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@@ -1,523 +1,523 b'' | |||||
1 | # -*- coding: utf-8 -*- |
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1 | # -*- coding: utf-8 -*- | |
2 | """ |
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2 | """ | |
3 | Pdb debugger class. |
|
3 | Pdb debugger class. | |
4 |
|
4 | |||
5 | Modified from the standard pdb.Pdb class to avoid including readline, so that |
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5 | Modified from the standard pdb.Pdb class to avoid including readline, so that | |
6 | the command line completion of other programs which include this isn't |
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6 | the command line completion of other programs which include this isn't | |
7 | damaged. |
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7 | damaged. | |
8 |
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8 | |||
9 | In the future, this class will be expanded with improvements over the standard |
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9 | In the future, this class will be expanded with improvements over the standard | |
10 | pdb. |
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10 | pdb. | |
11 |
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11 | |||
12 | The code in this file is mainly lifted out of cmd.py in Python 2.2, with minor |
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12 | The code in this file is mainly lifted out of cmd.py in Python 2.2, with minor | |
13 | changes. Licensing should therefore be under the standard Python terms. For |
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13 | changes. Licensing should therefore be under the standard Python terms. For | |
14 | details on the PSF (Python Software Foundation) standard license, see: |
|
14 | details on the PSF (Python Software Foundation) standard license, see: | |
15 |
|
15 | |||
16 | http://www.python.org/2.2.3/license.html""" |
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16 | http://www.python.org/2.2.3/license.html""" | |
17 |
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17 | |||
18 | #***************************************************************************** |
|
18 | #***************************************************************************** | |
19 | # |
|
19 | # | |
20 | # This file is licensed under the PSF license. |
|
20 | # This file is licensed under the PSF license. | |
21 | # |
|
21 | # | |
22 | # Copyright (C) 2001 Python Software Foundation, www.python.org |
|
22 | # Copyright (C) 2001 Python Software Foundation, www.python.org | |
23 | # Copyright (C) 2005-2006 Fernando Perez. <fperez@colorado.edu> |
|
23 | # Copyright (C) 2005-2006 Fernando Perez. <fperez@colorado.edu> | |
24 | # |
|
24 | # | |
25 | # |
|
25 | # | |
26 | #***************************************************************************** |
|
26 | #***************************************************************************** | |
27 |
|
27 | |||
28 | import bdb |
|
28 | import bdb | |
29 | import cmd |
|
29 | import cmd | |
30 | import linecache |
|
30 | import linecache | |
31 | import os |
|
31 | import os | |
32 | import sys |
|
32 | import sys | |
33 |
|
33 | |||
34 | from IPython import PyColorize, ipapi |
|
34 | from IPython import PyColorize, ipapi | |
35 | from IPython.utils import coloransi |
|
35 | from IPython.utils import coloransi | |
36 | from IPython.genutils import Term |
|
36 | from IPython.genutils import Term | |
37 | from IPython.excolors import exception_colors |
|
37 | from IPython.core.excolors import exception_colors | |
38 |
|
38 | |||
39 | # See if we can use pydb. |
|
39 | # See if we can use pydb. | |
40 | has_pydb = False |
|
40 | has_pydb = False | |
41 | prompt = 'ipdb> ' |
|
41 | prompt = 'ipdb> ' | |
42 | #We have to check this directly from sys.argv, config struct not yet available |
|
42 | #We have to check this directly from sys.argv, config struct not yet available | |
43 | if '-pydb' in sys.argv: |
|
43 | if '-pydb' in sys.argv: | |
44 | try: |
|
44 | try: | |
45 | import pydb |
|
45 | import pydb | |
46 | if hasattr(pydb.pydb, "runl") and pydb.version>'1.17': |
|
46 | if hasattr(pydb.pydb, "runl") and pydb.version>'1.17': | |
47 | # Version 1.17 is broken, and that's what ships with Ubuntu Edgy, so we |
|
47 | # Version 1.17 is broken, and that's what ships with Ubuntu Edgy, so we | |
48 | # better protect against it. |
|
48 | # better protect against it. | |
49 | has_pydb = True |
|
49 | has_pydb = True | |
50 | except ImportError: |
|
50 | except ImportError: | |
51 | print "Pydb (http://bashdb.sourceforge.net/pydb/) does not seem to be available" |
|
51 | print "Pydb (http://bashdb.sourceforge.net/pydb/) does not seem to be available" | |
52 |
|
52 | |||
53 | if has_pydb: |
|
53 | if has_pydb: | |
54 | from pydb import Pdb as OldPdb |
|
54 | from pydb import Pdb as OldPdb | |
55 | #print "Using pydb for %run -d and post-mortem" #dbg |
|
55 | #print "Using pydb for %run -d and post-mortem" #dbg | |
56 | prompt = 'ipydb> ' |
|
56 | prompt = 'ipydb> ' | |
57 | else: |
|
57 | else: | |
58 | from pdb import Pdb as OldPdb |
|
58 | from pdb import Pdb as OldPdb | |
59 |
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59 | |||
60 | # Allow the set_trace code to operate outside of an ipython instance, even if |
|
60 | # Allow the set_trace code to operate outside of an ipython instance, even if | |
61 | # it does so with some limitations. The rest of this support is implemented in |
|
61 | # it does so with some limitations. The rest of this support is implemented in | |
62 | # the Tracer constructor. |
|
62 | # the Tracer constructor. | |
63 | def BdbQuit_excepthook(et,ev,tb): |
|
63 | def BdbQuit_excepthook(et,ev,tb): | |
64 | if et==bdb.BdbQuit: |
|
64 | if et==bdb.BdbQuit: | |
65 | print 'Exiting Debugger.' |
|
65 | print 'Exiting Debugger.' | |
66 | else: |
|
66 | else: | |
67 | BdbQuit_excepthook.excepthook_ori(et,ev,tb) |
|
67 | BdbQuit_excepthook.excepthook_ori(et,ev,tb) | |
68 |
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68 | |||
69 | def BdbQuit_IPython_excepthook(self,et,ev,tb): |
|
69 | def BdbQuit_IPython_excepthook(self,et,ev,tb): | |
70 | print 'Exiting Debugger.' |
|
70 | print 'Exiting Debugger.' | |
71 |
|
71 | |||
72 | class Tracer(object): |
|
72 | class Tracer(object): | |
73 | """Class for local debugging, similar to pdb.set_trace. |
|
73 | """Class for local debugging, similar to pdb.set_trace. | |
74 |
|
74 | |||
75 | Instances of this class, when called, behave like pdb.set_trace, but |
|
75 | Instances of this class, when called, behave like pdb.set_trace, but | |
76 | providing IPython's enhanced capabilities. |
|
76 | providing IPython's enhanced capabilities. | |
77 |
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77 | |||
78 | This is implemented as a class which must be initialized in your own code |
|
78 | This is implemented as a class which must be initialized in your own code | |
79 | and not as a standalone function because we need to detect at runtime |
|
79 | and not as a standalone function because we need to detect at runtime | |
80 | whether IPython is already active or not. That detection is done in the |
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80 | whether IPython is already active or not. That detection is done in the | |
81 | constructor, ensuring that this code plays nicely with a running IPython, |
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81 | constructor, ensuring that this code plays nicely with a running IPython, | |
82 | while functioning acceptably (though with limitations) if outside of it. |
|
82 | while functioning acceptably (though with limitations) if outside of it. | |
83 | """ |
|
83 | """ | |
84 |
|
84 | |||
85 | def __init__(self,colors=None): |
|
85 | def __init__(self,colors=None): | |
86 | """Create a local debugger instance. |
|
86 | """Create a local debugger instance. | |
87 |
|
87 | |||
88 | :Parameters: |
|
88 | :Parameters: | |
89 |
|
89 | |||
90 | - `colors` (None): a string containing the name of the color scheme to |
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90 | - `colors` (None): a string containing the name of the color scheme to | |
91 | use, it must be one of IPython's valid color schemes. If not given, the |
|
91 | use, it must be one of IPython's valid color schemes. If not given, the | |
92 | function will default to the current IPython scheme when running inside |
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92 | function will default to the current IPython scheme when running inside | |
93 | IPython, and to 'NoColor' otherwise. |
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93 | IPython, and to 'NoColor' otherwise. | |
94 |
|
94 | |||
95 | Usage example: |
|
95 | Usage example: | |
96 |
|
96 | |||
97 | from IPython.core.debugger import Tracer; debug_here = Tracer() |
|
97 | from IPython.core.debugger import Tracer; debug_here = Tracer() | |
98 |
|
98 | |||
99 | ... later in your code |
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99 | ... later in your code | |
100 | debug_here() # -> will open up the debugger at that point. |
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100 | debug_here() # -> will open up the debugger at that point. | |
101 |
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101 | |||
102 | Once the debugger activates, you can use all of its regular commands to |
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102 | Once the debugger activates, you can use all of its regular commands to | |
103 | step through code, set breakpoints, etc. See the pdb documentation |
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103 | step through code, set breakpoints, etc. See the pdb documentation | |
104 | from the Python standard library for usage details. |
|
104 | from the Python standard library for usage details. | |
105 | """ |
|
105 | """ | |
106 |
|
106 | |||
107 | global __IPYTHON__ |
|
107 | global __IPYTHON__ | |
108 | try: |
|
108 | try: | |
109 | __IPYTHON__ |
|
109 | __IPYTHON__ | |
110 | except NameError: |
|
110 | except NameError: | |
111 | # Outside of ipython, we set our own exception hook manually |
|
111 | # Outside of ipython, we set our own exception hook manually | |
112 | __IPYTHON__ = ipapi.get(True,False) |
|
112 | __IPYTHON__ = ipapi.get(True,False) | |
113 | BdbQuit_excepthook.excepthook_ori = sys.excepthook |
|
113 | BdbQuit_excepthook.excepthook_ori = sys.excepthook | |
114 | sys.excepthook = BdbQuit_excepthook |
|
114 | sys.excepthook = BdbQuit_excepthook | |
115 | def_colors = 'NoColor' |
|
115 | def_colors = 'NoColor' | |
116 | try: |
|
116 | try: | |
117 | # Limited tab completion support |
|
117 | # Limited tab completion support | |
118 | import readline |
|
118 | import readline | |
119 | readline.parse_and_bind('tab: complete') |
|
119 | readline.parse_and_bind('tab: complete') | |
120 | except ImportError: |
|
120 | except ImportError: | |
121 | pass |
|
121 | pass | |
122 | else: |
|
122 | else: | |
123 | # In ipython, we use its custom exception handler mechanism |
|
123 | # In ipython, we use its custom exception handler mechanism | |
124 | ip = ipapi.get() |
|
124 | ip = ipapi.get() | |
125 | def_colors = ip.options.colors |
|
125 | def_colors = ip.options.colors | |
126 | ip.set_custom_exc((bdb.BdbQuit,),BdbQuit_IPython_excepthook) |
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126 | ip.set_custom_exc((bdb.BdbQuit,),BdbQuit_IPython_excepthook) | |
127 |
|
127 | |||
128 | if colors is None: |
|
128 | if colors is None: | |
129 | colors = def_colors |
|
129 | colors = def_colors | |
130 | self.debugger = Pdb(colors) |
|
130 | self.debugger = Pdb(colors) | |
131 |
|
131 | |||
132 | def __call__(self): |
|
132 | def __call__(self): | |
133 | """Starts an interactive debugger at the point where called. |
|
133 | """Starts an interactive debugger at the point where called. | |
134 |
|
134 | |||
135 | This is similar to the pdb.set_trace() function from the std lib, but |
|
135 | This is similar to the pdb.set_trace() function from the std lib, but | |
136 | using IPython's enhanced debugger.""" |
|
136 | using IPython's enhanced debugger.""" | |
137 |
|
137 | |||
138 | self.debugger.set_trace(sys._getframe().f_back) |
|
138 | self.debugger.set_trace(sys._getframe().f_back) | |
139 |
|
139 | |||
140 | def decorate_fn_with_doc(new_fn, old_fn, additional_text=""): |
|
140 | def decorate_fn_with_doc(new_fn, old_fn, additional_text=""): | |
141 | """Make new_fn have old_fn's doc string. This is particularly useful |
|
141 | """Make new_fn have old_fn's doc string. This is particularly useful | |
142 | for the do_... commands that hook into the help system. |
|
142 | for the do_... commands that hook into the help system. | |
143 | Adapted from from a comp.lang.python posting |
|
143 | Adapted from from a comp.lang.python posting | |
144 | by Duncan Booth.""" |
|
144 | by Duncan Booth.""" | |
145 | def wrapper(*args, **kw): |
|
145 | def wrapper(*args, **kw): | |
146 | return new_fn(*args, **kw) |
|
146 | return new_fn(*args, **kw) | |
147 | if old_fn.__doc__: |
|
147 | if old_fn.__doc__: | |
148 | wrapper.__doc__ = old_fn.__doc__ + additional_text |
|
148 | wrapper.__doc__ = old_fn.__doc__ + additional_text | |
149 | return wrapper |
|
149 | return wrapper | |
150 |
|
150 | |||
151 | def _file_lines(fname): |
|
151 | def _file_lines(fname): | |
152 | """Return the contents of a named file as a list of lines. |
|
152 | """Return the contents of a named file as a list of lines. | |
153 |
|
153 | |||
154 | This function never raises an IOError exception: if the file can't be |
|
154 | This function never raises an IOError exception: if the file can't be | |
155 | read, it simply returns an empty list.""" |
|
155 | read, it simply returns an empty list.""" | |
156 |
|
156 | |||
157 | try: |
|
157 | try: | |
158 | outfile = open(fname) |
|
158 | outfile = open(fname) | |
159 | except IOError: |
|
159 | except IOError: | |
160 | return [] |
|
160 | return [] | |
161 | else: |
|
161 | else: | |
162 | out = outfile.readlines() |
|
162 | out = outfile.readlines() | |
163 | outfile.close() |
|
163 | outfile.close() | |
164 | return out |
|
164 | return out | |
165 |
|
165 | |||
166 | class Pdb(OldPdb): |
|
166 | class Pdb(OldPdb): | |
167 | """Modified Pdb class, does not load readline.""" |
|
167 | """Modified Pdb class, does not load readline.""" | |
168 |
|
168 | |||
169 | if sys.version[:3] >= '2.5' or has_pydb: |
|
169 | if sys.version[:3] >= '2.5' or has_pydb: | |
170 | def __init__(self,color_scheme='NoColor',completekey=None, |
|
170 | def __init__(self,color_scheme='NoColor',completekey=None, | |
171 | stdin=None, stdout=None): |
|
171 | stdin=None, stdout=None): | |
172 |
|
172 | |||
173 | # Parent constructor: |
|
173 | # Parent constructor: | |
174 | if has_pydb and completekey is None: |
|
174 | if has_pydb and completekey is None: | |
175 | OldPdb.__init__(self,stdin=stdin,stdout=Term.cout) |
|
175 | OldPdb.__init__(self,stdin=stdin,stdout=Term.cout) | |
176 | else: |
|
176 | else: | |
177 | OldPdb.__init__(self,completekey,stdin,stdout) |
|
177 | OldPdb.__init__(self,completekey,stdin,stdout) | |
178 |
|
178 | |||
179 | self.prompt = prompt # The default prompt is '(Pdb)' |
|
179 | self.prompt = prompt # The default prompt is '(Pdb)' | |
180 |
|
180 | |||
181 | # IPython changes... |
|
181 | # IPython changes... | |
182 | self.is_pydb = has_pydb |
|
182 | self.is_pydb = has_pydb | |
183 |
|
183 | |||
184 | if self.is_pydb: |
|
184 | if self.is_pydb: | |
185 |
|
185 | |||
186 | # iplib.py's ipalias seems to want pdb's checkline |
|
186 | # iplib.py's ipalias seems to want pdb's checkline | |
187 | # which located in pydb.fn |
|
187 | # which located in pydb.fn | |
188 | import pydb.fns |
|
188 | import pydb.fns | |
189 | self.checkline = lambda filename, lineno: \ |
|
189 | self.checkline = lambda filename, lineno: \ | |
190 | pydb.fns.checkline(self, filename, lineno) |
|
190 | pydb.fns.checkline(self, filename, lineno) | |
191 |
|
191 | |||
192 | self.curframe = None |
|
192 | self.curframe = None | |
193 | self.do_restart = self.new_do_restart |
|
193 | self.do_restart = self.new_do_restart | |
194 |
|
194 | |||
195 | self.old_all_completions = __IPYTHON__.Completer.all_completions |
|
195 | self.old_all_completions = __IPYTHON__.Completer.all_completions | |
196 | __IPYTHON__.Completer.all_completions=self.all_completions |
|
196 | __IPYTHON__.Completer.all_completions=self.all_completions | |
197 |
|
197 | |||
198 | self.do_list = decorate_fn_with_doc(self.list_command_pydb, |
|
198 | self.do_list = decorate_fn_with_doc(self.list_command_pydb, | |
199 | OldPdb.do_list) |
|
199 | OldPdb.do_list) | |
200 | self.do_l = self.do_list |
|
200 | self.do_l = self.do_list | |
201 | self.do_frame = decorate_fn_with_doc(self.new_do_frame, |
|
201 | self.do_frame = decorate_fn_with_doc(self.new_do_frame, | |
202 | OldPdb.do_frame) |
|
202 | OldPdb.do_frame) | |
203 |
|
203 | |||
204 | self.aliases = {} |
|
204 | self.aliases = {} | |
205 |
|
205 | |||
206 | # Create color table: we copy the default one from the traceback |
|
206 | # Create color table: we copy the default one from the traceback | |
207 | # module and add a few attributes needed for debugging |
|
207 | # module and add a few attributes needed for debugging | |
208 | self.color_scheme_table = exception_colors() |
|
208 | self.color_scheme_table = exception_colors() | |
209 |
|
209 | |||
210 | # shorthands |
|
210 | # shorthands | |
211 | C = coloransi.TermColors |
|
211 | C = coloransi.TermColors | |
212 | cst = self.color_scheme_table |
|
212 | cst = self.color_scheme_table | |
213 |
|
213 | |||
214 | cst['NoColor'].colors.breakpoint_enabled = C.NoColor |
|
214 | cst['NoColor'].colors.breakpoint_enabled = C.NoColor | |
215 | cst['NoColor'].colors.breakpoint_disabled = C.NoColor |
|
215 | cst['NoColor'].colors.breakpoint_disabled = C.NoColor | |
216 |
|
216 | |||
217 | cst['Linux'].colors.breakpoint_enabled = C.LightRed |
|
217 | cst['Linux'].colors.breakpoint_enabled = C.LightRed | |
218 | cst['Linux'].colors.breakpoint_disabled = C.Red |
|
218 | cst['Linux'].colors.breakpoint_disabled = C.Red | |
219 |
|
219 | |||
220 | cst['LightBG'].colors.breakpoint_enabled = C.LightRed |
|
220 | cst['LightBG'].colors.breakpoint_enabled = C.LightRed | |
221 | cst['LightBG'].colors.breakpoint_disabled = C.Red |
|
221 | cst['LightBG'].colors.breakpoint_disabled = C.Red | |
222 |
|
222 | |||
223 | self.set_colors(color_scheme) |
|
223 | self.set_colors(color_scheme) | |
224 |
|
224 | |||
225 | # Add a python parser so we can syntax highlight source while |
|
225 | # Add a python parser so we can syntax highlight source while | |
226 | # debugging. |
|
226 | # debugging. | |
227 | self.parser = PyColorize.Parser() |
|
227 | self.parser = PyColorize.Parser() | |
228 |
|
228 | |||
229 |
|
229 | |||
230 | else: |
|
230 | else: | |
231 | # Ugly hack: for Python 2.3-2.4, we can't call the parent constructor, |
|
231 | # Ugly hack: for Python 2.3-2.4, we can't call the parent constructor, | |
232 | # because it binds readline and breaks tab-completion. This means we |
|
232 | # because it binds readline and breaks tab-completion. This means we | |
233 | # have to COPY the constructor here. |
|
233 | # have to COPY the constructor here. | |
234 | def __init__(self,color_scheme='NoColor'): |
|
234 | def __init__(self,color_scheme='NoColor'): | |
235 | bdb.Bdb.__init__(self) |
|
235 | bdb.Bdb.__init__(self) | |
236 | cmd.Cmd.__init__(self,completekey=None) # don't load readline |
|
236 | cmd.Cmd.__init__(self,completekey=None) # don't load readline | |
237 | self.prompt = 'ipdb> ' # The default prompt is '(Pdb)' |
|
237 | self.prompt = 'ipdb> ' # The default prompt is '(Pdb)' | |
238 | self.aliases = {} |
|
238 | self.aliases = {} | |
239 |
|
239 | |||
240 | # These two lines are part of the py2.4 constructor, let's put them |
|
240 | # These two lines are part of the py2.4 constructor, let's put them | |
241 | # unconditionally here as they won't cause any problems in 2.3. |
|
241 | # unconditionally here as they won't cause any problems in 2.3. | |
242 | self.mainpyfile = '' |
|
242 | self.mainpyfile = '' | |
243 | self._wait_for_mainpyfile = 0 |
|
243 | self._wait_for_mainpyfile = 0 | |
244 |
|
244 | |||
245 | # Read $HOME/.pdbrc and ./.pdbrc |
|
245 | # Read $HOME/.pdbrc and ./.pdbrc | |
246 | try: |
|
246 | try: | |
247 | self.rcLines = _file_lines(os.path.join(os.environ['HOME'], |
|
247 | self.rcLines = _file_lines(os.path.join(os.environ['HOME'], | |
248 | ".pdbrc")) |
|
248 | ".pdbrc")) | |
249 | except KeyError: |
|
249 | except KeyError: | |
250 | self.rcLines = [] |
|
250 | self.rcLines = [] | |
251 | self.rcLines.extend(_file_lines(".pdbrc")) |
|
251 | self.rcLines.extend(_file_lines(".pdbrc")) | |
252 |
|
252 | |||
253 | # Create color table: we copy the default one from the traceback |
|
253 | # Create color table: we copy the default one from the traceback | |
254 | # module and add a few attributes needed for debugging |
|
254 | # module and add a few attributes needed for debugging | |
255 | self.color_scheme_table = exception_colors() |
|
255 | self.color_scheme_table = exception_colors() | |
256 |
|
256 | |||
257 | # shorthands |
|
257 | # shorthands | |
258 | C = coloransi.TermColors |
|
258 | C = coloransi.TermColors | |
259 | cst = self.color_scheme_table |
|
259 | cst = self.color_scheme_table | |
260 |
|
260 | |||
261 | cst['NoColor'].colors.breakpoint_enabled = C.NoColor |
|
261 | cst['NoColor'].colors.breakpoint_enabled = C.NoColor | |
262 | cst['NoColor'].colors.breakpoint_disabled = C.NoColor |
|
262 | cst['NoColor'].colors.breakpoint_disabled = C.NoColor | |
263 |
|
263 | |||
264 | cst['Linux'].colors.breakpoint_enabled = C.LightRed |
|
264 | cst['Linux'].colors.breakpoint_enabled = C.LightRed | |
265 | cst['Linux'].colors.breakpoint_disabled = C.Red |
|
265 | cst['Linux'].colors.breakpoint_disabled = C.Red | |
266 |
|
266 | |||
267 | cst['LightBG'].colors.breakpoint_enabled = C.LightRed |
|
267 | cst['LightBG'].colors.breakpoint_enabled = C.LightRed | |
268 | cst['LightBG'].colors.breakpoint_disabled = C.Red |
|
268 | cst['LightBG'].colors.breakpoint_disabled = C.Red | |
269 |
|
269 | |||
270 | self.set_colors(color_scheme) |
|
270 | self.set_colors(color_scheme) | |
271 |
|
271 | |||
272 | # Add a python parser so we can syntax highlight source while |
|
272 | # Add a python parser so we can syntax highlight source while | |
273 | # debugging. |
|
273 | # debugging. | |
274 | self.parser = PyColorize.Parser() |
|
274 | self.parser = PyColorize.Parser() | |
275 |
|
275 | |||
276 | def set_colors(self, scheme): |
|
276 | def set_colors(self, scheme): | |
277 | """Shorthand access to the color table scheme selector method.""" |
|
277 | """Shorthand access to the color table scheme selector method.""" | |
278 | self.color_scheme_table.set_active_scheme(scheme) |
|
278 | self.color_scheme_table.set_active_scheme(scheme) | |
279 |
|
279 | |||
280 | def interaction(self, frame, traceback): |
|
280 | def interaction(self, frame, traceback): | |
281 | __IPYTHON__.set_completer_frame(frame) |
|
281 | __IPYTHON__.set_completer_frame(frame) | |
282 | OldPdb.interaction(self, frame, traceback) |
|
282 | OldPdb.interaction(self, frame, traceback) | |
283 |
|
283 | |||
284 | def new_do_up(self, arg): |
|
284 | def new_do_up(self, arg): | |
285 | OldPdb.do_up(self, arg) |
|
285 | OldPdb.do_up(self, arg) | |
286 | __IPYTHON__.set_completer_frame(self.curframe) |
|
286 | __IPYTHON__.set_completer_frame(self.curframe) | |
287 | do_u = do_up = decorate_fn_with_doc(new_do_up, OldPdb.do_up) |
|
287 | do_u = do_up = decorate_fn_with_doc(new_do_up, OldPdb.do_up) | |
288 |
|
288 | |||
289 | def new_do_down(self, arg): |
|
289 | def new_do_down(self, arg): | |
290 | OldPdb.do_down(self, arg) |
|
290 | OldPdb.do_down(self, arg) | |
291 | __IPYTHON__.set_completer_frame(self.curframe) |
|
291 | __IPYTHON__.set_completer_frame(self.curframe) | |
292 |
|
292 | |||
293 | do_d = do_down = decorate_fn_with_doc(new_do_down, OldPdb.do_down) |
|
293 | do_d = do_down = decorate_fn_with_doc(new_do_down, OldPdb.do_down) | |
294 |
|
294 | |||
295 | def new_do_frame(self, arg): |
|
295 | def new_do_frame(self, arg): | |
296 | OldPdb.do_frame(self, arg) |
|
296 | OldPdb.do_frame(self, arg) | |
297 | __IPYTHON__.set_completer_frame(self.curframe) |
|
297 | __IPYTHON__.set_completer_frame(self.curframe) | |
298 |
|
298 | |||
299 | def new_do_quit(self, arg): |
|
299 | def new_do_quit(self, arg): | |
300 |
|
300 | |||
301 | if hasattr(self, 'old_all_completions'): |
|
301 | if hasattr(self, 'old_all_completions'): | |
302 | __IPYTHON__.Completer.all_completions=self.old_all_completions |
|
302 | __IPYTHON__.Completer.all_completions=self.old_all_completions | |
303 |
|
303 | |||
304 |
|
304 | |||
305 | return OldPdb.do_quit(self, arg) |
|
305 | return OldPdb.do_quit(self, arg) | |
306 |
|
306 | |||
307 | do_q = do_quit = decorate_fn_with_doc(new_do_quit, OldPdb.do_quit) |
|
307 | do_q = do_quit = decorate_fn_with_doc(new_do_quit, OldPdb.do_quit) | |
308 |
|
308 | |||
309 | def new_do_restart(self, arg): |
|
309 | def new_do_restart(self, arg): | |
310 | """Restart command. In the context of ipython this is exactly the same |
|
310 | """Restart command. In the context of ipython this is exactly the same | |
311 | thing as 'quit'.""" |
|
311 | thing as 'quit'.""" | |
312 | self.msg("Restart doesn't make sense here. Using 'quit' instead.") |
|
312 | self.msg("Restart doesn't make sense here. Using 'quit' instead.") | |
313 | return self.do_quit(arg) |
|
313 | return self.do_quit(arg) | |
314 |
|
314 | |||
315 | def postloop(self): |
|
315 | def postloop(self): | |
316 | __IPYTHON__.set_completer_frame(None) |
|
316 | __IPYTHON__.set_completer_frame(None) | |
317 |
|
317 | |||
318 | def print_stack_trace(self): |
|
318 | def print_stack_trace(self): | |
319 | try: |
|
319 | try: | |
320 | for frame_lineno in self.stack: |
|
320 | for frame_lineno in self.stack: | |
321 | self.print_stack_entry(frame_lineno, context = 5) |
|
321 | self.print_stack_entry(frame_lineno, context = 5) | |
322 | except KeyboardInterrupt: |
|
322 | except KeyboardInterrupt: | |
323 | pass |
|
323 | pass | |
324 |
|
324 | |||
325 | def print_stack_entry(self,frame_lineno,prompt_prefix='\n-> ', |
|
325 | def print_stack_entry(self,frame_lineno,prompt_prefix='\n-> ', | |
326 | context = 3): |
|
326 | context = 3): | |
327 | #frame, lineno = frame_lineno |
|
327 | #frame, lineno = frame_lineno | |
328 | print >>Term.cout, self.format_stack_entry(frame_lineno, '', context) |
|
328 | print >>Term.cout, self.format_stack_entry(frame_lineno, '', context) | |
329 |
|
329 | |||
330 | # vds: >> |
|
330 | # vds: >> | |
331 | frame, lineno = frame_lineno |
|
331 | frame, lineno = frame_lineno | |
332 | filename = frame.f_code.co_filename |
|
332 | filename = frame.f_code.co_filename | |
333 | __IPYTHON__.hooks.synchronize_with_editor(filename, lineno, 0) |
|
333 | __IPYTHON__.hooks.synchronize_with_editor(filename, lineno, 0) | |
334 | # vds: << |
|
334 | # vds: << | |
335 |
|
335 | |||
336 | def format_stack_entry(self, frame_lineno, lprefix=': ', context = 3): |
|
336 | def format_stack_entry(self, frame_lineno, lprefix=': ', context = 3): | |
337 | import linecache, repr |
|
337 | import linecache, repr | |
338 |
|
338 | |||
339 | ret = [] |
|
339 | ret = [] | |
340 |
|
340 | |||
341 | Colors = self.color_scheme_table.active_colors |
|
341 | Colors = self.color_scheme_table.active_colors | |
342 | ColorsNormal = Colors.Normal |
|
342 | ColorsNormal = Colors.Normal | |
343 | tpl_link = '%s%%s%s' % (Colors.filenameEm, ColorsNormal) |
|
343 | tpl_link = '%s%%s%s' % (Colors.filenameEm, ColorsNormal) | |
344 | tpl_call = '%s%%s%s%%s%s' % (Colors.vName, Colors.valEm, ColorsNormal) |
|
344 | tpl_call = '%s%%s%s%%s%s' % (Colors.vName, Colors.valEm, ColorsNormal) | |
345 | tpl_line = '%%s%s%%s %s%%s' % (Colors.lineno, ColorsNormal) |
|
345 | tpl_line = '%%s%s%%s %s%%s' % (Colors.lineno, ColorsNormal) | |
346 | tpl_line_em = '%%s%s%%s %s%%s%s' % (Colors.linenoEm, Colors.line, |
|
346 | tpl_line_em = '%%s%s%%s %s%%s%s' % (Colors.linenoEm, Colors.line, | |
347 | ColorsNormal) |
|
347 | ColorsNormal) | |
348 |
|
348 | |||
349 | frame, lineno = frame_lineno |
|
349 | frame, lineno = frame_lineno | |
350 |
|
350 | |||
351 | return_value = '' |
|
351 | return_value = '' | |
352 | if '__return__' in frame.f_locals: |
|
352 | if '__return__' in frame.f_locals: | |
353 | rv = frame.f_locals['__return__'] |
|
353 | rv = frame.f_locals['__return__'] | |
354 | #return_value += '->' |
|
354 | #return_value += '->' | |
355 | return_value += repr.repr(rv) + '\n' |
|
355 | return_value += repr.repr(rv) + '\n' | |
356 | ret.append(return_value) |
|
356 | ret.append(return_value) | |
357 |
|
357 | |||
358 | #s = filename + '(' + `lineno` + ')' |
|
358 | #s = filename + '(' + `lineno` + ')' | |
359 | filename = self.canonic(frame.f_code.co_filename) |
|
359 | filename = self.canonic(frame.f_code.co_filename) | |
360 | link = tpl_link % filename |
|
360 | link = tpl_link % filename | |
361 |
|
361 | |||
362 | if frame.f_code.co_name: |
|
362 | if frame.f_code.co_name: | |
363 | func = frame.f_code.co_name |
|
363 | func = frame.f_code.co_name | |
364 | else: |
|
364 | else: | |
365 | func = "<lambda>" |
|
365 | func = "<lambda>" | |
366 |
|
366 | |||
367 | call = '' |
|
367 | call = '' | |
368 | if func != '?': |
|
368 | if func != '?': | |
369 | if '__args__' in frame.f_locals: |
|
369 | if '__args__' in frame.f_locals: | |
370 | args = repr.repr(frame.f_locals['__args__']) |
|
370 | args = repr.repr(frame.f_locals['__args__']) | |
371 | else: |
|
371 | else: | |
372 | args = '()' |
|
372 | args = '()' | |
373 | call = tpl_call % (func, args) |
|
373 | call = tpl_call % (func, args) | |
374 |
|
374 | |||
375 | # The level info should be generated in the same format pdb uses, to |
|
375 | # The level info should be generated in the same format pdb uses, to | |
376 | # avoid breaking the pdbtrack functionality of python-mode in *emacs. |
|
376 | # avoid breaking the pdbtrack functionality of python-mode in *emacs. | |
377 | if frame is self.curframe: |
|
377 | if frame is self.curframe: | |
378 | ret.append('> ') |
|
378 | ret.append('> ') | |
379 | else: |
|
379 | else: | |
380 | ret.append(' ') |
|
380 | ret.append(' ') | |
381 | ret.append('%s(%s)%s\n' % (link,lineno,call)) |
|
381 | ret.append('%s(%s)%s\n' % (link,lineno,call)) | |
382 |
|
382 | |||
383 | start = lineno - 1 - context//2 |
|
383 | start = lineno - 1 - context//2 | |
384 | lines = linecache.getlines(filename) |
|
384 | lines = linecache.getlines(filename) | |
385 | start = max(start, 0) |
|
385 | start = max(start, 0) | |
386 | start = min(start, len(lines) - context) |
|
386 | start = min(start, len(lines) - context) | |
387 | lines = lines[start : start + context] |
|
387 | lines = lines[start : start + context] | |
388 |
|
388 | |||
389 | for i,line in enumerate(lines): |
|
389 | for i,line in enumerate(lines): | |
390 | show_arrow = (start + 1 + i == lineno) |
|
390 | show_arrow = (start + 1 + i == lineno) | |
391 | linetpl = (frame is self.curframe or show_arrow) \ |
|
391 | linetpl = (frame is self.curframe or show_arrow) \ | |
392 | and tpl_line_em \ |
|
392 | and tpl_line_em \ | |
393 | or tpl_line |
|
393 | or tpl_line | |
394 | ret.append(self.__format_line(linetpl, filename, |
|
394 | ret.append(self.__format_line(linetpl, filename, | |
395 | start + 1 + i, line, |
|
395 | start + 1 + i, line, | |
396 | arrow = show_arrow) ) |
|
396 | arrow = show_arrow) ) | |
397 |
|
397 | |||
398 | return ''.join(ret) |
|
398 | return ''.join(ret) | |
399 |
|
399 | |||
400 | def __format_line(self, tpl_line, filename, lineno, line, arrow = False): |
|
400 | def __format_line(self, tpl_line, filename, lineno, line, arrow = False): | |
401 | bp_mark = "" |
|
401 | bp_mark = "" | |
402 | bp_mark_color = "" |
|
402 | bp_mark_color = "" | |
403 |
|
403 | |||
404 | scheme = self.color_scheme_table.active_scheme_name |
|
404 | scheme = self.color_scheme_table.active_scheme_name | |
405 | new_line, err = self.parser.format2(line, 'str', scheme) |
|
405 | new_line, err = self.parser.format2(line, 'str', scheme) | |
406 | if not err: line = new_line |
|
406 | if not err: line = new_line | |
407 |
|
407 | |||
408 | bp = None |
|
408 | bp = None | |
409 | if lineno in self.get_file_breaks(filename): |
|
409 | if lineno in self.get_file_breaks(filename): | |
410 | bps = self.get_breaks(filename, lineno) |
|
410 | bps = self.get_breaks(filename, lineno) | |
411 | bp = bps[-1] |
|
411 | bp = bps[-1] | |
412 |
|
412 | |||
413 | if bp: |
|
413 | if bp: | |
414 | Colors = self.color_scheme_table.active_colors |
|
414 | Colors = self.color_scheme_table.active_colors | |
415 | bp_mark = str(bp.number) |
|
415 | bp_mark = str(bp.number) | |
416 | bp_mark_color = Colors.breakpoint_enabled |
|
416 | bp_mark_color = Colors.breakpoint_enabled | |
417 | if not bp.enabled: |
|
417 | if not bp.enabled: | |
418 | bp_mark_color = Colors.breakpoint_disabled |
|
418 | bp_mark_color = Colors.breakpoint_disabled | |
419 |
|
419 | |||
420 | numbers_width = 7 |
|
420 | numbers_width = 7 | |
421 | if arrow: |
|
421 | if arrow: | |
422 | # This is the line with the error |
|
422 | # This is the line with the error | |
423 | pad = numbers_width - len(str(lineno)) - len(bp_mark) |
|
423 | pad = numbers_width - len(str(lineno)) - len(bp_mark) | |
424 | if pad >= 3: |
|
424 | if pad >= 3: | |
425 | marker = '-'*(pad-3) + '-> ' |
|
425 | marker = '-'*(pad-3) + '-> ' | |
426 | elif pad == 2: |
|
426 | elif pad == 2: | |
427 | marker = '> ' |
|
427 | marker = '> ' | |
428 | elif pad == 1: |
|
428 | elif pad == 1: | |
429 | marker = '>' |
|
429 | marker = '>' | |
430 | else: |
|
430 | else: | |
431 | marker = '' |
|
431 | marker = '' | |
432 | num = '%s%s' % (marker, str(lineno)) |
|
432 | num = '%s%s' % (marker, str(lineno)) | |
433 | line = tpl_line % (bp_mark_color + bp_mark, num, line) |
|
433 | line = tpl_line % (bp_mark_color + bp_mark, num, line) | |
434 | else: |
|
434 | else: | |
435 | num = '%*s' % (numbers_width - len(bp_mark), str(lineno)) |
|
435 | num = '%*s' % (numbers_width - len(bp_mark), str(lineno)) | |
436 | line = tpl_line % (bp_mark_color + bp_mark, num, line) |
|
436 | line = tpl_line % (bp_mark_color + bp_mark, num, line) | |
437 |
|
437 | |||
438 | return line |
|
438 | return line | |
439 |
|
439 | |||
440 | def list_command_pydb(self, arg): |
|
440 | def list_command_pydb(self, arg): | |
441 | """List command to use if we have a newer pydb installed""" |
|
441 | """List command to use if we have a newer pydb installed""" | |
442 | filename, first, last = OldPdb.parse_list_cmd(self, arg) |
|
442 | filename, first, last = OldPdb.parse_list_cmd(self, arg) | |
443 | if filename is not None: |
|
443 | if filename is not None: | |
444 | self.print_list_lines(filename, first, last) |
|
444 | self.print_list_lines(filename, first, last) | |
445 |
|
445 | |||
446 | def print_list_lines(self, filename, first, last): |
|
446 | def print_list_lines(self, filename, first, last): | |
447 | """The printing (as opposed to the parsing part of a 'list' |
|
447 | """The printing (as opposed to the parsing part of a 'list' | |
448 | command.""" |
|
448 | command.""" | |
449 | try: |
|
449 | try: | |
450 | Colors = self.color_scheme_table.active_colors |
|
450 | Colors = self.color_scheme_table.active_colors | |
451 | ColorsNormal = Colors.Normal |
|
451 | ColorsNormal = Colors.Normal | |
452 | tpl_line = '%%s%s%%s %s%%s' % (Colors.lineno, ColorsNormal) |
|
452 | tpl_line = '%%s%s%%s %s%%s' % (Colors.lineno, ColorsNormal) | |
453 | tpl_line_em = '%%s%s%%s %s%%s%s' % (Colors.linenoEm, Colors.line, ColorsNormal) |
|
453 | tpl_line_em = '%%s%s%%s %s%%s%s' % (Colors.linenoEm, Colors.line, ColorsNormal) | |
454 | src = [] |
|
454 | src = [] | |
455 | for lineno in range(first, last+1): |
|
455 | for lineno in range(first, last+1): | |
456 | line = linecache.getline(filename, lineno) |
|
456 | line = linecache.getline(filename, lineno) | |
457 | if not line: |
|
457 | if not line: | |
458 | break |
|
458 | break | |
459 |
|
459 | |||
460 | if lineno == self.curframe.f_lineno: |
|
460 | if lineno == self.curframe.f_lineno: | |
461 | line = self.__format_line(tpl_line_em, filename, lineno, line, arrow = True) |
|
461 | line = self.__format_line(tpl_line_em, filename, lineno, line, arrow = True) | |
462 | else: |
|
462 | else: | |
463 | line = self.__format_line(tpl_line, filename, lineno, line, arrow = False) |
|
463 | line = self.__format_line(tpl_line, filename, lineno, line, arrow = False) | |
464 |
|
464 | |||
465 | src.append(line) |
|
465 | src.append(line) | |
466 | self.lineno = lineno |
|
466 | self.lineno = lineno | |
467 |
|
467 | |||
468 | print >>Term.cout, ''.join(src) |
|
468 | print >>Term.cout, ''.join(src) | |
469 |
|
469 | |||
470 | except KeyboardInterrupt: |
|
470 | except KeyboardInterrupt: | |
471 | pass |
|
471 | pass | |
472 |
|
472 | |||
473 | def do_list(self, arg): |
|
473 | def do_list(self, arg): | |
474 | self.lastcmd = 'list' |
|
474 | self.lastcmd = 'list' | |
475 | last = None |
|
475 | last = None | |
476 | if arg: |
|
476 | if arg: | |
477 | try: |
|
477 | try: | |
478 | x = eval(arg, {}, {}) |
|
478 | x = eval(arg, {}, {}) | |
479 | if type(x) == type(()): |
|
479 | if type(x) == type(()): | |
480 | first, last = x |
|
480 | first, last = x | |
481 | first = int(first) |
|
481 | first = int(first) | |
482 | last = int(last) |
|
482 | last = int(last) | |
483 | if last < first: |
|
483 | if last < first: | |
484 | # Assume it's a count |
|
484 | # Assume it's a count | |
485 | last = first + last |
|
485 | last = first + last | |
486 | else: |
|
486 | else: | |
487 | first = max(1, int(x) - 5) |
|
487 | first = max(1, int(x) - 5) | |
488 | except: |
|
488 | except: | |
489 | print '*** Error in argument:', `arg` |
|
489 | print '*** Error in argument:', `arg` | |
490 | return |
|
490 | return | |
491 | elif self.lineno is None: |
|
491 | elif self.lineno is None: | |
492 | first = max(1, self.curframe.f_lineno - 5) |
|
492 | first = max(1, self.curframe.f_lineno - 5) | |
493 | else: |
|
493 | else: | |
494 | first = self.lineno + 1 |
|
494 | first = self.lineno + 1 | |
495 | if last is None: |
|
495 | if last is None: | |
496 | last = first + 10 |
|
496 | last = first + 10 | |
497 | self.print_list_lines(self.curframe.f_code.co_filename, first, last) |
|
497 | self.print_list_lines(self.curframe.f_code.co_filename, first, last) | |
498 |
|
498 | |||
499 | # vds: >> |
|
499 | # vds: >> | |
500 | lineno = first |
|
500 | lineno = first | |
501 | filename = self.curframe.f_code.co_filename |
|
501 | filename = self.curframe.f_code.co_filename | |
502 | __IPYTHON__.hooks.synchronize_with_editor(filename, lineno, 0) |
|
502 | __IPYTHON__.hooks.synchronize_with_editor(filename, lineno, 0) | |
503 | # vds: << |
|
503 | # vds: << | |
504 |
|
504 | |||
505 | do_l = do_list |
|
505 | do_l = do_list | |
506 |
|
506 | |||
507 | def do_pdef(self, arg): |
|
507 | def do_pdef(self, arg): | |
508 | """The debugger interface to magic_pdef""" |
|
508 | """The debugger interface to magic_pdef""" | |
509 | namespaces = [('Locals', self.curframe.f_locals), |
|
509 | namespaces = [('Locals', self.curframe.f_locals), | |
510 | ('Globals', self.curframe.f_globals)] |
|
510 | ('Globals', self.curframe.f_globals)] | |
511 | __IPYTHON__.magic_pdef(arg, namespaces=namespaces) |
|
511 | __IPYTHON__.magic_pdef(arg, namespaces=namespaces) | |
512 |
|
512 | |||
513 | def do_pdoc(self, arg): |
|
513 | def do_pdoc(self, arg): | |
514 | """The debugger interface to magic_pdoc""" |
|
514 | """The debugger interface to magic_pdoc""" | |
515 | namespaces = [('Locals', self.curframe.f_locals), |
|
515 | namespaces = [('Locals', self.curframe.f_locals), | |
516 | ('Globals', self.curframe.f_globals)] |
|
516 | ('Globals', self.curframe.f_globals)] | |
517 | __IPYTHON__.magic_pdoc(arg, namespaces=namespaces) |
|
517 | __IPYTHON__.magic_pdoc(arg, namespaces=namespaces) | |
518 |
|
518 | |||
519 | def do_pinfo(self, arg): |
|
519 | def do_pinfo(self, arg): | |
520 | """The debugger equivalant of ?obj""" |
|
520 | """The debugger equivalant of ?obj""" | |
521 | namespaces = [('Locals', self.curframe.f_locals), |
|
521 | namespaces = [('Locals', self.curframe.f_locals), | |
522 | ('Globals', self.curframe.f_globals)] |
|
522 | ('Globals', self.curframe.f_globals)] | |
523 | __IPYTHON__.magic_pinfo("pinfo %s" % arg, namespaces=namespaces) |
|
523 | __IPYTHON__.magic_pinfo("pinfo %s" % arg, namespaces=namespaces) |
1 | NO CONTENT: file renamed from IPython/excolors.py to IPython/core/excolors.py |
|
NO CONTENT: file renamed from IPython/excolors.py to IPython/core/excolors.py |
@@ -1,15 +1,18 b'' | |||||
1 | #!/usr/bin/env python |
|
1 | #!/usr/bin/env python | |
2 | # encoding: utf-8 |
|
2 | # encoding: utf-8 | |
3 |
|
3 | |||
4 | def test_import_completer(): |
|
4 | def test_import_completer(): | |
5 | from IPython.core import completer |
|
5 | from IPython.core import completer | |
6 |
|
6 | |||
7 | def test_import_crashhandler(): |
|
7 | def test_import_crashhandler(): | |
8 | from IPython.core import crashhandler |
|
8 | from IPython.core import crashhandler | |
9 |
|
9 | |||
10 | def test_import_debugger(): |
|
10 | def test_import_debugger(): | |
11 | from IPython.core import debugger |
|
11 | from IPython.core import debugger | |
12 |
|
12 | |||
13 | def test_import_fakemodule(): |
|
13 | def test_import_fakemodule(): | |
14 | from IPython.core import fakemodule |
|
14 | from IPython.core import fakemodule | |
15 |
|
15 | |||
|
16 | def test_import_excolors(): | |||
|
17 | from IPython.core import excolors | |||
|
18 |
@@ -1,1067 +1,1067 b'' | |||||
1 | # -*- coding: utf-8 -*- |
|
1 | # -*- coding: utf-8 -*- | |
2 | """ |
|
2 | """ | |
3 | ultraTB.py -- Spice up your tracebacks! |
|
3 | ultraTB.py -- Spice up your tracebacks! | |
4 |
|
4 | |||
5 | * ColorTB |
|
5 | * ColorTB | |
6 | I've always found it a bit hard to visually parse tracebacks in Python. The |
|
6 | I've always found it a bit hard to visually parse tracebacks in Python. The | |
7 | ColorTB class is a solution to that problem. It colors the different parts of a |
|
7 | ColorTB class is a solution to that problem. It colors the different parts of a | |
8 | traceback in a manner similar to what you would expect from a syntax-highlighting |
|
8 | traceback in a manner similar to what you would expect from a syntax-highlighting | |
9 | text editor. |
|
9 | text editor. | |
10 |
|
10 | |||
11 | Installation instructions for ColorTB: |
|
11 | Installation instructions for ColorTB: | |
12 | import sys,ultraTB |
|
12 | import sys,ultraTB | |
13 | sys.excepthook = ultraTB.ColorTB() |
|
13 | sys.excepthook = ultraTB.ColorTB() | |
14 |
|
14 | |||
15 | * VerboseTB |
|
15 | * VerboseTB | |
16 | I've also included a port of Ka-Ping Yee's "cgitb.py" that produces all kinds |
|
16 | I've also included a port of Ka-Ping Yee's "cgitb.py" that produces all kinds | |
17 | of useful info when a traceback occurs. Ping originally had it spit out HTML |
|
17 | of useful info when a traceback occurs. Ping originally had it spit out HTML | |
18 | and intended it for CGI programmers, but why should they have all the fun? I |
|
18 | and intended it for CGI programmers, but why should they have all the fun? I | |
19 | altered it to spit out colored text to the terminal. It's a bit overwhelming, |
|
19 | altered it to spit out colored text to the terminal. It's a bit overwhelming, | |
20 | but kind of neat, and maybe useful for long-running programs that you believe |
|
20 | but kind of neat, and maybe useful for long-running programs that you believe | |
21 | are bug-free. If a crash *does* occur in that type of program you want details. |
|
21 | are bug-free. If a crash *does* occur in that type of program you want details. | |
22 | Give it a shot--you'll love it or you'll hate it. |
|
22 | Give it a shot--you'll love it or you'll hate it. | |
23 |
|
23 | |||
24 | Note: |
|
24 | Note: | |
25 |
|
25 | |||
26 | The Verbose mode prints the variables currently visible where the exception |
|
26 | The Verbose mode prints the variables currently visible where the exception | |
27 | happened (shortening their strings if too long). This can potentially be |
|
27 | happened (shortening their strings if too long). This can potentially be | |
28 | very slow, if you happen to have a huge data structure whose string |
|
28 | very slow, if you happen to have a huge data structure whose string | |
29 | representation is complex to compute. Your computer may appear to freeze for |
|
29 | representation is complex to compute. Your computer may appear to freeze for | |
30 | a while with cpu usage at 100%. If this occurs, you can cancel the traceback |
|
30 | a while with cpu usage at 100%. If this occurs, you can cancel the traceback | |
31 | with Ctrl-C (maybe hitting it more than once). |
|
31 | with Ctrl-C (maybe hitting it more than once). | |
32 |
|
32 | |||
33 | If you encounter this kind of situation often, you may want to use the |
|
33 | If you encounter this kind of situation often, you may want to use the | |
34 | Verbose_novars mode instead of the regular Verbose, which avoids formatting |
|
34 | Verbose_novars mode instead of the regular Verbose, which avoids formatting | |
35 | variables (but otherwise includes the information and context given by |
|
35 | variables (but otherwise includes the information and context given by | |
36 | Verbose). |
|
36 | Verbose). | |
37 |
|
37 | |||
38 |
|
38 | |||
39 | Installation instructions for ColorTB: |
|
39 | Installation instructions for ColorTB: | |
40 | import sys,ultraTB |
|
40 | import sys,ultraTB | |
41 | sys.excepthook = ultraTB.VerboseTB() |
|
41 | sys.excepthook = ultraTB.VerboseTB() | |
42 |
|
42 | |||
43 | Note: Much of the code in this module was lifted verbatim from the standard |
|
43 | Note: Much of the code in this module was lifted verbatim from the standard | |
44 | library module 'traceback.py' and Ka-Ping Yee's 'cgitb.py'. |
|
44 | library module 'traceback.py' and Ka-Ping Yee's 'cgitb.py'. | |
45 |
|
45 | |||
46 | * Color schemes |
|
46 | * Color schemes | |
47 | The colors are defined in the class TBTools through the use of the |
|
47 | The colors are defined in the class TBTools through the use of the | |
48 | ColorSchemeTable class. Currently the following exist: |
|
48 | ColorSchemeTable class. Currently the following exist: | |
49 |
|
49 | |||
50 | - NoColor: allows all of this module to be used in any terminal (the color |
|
50 | - NoColor: allows all of this module to be used in any terminal (the color | |
51 | escapes are just dummy blank strings). |
|
51 | escapes are just dummy blank strings). | |
52 |
|
52 | |||
53 | - Linux: is meant to look good in a terminal like the Linux console (black |
|
53 | - Linux: is meant to look good in a terminal like the Linux console (black | |
54 | or very dark background). |
|
54 | or very dark background). | |
55 |
|
55 | |||
56 | - LightBG: similar to Linux but swaps dark/light colors to be more readable |
|
56 | - LightBG: similar to Linux but swaps dark/light colors to be more readable | |
57 | in light background terminals. |
|
57 | in light background terminals. | |
58 |
|
58 | |||
59 | You can implement other color schemes easily, the syntax is fairly |
|
59 | You can implement other color schemes easily, the syntax is fairly | |
60 | self-explanatory. Please send back new schemes you develop to the author for |
|
60 | self-explanatory. Please send back new schemes you develop to the author for | |
61 | possible inclusion in future releases. |
|
61 | possible inclusion in future releases. | |
62 | """ |
|
62 | """ | |
63 |
|
63 | |||
64 | #***************************************************************************** |
|
64 | #***************************************************************************** | |
65 | # Copyright (C) 2001 Nathaniel Gray <n8gray@caltech.edu> |
|
65 | # Copyright (C) 2001 Nathaniel Gray <n8gray@caltech.edu> | |
66 | # Copyright (C) 2001-2004 Fernando Perez <fperez@colorado.edu> |
|
66 | # Copyright (C) 2001-2004 Fernando Perez <fperez@colorado.edu> | |
67 | # |
|
67 | # | |
68 | # Distributed under the terms of the BSD License. The full license is in |
|
68 | # Distributed under the terms of the BSD License. The full license is in | |
69 | # the file COPYING, distributed as part of this software. |
|
69 | # the file COPYING, distributed as part of this software. | |
70 | #***************************************************************************** |
|
70 | #***************************************************************************** | |
71 |
|
71 | |||
72 | # Required modules |
|
72 | # Required modules | |
73 | import inspect |
|
73 | import inspect | |
74 | import keyword |
|
74 | import keyword | |
75 | import linecache |
|
75 | import linecache | |
76 | import os |
|
76 | import os | |
77 | import pydoc |
|
77 | import pydoc | |
78 | import re |
|
78 | import re | |
79 | import string |
|
79 | import string | |
80 | import sys |
|
80 | import sys | |
81 | import time |
|
81 | import time | |
82 | import tokenize |
|
82 | import tokenize | |
83 | import traceback |
|
83 | import traceback | |
84 | import types |
|
84 | import types | |
85 |
|
85 | |||
86 | # For purposes of monkeypatching inspect to fix a bug in it. |
|
86 | # For purposes of monkeypatching inspect to fix a bug in it. | |
87 | from inspect import getsourcefile, getfile, getmodule,\ |
|
87 | from inspect import getsourcefile, getfile, getmodule,\ | |
88 | ismodule, isclass, ismethod, isfunction, istraceback, isframe, iscode |
|
88 | ismodule, isclass, ismethod, isfunction, istraceback, isframe, iscode | |
89 |
|
89 | |||
90 |
|
90 | |||
91 | # IPython's own modules |
|
91 | # IPython's own modules | |
92 | # Modified pdb which doesn't damage IPython's readline handling |
|
92 | # Modified pdb which doesn't damage IPython's readline handling | |
93 | from IPython import PyColorize |
|
93 | from IPython import PyColorize | |
94 | from IPython.core import debugger |
|
94 | from IPython.core import debugger | |
95 | from IPython.ipstruct import Struct |
|
95 | from IPython.ipstruct import Struct | |
96 | from IPython.excolors import exception_colors |
|
96 | from IPython.core.excolors import exception_colors | |
97 | from IPython.genutils import Term,uniq_stable,error,info |
|
97 | from IPython.genutils import Term,uniq_stable,error,info | |
98 |
|
98 | |||
99 | # Globals |
|
99 | # Globals | |
100 | # amount of space to put line numbers before verbose tracebacks |
|
100 | # amount of space to put line numbers before verbose tracebacks | |
101 | INDENT_SIZE = 8 |
|
101 | INDENT_SIZE = 8 | |
102 |
|
102 | |||
103 | # Default color scheme. This is used, for example, by the traceback |
|
103 | # Default color scheme. This is used, for example, by the traceback | |
104 | # formatter. When running in an actual IPython instance, the user's rc.colors |
|
104 | # formatter. When running in an actual IPython instance, the user's rc.colors | |
105 | # value is used, but havinga module global makes this functionality available |
|
105 | # value is used, but havinga module global makes this functionality available | |
106 | # to users of ultraTB who are NOT running inside ipython. |
|
106 | # to users of ultraTB who are NOT running inside ipython. | |
107 | DEFAULT_SCHEME = 'NoColor' |
|
107 | DEFAULT_SCHEME = 'NoColor' | |
108 |
|
108 | |||
109 | #--------------------------------------------------------------------------- |
|
109 | #--------------------------------------------------------------------------- | |
110 | # Code begins |
|
110 | # Code begins | |
111 |
|
111 | |||
112 | # Utility functions |
|
112 | # Utility functions | |
113 | def inspect_error(): |
|
113 | def inspect_error(): | |
114 | """Print a message about internal inspect errors. |
|
114 | """Print a message about internal inspect errors. | |
115 |
|
115 | |||
116 | These are unfortunately quite common.""" |
|
116 | These are unfortunately quite common.""" | |
117 |
|
117 | |||
118 | error('Internal Python error in the inspect module.\n' |
|
118 | error('Internal Python error in the inspect module.\n' | |
119 | 'Below is the traceback from this internal error.\n') |
|
119 | 'Below is the traceback from this internal error.\n') | |
120 |
|
120 | |||
121 |
|
121 | |||
122 | def findsource(object): |
|
122 | def findsource(object): | |
123 | """Return the entire source file and starting line number for an object. |
|
123 | """Return the entire source file and starting line number for an object. | |
124 |
|
124 | |||
125 | The argument may be a module, class, method, function, traceback, frame, |
|
125 | The argument may be a module, class, method, function, traceback, frame, | |
126 | or code object. The source code is returned as a list of all the lines |
|
126 | or code object. The source code is returned as a list of all the lines | |
127 | in the file and the line number indexes a line in that list. An IOError |
|
127 | in the file and the line number indexes a line in that list. An IOError | |
128 | is raised if the source code cannot be retrieved. |
|
128 | is raised if the source code cannot be retrieved. | |
129 |
|
129 | |||
130 | FIXED version with which we monkeypatch the stdlib to work around a bug.""" |
|
130 | FIXED version with which we monkeypatch the stdlib to work around a bug.""" | |
131 |
|
131 | |||
132 | file = getsourcefile(object) or getfile(object) |
|
132 | file = getsourcefile(object) or getfile(object) | |
133 | # If the object is a frame, then trying to get the globals dict from its |
|
133 | # If the object is a frame, then trying to get the globals dict from its | |
134 | # module won't work. Instead, the frame object itself has the globals |
|
134 | # module won't work. Instead, the frame object itself has the globals | |
135 | # dictionary. |
|
135 | # dictionary. | |
136 | globals_dict = None |
|
136 | globals_dict = None | |
137 | if inspect.isframe(object): |
|
137 | if inspect.isframe(object): | |
138 | # XXX: can this ever be false? |
|
138 | # XXX: can this ever be false? | |
139 | globals_dict = object.f_globals |
|
139 | globals_dict = object.f_globals | |
140 | else: |
|
140 | else: | |
141 | module = getmodule(object, file) |
|
141 | module = getmodule(object, file) | |
142 | if module: |
|
142 | if module: | |
143 | globals_dict = module.__dict__ |
|
143 | globals_dict = module.__dict__ | |
144 | lines = linecache.getlines(file, globals_dict) |
|
144 | lines = linecache.getlines(file, globals_dict) | |
145 | if not lines: |
|
145 | if not lines: | |
146 | raise IOError('could not get source code') |
|
146 | raise IOError('could not get source code') | |
147 |
|
147 | |||
148 | if ismodule(object): |
|
148 | if ismodule(object): | |
149 | return lines, 0 |
|
149 | return lines, 0 | |
150 |
|
150 | |||
151 | if isclass(object): |
|
151 | if isclass(object): | |
152 | name = object.__name__ |
|
152 | name = object.__name__ | |
153 | pat = re.compile(r'^(\s*)class\s*' + name + r'\b') |
|
153 | pat = re.compile(r'^(\s*)class\s*' + name + r'\b') | |
154 | # make some effort to find the best matching class definition: |
|
154 | # make some effort to find the best matching class definition: | |
155 | # use the one with the least indentation, which is the one |
|
155 | # use the one with the least indentation, which is the one | |
156 | # that's most probably not inside a function definition. |
|
156 | # that's most probably not inside a function definition. | |
157 | candidates = [] |
|
157 | candidates = [] | |
158 | for i in range(len(lines)): |
|
158 | for i in range(len(lines)): | |
159 | match = pat.match(lines[i]) |
|
159 | match = pat.match(lines[i]) | |
160 | if match: |
|
160 | if match: | |
161 | # if it's at toplevel, it's already the best one |
|
161 | # if it's at toplevel, it's already the best one | |
162 | if lines[i][0] == 'c': |
|
162 | if lines[i][0] == 'c': | |
163 | return lines, i |
|
163 | return lines, i | |
164 | # else add whitespace to candidate list |
|
164 | # else add whitespace to candidate list | |
165 | candidates.append((match.group(1), i)) |
|
165 | candidates.append((match.group(1), i)) | |
166 | if candidates: |
|
166 | if candidates: | |
167 | # this will sort by whitespace, and by line number, |
|
167 | # this will sort by whitespace, and by line number, | |
168 | # less whitespace first |
|
168 | # less whitespace first | |
169 | candidates.sort() |
|
169 | candidates.sort() | |
170 | return lines, candidates[0][1] |
|
170 | return lines, candidates[0][1] | |
171 | else: |
|
171 | else: | |
172 | raise IOError('could not find class definition') |
|
172 | raise IOError('could not find class definition') | |
173 |
|
173 | |||
174 | if ismethod(object): |
|
174 | if ismethod(object): | |
175 | object = object.im_func |
|
175 | object = object.im_func | |
176 | if isfunction(object): |
|
176 | if isfunction(object): | |
177 | object = object.func_code |
|
177 | object = object.func_code | |
178 | if istraceback(object): |
|
178 | if istraceback(object): | |
179 | object = object.tb_frame |
|
179 | object = object.tb_frame | |
180 | if isframe(object): |
|
180 | if isframe(object): | |
181 | object = object.f_code |
|
181 | object = object.f_code | |
182 | if iscode(object): |
|
182 | if iscode(object): | |
183 | if not hasattr(object, 'co_firstlineno'): |
|
183 | if not hasattr(object, 'co_firstlineno'): | |
184 | raise IOError('could not find function definition') |
|
184 | raise IOError('could not find function definition') | |
185 | pat = re.compile(r'^(\s*def\s)|(.*(?<!\w)lambda(:|\s))|^(\s*@)') |
|
185 | pat = re.compile(r'^(\s*def\s)|(.*(?<!\w)lambda(:|\s))|^(\s*@)') | |
186 | pmatch = pat.match |
|
186 | pmatch = pat.match | |
187 | # fperez - fix: sometimes, co_firstlineno can give a number larger than |
|
187 | # fperez - fix: sometimes, co_firstlineno can give a number larger than | |
188 | # the length of lines, which causes an error. Safeguard against that. |
|
188 | # the length of lines, which causes an error. Safeguard against that. | |
189 | lnum = min(object.co_firstlineno,len(lines))-1 |
|
189 | lnum = min(object.co_firstlineno,len(lines))-1 | |
190 | while lnum > 0: |
|
190 | while lnum > 0: | |
191 | if pmatch(lines[lnum]): break |
|
191 | if pmatch(lines[lnum]): break | |
192 | lnum -= 1 |
|
192 | lnum -= 1 | |
193 |
|
193 | |||
194 | return lines, lnum |
|
194 | return lines, lnum | |
195 | raise IOError('could not find code object') |
|
195 | raise IOError('could not find code object') | |
196 |
|
196 | |||
197 | # Monkeypatch inspect to apply our bugfix. This code only works with py25 |
|
197 | # Monkeypatch inspect to apply our bugfix. This code only works with py25 | |
198 | if sys.version_info[:2] >= (2,5): |
|
198 | if sys.version_info[:2] >= (2,5): | |
199 | inspect.findsource = findsource |
|
199 | inspect.findsource = findsource | |
200 |
|
200 | |||
201 | def fix_frame_records_filenames(records): |
|
201 | def fix_frame_records_filenames(records): | |
202 | """Try to fix the filenames in each record from inspect.getinnerframes(). |
|
202 | """Try to fix the filenames in each record from inspect.getinnerframes(). | |
203 |
|
203 | |||
204 | Particularly, modules loaded from within zip files have useless filenames |
|
204 | Particularly, modules loaded from within zip files have useless filenames | |
205 | attached to their code object, and inspect.getinnerframes() just uses it. |
|
205 | attached to their code object, and inspect.getinnerframes() just uses it. | |
206 | """ |
|
206 | """ | |
207 | fixed_records = [] |
|
207 | fixed_records = [] | |
208 | for frame, filename, line_no, func_name, lines, index in records: |
|
208 | for frame, filename, line_no, func_name, lines, index in records: | |
209 | # Look inside the frame's globals dictionary for __file__, which should |
|
209 | # Look inside the frame's globals dictionary for __file__, which should | |
210 | # be better. |
|
210 | # be better. | |
211 | better_fn = frame.f_globals.get('__file__', None) |
|
211 | better_fn = frame.f_globals.get('__file__', None) | |
212 | if isinstance(better_fn, str): |
|
212 | if isinstance(better_fn, str): | |
213 | # Check the type just in case someone did something weird with |
|
213 | # Check the type just in case someone did something weird with | |
214 | # __file__. It might also be None if the error occurred during |
|
214 | # __file__. It might also be None if the error occurred during | |
215 | # import. |
|
215 | # import. | |
216 | filename = better_fn |
|
216 | filename = better_fn | |
217 | fixed_records.append((frame, filename, line_no, func_name, lines, index)) |
|
217 | fixed_records.append((frame, filename, line_no, func_name, lines, index)) | |
218 | return fixed_records |
|
218 | return fixed_records | |
219 |
|
219 | |||
220 |
|
220 | |||
221 | def _fixed_getinnerframes(etb, context=1,tb_offset=0): |
|
221 | def _fixed_getinnerframes(etb, context=1,tb_offset=0): | |
222 | import linecache |
|
222 | import linecache | |
223 | LNUM_POS, LINES_POS, INDEX_POS = 2, 4, 5 |
|
223 | LNUM_POS, LINES_POS, INDEX_POS = 2, 4, 5 | |
224 |
|
224 | |||
225 | records = fix_frame_records_filenames(inspect.getinnerframes(etb, context)) |
|
225 | records = fix_frame_records_filenames(inspect.getinnerframes(etb, context)) | |
226 |
|
226 | |||
227 | # If the error is at the console, don't build any context, since it would |
|
227 | # If the error is at the console, don't build any context, since it would | |
228 | # otherwise produce 5 blank lines printed out (there is no file at the |
|
228 | # otherwise produce 5 blank lines printed out (there is no file at the | |
229 | # console) |
|
229 | # console) | |
230 | rec_check = records[tb_offset:] |
|
230 | rec_check = records[tb_offset:] | |
231 | try: |
|
231 | try: | |
232 | rname = rec_check[0][1] |
|
232 | rname = rec_check[0][1] | |
233 | if rname == '<ipython console>' or rname.endswith('<string>'): |
|
233 | if rname == '<ipython console>' or rname.endswith('<string>'): | |
234 | return rec_check |
|
234 | return rec_check | |
235 | except IndexError: |
|
235 | except IndexError: | |
236 | pass |
|
236 | pass | |
237 |
|
237 | |||
238 | aux = traceback.extract_tb(etb) |
|
238 | aux = traceback.extract_tb(etb) | |
239 | assert len(records) == len(aux) |
|
239 | assert len(records) == len(aux) | |
240 | for i, (file, lnum, _, _) in zip(range(len(records)), aux): |
|
240 | for i, (file, lnum, _, _) in zip(range(len(records)), aux): | |
241 | maybeStart = lnum-1 - context//2 |
|
241 | maybeStart = lnum-1 - context//2 | |
242 | start = max(maybeStart, 0) |
|
242 | start = max(maybeStart, 0) | |
243 | end = start + context |
|
243 | end = start + context | |
244 | lines = linecache.getlines(file)[start:end] |
|
244 | lines = linecache.getlines(file)[start:end] | |
245 | # pad with empty lines if necessary |
|
245 | # pad with empty lines if necessary | |
246 | if maybeStart < 0: |
|
246 | if maybeStart < 0: | |
247 | lines = (['\n'] * -maybeStart) + lines |
|
247 | lines = (['\n'] * -maybeStart) + lines | |
248 | if len(lines) < context: |
|
248 | if len(lines) < context: | |
249 | lines += ['\n'] * (context - len(lines)) |
|
249 | lines += ['\n'] * (context - len(lines)) | |
250 | buf = list(records[i]) |
|
250 | buf = list(records[i]) | |
251 | buf[LNUM_POS] = lnum |
|
251 | buf[LNUM_POS] = lnum | |
252 | buf[INDEX_POS] = lnum - 1 - start |
|
252 | buf[INDEX_POS] = lnum - 1 - start | |
253 | buf[LINES_POS] = lines |
|
253 | buf[LINES_POS] = lines | |
254 | records[i] = tuple(buf) |
|
254 | records[i] = tuple(buf) | |
255 | return records[tb_offset:] |
|
255 | return records[tb_offset:] | |
256 |
|
256 | |||
257 | # Helper function -- largely belongs to VerboseTB, but we need the same |
|
257 | # Helper function -- largely belongs to VerboseTB, but we need the same | |
258 | # functionality to produce a pseudo verbose TB for SyntaxErrors, so that they |
|
258 | # functionality to produce a pseudo verbose TB for SyntaxErrors, so that they | |
259 | # can be recognized properly by ipython.el's py-traceback-line-re |
|
259 | # can be recognized properly by ipython.el's py-traceback-line-re | |
260 | # (SyntaxErrors have to be treated specially because they have no traceback) |
|
260 | # (SyntaxErrors have to be treated specially because they have no traceback) | |
261 |
|
261 | |||
262 | _parser = PyColorize.Parser() |
|
262 | _parser = PyColorize.Parser() | |
263 |
|
263 | |||
264 | def _formatTracebackLines(lnum, index, lines, Colors, lvals=None,scheme=None): |
|
264 | def _formatTracebackLines(lnum, index, lines, Colors, lvals=None,scheme=None): | |
265 | numbers_width = INDENT_SIZE - 1 |
|
265 | numbers_width = INDENT_SIZE - 1 | |
266 | res = [] |
|
266 | res = [] | |
267 | i = lnum - index |
|
267 | i = lnum - index | |
268 |
|
268 | |||
269 | # This lets us get fully syntax-highlighted tracebacks. |
|
269 | # This lets us get fully syntax-highlighted tracebacks. | |
270 | if scheme is None: |
|
270 | if scheme is None: | |
271 | try: |
|
271 | try: | |
272 | # Again, reference to a global __IPYTHON__ that doesn't exist. |
|
272 | # Again, reference to a global __IPYTHON__ that doesn't exist. | |
273 | # XXX |
|
273 | # XXX | |
274 | scheme = __IPYTHON__.rc.colors |
|
274 | scheme = __IPYTHON__.rc.colors | |
275 | except: |
|
275 | except: | |
276 | scheme = DEFAULT_SCHEME |
|
276 | scheme = DEFAULT_SCHEME | |
277 | _line_format = _parser.format2 |
|
277 | _line_format = _parser.format2 | |
278 |
|
278 | |||
279 | for line in lines: |
|
279 | for line in lines: | |
280 | new_line, err = _line_format(line,'str',scheme) |
|
280 | new_line, err = _line_format(line,'str',scheme) | |
281 | if not err: line = new_line |
|
281 | if not err: line = new_line | |
282 |
|
282 | |||
283 | if i == lnum: |
|
283 | if i == lnum: | |
284 | # This is the line with the error |
|
284 | # This is the line with the error | |
285 | pad = numbers_width - len(str(i)) |
|
285 | pad = numbers_width - len(str(i)) | |
286 | if pad >= 3: |
|
286 | if pad >= 3: | |
287 | marker = '-'*(pad-3) + '-> ' |
|
287 | marker = '-'*(pad-3) + '-> ' | |
288 | elif pad == 2: |
|
288 | elif pad == 2: | |
289 | marker = '> ' |
|
289 | marker = '> ' | |
290 | elif pad == 1: |
|
290 | elif pad == 1: | |
291 | marker = '>' |
|
291 | marker = '>' | |
292 | else: |
|
292 | else: | |
293 | marker = '' |
|
293 | marker = '' | |
294 | num = marker + str(i) |
|
294 | num = marker + str(i) | |
295 | line = '%s%s%s %s%s' %(Colors.linenoEm, num, |
|
295 | line = '%s%s%s %s%s' %(Colors.linenoEm, num, | |
296 | Colors.line, line, Colors.Normal) |
|
296 | Colors.line, line, Colors.Normal) | |
297 | else: |
|
297 | else: | |
298 | num = '%*s' % (numbers_width,i) |
|
298 | num = '%*s' % (numbers_width,i) | |
299 | line = '%s%s%s %s' %(Colors.lineno, num, |
|
299 | line = '%s%s%s %s' %(Colors.lineno, num, | |
300 | Colors.Normal, line) |
|
300 | Colors.Normal, line) | |
301 |
|
301 | |||
302 | res.append(line) |
|
302 | res.append(line) | |
303 | if lvals and i == lnum: |
|
303 | if lvals and i == lnum: | |
304 | res.append(lvals + '\n') |
|
304 | res.append(lvals + '\n') | |
305 | i = i + 1 |
|
305 | i = i + 1 | |
306 | return res |
|
306 | return res | |
307 |
|
307 | |||
308 |
|
308 | |||
309 | #--------------------------------------------------------------------------- |
|
309 | #--------------------------------------------------------------------------- | |
310 | # Module classes |
|
310 | # Module classes | |
311 | class TBTools: |
|
311 | class TBTools: | |
312 | """Basic tools used by all traceback printer classes.""" |
|
312 | """Basic tools used by all traceback printer classes.""" | |
313 |
|
313 | |||
314 | def __init__(self,color_scheme = 'NoColor',call_pdb=False): |
|
314 | def __init__(self,color_scheme = 'NoColor',call_pdb=False): | |
315 | # Whether to call the interactive pdb debugger after printing |
|
315 | # Whether to call the interactive pdb debugger after printing | |
316 | # tracebacks or not |
|
316 | # tracebacks or not | |
317 | self.call_pdb = call_pdb |
|
317 | self.call_pdb = call_pdb | |
318 |
|
318 | |||
319 | # Create color table |
|
319 | # Create color table | |
320 | self.color_scheme_table = exception_colors() |
|
320 | self.color_scheme_table = exception_colors() | |
321 |
|
321 | |||
322 | self.set_colors(color_scheme) |
|
322 | self.set_colors(color_scheme) | |
323 | self.old_scheme = color_scheme # save initial value for toggles |
|
323 | self.old_scheme = color_scheme # save initial value for toggles | |
324 |
|
324 | |||
325 | if call_pdb: |
|
325 | if call_pdb: | |
326 | self.pdb = debugger.Pdb(self.color_scheme_table.active_scheme_name) |
|
326 | self.pdb = debugger.Pdb(self.color_scheme_table.active_scheme_name) | |
327 | else: |
|
327 | else: | |
328 | self.pdb = None |
|
328 | self.pdb = None | |
329 |
|
329 | |||
330 | def set_colors(self,*args,**kw): |
|
330 | def set_colors(self,*args,**kw): | |
331 | """Shorthand access to the color table scheme selector method.""" |
|
331 | """Shorthand access to the color table scheme selector method.""" | |
332 |
|
332 | |||
333 | # Set own color table |
|
333 | # Set own color table | |
334 | self.color_scheme_table.set_active_scheme(*args,**kw) |
|
334 | self.color_scheme_table.set_active_scheme(*args,**kw) | |
335 | # for convenience, set Colors to the active scheme |
|
335 | # for convenience, set Colors to the active scheme | |
336 | self.Colors = self.color_scheme_table.active_colors |
|
336 | self.Colors = self.color_scheme_table.active_colors | |
337 | # Also set colors of debugger |
|
337 | # Also set colors of debugger | |
338 | if hasattr(self,'pdb') and self.pdb is not None: |
|
338 | if hasattr(self,'pdb') and self.pdb is not None: | |
339 | self.pdb.set_colors(*args,**kw) |
|
339 | self.pdb.set_colors(*args,**kw) | |
340 |
|
340 | |||
341 | def color_toggle(self): |
|
341 | def color_toggle(self): | |
342 | """Toggle between the currently active color scheme and NoColor.""" |
|
342 | """Toggle between the currently active color scheme and NoColor.""" | |
343 |
|
343 | |||
344 | if self.color_scheme_table.active_scheme_name == 'NoColor': |
|
344 | if self.color_scheme_table.active_scheme_name == 'NoColor': | |
345 | self.color_scheme_table.set_active_scheme(self.old_scheme) |
|
345 | self.color_scheme_table.set_active_scheme(self.old_scheme) | |
346 | self.Colors = self.color_scheme_table.active_colors |
|
346 | self.Colors = self.color_scheme_table.active_colors | |
347 | else: |
|
347 | else: | |
348 | self.old_scheme = self.color_scheme_table.active_scheme_name |
|
348 | self.old_scheme = self.color_scheme_table.active_scheme_name | |
349 | self.color_scheme_table.set_active_scheme('NoColor') |
|
349 | self.color_scheme_table.set_active_scheme('NoColor') | |
350 | self.Colors = self.color_scheme_table.active_colors |
|
350 | self.Colors = self.color_scheme_table.active_colors | |
351 |
|
351 | |||
352 | #--------------------------------------------------------------------------- |
|
352 | #--------------------------------------------------------------------------- | |
353 | class ListTB(TBTools): |
|
353 | class ListTB(TBTools): | |
354 | """Print traceback information from a traceback list, with optional color. |
|
354 | """Print traceback information from a traceback list, with optional color. | |
355 |
|
355 | |||
356 | Calling: requires 3 arguments: |
|
356 | Calling: requires 3 arguments: | |
357 | (etype, evalue, elist) |
|
357 | (etype, evalue, elist) | |
358 | as would be obtained by: |
|
358 | as would be obtained by: | |
359 | etype, evalue, tb = sys.exc_info() |
|
359 | etype, evalue, tb = sys.exc_info() | |
360 | if tb: |
|
360 | if tb: | |
361 | elist = traceback.extract_tb(tb) |
|
361 | elist = traceback.extract_tb(tb) | |
362 | else: |
|
362 | else: | |
363 | elist = None |
|
363 | elist = None | |
364 |
|
364 | |||
365 | It can thus be used by programs which need to process the traceback before |
|
365 | It can thus be used by programs which need to process the traceback before | |
366 | printing (such as console replacements based on the code module from the |
|
366 | printing (such as console replacements based on the code module from the | |
367 | standard library). |
|
367 | standard library). | |
368 |
|
368 | |||
369 | Because they are meant to be called without a full traceback (only a |
|
369 | Because they are meant to be called without a full traceback (only a | |
370 | list), instances of this class can't call the interactive pdb debugger.""" |
|
370 | list), instances of this class can't call the interactive pdb debugger.""" | |
371 |
|
371 | |||
372 | def __init__(self,color_scheme = 'NoColor'): |
|
372 | def __init__(self,color_scheme = 'NoColor'): | |
373 | TBTools.__init__(self,color_scheme = color_scheme,call_pdb=0) |
|
373 | TBTools.__init__(self,color_scheme = color_scheme,call_pdb=0) | |
374 |
|
374 | |||
375 | def __call__(self, etype, value, elist): |
|
375 | def __call__(self, etype, value, elist): | |
376 | Term.cout.flush() |
|
376 | Term.cout.flush() | |
377 | print >> Term.cerr, self.text(etype,value,elist) |
|
377 | print >> Term.cerr, self.text(etype,value,elist) | |
378 | Term.cerr.flush() |
|
378 | Term.cerr.flush() | |
379 |
|
379 | |||
380 | def text(self,etype, value, elist,context=5): |
|
380 | def text(self,etype, value, elist,context=5): | |
381 | """Return a color formatted string with the traceback info.""" |
|
381 | """Return a color formatted string with the traceback info.""" | |
382 |
|
382 | |||
383 | Colors = self.Colors |
|
383 | Colors = self.Colors | |
384 | out_string = ['%s%s%s\n' % (Colors.topline,'-'*60,Colors.Normal)] |
|
384 | out_string = ['%s%s%s\n' % (Colors.topline,'-'*60,Colors.Normal)] | |
385 | if elist: |
|
385 | if elist: | |
386 | out_string.append('Traceback %s(most recent call last)%s:' % \ |
|
386 | out_string.append('Traceback %s(most recent call last)%s:' % \ | |
387 | (Colors.normalEm, Colors.Normal) + '\n') |
|
387 | (Colors.normalEm, Colors.Normal) + '\n') | |
388 | out_string.extend(self._format_list(elist)) |
|
388 | out_string.extend(self._format_list(elist)) | |
389 | lines = self._format_exception_only(etype, value) |
|
389 | lines = self._format_exception_only(etype, value) | |
390 | for line in lines[:-1]: |
|
390 | for line in lines[:-1]: | |
391 | out_string.append(" "+line) |
|
391 | out_string.append(" "+line) | |
392 | out_string.append(lines[-1]) |
|
392 | out_string.append(lines[-1]) | |
393 | return ''.join(out_string) |
|
393 | return ''.join(out_string) | |
394 |
|
394 | |||
395 | def _format_list(self, extracted_list): |
|
395 | def _format_list(self, extracted_list): | |
396 | """Format a list of traceback entry tuples for printing. |
|
396 | """Format a list of traceback entry tuples for printing. | |
397 |
|
397 | |||
398 | Given a list of tuples as returned by extract_tb() or |
|
398 | Given a list of tuples as returned by extract_tb() or | |
399 | extract_stack(), return a list of strings ready for printing. |
|
399 | extract_stack(), return a list of strings ready for printing. | |
400 | Each string in the resulting list corresponds to the item with the |
|
400 | Each string in the resulting list corresponds to the item with the | |
401 | same index in the argument list. Each string ends in a newline; |
|
401 | same index in the argument list. Each string ends in a newline; | |
402 | the strings may contain internal newlines as well, for those items |
|
402 | the strings may contain internal newlines as well, for those items | |
403 | whose source text line is not None. |
|
403 | whose source text line is not None. | |
404 |
|
404 | |||
405 | Lifted almost verbatim from traceback.py |
|
405 | Lifted almost verbatim from traceback.py | |
406 | """ |
|
406 | """ | |
407 |
|
407 | |||
408 | Colors = self.Colors |
|
408 | Colors = self.Colors | |
409 | list = [] |
|
409 | list = [] | |
410 | for filename, lineno, name, line in extracted_list[:-1]: |
|
410 | for filename, lineno, name, line in extracted_list[:-1]: | |
411 | item = ' File %s"%s"%s, line %s%d%s, in %s%s%s\n' % \ |
|
411 | item = ' File %s"%s"%s, line %s%d%s, in %s%s%s\n' % \ | |
412 | (Colors.filename, filename, Colors.Normal, |
|
412 | (Colors.filename, filename, Colors.Normal, | |
413 | Colors.lineno, lineno, Colors.Normal, |
|
413 | Colors.lineno, lineno, Colors.Normal, | |
414 | Colors.name, name, Colors.Normal) |
|
414 | Colors.name, name, Colors.Normal) | |
415 | if line: |
|
415 | if line: | |
416 | item = item + ' %s\n' % line.strip() |
|
416 | item = item + ' %s\n' % line.strip() | |
417 | list.append(item) |
|
417 | list.append(item) | |
418 | # Emphasize the last entry |
|
418 | # Emphasize the last entry | |
419 | filename, lineno, name, line = extracted_list[-1] |
|
419 | filename, lineno, name, line = extracted_list[-1] | |
420 | item = '%s File %s"%s"%s, line %s%d%s, in %s%s%s%s\n' % \ |
|
420 | item = '%s File %s"%s"%s, line %s%d%s, in %s%s%s%s\n' % \ | |
421 | (Colors.normalEm, |
|
421 | (Colors.normalEm, | |
422 | Colors.filenameEm, filename, Colors.normalEm, |
|
422 | Colors.filenameEm, filename, Colors.normalEm, | |
423 | Colors.linenoEm, lineno, Colors.normalEm, |
|
423 | Colors.linenoEm, lineno, Colors.normalEm, | |
424 | Colors.nameEm, name, Colors.normalEm, |
|
424 | Colors.nameEm, name, Colors.normalEm, | |
425 | Colors.Normal) |
|
425 | Colors.Normal) | |
426 | if line: |
|
426 | if line: | |
427 | item = item + '%s %s%s\n' % (Colors.line, line.strip(), |
|
427 | item = item + '%s %s%s\n' % (Colors.line, line.strip(), | |
428 | Colors.Normal) |
|
428 | Colors.Normal) | |
429 | list.append(item) |
|
429 | list.append(item) | |
430 | return list |
|
430 | return list | |
431 |
|
431 | |||
432 | def _format_exception_only(self, etype, value): |
|
432 | def _format_exception_only(self, etype, value): | |
433 | """Format the exception part of a traceback. |
|
433 | """Format the exception part of a traceback. | |
434 |
|
434 | |||
435 | The arguments are the exception type and value such as given by |
|
435 | The arguments are the exception type and value such as given by | |
436 | sys.exc_info()[:2]. The return value is a list of strings, each ending |
|
436 | sys.exc_info()[:2]. The return value is a list of strings, each ending | |
437 | in a newline. Normally, the list contains a single string; however, |
|
437 | in a newline. Normally, the list contains a single string; however, | |
438 | for SyntaxError exceptions, it contains several lines that (when |
|
438 | for SyntaxError exceptions, it contains several lines that (when | |
439 | printed) display detailed information about where the syntax error |
|
439 | printed) display detailed information about where the syntax error | |
440 | occurred. The message indicating which exception occurred is the |
|
440 | occurred. The message indicating which exception occurred is the | |
441 | always last string in the list. |
|
441 | always last string in the list. | |
442 |
|
442 | |||
443 | Also lifted nearly verbatim from traceback.py |
|
443 | Also lifted nearly verbatim from traceback.py | |
444 | """ |
|
444 | """ | |
445 |
|
445 | |||
446 | have_filedata = False |
|
446 | have_filedata = False | |
447 | Colors = self.Colors |
|
447 | Colors = self.Colors | |
448 | list = [] |
|
448 | list = [] | |
449 | try: |
|
449 | try: | |
450 | stype = Colors.excName + etype.__name__ + Colors.Normal |
|
450 | stype = Colors.excName + etype.__name__ + Colors.Normal | |
451 | except AttributeError: |
|
451 | except AttributeError: | |
452 | stype = etype # String exceptions don't get special coloring |
|
452 | stype = etype # String exceptions don't get special coloring | |
453 | if value is None: |
|
453 | if value is None: | |
454 | list.append( str(stype) + '\n') |
|
454 | list.append( str(stype) + '\n') | |
455 | else: |
|
455 | else: | |
456 | if etype is SyntaxError: |
|
456 | if etype is SyntaxError: | |
457 | try: |
|
457 | try: | |
458 | msg, (filename, lineno, offset, line) = value |
|
458 | msg, (filename, lineno, offset, line) = value | |
459 | except: |
|
459 | except: | |
460 | have_filedata = False |
|
460 | have_filedata = False | |
461 | else: |
|
461 | else: | |
462 | have_filedata = True |
|
462 | have_filedata = True | |
463 | #print 'filename is',filename # dbg |
|
463 | #print 'filename is',filename # dbg | |
464 | if not filename: filename = "<string>" |
|
464 | if not filename: filename = "<string>" | |
465 | list.append('%s File %s"%s"%s, line %s%d%s\n' % \ |
|
465 | list.append('%s File %s"%s"%s, line %s%d%s\n' % \ | |
466 | (Colors.normalEm, |
|
466 | (Colors.normalEm, | |
467 | Colors.filenameEm, filename, Colors.normalEm, |
|
467 | Colors.filenameEm, filename, Colors.normalEm, | |
468 | Colors.linenoEm, lineno, Colors.Normal )) |
|
468 | Colors.linenoEm, lineno, Colors.Normal )) | |
469 | if line is not None: |
|
469 | if line is not None: | |
470 | i = 0 |
|
470 | i = 0 | |
471 | while i < len(line) and line[i].isspace(): |
|
471 | while i < len(line) and line[i].isspace(): | |
472 | i = i+1 |
|
472 | i = i+1 | |
473 | list.append('%s %s%s\n' % (Colors.line, |
|
473 | list.append('%s %s%s\n' % (Colors.line, | |
474 | line.strip(), |
|
474 | line.strip(), | |
475 | Colors.Normal)) |
|
475 | Colors.Normal)) | |
476 | if offset is not None: |
|
476 | if offset is not None: | |
477 | s = ' ' |
|
477 | s = ' ' | |
478 | for c in line[i:offset-1]: |
|
478 | for c in line[i:offset-1]: | |
479 | if c.isspace(): |
|
479 | if c.isspace(): | |
480 | s = s + c |
|
480 | s = s + c | |
481 | else: |
|
481 | else: | |
482 | s = s + ' ' |
|
482 | s = s + ' ' | |
483 | list.append('%s%s^%s\n' % (Colors.caret, s, |
|
483 | list.append('%s%s^%s\n' % (Colors.caret, s, | |
484 | Colors.Normal) ) |
|
484 | Colors.Normal) ) | |
485 | value = msg |
|
485 | value = msg | |
486 | s = self._some_str(value) |
|
486 | s = self._some_str(value) | |
487 | if s: |
|
487 | if s: | |
488 | list.append('%s%s:%s %s\n' % (str(stype), Colors.excName, |
|
488 | list.append('%s%s:%s %s\n' % (str(stype), Colors.excName, | |
489 | Colors.Normal, s)) |
|
489 | Colors.Normal, s)) | |
490 | else: |
|
490 | else: | |
491 | list.append('%s\n' % str(stype)) |
|
491 | list.append('%s\n' % str(stype)) | |
492 |
|
492 | |||
493 | # This is being commented out for now as the __IPYTHON__ variable |
|
493 | # This is being commented out for now as the __IPYTHON__ variable | |
494 | # referenced here is not resolved and causes massive test failures |
|
494 | # referenced here is not resolved and causes massive test failures | |
495 | # and errors. B. Granger, 04/2009. XXX |
|
495 | # and errors. B. Granger, 04/2009. XXX | |
496 | # See https://bugs.launchpad.net/bugs/362137 |
|
496 | # See https://bugs.launchpad.net/bugs/362137 | |
497 | # # vds:>> |
|
497 | # # vds:>> | |
498 | # if have_filedata: |
|
498 | # if have_filedata: | |
499 | # __IPYTHON__.hooks.synchronize_with_editor(filename, lineno, 0) |
|
499 | # __IPYTHON__.hooks.synchronize_with_editor(filename, lineno, 0) | |
500 | # # vds:<< |
|
500 | # # vds:<< | |
501 |
|
501 | |||
502 | return list |
|
502 | return list | |
503 |
|
503 | |||
504 | def _some_str(self, value): |
|
504 | def _some_str(self, value): | |
505 | # Lifted from traceback.py |
|
505 | # Lifted from traceback.py | |
506 | try: |
|
506 | try: | |
507 | return str(value) |
|
507 | return str(value) | |
508 | except: |
|
508 | except: | |
509 | return '<unprintable %s object>' % type(value).__name__ |
|
509 | return '<unprintable %s object>' % type(value).__name__ | |
510 |
|
510 | |||
511 | #---------------------------------------------------------------------------- |
|
511 | #---------------------------------------------------------------------------- | |
512 | class VerboseTB(TBTools): |
|
512 | class VerboseTB(TBTools): | |
513 | """A port of Ka-Ping Yee's cgitb.py module that outputs color text instead |
|
513 | """A port of Ka-Ping Yee's cgitb.py module that outputs color text instead | |
514 | of HTML. Requires inspect and pydoc. Crazy, man. |
|
514 | of HTML. Requires inspect and pydoc. Crazy, man. | |
515 |
|
515 | |||
516 | Modified version which optionally strips the topmost entries from the |
|
516 | Modified version which optionally strips the topmost entries from the | |
517 | traceback, to be used with alternate interpreters (because their own code |
|
517 | traceback, to be used with alternate interpreters (because their own code | |
518 | would appear in the traceback).""" |
|
518 | would appear in the traceback).""" | |
519 |
|
519 | |||
520 | def __init__(self,color_scheme = 'Linux',tb_offset=0,long_header=0, |
|
520 | def __init__(self,color_scheme = 'Linux',tb_offset=0,long_header=0, | |
521 | call_pdb = 0, include_vars=1): |
|
521 | call_pdb = 0, include_vars=1): | |
522 | """Specify traceback offset, headers and color scheme. |
|
522 | """Specify traceback offset, headers and color scheme. | |
523 |
|
523 | |||
524 | Define how many frames to drop from the tracebacks. Calling it with |
|
524 | Define how many frames to drop from the tracebacks. Calling it with | |
525 | tb_offset=1 allows use of this handler in interpreters which will have |
|
525 | tb_offset=1 allows use of this handler in interpreters which will have | |
526 | their own code at the top of the traceback (VerboseTB will first |
|
526 | their own code at the top of the traceback (VerboseTB will first | |
527 | remove that frame before printing the traceback info).""" |
|
527 | remove that frame before printing the traceback info).""" | |
528 | TBTools.__init__(self,color_scheme=color_scheme,call_pdb=call_pdb) |
|
528 | TBTools.__init__(self,color_scheme=color_scheme,call_pdb=call_pdb) | |
529 | self.tb_offset = tb_offset |
|
529 | self.tb_offset = tb_offset | |
530 | self.long_header = long_header |
|
530 | self.long_header = long_header | |
531 | self.include_vars = include_vars |
|
531 | self.include_vars = include_vars | |
532 |
|
532 | |||
533 | def text(self, etype, evalue, etb, context=5): |
|
533 | def text(self, etype, evalue, etb, context=5): | |
534 | """Return a nice text document describing the traceback.""" |
|
534 | """Return a nice text document describing the traceback.""" | |
535 |
|
535 | |||
536 | # some locals |
|
536 | # some locals | |
537 | try: |
|
537 | try: | |
538 | etype = etype.__name__ |
|
538 | etype = etype.__name__ | |
539 | except AttributeError: |
|
539 | except AttributeError: | |
540 | pass |
|
540 | pass | |
541 | Colors = self.Colors # just a shorthand + quicker name lookup |
|
541 | Colors = self.Colors # just a shorthand + quicker name lookup | |
542 | ColorsNormal = Colors.Normal # used a lot |
|
542 | ColorsNormal = Colors.Normal # used a lot | |
543 | col_scheme = self.color_scheme_table.active_scheme_name |
|
543 | col_scheme = self.color_scheme_table.active_scheme_name | |
544 | indent = ' '*INDENT_SIZE |
|
544 | indent = ' '*INDENT_SIZE | |
545 | em_normal = '%s\n%s%s' % (Colors.valEm, indent,ColorsNormal) |
|
545 | em_normal = '%s\n%s%s' % (Colors.valEm, indent,ColorsNormal) | |
546 | undefined = '%sundefined%s' % (Colors.em, ColorsNormal) |
|
546 | undefined = '%sundefined%s' % (Colors.em, ColorsNormal) | |
547 | exc = '%s%s%s' % (Colors.excName,etype,ColorsNormal) |
|
547 | exc = '%s%s%s' % (Colors.excName,etype,ColorsNormal) | |
548 |
|
548 | |||
549 | # some internal-use functions |
|
549 | # some internal-use functions | |
550 | def text_repr(value): |
|
550 | def text_repr(value): | |
551 | """Hopefully pretty robust repr equivalent.""" |
|
551 | """Hopefully pretty robust repr equivalent.""" | |
552 | # this is pretty horrible but should always return *something* |
|
552 | # this is pretty horrible but should always return *something* | |
553 | try: |
|
553 | try: | |
554 | return pydoc.text.repr(value) |
|
554 | return pydoc.text.repr(value) | |
555 | except KeyboardInterrupt: |
|
555 | except KeyboardInterrupt: | |
556 | raise |
|
556 | raise | |
557 | except: |
|
557 | except: | |
558 | try: |
|
558 | try: | |
559 | return repr(value) |
|
559 | return repr(value) | |
560 | except KeyboardInterrupt: |
|
560 | except KeyboardInterrupt: | |
561 | raise |
|
561 | raise | |
562 | except: |
|
562 | except: | |
563 | try: |
|
563 | try: | |
564 | # all still in an except block so we catch |
|
564 | # all still in an except block so we catch | |
565 | # getattr raising |
|
565 | # getattr raising | |
566 | name = getattr(value, '__name__', None) |
|
566 | name = getattr(value, '__name__', None) | |
567 | if name: |
|
567 | if name: | |
568 | # ick, recursion |
|
568 | # ick, recursion | |
569 | return text_repr(name) |
|
569 | return text_repr(name) | |
570 | klass = getattr(value, '__class__', None) |
|
570 | klass = getattr(value, '__class__', None) | |
571 | if klass: |
|
571 | if klass: | |
572 | return '%s instance' % text_repr(klass) |
|
572 | return '%s instance' % text_repr(klass) | |
573 | except KeyboardInterrupt: |
|
573 | except KeyboardInterrupt: | |
574 | raise |
|
574 | raise | |
575 | except: |
|
575 | except: | |
576 | return 'UNRECOVERABLE REPR FAILURE' |
|
576 | return 'UNRECOVERABLE REPR FAILURE' | |
577 | def eqrepr(value, repr=text_repr): return '=%s' % repr(value) |
|
577 | def eqrepr(value, repr=text_repr): return '=%s' % repr(value) | |
578 | def nullrepr(value, repr=text_repr): return '' |
|
578 | def nullrepr(value, repr=text_repr): return '' | |
579 |
|
579 | |||
580 | # meat of the code begins |
|
580 | # meat of the code begins | |
581 | try: |
|
581 | try: | |
582 | etype = etype.__name__ |
|
582 | etype = etype.__name__ | |
583 | except AttributeError: |
|
583 | except AttributeError: | |
584 | pass |
|
584 | pass | |
585 |
|
585 | |||
586 | if self.long_header: |
|
586 | if self.long_header: | |
587 | # Header with the exception type, python version, and date |
|
587 | # Header with the exception type, python version, and date | |
588 | pyver = 'Python ' + string.split(sys.version)[0] + ': ' + sys.executable |
|
588 | pyver = 'Python ' + string.split(sys.version)[0] + ': ' + sys.executable | |
589 | date = time.ctime(time.time()) |
|
589 | date = time.ctime(time.time()) | |
590 |
|
590 | |||
591 | head = '%s%s%s\n%s%s%s\n%s' % (Colors.topline, '-'*75, ColorsNormal, |
|
591 | head = '%s%s%s\n%s%s%s\n%s' % (Colors.topline, '-'*75, ColorsNormal, | |
592 | exc, ' '*(75-len(str(etype))-len(pyver)), |
|
592 | exc, ' '*(75-len(str(etype))-len(pyver)), | |
593 | pyver, string.rjust(date, 75) ) |
|
593 | pyver, string.rjust(date, 75) ) | |
594 | head += "\nA problem occured executing Python code. Here is the sequence of function"\ |
|
594 | head += "\nA problem occured executing Python code. Here is the sequence of function"\ | |
595 | "\ncalls leading up to the error, with the most recent (innermost) call last." |
|
595 | "\ncalls leading up to the error, with the most recent (innermost) call last." | |
596 | else: |
|
596 | else: | |
597 | # Simplified header |
|
597 | # Simplified header | |
598 | head = '%s%s%s\n%s%s' % (Colors.topline, '-'*75, ColorsNormal,exc, |
|
598 | head = '%s%s%s\n%s%s' % (Colors.topline, '-'*75, ColorsNormal,exc, | |
599 | string.rjust('Traceback (most recent call last)', |
|
599 | string.rjust('Traceback (most recent call last)', | |
600 | 75 - len(str(etype)) ) ) |
|
600 | 75 - len(str(etype)) ) ) | |
601 | frames = [] |
|
601 | frames = [] | |
602 | # Flush cache before calling inspect. This helps alleviate some of the |
|
602 | # Flush cache before calling inspect. This helps alleviate some of the | |
603 | # problems with python 2.3's inspect.py. |
|
603 | # problems with python 2.3's inspect.py. | |
604 | linecache.checkcache() |
|
604 | linecache.checkcache() | |
605 | # Drop topmost frames if requested |
|
605 | # Drop topmost frames if requested | |
606 | try: |
|
606 | try: | |
607 | # Try the default getinnerframes and Alex's: Alex's fixes some |
|
607 | # Try the default getinnerframes and Alex's: Alex's fixes some | |
608 | # problems, but it generates empty tracebacks for console errors |
|
608 | # problems, but it generates empty tracebacks for console errors | |
609 | # (5 blanks lines) where none should be returned. |
|
609 | # (5 blanks lines) where none should be returned. | |
610 | #records = inspect.getinnerframes(etb, context)[self.tb_offset:] |
|
610 | #records = inspect.getinnerframes(etb, context)[self.tb_offset:] | |
611 | #print 'python records:', records # dbg |
|
611 | #print 'python records:', records # dbg | |
612 | records = _fixed_getinnerframes(etb, context,self.tb_offset) |
|
612 | records = _fixed_getinnerframes(etb, context,self.tb_offset) | |
613 | #print 'alex records:', records # dbg |
|
613 | #print 'alex records:', records # dbg | |
614 | except: |
|
614 | except: | |
615 |
|
615 | |||
616 | # FIXME: I've been getting many crash reports from python 2.3 |
|
616 | # FIXME: I've been getting many crash reports from python 2.3 | |
617 | # users, traceable to inspect.py. If I can find a small test-case |
|
617 | # users, traceable to inspect.py. If I can find a small test-case | |
618 | # to reproduce this, I should either write a better workaround or |
|
618 | # to reproduce this, I should either write a better workaround or | |
619 | # file a bug report against inspect (if that's the real problem). |
|
619 | # file a bug report against inspect (if that's the real problem). | |
620 | # So far, I haven't been able to find an isolated example to |
|
620 | # So far, I haven't been able to find an isolated example to | |
621 | # reproduce the problem. |
|
621 | # reproduce the problem. | |
622 | inspect_error() |
|
622 | inspect_error() | |
623 | traceback.print_exc(file=Term.cerr) |
|
623 | traceback.print_exc(file=Term.cerr) | |
624 | info('\nUnfortunately, your original traceback can not be constructed.\n') |
|
624 | info('\nUnfortunately, your original traceback can not be constructed.\n') | |
625 | return '' |
|
625 | return '' | |
626 |
|
626 | |||
627 | # build some color string templates outside these nested loops |
|
627 | # build some color string templates outside these nested loops | |
628 | tpl_link = '%s%%s%s' % (Colors.filenameEm,ColorsNormal) |
|
628 | tpl_link = '%s%%s%s' % (Colors.filenameEm,ColorsNormal) | |
629 | tpl_call = 'in %s%%s%s%%s%s' % (Colors.vName, Colors.valEm, |
|
629 | tpl_call = 'in %s%%s%s%%s%s' % (Colors.vName, Colors.valEm, | |
630 | ColorsNormal) |
|
630 | ColorsNormal) | |
631 | tpl_call_fail = 'in %s%%s%s(***failed resolving arguments***)%s' % \ |
|
631 | tpl_call_fail = 'in %s%%s%s(***failed resolving arguments***)%s' % \ | |
632 | (Colors.vName, Colors.valEm, ColorsNormal) |
|
632 | (Colors.vName, Colors.valEm, ColorsNormal) | |
633 | tpl_local_var = '%s%%s%s' % (Colors.vName, ColorsNormal) |
|
633 | tpl_local_var = '%s%%s%s' % (Colors.vName, ColorsNormal) | |
634 | tpl_global_var = '%sglobal%s %s%%s%s' % (Colors.em, ColorsNormal, |
|
634 | tpl_global_var = '%sglobal%s %s%%s%s' % (Colors.em, ColorsNormal, | |
635 | Colors.vName, ColorsNormal) |
|
635 | Colors.vName, ColorsNormal) | |
636 | tpl_name_val = '%%s %s= %%s%s' % (Colors.valEm, ColorsNormal) |
|
636 | tpl_name_val = '%%s %s= %%s%s' % (Colors.valEm, ColorsNormal) | |
637 | tpl_line = '%s%%s%s %%s' % (Colors.lineno, ColorsNormal) |
|
637 | tpl_line = '%s%%s%s %%s' % (Colors.lineno, ColorsNormal) | |
638 | tpl_line_em = '%s%%s%s %%s%s' % (Colors.linenoEm,Colors.line, |
|
638 | tpl_line_em = '%s%%s%s %%s%s' % (Colors.linenoEm,Colors.line, | |
639 | ColorsNormal) |
|
639 | ColorsNormal) | |
640 |
|
640 | |||
641 | # now, loop over all records printing context and info |
|
641 | # now, loop over all records printing context and info | |
642 | abspath = os.path.abspath |
|
642 | abspath = os.path.abspath | |
643 | for frame, file, lnum, func, lines, index in records: |
|
643 | for frame, file, lnum, func, lines, index in records: | |
644 | #print '*** record:',file,lnum,func,lines,index # dbg |
|
644 | #print '*** record:',file,lnum,func,lines,index # dbg | |
645 | try: |
|
645 | try: | |
646 | file = file and abspath(file) or '?' |
|
646 | file = file and abspath(file) or '?' | |
647 | except OSError: |
|
647 | except OSError: | |
648 | # if file is '<console>' or something not in the filesystem, |
|
648 | # if file is '<console>' or something not in the filesystem, | |
649 | # the abspath call will throw an OSError. Just ignore it and |
|
649 | # the abspath call will throw an OSError. Just ignore it and | |
650 | # keep the original file string. |
|
650 | # keep the original file string. | |
651 | pass |
|
651 | pass | |
652 | link = tpl_link % file |
|
652 | link = tpl_link % file | |
653 | try: |
|
653 | try: | |
654 | args, varargs, varkw, locals = inspect.getargvalues(frame) |
|
654 | args, varargs, varkw, locals = inspect.getargvalues(frame) | |
655 | except: |
|
655 | except: | |
656 | # This can happen due to a bug in python2.3. We should be |
|
656 | # This can happen due to a bug in python2.3. We should be | |
657 | # able to remove this try/except when 2.4 becomes a |
|
657 | # able to remove this try/except when 2.4 becomes a | |
658 | # requirement. Bug details at http://python.org/sf/1005466 |
|
658 | # requirement. Bug details at http://python.org/sf/1005466 | |
659 | inspect_error() |
|
659 | inspect_error() | |
660 | traceback.print_exc(file=Term.cerr) |
|
660 | traceback.print_exc(file=Term.cerr) | |
661 | info("\nIPython's exception reporting continues...\n") |
|
661 | info("\nIPython's exception reporting continues...\n") | |
662 |
|
662 | |||
663 | if func == '?': |
|
663 | if func == '?': | |
664 | call = '' |
|
664 | call = '' | |
665 | else: |
|
665 | else: | |
666 | # Decide whether to include variable details or not |
|
666 | # Decide whether to include variable details or not | |
667 | var_repr = self.include_vars and eqrepr or nullrepr |
|
667 | var_repr = self.include_vars and eqrepr or nullrepr | |
668 | try: |
|
668 | try: | |
669 | call = tpl_call % (func,inspect.formatargvalues(args, |
|
669 | call = tpl_call % (func,inspect.formatargvalues(args, | |
670 | varargs, varkw, |
|
670 | varargs, varkw, | |
671 | locals,formatvalue=var_repr)) |
|
671 | locals,formatvalue=var_repr)) | |
672 | except KeyError: |
|
672 | except KeyError: | |
673 | # Very odd crash from inspect.formatargvalues(). The |
|
673 | # Very odd crash from inspect.formatargvalues(). The | |
674 | # scenario under which it appeared was a call to |
|
674 | # scenario under which it appeared was a call to | |
675 | # view(array,scale) in NumTut.view.view(), where scale had |
|
675 | # view(array,scale) in NumTut.view.view(), where scale had | |
676 | # been defined as a scalar (it should be a tuple). Somehow |
|
676 | # been defined as a scalar (it should be a tuple). Somehow | |
677 | # inspect messes up resolving the argument list of view() |
|
677 | # inspect messes up resolving the argument list of view() | |
678 | # and barfs out. At some point I should dig into this one |
|
678 | # and barfs out. At some point I should dig into this one | |
679 | # and file a bug report about it. |
|
679 | # and file a bug report about it. | |
680 | inspect_error() |
|
680 | inspect_error() | |
681 | traceback.print_exc(file=Term.cerr) |
|
681 | traceback.print_exc(file=Term.cerr) | |
682 | info("\nIPython's exception reporting continues...\n") |
|
682 | info("\nIPython's exception reporting continues...\n") | |
683 | call = tpl_call_fail % func |
|
683 | call = tpl_call_fail % func | |
684 |
|
684 | |||
685 | # Initialize a list of names on the current line, which the |
|
685 | # Initialize a list of names on the current line, which the | |
686 | # tokenizer below will populate. |
|
686 | # tokenizer below will populate. | |
687 | names = [] |
|
687 | names = [] | |
688 |
|
688 | |||
689 | def tokeneater(token_type, token, start, end, line): |
|
689 | def tokeneater(token_type, token, start, end, line): | |
690 | """Stateful tokeneater which builds dotted names. |
|
690 | """Stateful tokeneater which builds dotted names. | |
691 |
|
691 | |||
692 | The list of names it appends to (from the enclosing scope) can |
|
692 | The list of names it appends to (from the enclosing scope) can | |
693 | contain repeated composite names. This is unavoidable, since |
|
693 | contain repeated composite names. This is unavoidable, since | |
694 | there is no way to disambguate partial dotted structures until |
|
694 | there is no way to disambguate partial dotted structures until | |
695 | the full list is known. The caller is responsible for pruning |
|
695 | the full list is known. The caller is responsible for pruning | |
696 | the final list of duplicates before using it.""" |
|
696 | the final list of duplicates before using it.""" | |
697 |
|
697 | |||
698 | # build composite names |
|
698 | # build composite names | |
699 | if token == '.': |
|
699 | if token == '.': | |
700 | try: |
|
700 | try: | |
701 | names[-1] += '.' |
|
701 | names[-1] += '.' | |
702 | # store state so the next token is added for x.y.z names |
|
702 | # store state so the next token is added for x.y.z names | |
703 | tokeneater.name_cont = True |
|
703 | tokeneater.name_cont = True | |
704 | return |
|
704 | return | |
705 | except IndexError: |
|
705 | except IndexError: | |
706 | pass |
|
706 | pass | |
707 | if token_type == tokenize.NAME and token not in keyword.kwlist: |
|
707 | if token_type == tokenize.NAME and token not in keyword.kwlist: | |
708 | if tokeneater.name_cont: |
|
708 | if tokeneater.name_cont: | |
709 | # Dotted names |
|
709 | # Dotted names | |
710 | names[-1] += token |
|
710 | names[-1] += token | |
711 | tokeneater.name_cont = False |
|
711 | tokeneater.name_cont = False | |
712 | else: |
|
712 | else: | |
713 | # Regular new names. We append everything, the caller |
|
713 | # Regular new names. We append everything, the caller | |
714 | # will be responsible for pruning the list later. It's |
|
714 | # will be responsible for pruning the list later. It's | |
715 | # very tricky to try to prune as we go, b/c composite |
|
715 | # very tricky to try to prune as we go, b/c composite | |
716 | # names can fool us. The pruning at the end is easy |
|
716 | # names can fool us. The pruning at the end is easy | |
717 | # to do (or the caller can print a list with repeated |
|
717 | # to do (or the caller can print a list with repeated | |
718 | # names if so desired. |
|
718 | # names if so desired. | |
719 | names.append(token) |
|
719 | names.append(token) | |
720 | elif token_type == tokenize.NEWLINE: |
|
720 | elif token_type == tokenize.NEWLINE: | |
721 | raise IndexError |
|
721 | raise IndexError | |
722 | # we need to store a bit of state in the tokenizer to build |
|
722 | # we need to store a bit of state in the tokenizer to build | |
723 | # dotted names |
|
723 | # dotted names | |
724 | tokeneater.name_cont = False |
|
724 | tokeneater.name_cont = False | |
725 |
|
725 | |||
726 | def linereader(file=file, lnum=[lnum], getline=linecache.getline): |
|
726 | def linereader(file=file, lnum=[lnum], getline=linecache.getline): | |
727 | line = getline(file, lnum[0]) |
|
727 | line = getline(file, lnum[0]) | |
728 | lnum[0] += 1 |
|
728 | lnum[0] += 1 | |
729 | return line |
|
729 | return line | |
730 |
|
730 | |||
731 | # Build the list of names on this line of code where the exception |
|
731 | # Build the list of names on this line of code where the exception | |
732 | # occurred. |
|
732 | # occurred. | |
733 | try: |
|
733 | try: | |
734 | # This builds the names list in-place by capturing it from the |
|
734 | # This builds the names list in-place by capturing it from the | |
735 | # enclosing scope. |
|
735 | # enclosing scope. | |
736 | tokenize.tokenize(linereader, tokeneater) |
|
736 | tokenize.tokenize(linereader, tokeneater) | |
737 | except IndexError: |
|
737 | except IndexError: | |
738 | # signals exit of tokenizer |
|
738 | # signals exit of tokenizer | |
739 | pass |
|
739 | pass | |
740 | except tokenize.TokenError,msg: |
|
740 | except tokenize.TokenError,msg: | |
741 | _m = ("An unexpected error occurred while tokenizing input\n" |
|
741 | _m = ("An unexpected error occurred while tokenizing input\n" | |
742 | "The following traceback may be corrupted or invalid\n" |
|
742 | "The following traceback may be corrupted or invalid\n" | |
743 | "The error message is: %s\n" % msg) |
|
743 | "The error message is: %s\n" % msg) | |
744 | error(_m) |
|
744 | error(_m) | |
745 |
|
745 | |||
746 | # prune names list of duplicates, but keep the right order |
|
746 | # prune names list of duplicates, but keep the right order | |
747 | unique_names = uniq_stable(names) |
|
747 | unique_names = uniq_stable(names) | |
748 |
|
748 | |||
749 | # Start loop over vars |
|
749 | # Start loop over vars | |
750 | lvals = [] |
|
750 | lvals = [] | |
751 | if self.include_vars: |
|
751 | if self.include_vars: | |
752 | for name_full in unique_names: |
|
752 | for name_full in unique_names: | |
753 | name_base = name_full.split('.',1)[0] |
|
753 | name_base = name_full.split('.',1)[0] | |
754 | if name_base in frame.f_code.co_varnames: |
|
754 | if name_base in frame.f_code.co_varnames: | |
755 | if locals.has_key(name_base): |
|
755 | if locals.has_key(name_base): | |
756 | try: |
|
756 | try: | |
757 | value = repr(eval(name_full,locals)) |
|
757 | value = repr(eval(name_full,locals)) | |
758 | except: |
|
758 | except: | |
759 | value = undefined |
|
759 | value = undefined | |
760 | else: |
|
760 | else: | |
761 | value = undefined |
|
761 | value = undefined | |
762 | name = tpl_local_var % name_full |
|
762 | name = tpl_local_var % name_full | |
763 | else: |
|
763 | else: | |
764 | if frame.f_globals.has_key(name_base): |
|
764 | if frame.f_globals.has_key(name_base): | |
765 | try: |
|
765 | try: | |
766 | value = repr(eval(name_full,frame.f_globals)) |
|
766 | value = repr(eval(name_full,frame.f_globals)) | |
767 | except: |
|
767 | except: | |
768 | value = undefined |
|
768 | value = undefined | |
769 | else: |
|
769 | else: | |
770 | value = undefined |
|
770 | value = undefined | |
771 | name = tpl_global_var % name_full |
|
771 | name = tpl_global_var % name_full | |
772 | lvals.append(tpl_name_val % (name,value)) |
|
772 | lvals.append(tpl_name_val % (name,value)) | |
773 | if lvals: |
|
773 | if lvals: | |
774 | lvals = '%s%s' % (indent,em_normal.join(lvals)) |
|
774 | lvals = '%s%s' % (indent,em_normal.join(lvals)) | |
775 | else: |
|
775 | else: | |
776 | lvals = '' |
|
776 | lvals = '' | |
777 |
|
777 | |||
778 | level = '%s %s\n' % (link,call) |
|
778 | level = '%s %s\n' % (link,call) | |
779 |
|
779 | |||
780 | if index is None: |
|
780 | if index is None: | |
781 | frames.append(level) |
|
781 | frames.append(level) | |
782 | else: |
|
782 | else: | |
783 | frames.append('%s%s' % (level,''.join( |
|
783 | frames.append('%s%s' % (level,''.join( | |
784 | _formatTracebackLines(lnum,index,lines,Colors,lvals, |
|
784 | _formatTracebackLines(lnum,index,lines,Colors,lvals, | |
785 | col_scheme)))) |
|
785 | col_scheme)))) | |
786 |
|
786 | |||
787 | # Get (safely) a string form of the exception info |
|
787 | # Get (safely) a string form of the exception info | |
788 | try: |
|
788 | try: | |
789 | etype_str,evalue_str = map(str,(etype,evalue)) |
|
789 | etype_str,evalue_str = map(str,(etype,evalue)) | |
790 | except: |
|
790 | except: | |
791 | # User exception is improperly defined. |
|
791 | # User exception is improperly defined. | |
792 | etype,evalue = str,sys.exc_info()[:2] |
|
792 | etype,evalue = str,sys.exc_info()[:2] | |
793 | etype_str,evalue_str = map(str,(etype,evalue)) |
|
793 | etype_str,evalue_str = map(str,(etype,evalue)) | |
794 | # ... and format it |
|
794 | # ... and format it | |
795 | exception = ['%s%s%s: %s' % (Colors.excName, etype_str, |
|
795 | exception = ['%s%s%s: %s' % (Colors.excName, etype_str, | |
796 | ColorsNormal, evalue_str)] |
|
796 | ColorsNormal, evalue_str)] | |
797 | if type(evalue) is types.InstanceType: |
|
797 | if type(evalue) is types.InstanceType: | |
798 | try: |
|
798 | try: | |
799 | names = [w for w in dir(evalue) if isinstance(w, basestring)] |
|
799 | names = [w for w in dir(evalue) if isinstance(w, basestring)] | |
800 | except: |
|
800 | except: | |
801 | # Every now and then, an object with funny inernals blows up |
|
801 | # Every now and then, an object with funny inernals blows up | |
802 | # when dir() is called on it. We do the best we can to report |
|
802 | # when dir() is called on it. We do the best we can to report | |
803 | # the problem and continue |
|
803 | # the problem and continue | |
804 | _m = '%sException reporting error (object with broken dir())%s:' |
|
804 | _m = '%sException reporting error (object with broken dir())%s:' | |
805 | exception.append(_m % (Colors.excName,ColorsNormal)) |
|
805 | exception.append(_m % (Colors.excName,ColorsNormal)) | |
806 | etype_str,evalue_str = map(str,sys.exc_info()[:2]) |
|
806 | etype_str,evalue_str = map(str,sys.exc_info()[:2]) | |
807 | exception.append('%s%s%s: %s' % (Colors.excName,etype_str, |
|
807 | exception.append('%s%s%s: %s' % (Colors.excName,etype_str, | |
808 | ColorsNormal, evalue_str)) |
|
808 | ColorsNormal, evalue_str)) | |
809 | names = [] |
|
809 | names = [] | |
810 | for name in names: |
|
810 | for name in names: | |
811 | value = text_repr(getattr(evalue, name)) |
|
811 | value = text_repr(getattr(evalue, name)) | |
812 | exception.append('\n%s%s = %s' % (indent, name, value)) |
|
812 | exception.append('\n%s%s = %s' % (indent, name, value)) | |
813 |
|
813 | |||
814 | # This is being commented out for now as the __IPYTHON__ variable |
|
814 | # This is being commented out for now as the __IPYTHON__ variable | |
815 | # referenced here is not resolved and causes massive test failures |
|
815 | # referenced here is not resolved and causes massive test failures | |
816 | # and errors. B. Granger, 04/2009. XXX |
|
816 | # and errors. B. Granger, 04/2009. XXX | |
817 | # See https://bugs.launchpad.net/bugs/362137 |
|
817 | # See https://bugs.launchpad.net/bugs/362137 | |
818 | # # vds: >> |
|
818 | # # vds: >> | |
819 | # if records: |
|
819 | # if records: | |
820 | # filepath, lnum = records[-1][1:3] |
|
820 | # filepath, lnum = records[-1][1:3] | |
821 | # #print "file:", str(file), "linenb", str(lnum) # dbg |
|
821 | # #print "file:", str(file), "linenb", str(lnum) # dbg | |
822 | # filepath = os.path.abspath(filepath) |
|
822 | # filepath = os.path.abspath(filepath) | |
823 | # __IPYTHON__.hooks.synchronize_with_editor(filepath, lnum, 0) |
|
823 | # __IPYTHON__.hooks.synchronize_with_editor(filepath, lnum, 0) | |
824 | # # vds: << |
|
824 | # # vds: << | |
825 |
|
825 | |||
826 | # return all our info assembled as a single string |
|
826 | # return all our info assembled as a single string | |
827 | return '%s\n\n%s\n%s' % (head,'\n'.join(frames),''.join(exception[0]) ) |
|
827 | return '%s\n\n%s\n%s' % (head,'\n'.join(frames),''.join(exception[0]) ) | |
828 |
|
828 | |||
829 | def debugger(self,force=False): |
|
829 | def debugger(self,force=False): | |
830 | """Call up the pdb debugger if desired, always clean up the tb |
|
830 | """Call up the pdb debugger if desired, always clean up the tb | |
831 | reference. |
|
831 | reference. | |
832 |
|
832 | |||
833 | Keywords: |
|
833 | Keywords: | |
834 |
|
834 | |||
835 | - force(False): by default, this routine checks the instance call_pdb |
|
835 | - force(False): by default, this routine checks the instance call_pdb | |
836 | flag and does not actually invoke the debugger if the flag is false. |
|
836 | flag and does not actually invoke the debugger if the flag is false. | |
837 | The 'force' option forces the debugger to activate even if the flag |
|
837 | The 'force' option forces the debugger to activate even if the flag | |
838 | is false. |
|
838 | is false. | |
839 |
|
839 | |||
840 | If the call_pdb flag is set, the pdb interactive debugger is |
|
840 | If the call_pdb flag is set, the pdb interactive debugger is | |
841 | invoked. In all cases, the self.tb reference to the current traceback |
|
841 | invoked. In all cases, the self.tb reference to the current traceback | |
842 | is deleted to prevent lingering references which hamper memory |
|
842 | is deleted to prevent lingering references which hamper memory | |
843 | management. |
|
843 | management. | |
844 |
|
844 | |||
845 | Note that each call to pdb() does an 'import readline', so if your app |
|
845 | Note that each call to pdb() does an 'import readline', so if your app | |
846 | requires a special setup for the readline completers, you'll have to |
|
846 | requires a special setup for the readline completers, you'll have to | |
847 | fix that by hand after invoking the exception handler.""" |
|
847 | fix that by hand after invoking the exception handler.""" | |
848 |
|
848 | |||
849 | if force or self.call_pdb: |
|
849 | if force or self.call_pdb: | |
850 | if self.pdb is None: |
|
850 | if self.pdb is None: | |
851 | self.pdb = debugger.Pdb( |
|
851 | self.pdb = debugger.Pdb( | |
852 | self.color_scheme_table.active_scheme_name) |
|
852 | self.color_scheme_table.active_scheme_name) | |
853 | # the system displayhook may have changed, restore the original |
|
853 | # the system displayhook may have changed, restore the original | |
854 | # for pdb |
|
854 | # for pdb | |
855 | dhook = sys.displayhook |
|
855 | dhook = sys.displayhook | |
856 | sys.displayhook = sys.__displayhook__ |
|
856 | sys.displayhook = sys.__displayhook__ | |
857 | self.pdb.reset() |
|
857 | self.pdb.reset() | |
858 | # Find the right frame so we don't pop up inside ipython itself |
|
858 | # Find the right frame so we don't pop up inside ipython itself | |
859 | if hasattr(self,'tb'): |
|
859 | if hasattr(self,'tb'): | |
860 | etb = self.tb |
|
860 | etb = self.tb | |
861 | else: |
|
861 | else: | |
862 | etb = self.tb = sys.last_traceback |
|
862 | etb = self.tb = sys.last_traceback | |
863 | while self.tb.tb_next is not None: |
|
863 | while self.tb.tb_next is not None: | |
864 | self.tb = self.tb.tb_next |
|
864 | self.tb = self.tb.tb_next | |
865 | try: |
|
865 | try: | |
866 | if etb and etb.tb_next: |
|
866 | if etb and etb.tb_next: | |
867 | etb = etb.tb_next |
|
867 | etb = etb.tb_next | |
868 | self.pdb.botframe = etb.tb_frame |
|
868 | self.pdb.botframe = etb.tb_frame | |
869 | self.pdb.interaction(self.tb.tb_frame, self.tb) |
|
869 | self.pdb.interaction(self.tb.tb_frame, self.tb) | |
870 | finally: |
|
870 | finally: | |
871 | sys.displayhook = dhook |
|
871 | sys.displayhook = dhook | |
872 |
|
872 | |||
873 | if hasattr(self,'tb'): |
|
873 | if hasattr(self,'tb'): | |
874 | del self.tb |
|
874 | del self.tb | |
875 |
|
875 | |||
876 | def handler(self, info=None): |
|
876 | def handler(self, info=None): | |
877 | (etype, evalue, etb) = info or sys.exc_info() |
|
877 | (etype, evalue, etb) = info or sys.exc_info() | |
878 | self.tb = etb |
|
878 | self.tb = etb | |
879 | Term.cout.flush() |
|
879 | Term.cout.flush() | |
880 | print >> Term.cerr, self.text(etype, evalue, etb) |
|
880 | print >> Term.cerr, self.text(etype, evalue, etb) | |
881 | Term.cerr.flush() |
|
881 | Term.cerr.flush() | |
882 |
|
882 | |||
883 | # Changed so an instance can just be called as VerboseTB_inst() and print |
|
883 | # Changed so an instance can just be called as VerboseTB_inst() and print | |
884 | # out the right info on its own. |
|
884 | # out the right info on its own. | |
885 | def __call__(self, etype=None, evalue=None, etb=None): |
|
885 | def __call__(self, etype=None, evalue=None, etb=None): | |
886 | """This hook can replace sys.excepthook (for Python 2.1 or higher).""" |
|
886 | """This hook can replace sys.excepthook (for Python 2.1 or higher).""" | |
887 | if etb is None: |
|
887 | if etb is None: | |
888 | self.handler() |
|
888 | self.handler() | |
889 | else: |
|
889 | else: | |
890 | self.handler((etype, evalue, etb)) |
|
890 | self.handler((etype, evalue, etb)) | |
891 | try: |
|
891 | try: | |
892 | self.debugger() |
|
892 | self.debugger() | |
893 | except KeyboardInterrupt: |
|
893 | except KeyboardInterrupt: | |
894 | print "\nKeyboardInterrupt" |
|
894 | print "\nKeyboardInterrupt" | |
895 |
|
895 | |||
896 | #---------------------------------------------------------------------------- |
|
896 | #---------------------------------------------------------------------------- | |
897 | class FormattedTB(VerboseTB,ListTB): |
|
897 | class FormattedTB(VerboseTB,ListTB): | |
898 | """Subclass ListTB but allow calling with a traceback. |
|
898 | """Subclass ListTB but allow calling with a traceback. | |
899 |
|
899 | |||
900 | It can thus be used as a sys.excepthook for Python > 2.1. |
|
900 | It can thus be used as a sys.excepthook for Python > 2.1. | |
901 |
|
901 | |||
902 | Also adds 'Context' and 'Verbose' modes, not available in ListTB. |
|
902 | Also adds 'Context' and 'Verbose' modes, not available in ListTB. | |
903 |
|
903 | |||
904 | Allows a tb_offset to be specified. This is useful for situations where |
|
904 | Allows a tb_offset to be specified. This is useful for situations where | |
905 | one needs to remove a number of topmost frames from the traceback (such as |
|
905 | one needs to remove a number of topmost frames from the traceback (such as | |
906 | occurs with python programs that themselves execute other python code, |
|
906 | occurs with python programs that themselves execute other python code, | |
907 | like Python shells). """ |
|
907 | like Python shells). """ | |
908 |
|
908 | |||
909 | def __init__(self, mode = 'Plain', color_scheme='Linux', |
|
909 | def __init__(self, mode = 'Plain', color_scheme='Linux', | |
910 | tb_offset = 0,long_header=0,call_pdb=0,include_vars=0): |
|
910 | tb_offset = 0,long_header=0,call_pdb=0,include_vars=0): | |
911 |
|
911 | |||
912 | # NEVER change the order of this list. Put new modes at the end: |
|
912 | # NEVER change the order of this list. Put new modes at the end: | |
913 | self.valid_modes = ['Plain','Context','Verbose'] |
|
913 | self.valid_modes = ['Plain','Context','Verbose'] | |
914 | self.verbose_modes = self.valid_modes[1:3] |
|
914 | self.verbose_modes = self.valid_modes[1:3] | |
915 |
|
915 | |||
916 | VerboseTB.__init__(self,color_scheme,tb_offset,long_header, |
|
916 | VerboseTB.__init__(self,color_scheme,tb_offset,long_header, | |
917 | call_pdb=call_pdb,include_vars=include_vars) |
|
917 | call_pdb=call_pdb,include_vars=include_vars) | |
918 | self.set_mode(mode) |
|
918 | self.set_mode(mode) | |
919 |
|
919 | |||
920 | def _extract_tb(self,tb): |
|
920 | def _extract_tb(self,tb): | |
921 | if tb: |
|
921 | if tb: | |
922 | return traceback.extract_tb(tb) |
|
922 | return traceback.extract_tb(tb) | |
923 | else: |
|
923 | else: | |
924 | return None |
|
924 | return None | |
925 |
|
925 | |||
926 | def text(self, etype, value, tb,context=5,mode=None): |
|
926 | def text(self, etype, value, tb,context=5,mode=None): | |
927 | """Return formatted traceback. |
|
927 | """Return formatted traceback. | |
928 |
|
928 | |||
929 | If the optional mode parameter is given, it overrides the current |
|
929 | If the optional mode parameter is given, it overrides the current | |
930 | mode.""" |
|
930 | mode.""" | |
931 |
|
931 | |||
932 | if mode is None: |
|
932 | if mode is None: | |
933 | mode = self.mode |
|
933 | mode = self.mode | |
934 | if mode in self.verbose_modes: |
|
934 | if mode in self.verbose_modes: | |
935 | # verbose modes need a full traceback |
|
935 | # verbose modes need a full traceback | |
936 | return VerboseTB.text(self,etype, value, tb,context=5) |
|
936 | return VerboseTB.text(self,etype, value, tb,context=5) | |
937 | else: |
|
937 | else: | |
938 | # We must check the source cache because otherwise we can print |
|
938 | # We must check the source cache because otherwise we can print | |
939 | # out-of-date source code. |
|
939 | # out-of-date source code. | |
940 | linecache.checkcache() |
|
940 | linecache.checkcache() | |
941 | # Now we can extract and format the exception |
|
941 | # Now we can extract and format the exception | |
942 | elist = self._extract_tb(tb) |
|
942 | elist = self._extract_tb(tb) | |
943 | if len(elist) > self.tb_offset: |
|
943 | if len(elist) > self.tb_offset: | |
944 | del elist[:self.tb_offset] |
|
944 | del elist[:self.tb_offset] | |
945 | return ListTB.text(self,etype,value,elist) |
|
945 | return ListTB.text(self,etype,value,elist) | |
946 |
|
946 | |||
947 | def set_mode(self,mode=None): |
|
947 | def set_mode(self,mode=None): | |
948 | """Switch to the desired mode. |
|
948 | """Switch to the desired mode. | |
949 |
|
949 | |||
950 | If mode is not specified, cycles through the available modes.""" |
|
950 | If mode is not specified, cycles through the available modes.""" | |
951 |
|
951 | |||
952 | if not mode: |
|
952 | if not mode: | |
953 | new_idx = ( self.valid_modes.index(self.mode) + 1 ) % \ |
|
953 | new_idx = ( self.valid_modes.index(self.mode) + 1 ) % \ | |
954 | len(self.valid_modes) |
|
954 | len(self.valid_modes) | |
955 | self.mode = self.valid_modes[new_idx] |
|
955 | self.mode = self.valid_modes[new_idx] | |
956 | elif mode not in self.valid_modes: |
|
956 | elif mode not in self.valid_modes: | |
957 | raise ValueError, 'Unrecognized mode in FormattedTB: <'+mode+'>\n'\ |
|
957 | raise ValueError, 'Unrecognized mode in FormattedTB: <'+mode+'>\n'\ | |
958 | 'Valid modes: '+str(self.valid_modes) |
|
958 | 'Valid modes: '+str(self.valid_modes) | |
959 | else: |
|
959 | else: | |
960 | self.mode = mode |
|
960 | self.mode = mode | |
961 | # include variable details only in 'Verbose' mode |
|
961 | # include variable details only in 'Verbose' mode | |
962 | self.include_vars = (self.mode == self.valid_modes[2]) |
|
962 | self.include_vars = (self.mode == self.valid_modes[2]) | |
963 |
|
963 | |||
964 | # some convenient shorcuts |
|
964 | # some convenient shorcuts | |
965 | def plain(self): |
|
965 | def plain(self): | |
966 | self.set_mode(self.valid_modes[0]) |
|
966 | self.set_mode(self.valid_modes[0]) | |
967 |
|
967 | |||
968 | def context(self): |
|
968 | def context(self): | |
969 | self.set_mode(self.valid_modes[1]) |
|
969 | self.set_mode(self.valid_modes[1]) | |
970 |
|
970 | |||
971 | def verbose(self): |
|
971 | def verbose(self): | |
972 | self.set_mode(self.valid_modes[2]) |
|
972 | self.set_mode(self.valid_modes[2]) | |
973 |
|
973 | |||
974 | #---------------------------------------------------------------------------- |
|
974 | #---------------------------------------------------------------------------- | |
975 | class AutoFormattedTB(FormattedTB): |
|
975 | class AutoFormattedTB(FormattedTB): | |
976 | """A traceback printer which can be called on the fly. |
|
976 | """A traceback printer which can be called on the fly. | |
977 |
|
977 | |||
978 | It will find out about exceptions by itself. |
|
978 | It will find out about exceptions by itself. | |
979 |
|
979 | |||
980 | A brief example: |
|
980 | A brief example: | |
981 |
|
981 | |||
982 | AutoTB = AutoFormattedTB(mode = 'Verbose',color_scheme='Linux') |
|
982 | AutoTB = AutoFormattedTB(mode = 'Verbose',color_scheme='Linux') | |
983 | try: |
|
983 | try: | |
984 | ... |
|
984 | ... | |
985 | except: |
|
985 | except: | |
986 | AutoTB() # or AutoTB(out=logfile) where logfile is an open file object |
|
986 | AutoTB() # or AutoTB(out=logfile) where logfile is an open file object | |
987 | """ |
|
987 | """ | |
988 | def __call__(self,etype=None,evalue=None,etb=None, |
|
988 | def __call__(self,etype=None,evalue=None,etb=None, | |
989 | out=None,tb_offset=None): |
|
989 | out=None,tb_offset=None): | |
990 | """Print out a formatted exception traceback. |
|
990 | """Print out a formatted exception traceback. | |
991 |
|
991 | |||
992 | Optional arguments: |
|
992 | Optional arguments: | |
993 | - out: an open file-like object to direct output to. |
|
993 | - out: an open file-like object to direct output to. | |
994 |
|
994 | |||
995 | - tb_offset: the number of frames to skip over in the stack, on a |
|
995 | - tb_offset: the number of frames to skip over in the stack, on a | |
996 | per-call basis (this overrides temporarily the instance's tb_offset |
|
996 | per-call basis (this overrides temporarily the instance's tb_offset | |
997 | given at initialization time. """ |
|
997 | given at initialization time. """ | |
998 |
|
998 | |||
999 | if out is None: |
|
999 | if out is None: | |
1000 | out = Term.cerr |
|
1000 | out = Term.cerr | |
1001 | Term.cout.flush() |
|
1001 | Term.cout.flush() | |
1002 | if tb_offset is not None: |
|
1002 | if tb_offset is not None: | |
1003 | tb_offset, self.tb_offset = self.tb_offset, tb_offset |
|
1003 | tb_offset, self.tb_offset = self.tb_offset, tb_offset | |
1004 | print >> out, self.text(etype, evalue, etb) |
|
1004 | print >> out, self.text(etype, evalue, etb) | |
1005 | self.tb_offset = tb_offset |
|
1005 | self.tb_offset = tb_offset | |
1006 | else: |
|
1006 | else: | |
1007 | print >> out, self.text(etype, evalue, etb) |
|
1007 | print >> out, self.text(etype, evalue, etb) | |
1008 | out.flush() |
|
1008 | out.flush() | |
1009 | try: |
|
1009 | try: | |
1010 | self.debugger() |
|
1010 | self.debugger() | |
1011 | except KeyboardInterrupt: |
|
1011 | except KeyboardInterrupt: | |
1012 | print "\nKeyboardInterrupt" |
|
1012 | print "\nKeyboardInterrupt" | |
1013 |
|
1013 | |||
1014 | def text(self,etype=None,value=None,tb=None,context=5,mode=None): |
|
1014 | def text(self,etype=None,value=None,tb=None,context=5,mode=None): | |
1015 | if etype is None: |
|
1015 | if etype is None: | |
1016 | etype,value,tb = sys.exc_info() |
|
1016 | etype,value,tb = sys.exc_info() | |
1017 | self.tb = tb |
|
1017 | self.tb = tb | |
1018 | return FormattedTB.text(self,etype,value,tb,context=5,mode=mode) |
|
1018 | return FormattedTB.text(self,etype,value,tb,context=5,mode=mode) | |
1019 |
|
1019 | |||
1020 | #--------------------------------------------------------------------------- |
|
1020 | #--------------------------------------------------------------------------- | |
1021 | # A simple class to preserve Nathan's original functionality. |
|
1021 | # A simple class to preserve Nathan's original functionality. | |
1022 | class ColorTB(FormattedTB): |
|
1022 | class ColorTB(FormattedTB): | |
1023 | """Shorthand to initialize a FormattedTB in Linux colors mode.""" |
|
1023 | """Shorthand to initialize a FormattedTB in Linux colors mode.""" | |
1024 | def __init__(self,color_scheme='Linux',call_pdb=0): |
|
1024 | def __init__(self,color_scheme='Linux',call_pdb=0): | |
1025 | FormattedTB.__init__(self,color_scheme=color_scheme, |
|
1025 | FormattedTB.__init__(self,color_scheme=color_scheme, | |
1026 | call_pdb=call_pdb) |
|
1026 | call_pdb=call_pdb) | |
1027 |
|
1027 | |||
1028 | #---------------------------------------------------------------------------- |
|
1028 | #---------------------------------------------------------------------------- | |
1029 | # module testing (minimal) |
|
1029 | # module testing (minimal) | |
1030 | if __name__ == "__main__": |
|
1030 | if __name__ == "__main__": | |
1031 | def spam(c, (d, e)): |
|
1031 | def spam(c, (d, e)): | |
1032 | x = c + d |
|
1032 | x = c + d | |
1033 | y = c * d |
|
1033 | y = c * d | |
1034 | foo(x, y) |
|
1034 | foo(x, y) | |
1035 |
|
1035 | |||
1036 | def foo(a, b, bar=1): |
|
1036 | def foo(a, b, bar=1): | |
1037 | eggs(a, b + bar) |
|
1037 | eggs(a, b + bar) | |
1038 |
|
1038 | |||
1039 | def eggs(f, g, z=globals()): |
|
1039 | def eggs(f, g, z=globals()): | |
1040 | h = f + g |
|
1040 | h = f + g | |
1041 | i = f - g |
|
1041 | i = f - g | |
1042 | return h / i |
|
1042 | return h / i | |
1043 |
|
1043 | |||
1044 | print '' |
|
1044 | print '' | |
1045 | print '*** Before ***' |
|
1045 | print '*** Before ***' | |
1046 | try: |
|
1046 | try: | |
1047 | print spam(1, (2, 3)) |
|
1047 | print spam(1, (2, 3)) | |
1048 | except: |
|
1048 | except: | |
1049 | traceback.print_exc() |
|
1049 | traceback.print_exc() | |
1050 | print '' |
|
1050 | print '' | |
1051 |
|
1051 | |||
1052 | handler = ColorTB() |
|
1052 | handler = ColorTB() | |
1053 | print '*** ColorTB ***' |
|
1053 | print '*** ColorTB ***' | |
1054 | try: |
|
1054 | try: | |
1055 | print spam(1, (2, 3)) |
|
1055 | print spam(1, (2, 3)) | |
1056 | except: |
|
1056 | except: | |
1057 | apply(handler, sys.exc_info() ) |
|
1057 | apply(handler, sys.exc_info() ) | |
1058 | print '' |
|
1058 | print '' | |
1059 |
|
1059 | |||
1060 | handler = VerboseTB() |
|
1060 | handler = VerboseTB() | |
1061 | print '*** VerboseTB ***' |
|
1061 | print '*** VerboseTB ***' | |
1062 | try: |
|
1062 | try: | |
1063 | print spam(1, (2, 3)) |
|
1063 | print spam(1, (2, 3)) | |
1064 | except: |
|
1064 | except: | |
1065 | apply(handler, sys.exc_info() ) |
|
1065 | apply(handler, sys.exc_info() ) | |
1066 | print '' |
|
1066 | print '' | |
1067 |
|
1067 |
@@ -1,74 +1,74 b'' | |||||
1 | # Set this prefix to where you want to install the plugin |
|
1 | # Set this prefix to where you want to install the plugin | |
2 | PREFIX=/usr/local |
|
2 | PREFIX=/usr/local | |
3 |
|
3 | |||
4 | NOSE0=nosetests -vs --with-doctest --doctest-tests --detailed-errors |
|
4 | NOSE0=nosetests -vs --with-doctest --doctest-tests --detailed-errors | |
5 | NOSE=nosetests -vvs --with-ipdoctest --doctest-tests --doctest-extension=txt \ |
|
5 | NOSE=nosetests -vvs --with-ipdoctest --doctest-tests --doctest-extension=txt \ | |
6 | --detailed-errors |
|
6 | --detailed-errors | |
7 |
|
7 | |||
8 | SRC=ipdoctest.py setup.py ../decorators.py |
|
8 | SRC=ipdoctest.py setup.py ../decorators.py | |
9 |
|
9 | |||
10 | # Default target for clean 'make' |
|
10 | # Default target for clean 'make' | |
11 | default: iplib |
|
11 | default: iplib | |
12 |
|
12 | |||
13 | # The actual plugin installation |
|
13 | # The actual plugin installation | |
14 | plugin: IPython_doctest_plugin.egg-info |
|
14 | plugin: IPython_doctest_plugin.egg-info | |
15 |
|
15 | |||
16 | # Simple targets that test one thing |
|
16 | # Simple targets that test one thing | |
17 | simple: plugin simple.py |
|
17 | simple: plugin simple.py | |
18 | $(NOSE) simple.py |
|
18 | $(NOSE) simple.py | |
19 |
|
19 | |||
20 | dtest: plugin dtexample.py |
|
20 | dtest: plugin dtexample.py | |
21 | $(NOSE) dtexample.py |
|
21 | $(NOSE) dtexample.py | |
22 |
|
22 | |||
23 | rtest: plugin test_refs.py |
|
23 | rtest: plugin test_refs.py | |
24 | $(NOSE) test_refs.py |
|
24 | $(NOSE) test_refs.py | |
25 |
|
25 | |||
26 | test: plugin dtexample.py |
|
26 | test: plugin dtexample.py | |
27 | $(NOSE) dtexample.py test*.py test*.txt |
|
27 | $(NOSE) dtexample.py test*.py test*.txt | |
28 |
|
28 | |||
29 | deb: plugin dtexample.py |
|
29 | deb: plugin dtexample.py | |
30 | $(NOSE) test_combo.txt |
|
30 | $(NOSE) test_combo.txt | |
31 |
|
31 | |||
32 | # IPython tests |
|
32 | # IPython tests | |
33 | deco: |
|
33 | deco: | |
34 | $(NOSE0) IPython.testing.decorators |
|
34 | $(NOSE0) IPython.testing.decorators | |
35 |
|
35 | |||
36 | magic: plugin |
|
36 | magic: plugin | |
37 | $(NOSE) IPython.Magic |
|
37 | $(NOSE) IPython.Magic | |
38 |
|
38 | |||
39 | excolors: plugin |
|
39 | excolors: plugin | |
40 | $(NOSE) IPython.excolors |
|
40 | $(NOSE) IPython.core.excolors | |
41 |
|
41 | |||
42 | iplib: plugin |
|
42 | iplib: plugin | |
43 | $(NOSE) IPython.iplib |
|
43 | $(NOSE) IPython.iplib | |
44 |
|
44 | |||
45 | strd: plugin |
|
45 | strd: plugin | |
46 | $(NOSE) IPython.strdispatch |
|
46 | $(NOSE) IPython.strdispatch | |
47 |
|
47 | |||
48 | engine: plugin |
|
48 | engine: plugin | |
49 | $(NOSE) IPython.kernel |
|
49 | $(NOSE) IPython.kernel | |
50 |
|
50 | |||
51 | tf: plugin |
|
51 | tf: plugin | |
52 | $(NOSE) IPython.config.traitlets |
|
52 | $(NOSE) IPython.config.traitlets | |
53 |
|
53 | |||
54 | # All of ipython itself |
|
54 | # All of ipython itself | |
55 | ipython: plugin |
|
55 | ipython: plugin | |
56 | $(NOSE) IPython |
|
56 | $(NOSE) IPython | |
57 |
|
57 | |||
58 |
|
58 | |||
59 | # Combined targets |
|
59 | # Combined targets | |
60 | sr: rtest strd |
|
60 | sr: rtest strd | |
61 |
|
61 | |||
62 | base: dtest rtest test strd deco |
|
62 | base: dtest rtest test strd deco | |
63 |
|
63 | |||
64 | quick: base iplib ipipe |
|
64 | quick: base iplib ipipe | |
65 |
|
65 | |||
66 | all: base ipython |
|
66 | all: base ipython | |
67 |
|
67 | |||
68 | # Main plugin and cleanup |
|
68 | # Main plugin and cleanup | |
69 | IPython_doctest_plugin.egg-info: $(SRC) |
|
69 | IPython_doctest_plugin.egg-info: $(SRC) | |
70 | python setup.py install --prefix=$(PREFIX) |
|
70 | python setup.py install --prefix=$(PREFIX) | |
71 | touch $@ |
|
71 | touch $@ | |
72 |
|
72 | |||
73 | clean: |
|
73 | clean: | |
74 | rm -rf IPython_doctest_plugin.egg-info *~ *pyc build/ dist/ |
|
74 | rm -rf IPython_doctest_plugin.egg-info *~ *pyc build/ dist/ |
@@ -1,1057 +1,1057 b'' | |||||
1 | # -*- coding: utf-8 -*- |
|
1 | # -*- coding: utf-8 -*- | |
2 | """ |
|
2 | """ | |
3 | ultraTB.py -- Spice up your tracebacks! |
|
3 | ultraTB.py -- Spice up your tracebacks! | |
4 |
|
4 | |||
5 | * ColorTB |
|
5 | * ColorTB | |
6 | I've always found it a bit hard to visually parse tracebacks in Python. The |
|
6 | I've always found it a bit hard to visually parse tracebacks in Python. The | |
7 | ColorTB class is a solution to that problem. It colors the different parts of a |
|
7 | ColorTB class is a solution to that problem. It colors the different parts of a | |
8 | traceback in a manner similar to what you would expect from a syntax-highlighting |
|
8 | traceback in a manner similar to what you would expect from a syntax-highlighting | |
9 | text editor. |
|
9 | text editor. | |
10 |
|
10 | |||
11 | Installation instructions for ColorTB: |
|
11 | Installation instructions for ColorTB: | |
12 | import sys,ultraTB |
|
12 | import sys,ultraTB | |
13 | sys.excepthook = ultraTB.ColorTB() |
|
13 | sys.excepthook = ultraTB.ColorTB() | |
14 |
|
14 | |||
15 | * VerboseTB |
|
15 | * VerboseTB | |
16 | I've also included a port of Ka-Ping Yee's "cgitb.py" that produces all kinds |
|
16 | I've also included a port of Ka-Ping Yee's "cgitb.py" that produces all kinds | |
17 | of useful info when a traceback occurs. Ping originally had it spit out HTML |
|
17 | of useful info when a traceback occurs. Ping originally had it spit out HTML | |
18 | and intended it for CGI programmers, but why should they have all the fun? I |
|
18 | and intended it for CGI programmers, but why should they have all the fun? I | |
19 | altered it to spit out colored text to the terminal. It's a bit overwhelming, |
|
19 | altered it to spit out colored text to the terminal. It's a bit overwhelming, | |
20 | but kind of neat, and maybe useful for long-running programs that you believe |
|
20 | but kind of neat, and maybe useful for long-running programs that you believe | |
21 | are bug-free. If a crash *does* occur in that type of program you want details. |
|
21 | are bug-free. If a crash *does* occur in that type of program you want details. | |
22 | Give it a shot--you'll love it or you'll hate it. |
|
22 | Give it a shot--you'll love it or you'll hate it. | |
23 |
|
23 | |||
24 | Note: |
|
24 | Note: | |
25 |
|
25 | |||
26 | The Verbose mode prints the variables currently visible where the exception |
|
26 | The Verbose mode prints the variables currently visible where the exception | |
27 | happened (shortening their strings if too long). This can potentially be |
|
27 | happened (shortening their strings if too long). This can potentially be | |
28 | very slow, if you happen to have a huge data structure whose string |
|
28 | very slow, if you happen to have a huge data structure whose string | |
29 | representation is complex to compute. Your computer may appear to freeze for |
|
29 | representation is complex to compute. Your computer may appear to freeze for | |
30 | a while with cpu usage at 100%. If this occurs, you can cancel the traceback |
|
30 | a while with cpu usage at 100%. If this occurs, you can cancel the traceback | |
31 | with Ctrl-C (maybe hitting it more than once). |
|
31 | with Ctrl-C (maybe hitting it more than once). | |
32 |
|
32 | |||
33 | If you encounter this kind of situation often, you may want to use the |
|
33 | If you encounter this kind of situation often, you may want to use the | |
34 | Verbose_novars mode instead of the regular Verbose, which avoids formatting |
|
34 | Verbose_novars mode instead of the regular Verbose, which avoids formatting | |
35 | variables (but otherwise includes the information and context given by |
|
35 | variables (but otherwise includes the information and context given by | |
36 | Verbose). |
|
36 | Verbose). | |
37 |
|
37 | |||
38 |
|
38 | |||
39 | Installation instructions for ColorTB: |
|
39 | Installation instructions for ColorTB: | |
40 | import sys,ultraTB |
|
40 | import sys,ultraTB | |
41 | sys.excepthook = ultraTB.VerboseTB() |
|
41 | sys.excepthook = ultraTB.VerboseTB() | |
42 |
|
42 | |||
43 | Note: Much of the code in this module was lifted verbatim from the standard |
|
43 | Note: Much of the code in this module was lifted verbatim from the standard | |
44 | library module 'traceback.py' and Ka-Ping Yee's 'cgitb.py'. |
|
44 | library module 'traceback.py' and Ka-Ping Yee's 'cgitb.py'. | |
45 |
|
45 | |||
46 | * Color schemes |
|
46 | * Color schemes | |
47 | The colors are defined in the class TBTools through the use of the |
|
47 | The colors are defined in the class TBTools through the use of the | |
48 | ColorSchemeTable class. Currently the following exist: |
|
48 | ColorSchemeTable class. Currently the following exist: | |
49 |
|
49 | |||
50 | - NoColor: allows all of this module to be used in any terminal (the color |
|
50 | - NoColor: allows all of this module to be used in any terminal (the color | |
51 | escapes are just dummy blank strings). |
|
51 | escapes are just dummy blank strings). | |
52 |
|
52 | |||
53 | - Linux: is meant to look good in a terminal like the Linux console (black |
|
53 | - Linux: is meant to look good in a terminal like the Linux console (black | |
54 | or very dark background). |
|
54 | or very dark background). | |
55 |
|
55 | |||
56 | - LightBG: similar to Linux but swaps dark/light colors to be more readable |
|
56 | - LightBG: similar to Linux but swaps dark/light colors to be more readable | |
57 | in light background terminals. |
|
57 | in light background terminals. | |
58 |
|
58 | |||
59 | You can implement other color schemes easily, the syntax is fairly |
|
59 | You can implement other color schemes easily, the syntax is fairly | |
60 | self-explanatory. Please send back new schemes you develop to the author for |
|
60 | self-explanatory. Please send back new schemes you develop to the author for | |
61 | possible inclusion in future releases. |
|
61 | possible inclusion in future releases. | |
62 | """ |
|
62 | """ | |
63 |
|
63 | |||
64 | #***************************************************************************** |
|
64 | #***************************************************************************** | |
65 | # Copyright (C) 2001 Nathaniel Gray <n8gray@caltech.edu> |
|
65 | # Copyright (C) 2001 Nathaniel Gray <n8gray@caltech.edu> | |
66 | # Copyright (C) 2001-2004 Fernando Perez <fperez@colorado.edu> |
|
66 | # Copyright (C) 2001-2004 Fernando Perez <fperez@colorado.edu> | |
67 | # |
|
67 | # | |
68 | # Distributed under the terms of the BSD License. The full license is in |
|
68 | # Distributed under the terms of the BSD License. The full license is in | |
69 | # the file COPYING, distributed as part of this software. |
|
69 | # the file COPYING, distributed as part of this software. | |
70 | #***************************************************************************** |
|
70 | #***************************************************************************** | |
71 |
|
71 | |||
72 | # Required modules |
|
72 | # Required modules | |
73 | import inspect |
|
73 | import inspect | |
74 | import keyword |
|
74 | import keyword | |
75 | import linecache |
|
75 | import linecache | |
76 | import os |
|
76 | import os | |
77 | import pydoc |
|
77 | import pydoc | |
78 | import re |
|
78 | import re | |
79 | import string |
|
79 | import string | |
80 | import sys |
|
80 | import sys | |
81 | import time |
|
81 | import time | |
82 | import tokenize |
|
82 | import tokenize | |
83 | import traceback |
|
83 | import traceback | |
84 | import types |
|
84 | import types | |
85 |
|
85 | |||
86 | # For purposes of monkeypatching inspect to fix a bug in it. |
|
86 | # For purposes of monkeypatching inspect to fix a bug in it. | |
87 | from inspect import getsourcefile, getfile, getmodule,\ |
|
87 | from inspect import getsourcefile, getfile, getmodule,\ | |
88 | ismodule, isclass, ismethod, isfunction, istraceback, isframe, iscode |
|
88 | ismodule, isclass, ismethod, isfunction, istraceback, isframe, iscode | |
89 |
|
89 | |||
90 |
|
90 | |||
91 | # IPython's own modules |
|
91 | # IPython's own modules | |
92 | # Modified pdb which doesn't damage IPython's readline handling |
|
92 | # Modified pdb which doesn't damage IPython's readline handling | |
93 | from IPython import PyColorize |
|
93 | from IPython import PyColorize | |
94 | from IPython.core import debugger |
|
94 | from IPython.core import debugger | |
95 | from IPython.ipstruct import Struct |
|
95 | from IPython.ipstruct import Struct | |
96 | from IPython.excolors import exception_colors |
|
96 | from IPython.core.excolors import exception_colors | |
97 | from IPython.genutils import Term,uniq_stable,error,info |
|
97 | from IPython.genutils import Term,uniq_stable,error,info | |
98 |
|
98 | |||
99 | # Globals |
|
99 | # Globals | |
100 | # amount of space to put line numbers before verbose tracebacks |
|
100 | # amount of space to put line numbers before verbose tracebacks | |
101 | INDENT_SIZE = 8 |
|
101 | INDENT_SIZE = 8 | |
102 |
|
102 | |||
103 | # Default color scheme. This is used, for example, by the traceback |
|
103 | # Default color scheme. This is used, for example, by the traceback | |
104 | # formatter. When running in an actual IPython instance, the user's rc.colors |
|
104 | # formatter. When running in an actual IPython instance, the user's rc.colors | |
105 | # value is used, but havinga module global makes this functionality available |
|
105 | # value is used, but havinga module global makes this functionality available | |
106 | # to users of ultraTB who are NOT running inside ipython. |
|
106 | # to users of ultraTB who are NOT running inside ipython. | |
107 | DEFAULT_SCHEME = 'NoColor' |
|
107 | DEFAULT_SCHEME = 'NoColor' | |
108 |
|
108 | |||
109 | #--------------------------------------------------------------------------- |
|
109 | #--------------------------------------------------------------------------- | |
110 | # Code begins |
|
110 | # Code begins | |
111 |
|
111 | |||
112 | # Utility functions |
|
112 | # Utility functions | |
113 | def inspect_error(): |
|
113 | def inspect_error(): | |
114 | """Print a message about internal inspect errors. |
|
114 | """Print a message about internal inspect errors. | |
115 |
|
115 | |||
116 | These are unfortunately quite common.""" |
|
116 | These are unfortunately quite common.""" | |
117 |
|
117 | |||
118 | error('Internal Python error in the inspect module.\n' |
|
118 | error('Internal Python error in the inspect module.\n' | |
119 | 'Below is the traceback from this internal error.\n') |
|
119 | 'Below is the traceback from this internal error.\n') | |
120 |
|
120 | |||
121 |
|
121 | |||
122 | def findsource(object): |
|
122 | def findsource(object): | |
123 | """Return the entire source file and starting line number for an object. |
|
123 | """Return the entire source file and starting line number for an object. | |
124 |
|
124 | |||
125 | The argument may be a module, class, method, function, traceback, frame, |
|
125 | The argument may be a module, class, method, function, traceback, frame, | |
126 | or code object. The source code is returned as a list of all the lines |
|
126 | or code object. The source code is returned as a list of all the lines | |
127 | in the file and the line number indexes a line in that list. An IOError |
|
127 | in the file and the line number indexes a line in that list. An IOError | |
128 | is raised if the source code cannot be retrieved. |
|
128 | is raised if the source code cannot be retrieved. | |
129 |
|
129 | |||
130 | FIXED version with which we monkeypatch the stdlib to work around a bug.""" |
|
130 | FIXED version with which we monkeypatch the stdlib to work around a bug.""" | |
131 |
|
131 | |||
132 | file = getsourcefile(object) or getfile(object) |
|
132 | file = getsourcefile(object) or getfile(object) | |
133 | # If the object is a frame, then trying to get the globals dict from its |
|
133 | # If the object is a frame, then trying to get the globals dict from its | |
134 | # module won't work. Instead, the frame object itself has the globals |
|
134 | # module won't work. Instead, the frame object itself has the globals | |
135 | # dictionary. |
|
135 | # dictionary. | |
136 | globals_dict = None |
|
136 | globals_dict = None | |
137 | if inspect.isframe(object): |
|
137 | if inspect.isframe(object): | |
138 | # XXX: can this ever be false? |
|
138 | # XXX: can this ever be false? | |
139 | globals_dict = object.f_globals |
|
139 | globals_dict = object.f_globals | |
140 | else: |
|
140 | else: | |
141 | module = getmodule(object, file) |
|
141 | module = getmodule(object, file) | |
142 | if module: |
|
142 | if module: | |
143 | globals_dict = module.__dict__ |
|
143 | globals_dict = module.__dict__ | |
144 | lines = linecache.getlines(file, globals_dict) |
|
144 | lines = linecache.getlines(file, globals_dict) | |
145 | if not lines: |
|
145 | if not lines: | |
146 | raise IOError('could not get source code') |
|
146 | raise IOError('could not get source code') | |
147 |
|
147 | |||
148 | if ismodule(object): |
|
148 | if ismodule(object): | |
149 | return lines, 0 |
|
149 | return lines, 0 | |
150 |
|
150 | |||
151 | if isclass(object): |
|
151 | if isclass(object): | |
152 | name = object.__name__ |
|
152 | name = object.__name__ | |
153 | pat = re.compile(r'^(\s*)class\s*' + name + r'\b') |
|
153 | pat = re.compile(r'^(\s*)class\s*' + name + r'\b') | |
154 | # make some effort to find the best matching class definition: |
|
154 | # make some effort to find the best matching class definition: | |
155 | # use the one with the least indentation, which is the one |
|
155 | # use the one with the least indentation, which is the one | |
156 | # that's most probably not inside a function definition. |
|
156 | # that's most probably not inside a function definition. | |
157 | candidates = [] |
|
157 | candidates = [] | |
158 | for i in range(len(lines)): |
|
158 | for i in range(len(lines)): | |
159 | match = pat.match(lines[i]) |
|
159 | match = pat.match(lines[i]) | |
160 | if match: |
|
160 | if match: | |
161 | # if it's at toplevel, it's already the best one |
|
161 | # if it's at toplevel, it's already the best one | |
162 | if lines[i][0] == 'c': |
|
162 | if lines[i][0] == 'c': | |
163 | return lines, i |
|
163 | return lines, i | |
164 | # else add whitespace to candidate list |
|
164 | # else add whitespace to candidate list | |
165 | candidates.append((match.group(1), i)) |
|
165 | candidates.append((match.group(1), i)) | |
166 | if candidates: |
|
166 | if candidates: | |
167 | # this will sort by whitespace, and by line number, |
|
167 | # this will sort by whitespace, and by line number, | |
168 | # less whitespace first |
|
168 | # less whitespace first | |
169 | candidates.sort() |
|
169 | candidates.sort() | |
170 | return lines, candidates[0][1] |
|
170 | return lines, candidates[0][1] | |
171 | else: |
|
171 | else: | |
172 | raise IOError('could not find class definition') |
|
172 | raise IOError('could not find class definition') | |
173 |
|
173 | |||
174 | if ismethod(object): |
|
174 | if ismethod(object): | |
175 | object = object.im_func |
|
175 | object = object.im_func | |
176 | if isfunction(object): |
|
176 | if isfunction(object): | |
177 | object = object.func_code |
|
177 | object = object.func_code | |
178 | if istraceback(object): |
|
178 | if istraceback(object): | |
179 | object = object.tb_frame |
|
179 | object = object.tb_frame | |
180 | if isframe(object): |
|
180 | if isframe(object): | |
181 | object = object.f_code |
|
181 | object = object.f_code | |
182 | if iscode(object): |
|
182 | if iscode(object): | |
183 | if not hasattr(object, 'co_firstlineno'): |
|
183 | if not hasattr(object, 'co_firstlineno'): | |
184 | raise IOError('could not find function definition') |
|
184 | raise IOError('could not find function definition') | |
185 | pat = re.compile(r'^(\s*def\s)|(.*(?<!\w)lambda(:|\s))|^(\s*@)') |
|
185 | pat = re.compile(r'^(\s*def\s)|(.*(?<!\w)lambda(:|\s))|^(\s*@)') | |
186 | pmatch = pat.match |
|
186 | pmatch = pat.match | |
187 | # fperez - fix: sometimes, co_firstlineno can give a number larger than |
|
187 | # fperez - fix: sometimes, co_firstlineno can give a number larger than | |
188 | # the length of lines, which causes an error. Safeguard against that. |
|
188 | # the length of lines, which causes an error. Safeguard against that. | |
189 | lnum = min(object.co_firstlineno,len(lines))-1 |
|
189 | lnum = min(object.co_firstlineno,len(lines))-1 | |
190 | while lnum > 0: |
|
190 | while lnum > 0: | |
191 | if pmatch(lines[lnum]): break |
|
191 | if pmatch(lines[lnum]): break | |
192 | lnum -= 1 |
|
192 | lnum -= 1 | |
193 |
|
193 | |||
194 | return lines, lnum |
|
194 | return lines, lnum | |
195 | raise IOError('could not find code object') |
|
195 | raise IOError('could not find code object') | |
196 |
|
196 | |||
197 | # Monkeypatch inspect to apply our bugfix. This code only works with py25 |
|
197 | # Monkeypatch inspect to apply our bugfix. This code only works with py25 | |
198 | if sys.version_info[:2] >= (2,5): |
|
198 | if sys.version_info[:2] >= (2,5): | |
199 | inspect.findsource = findsource |
|
199 | inspect.findsource = findsource | |
200 |
|
200 | |||
201 | def fix_frame_records_filenames(records): |
|
201 | def fix_frame_records_filenames(records): | |
202 | """Try to fix the filenames in each record from inspect.getinnerframes(). |
|
202 | """Try to fix the filenames in each record from inspect.getinnerframes(). | |
203 |
|
203 | |||
204 | Particularly, modules loaded from within zip files have useless filenames |
|
204 | Particularly, modules loaded from within zip files have useless filenames | |
205 | attached to their code object, and inspect.getinnerframes() just uses it. |
|
205 | attached to their code object, and inspect.getinnerframes() just uses it. | |
206 | """ |
|
206 | """ | |
207 | fixed_records = [] |
|
207 | fixed_records = [] | |
208 | for frame, filename, line_no, func_name, lines, index in records: |
|
208 | for frame, filename, line_no, func_name, lines, index in records: | |
209 | # Look inside the frame's globals dictionary for __file__, which should |
|
209 | # Look inside the frame's globals dictionary for __file__, which should | |
210 | # be better. |
|
210 | # be better. | |
211 | better_fn = frame.f_globals.get('__file__', None) |
|
211 | better_fn = frame.f_globals.get('__file__', None) | |
212 | if isinstance(better_fn, str): |
|
212 | if isinstance(better_fn, str): | |
213 | # Check the type just in case someone did something weird with |
|
213 | # Check the type just in case someone did something weird with | |
214 | # __file__. It might also be None if the error occurred during |
|
214 | # __file__. It might also be None if the error occurred during | |
215 | # import. |
|
215 | # import. | |
216 | filename = better_fn |
|
216 | filename = better_fn | |
217 | fixed_records.append((frame, filename, line_no, func_name, lines, index)) |
|
217 | fixed_records.append((frame, filename, line_no, func_name, lines, index)) | |
218 | return fixed_records |
|
218 | return fixed_records | |
219 |
|
219 | |||
220 |
|
220 | |||
221 | def _fixed_getinnerframes(etb, context=1,tb_offset=0): |
|
221 | def _fixed_getinnerframes(etb, context=1,tb_offset=0): | |
222 | import linecache |
|
222 | import linecache | |
223 | LNUM_POS, LINES_POS, INDEX_POS = 2, 4, 5 |
|
223 | LNUM_POS, LINES_POS, INDEX_POS = 2, 4, 5 | |
224 |
|
224 | |||
225 | records = fix_frame_records_filenames(inspect.getinnerframes(etb, context)) |
|
225 | records = fix_frame_records_filenames(inspect.getinnerframes(etb, context)) | |
226 |
|
226 | |||
227 | # If the error is at the console, don't build any context, since it would |
|
227 | # If the error is at the console, don't build any context, since it would | |
228 | # otherwise produce 5 blank lines printed out (there is no file at the |
|
228 | # otherwise produce 5 blank lines printed out (there is no file at the | |
229 | # console) |
|
229 | # console) | |
230 | rec_check = records[tb_offset:] |
|
230 | rec_check = records[tb_offset:] | |
231 | try: |
|
231 | try: | |
232 | rname = rec_check[0][1] |
|
232 | rname = rec_check[0][1] | |
233 | if rname == '<ipython console>' or rname.endswith('<string>'): |
|
233 | if rname == '<ipython console>' or rname.endswith('<string>'): | |
234 | return rec_check |
|
234 | return rec_check | |
235 | except IndexError: |
|
235 | except IndexError: | |
236 | pass |
|
236 | pass | |
237 |
|
237 | |||
238 | aux = traceback.extract_tb(etb) |
|
238 | aux = traceback.extract_tb(etb) | |
239 | assert len(records) == len(aux) |
|
239 | assert len(records) == len(aux) | |
240 | for i, (file, lnum, _, _) in zip(range(len(records)), aux): |
|
240 | for i, (file, lnum, _, _) in zip(range(len(records)), aux): | |
241 | maybeStart = lnum-1 - context//2 |
|
241 | maybeStart = lnum-1 - context//2 | |
242 | start = max(maybeStart, 0) |
|
242 | start = max(maybeStart, 0) | |
243 | end = start + context |
|
243 | end = start + context | |
244 | lines = linecache.getlines(file)[start:end] |
|
244 | lines = linecache.getlines(file)[start:end] | |
245 | # pad with empty lines if necessary |
|
245 | # pad with empty lines if necessary | |
246 | if maybeStart < 0: |
|
246 | if maybeStart < 0: | |
247 | lines = (['\n'] * -maybeStart) + lines |
|
247 | lines = (['\n'] * -maybeStart) + lines | |
248 | if len(lines) < context: |
|
248 | if len(lines) < context: | |
249 | lines += ['\n'] * (context - len(lines)) |
|
249 | lines += ['\n'] * (context - len(lines)) | |
250 | buf = list(records[i]) |
|
250 | buf = list(records[i]) | |
251 | buf[LNUM_POS] = lnum |
|
251 | buf[LNUM_POS] = lnum | |
252 | buf[INDEX_POS] = lnum - 1 - start |
|
252 | buf[INDEX_POS] = lnum - 1 - start | |
253 | buf[LINES_POS] = lines |
|
253 | buf[LINES_POS] = lines | |
254 | records[i] = tuple(buf) |
|
254 | records[i] = tuple(buf) | |
255 | return records[tb_offset:] |
|
255 | return records[tb_offset:] | |
256 |
|
256 | |||
257 | # Helper function -- largely belongs to VerboseTB, but we need the same |
|
257 | # Helper function -- largely belongs to VerboseTB, but we need the same | |
258 | # functionality to produce a pseudo verbose TB for SyntaxErrors, so that they |
|
258 | # functionality to produce a pseudo verbose TB for SyntaxErrors, so that they | |
259 | # can be recognized properly by ipython.el's py-traceback-line-re |
|
259 | # can be recognized properly by ipython.el's py-traceback-line-re | |
260 | # (SyntaxErrors have to be treated specially because they have no traceback) |
|
260 | # (SyntaxErrors have to be treated specially because they have no traceback) | |
261 |
|
261 | |||
262 | _parser = PyColorize.Parser() |
|
262 | _parser = PyColorize.Parser() | |
263 |
|
263 | |||
264 | def _formatTracebackLines(lnum, index, lines, Colors, lvals=None,scheme=None): |
|
264 | def _formatTracebackLines(lnum, index, lines, Colors, lvals=None,scheme=None): | |
265 | numbers_width = INDENT_SIZE - 1 |
|
265 | numbers_width = INDENT_SIZE - 1 | |
266 | res = [] |
|
266 | res = [] | |
267 | i = lnum - index |
|
267 | i = lnum - index | |
268 |
|
268 | |||
269 | # This lets us get fully syntax-highlighted tracebacks. |
|
269 | # This lets us get fully syntax-highlighted tracebacks. | |
270 | if scheme is None: |
|
270 | if scheme is None: | |
271 | try: |
|
271 | try: | |
272 | scheme = __IPYTHON__.rc.colors |
|
272 | scheme = __IPYTHON__.rc.colors | |
273 | except: |
|
273 | except: | |
274 | scheme = DEFAULT_SCHEME |
|
274 | scheme = DEFAULT_SCHEME | |
275 | _line_format = _parser.format2 |
|
275 | _line_format = _parser.format2 | |
276 |
|
276 | |||
277 | for line in lines: |
|
277 | for line in lines: | |
278 | new_line, err = _line_format(line,'str',scheme) |
|
278 | new_line, err = _line_format(line,'str',scheme) | |
279 | if not err: line = new_line |
|
279 | if not err: line = new_line | |
280 |
|
280 | |||
281 | if i == lnum: |
|
281 | if i == lnum: | |
282 | # This is the line with the error |
|
282 | # This is the line with the error | |
283 | pad = numbers_width - len(str(i)) |
|
283 | pad = numbers_width - len(str(i)) | |
284 | if pad >= 3: |
|
284 | if pad >= 3: | |
285 | marker = '-'*(pad-3) + '-> ' |
|
285 | marker = '-'*(pad-3) + '-> ' | |
286 | elif pad == 2: |
|
286 | elif pad == 2: | |
287 | marker = '> ' |
|
287 | marker = '> ' | |
288 | elif pad == 1: |
|
288 | elif pad == 1: | |
289 | marker = '>' |
|
289 | marker = '>' | |
290 | else: |
|
290 | else: | |
291 | marker = '' |
|
291 | marker = '' | |
292 | num = marker + str(i) |
|
292 | num = marker + str(i) | |
293 | line = '%s%s%s %s%s' %(Colors.linenoEm, num, |
|
293 | line = '%s%s%s %s%s' %(Colors.linenoEm, num, | |
294 | Colors.line, line, Colors.Normal) |
|
294 | Colors.line, line, Colors.Normal) | |
295 | else: |
|
295 | else: | |
296 | num = '%*s' % (numbers_width,i) |
|
296 | num = '%*s' % (numbers_width,i) | |
297 | line = '%s%s%s %s' %(Colors.lineno, num, |
|
297 | line = '%s%s%s %s' %(Colors.lineno, num, | |
298 | Colors.Normal, line) |
|
298 | Colors.Normal, line) | |
299 |
|
299 | |||
300 | res.append(line) |
|
300 | res.append(line) | |
301 | if lvals and i == lnum: |
|
301 | if lvals and i == lnum: | |
302 | res.append(lvals + '\n') |
|
302 | res.append(lvals + '\n') | |
303 | i = i + 1 |
|
303 | i = i + 1 | |
304 | return res |
|
304 | return res | |
305 |
|
305 | |||
306 |
|
306 | |||
307 | #--------------------------------------------------------------------------- |
|
307 | #--------------------------------------------------------------------------- | |
308 | # Module classes |
|
308 | # Module classes | |
309 | class TBTools: |
|
309 | class TBTools: | |
310 | """Basic tools used by all traceback printer classes.""" |
|
310 | """Basic tools used by all traceback printer classes.""" | |
311 |
|
311 | |||
312 | def __init__(self,color_scheme = 'NoColor',call_pdb=False): |
|
312 | def __init__(self,color_scheme = 'NoColor',call_pdb=False): | |
313 | # Whether to call the interactive pdb debugger after printing |
|
313 | # Whether to call the interactive pdb debugger after printing | |
314 | # tracebacks or not |
|
314 | # tracebacks or not | |
315 | self.call_pdb = call_pdb |
|
315 | self.call_pdb = call_pdb | |
316 |
|
316 | |||
317 | # Create color table |
|
317 | # Create color table | |
318 | self.color_scheme_table = exception_colors() |
|
318 | self.color_scheme_table = exception_colors() | |
319 |
|
319 | |||
320 | self.set_colors(color_scheme) |
|
320 | self.set_colors(color_scheme) | |
321 | self.old_scheme = color_scheme # save initial value for toggles |
|
321 | self.old_scheme = color_scheme # save initial value for toggles | |
322 |
|
322 | |||
323 | if call_pdb: |
|
323 | if call_pdb: | |
324 | self.pdb = debugger.Pdb(self.color_scheme_table.active_scheme_name) |
|
324 | self.pdb = debugger.Pdb(self.color_scheme_table.active_scheme_name) | |
325 | else: |
|
325 | else: | |
326 | self.pdb = None |
|
326 | self.pdb = None | |
327 |
|
327 | |||
328 | def set_colors(self,*args,**kw): |
|
328 | def set_colors(self,*args,**kw): | |
329 | """Shorthand access to the color table scheme selector method.""" |
|
329 | """Shorthand access to the color table scheme selector method.""" | |
330 |
|
330 | |||
331 | # Set own color table |
|
331 | # Set own color table | |
332 | self.color_scheme_table.set_active_scheme(*args,**kw) |
|
332 | self.color_scheme_table.set_active_scheme(*args,**kw) | |
333 | # for convenience, set Colors to the active scheme |
|
333 | # for convenience, set Colors to the active scheme | |
334 | self.Colors = self.color_scheme_table.active_colors |
|
334 | self.Colors = self.color_scheme_table.active_colors | |
335 | # Also set colors of debugger |
|
335 | # Also set colors of debugger | |
336 | if hasattr(self,'pdb') and self.pdb is not None: |
|
336 | if hasattr(self,'pdb') and self.pdb is not None: | |
337 | self.pdb.set_colors(*args,**kw) |
|
337 | self.pdb.set_colors(*args,**kw) | |
338 |
|
338 | |||
339 | def color_toggle(self): |
|
339 | def color_toggle(self): | |
340 | """Toggle between the currently active color scheme and NoColor.""" |
|
340 | """Toggle between the currently active color scheme and NoColor.""" | |
341 |
|
341 | |||
342 | if self.color_scheme_table.active_scheme_name == 'NoColor': |
|
342 | if self.color_scheme_table.active_scheme_name == 'NoColor': | |
343 | self.color_scheme_table.set_active_scheme(self.old_scheme) |
|
343 | self.color_scheme_table.set_active_scheme(self.old_scheme) | |
344 | self.Colors = self.color_scheme_table.active_colors |
|
344 | self.Colors = self.color_scheme_table.active_colors | |
345 | else: |
|
345 | else: | |
346 | self.old_scheme = self.color_scheme_table.active_scheme_name |
|
346 | self.old_scheme = self.color_scheme_table.active_scheme_name | |
347 | self.color_scheme_table.set_active_scheme('NoColor') |
|
347 | self.color_scheme_table.set_active_scheme('NoColor') | |
348 | self.Colors = self.color_scheme_table.active_colors |
|
348 | self.Colors = self.color_scheme_table.active_colors | |
349 |
|
349 | |||
350 | #--------------------------------------------------------------------------- |
|
350 | #--------------------------------------------------------------------------- | |
351 | class ListTB(TBTools): |
|
351 | class ListTB(TBTools): | |
352 | """Print traceback information from a traceback list, with optional color. |
|
352 | """Print traceback information from a traceback list, with optional color. | |
353 |
|
353 | |||
354 | Calling: requires 3 arguments: |
|
354 | Calling: requires 3 arguments: | |
355 | (etype, evalue, elist) |
|
355 | (etype, evalue, elist) | |
356 | as would be obtained by: |
|
356 | as would be obtained by: | |
357 | etype, evalue, tb = sys.exc_info() |
|
357 | etype, evalue, tb = sys.exc_info() | |
358 | if tb: |
|
358 | if tb: | |
359 | elist = traceback.extract_tb(tb) |
|
359 | elist = traceback.extract_tb(tb) | |
360 | else: |
|
360 | else: | |
361 | elist = None |
|
361 | elist = None | |
362 |
|
362 | |||
363 | It can thus be used by programs which need to process the traceback before |
|
363 | It can thus be used by programs which need to process the traceback before | |
364 | printing (such as console replacements based on the code module from the |
|
364 | printing (such as console replacements based on the code module from the | |
365 | standard library). |
|
365 | standard library). | |
366 |
|
366 | |||
367 | Because they are meant to be called without a full traceback (only a |
|
367 | Because they are meant to be called without a full traceback (only a | |
368 | list), instances of this class can't call the interactive pdb debugger.""" |
|
368 | list), instances of this class can't call the interactive pdb debugger.""" | |
369 |
|
369 | |||
370 | def __init__(self,color_scheme = 'NoColor'): |
|
370 | def __init__(self,color_scheme = 'NoColor'): | |
371 | TBTools.__init__(self,color_scheme = color_scheme,call_pdb=0) |
|
371 | TBTools.__init__(self,color_scheme = color_scheme,call_pdb=0) | |
372 |
|
372 | |||
373 | def __call__(self, etype, value, elist): |
|
373 | def __call__(self, etype, value, elist): | |
374 | Term.cout.flush() |
|
374 | Term.cout.flush() | |
375 | print >> Term.cerr, self.text(etype,value,elist) |
|
375 | print >> Term.cerr, self.text(etype,value,elist) | |
376 | Term.cerr.flush() |
|
376 | Term.cerr.flush() | |
377 |
|
377 | |||
378 | def text(self,etype, value, elist,context=5): |
|
378 | def text(self,etype, value, elist,context=5): | |
379 | """Return a color formatted string with the traceback info.""" |
|
379 | """Return a color formatted string with the traceback info.""" | |
380 |
|
380 | |||
381 | Colors = self.Colors |
|
381 | Colors = self.Colors | |
382 | out_string = ['%s%s%s\n' % (Colors.topline,'-'*60,Colors.Normal)] |
|
382 | out_string = ['%s%s%s\n' % (Colors.topline,'-'*60,Colors.Normal)] | |
383 | if elist: |
|
383 | if elist: | |
384 | out_string.append('Traceback %s(most recent call last)%s:' % \ |
|
384 | out_string.append('Traceback %s(most recent call last)%s:' % \ | |
385 | (Colors.normalEm, Colors.Normal) + '\n') |
|
385 | (Colors.normalEm, Colors.Normal) + '\n') | |
386 | out_string.extend(self._format_list(elist)) |
|
386 | out_string.extend(self._format_list(elist)) | |
387 | lines = self._format_exception_only(etype, value) |
|
387 | lines = self._format_exception_only(etype, value) | |
388 | for line in lines[:-1]: |
|
388 | for line in lines[:-1]: | |
389 | out_string.append(" "+line) |
|
389 | out_string.append(" "+line) | |
390 | out_string.append(lines[-1]) |
|
390 | out_string.append(lines[-1]) | |
391 | return ''.join(out_string) |
|
391 | return ''.join(out_string) | |
392 |
|
392 | |||
393 | def _format_list(self, extracted_list): |
|
393 | def _format_list(self, extracted_list): | |
394 | """Format a list of traceback entry tuples for printing. |
|
394 | """Format a list of traceback entry tuples for printing. | |
395 |
|
395 | |||
396 | Given a list of tuples as returned by extract_tb() or |
|
396 | Given a list of tuples as returned by extract_tb() or | |
397 | extract_stack(), return a list of strings ready for printing. |
|
397 | extract_stack(), return a list of strings ready for printing. | |
398 | Each string in the resulting list corresponds to the item with the |
|
398 | Each string in the resulting list corresponds to the item with the | |
399 | same index in the argument list. Each string ends in a newline; |
|
399 | same index in the argument list. Each string ends in a newline; | |
400 | the strings may contain internal newlines as well, for those items |
|
400 | the strings may contain internal newlines as well, for those items | |
401 | whose source text line is not None. |
|
401 | whose source text line is not None. | |
402 |
|
402 | |||
403 | Lifted almost verbatim from traceback.py |
|
403 | Lifted almost verbatim from traceback.py | |
404 | """ |
|
404 | """ | |
405 |
|
405 | |||
406 | Colors = self.Colors |
|
406 | Colors = self.Colors | |
407 | list = [] |
|
407 | list = [] | |
408 | for filename, lineno, name, line in extracted_list[:-1]: |
|
408 | for filename, lineno, name, line in extracted_list[:-1]: | |
409 | item = ' File %s"%s"%s, line %s%d%s, in %s%s%s\n' % \ |
|
409 | item = ' File %s"%s"%s, line %s%d%s, in %s%s%s\n' % \ | |
410 | (Colors.filename, filename, Colors.Normal, |
|
410 | (Colors.filename, filename, Colors.Normal, | |
411 | Colors.lineno, lineno, Colors.Normal, |
|
411 | Colors.lineno, lineno, Colors.Normal, | |
412 | Colors.name, name, Colors.Normal) |
|
412 | Colors.name, name, Colors.Normal) | |
413 | if line: |
|
413 | if line: | |
414 | item = item + ' %s\n' % line.strip() |
|
414 | item = item + ' %s\n' % line.strip() | |
415 | list.append(item) |
|
415 | list.append(item) | |
416 | # Emphasize the last entry |
|
416 | # Emphasize the last entry | |
417 | filename, lineno, name, line = extracted_list[-1] |
|
417 | filename, lineno, name, line = extracted_list[-1] | |
418 | item = '%s File %s"%s"%s, line %s%d%s, in %s%s%s%s\n' % \ |
|
418 | item = '%s File %s"%s"%s, line %s%d%s, in %s%s%s%s\n' % \ | |
419 | (Colors.normalEm, |
|
419 | (Colors.normalEm, | |
420 | Colors.filenameEm, filename, Colors.normalEm, |
|
420 | Colors.filenameEm, filename, Colors.normalEm, | |
421 | Colors.linenoEm, lineno, Colors.normalEm, |
|
421 | Colors.linenoEm, lineno, Colors.normalEm, | |
422 | Colors.nameEm, name, Colors.normalEm, |
|
422 | Colors.nameEm, name, Colors.normalEm, | |
423 | Colors.Normal) |
|
423 | Colors.Normal) | |
424 | if line: |
|
424 | if line: | |
425 | item = item + '%s %s%s\n' % (Colors.line, line.strip(), |
|
425 | item = item + '%s %s%s\n' % (Colors.line, line.strip(), | |
426 | Colors.Normal) |
|
426 | Colors.Normal) | |
427 | list.append(item) |
|
427 | list.append(item) | |
428 | return list |
|
428 | return list | |
429 |
|
429 | |||
430 | def _format_exception_only(self, etype, value): |
|
430 | def _format_exception_only(self, etype, value): | |
431 | """Format the exception part of a traceback. |
|
431 | """Format the exception part of a traceback. | |
432 |
|
432 | |||
433 | The arguments are the exception type and value such as given by |
|
433 | The arguments are the exception type and value such as given by | |
434 | sys.exc_info()[:2]. The return value is a list of strings, each ending |
|
434 | sys.exc_info()[:2]. The return value is a list of strings, each ending | |
435 | in a newline. Normally, the list contains a single string; however, |
|
435 | in a newline. Normally, the list contains a single string; however, | |
436 | for SyntaxError exceptions, it contains several lines that (when |
|
436 | for SyntaxError exceptions, it contains several lines that (when | |
437 | printed) display detailed information about where the syntax error |
|
437 | printed) display detailed information about where the syntax error | |
438 | occurred. The message indicating which exception occurred is the |
|
438 | occurred. The message indicating which exception occurred is the | |
439 | always last string in the list. |
|
439 | always last string in the list. | |
440 |
|
440 | |||
441 | Also lifted nearly verbatim from traceback.py |
|
441 | Also lifted nearly verbatim from traceback.py | |
442 | """ |
|
442 | """ | |
443 |
|
443 | |||
444 | have_filedata = False |
|
444 | have_filedata = False | |
445 | Colors = self.Colors |
|
445 | Colors = self.Colors | |
446 | list = [] |
|
446 | list = [] | |
447 | try: |
|
447 | try: | |
448 | stype = Colors.excName + etype.__name__ + Colors.Normal |
|
448 | stype = Colors.excName + etype.__name__ + Colors.Normal | |
449 | except AttributeError: |
|
449 | except AttributeError: | |
450 | stype = etype # String exceptions don't get special coloring |
|
450 | stype = etype # String exceptions don't get special coloring | |
451 | if value is None: |
|
451 | if value is None: | |
452 | list.append( str(stype) + '\n') |
|
452 | list.append( str(stype) + '\n') | |
453 | else: |
|
453 | else: | |
454 | if etype is SyntaxError: |
|
454 | if etype is SyntaxError: | |
455 | try: |
|
455 | try: | |
456 | msg, (filename, lineno, offset, line) = value |
|
456 | msg, (filename, lineno, offset, line) = value | |
457 | except: |
|
457 | except: | |
458 | have_filedata = False |
|
458 | have_filedata = False | |
459 | else: |
|
459 | else: | |
460 | have_filedata = True |
|
460 | have_filedata = True | |
461 | #print 'filename is',filename # dbg |
|
461 | #print 'filename is',filename # dbg | |
462 | if not filename: filename = "<string>" |
|
462 | if not filename: filename = "<string>" | |
463 | list.append('%s File %s"%s"%s, line %s%d%s\n' % \ |
|
463 | list.append('%s File %s"%s"%s, line %s%d%s\n' % \ | |
464 | (Colors.normalEm, |
|
464 | (Colors.normalEm, | |
465 | Colors.filenameEm, filename, Colors.normalEm, |
|
465 | Colors.filenameEm, filename, Colors.normalEm, | |
466 | Colors.linenoEm, lineno, Colors.Normal )) |
|
466 | Colors.linenoEm, lineno, Colors.Normal )) | |
467 | if line is not None: |
|
467 | if line is not None: | |
468 | i = 0 |
|
468 | i = 0 | |
469 | while i < len(line) and line[i].isspace(): |
|
469 | while i < len(line) and line[i].isspace(): | |
470 | i = i+1 |
|
470 | i = i+1 | |
471 | list.append('%s %s%s\n' % (Colors.line, |
|
471 | list.append('%s %s%s\n' % (Colors.line, | |
472 | line.strip(), |
|
472 | line.strip(), | |
473 | Colors.Normal)) |
|
473 | Colors.Normal)) | |
474 | if offset is not None: |
|
474 | if offset is not None: | |
475 | s = ' ' |
|
475 | s = ' ' | |
476 | for c in line[i:offset-1]: |
|
476 | for c in line[i:offset-1]: | |
477 | if c.isspace(): |
|
477 | if c.isspace(): | |
478 | s = s + c |
|
478 | s = s + c | |
479 | else: |
|
479 | else: | |
480 | s = s + ' ' |
|
480 | s = s + ' ' | |
481 | list.append('%s%s^%s\n' % (Colors.caret, s, |
|
481 | list.append('%s%s^%s\n' % (Colors.caret, s, | |
482 | Colors.Normal) ) |
|
482 | Colors.Normal) ) | |
483 | value = msg |
|
483 | value = msg | |
484 | s = self._some_str(value) |
|
484 | s = self._some_str(value) | |
485 | if s: |
|
485 | if s: | |
486 | list.append('%s%s:%s %s\n' % (str(stype), Colors.excName, |
|
486 | list.append('%s%s:%s %s\n' % (str(stype), Colors.excName, | |
487 | Colors.Normal, s)) |
|
487 | Colors.Normal, s)) | |
488 | else: |
|
488 | else: | |
489 | list.append('%s\n' % str(stype)) |
|
489 | list.append('%s\n' % str(stype)) | |
490 |
|
490 | |||
491 | # vds:>> |
|
491 | # vds:>> | |
492 | if have_filedata: |
|
492 | if have_filedata: | |
493 | __IPYTHON__.hooks.synchronize_with_editor(filename, lineno, 0) |
|
493 | __IPYTHON__.hooks.synchronize_with_editor(filename, lineno, 0) | |
494 | # vds:<< |
|
494 | # vds:<< | |
495 |
|
495 | |||
496 | return list |
|
496 | return list | |
497 |
|
497 | |||
498 | def _some_str(self, value): |
|
498 | def _some_str(self, value): | |
499 | # Lifted from traceback.py |
|
499 | # Lifted from traceback.py | |
500 | try: |
|
500 | try: | |
501 | return str(value) |
|
501 | return str(value) | |
502 | except: |
|
502 | except: | |
503 | return '<unprintable %s object>' % type(value).__name__ |
|
503 | return '<unprintable %s object>' % type(value).__name__ | |
504 |
|
504 | |||
505 | #---------------------------------------------------------------------------- |
|
505 | #---------------------------------------------------------------------------- | |
506 | class VerboseTB(TBTools): |
|
506 | class VerboseTB(TBTools): | |
507 | """A port of Ka-Ping Yee's cgitb.py module that outputs color text instead |
|
507 | """A port of Ka-Ping Yee's cgitb.py module that outputs color text instead | |
508 | of HTML. Requires inspect and pydoc. Crazy, man. |
|
508 | of HTML. Requires inspect and pydoc. Crazy, man. | |
509 |
|
509 | |||
510 | Modified version which optionally strips the topmost entries from the |
|
510 | Modified version which optionally strips the topmost entries from the | |
511 | traceback, to be used with alternate interpreters (because their own code |
|
511 | traceback, to be used with alternate interpreters (because their own code | |
512 | would appear in the traceback).""" |
|
512 | would appear in the traceback).""" | |
513 |
|
513 | |||
514 | def __init__(self,color_scheme = 'Linux',tb_offset=0,long_header=0, |
|
514 | def __init__(self,color_scheme = 'Linux',tb_offset=0,long_header=0, | |
515 | call_pdb = 0, include_vars=1): |
|
515 | call_pdb = 0, include_vars=1): | |
516 | """Specify traceback offset, headers and color scheme. |
|
516 | """Specify traceback offset, headers and color scheme. | |
517 |
|
517 | |||
518 | Define how many frames to drop from the tracebacks. Calling it with |
|
518 | Define how many frames to drop from the tracebacks. Calling it with | |
519 | tb_offset=1 allows use of this handler in interpreters which will have |
|
519 | tb_offset=1 allows use of this handler in interpreters which will have | |
520 | their own code at the top of the traceback (VerboseTB will first |
|
520 | their own code at the top of the traceback (VerboseTB will first | |
521 | remove that frame before printing the traceback info).""" |
|
521 | remove that frame before printing the traceback info).""" | |
522 | TBTools.__init__(self,color_scheme=color_scheme,call_pdb=call_pdb) |
|
522 | TBTools.__init__(self,color_scheme=color_scheme,call_pdb=call_pdb) | |
523 | self.tb_offset = tb_offset |
|
523 | self.tb_offset = tb_offset | |
524 | self.long_header = long_header |
|
524 | self.long_header = long_header | |
525 | self.include_vars = include_vars |
|
525 | self.include_vars = include_vars | |
526 |
|
526 | |||
527 | def text(self, etype, evalue, etb, context=5): |
|
527 | def text(self, etype, evalue, etb, context=5): | |
528 | """Return a nice text document describing the traceback.""" |
|
528 | """Return a nice text document describing the traceback.""" | |
529 |
|
529 | |||
530 | # some locals |
|
530 | # some locals | |
531 | try: |
|
531 | try: | |
532 | etype = etype.__name__ |
|
532 | etype = etype.__name__ | |
533 | except AttributeError: |
|
533 | except AttributeError: | |
534 | pass |
|
534 | pass | |
535 | Colors = self.Colors # just a shorthand + quicker name lookup |
|
535 | Colors = self.Colors # just a shorthand + quicker name lookup | |
536 | ColorsNormal = Colors.Normal # used a lot |
|
536 | ColorsNormal = Colors.Normal # used a lot | |
537 | col_scheme = self.color_scheme_table.active_scheme_name |
|
537 | col_scheme = self.color_scheme_table.active_scheme_name | |
538 | indent = ' '*INDENT_SIZE |
|
538 | indent = ' '*INDENT_SIZE | |
539 | em_normal = '%s\n%s%s' % (Colors.valEm, indent,ColorsNormal) |
|
539 | em_normal = '%s\n%s%s' % (Colors.valEm, indent,ColorsNormal) | |
540 | undefined = '%sundefined%s' % (Colors.em, ColorsNormal) |
|
540 | undefined = '%sundefined%s' % (Colors.em, ColorsNormal) | |
541 | exc = '%s%s%s' % (Colors.excName,etype,ColorsNormal) |
|
541 | exc = '%s%s%s' % (Colors.excName,etype,ColorsNormal) | |
542 |
|
542 | |||
543 | # some internal-use functions |
|
543 | # some internal-use functions | |
544 | def text_repr(value): |
|
544 | def text_repr(value): | |
545 | """Hopefully pretty robust repr equivalent.""" |
|
545 | """Hopefully pretty robust repr equivalent.""" | |
546 | # this is pretty horrible but should always return *something* |
|
546 | # this is pretty horrible but should always return *something* | |
547 | try: |
|
547 | try: | |
548 | return pydoc.text.repr(value) |
|
548 | return pydoc.text.repr(value) | |
549 | except KeyboardInterrupt: |
|
549 | except KeyboardInterrupt: | |
550 | raise |
|
550 | raise | |
551 | except: |
|
551 | except: | |
552 | try: |
|
552 | try: | |
553 | return repr(value) |
|
553 | return repr(value) | |
554 | except KeyboardInterrupt: |
|
554 | except KeyboardInterrupt: | |
555 | raise |
|
555 | raise | |
556 | except: |
|
556 | except: | |
557 | try: |
|
557 | try: | |
558 | # all still in an except block so we catch |
|
558 | # all still in an except block so we catch | |
559 | # getattr raising |
|
559 | # getattr raising | |
560 | name = getattr(value, '__name__', None) |
|
560 | name = getattr(value, '__name__', None) | |
561 | if name: |
|
561 | if name: | |
562 | # ick, recursion |
|
562 | # ick, recursion | |
563 | return text_repr(name) |
|
563 | return text_repr(name) | |
564 | klass = getattr(value, '__class__', None) |
|
564 | klass = getattr(value, '__class__', None) | |
565 | if klass: |
|
565 | if klass: | |
566 | return '%s instance' % text_repr(klass) |
|
566 | return '%s instance' % text_repr(klass) | |
567 | except KeyboardInterrupt: |
|
567 | except KeyboardInterrupt: | |
568 | raise |
|
568 | raise | |
569 | except: |
|
569 | except: | |
570 | return 'UNRECOVERABLE REPR FAILURE' |
|
570 | return 'UNRECOVERABLE REPR FAILURE' | |
571 | def eqrepr(value, repr=text_repr): return '=%s' % repr(value) |
|
571 | def eqrepr(value, repr=text_repr): return '=%s' % repr(value) | |
572 | def nullrepr(value, repr=text_repr): return '' |
|
572 | def nullrepr(value, repr=text_repr): return '' | |
573 |
|
573 | |||
574 | # meat of the code begins |
|
574 | # meat of the code begins | |
575 | try: |
|
575 | try: | |
576 | etype = etype.__name__ |
|
576 | etype = etype.__name__ | |
577 | except AttributeError: |
|
577 | except AttributeError: | |
578 | pass |
|
578 | pass | |
579 |
|
579 | |||
580 | if self.long_header: |
|
580 | if self.long_header: | |
581 | # Header with the exception type, python version, and date |
|
581 | # Header with the exception type, python version, and date | |
582 | pyver = 'Python ' + string.split(sys.version)[0] + ': ' + sys.executable |
|
582 | pyver = 'Python ' + string.split(sys.version)[0] + ': ' + sys.executable | |
583 | date = time.ctime(time.time()) |
|
583 | date = time.ctime(time.time()) | |
584 |
|
584 | |||
585 | head = '%s%s%s\n%s%s%s\n%s' % (Colors.topline, '-'*75, ColorsNormal, |
|
585 | head = '%s%s%s\n%s%s%s\n%s' % (Colors.topline, '-'*75, ColorsNormal, | |
586 | exc, ' '*(75-len(str(etype))-len(pyver)), |
|
586 | exc, ' '*(75-len(str(etype))-len(pyver)), | |
587 | pyver, string.rjust(date, 75) ) |
|
587 | pyver, string.rjust(date, 75) ) | |
588 | head += "\nA problem occured executing Python code. Here is the sequence of function"\ |
|
588 | head += "\nA problem occured executing Python code. Here is the sequence of function"\ | |
589 | "\ncalls leading up to the error, with the most recent (innermost) call last." |
|
589 | "\ncalls leading up to the error, with the most recent (innermost) call last." | |
590 | else: |
|
590 | else: | |
591 | # Simplified header |
|
591 | # Simplified header | |
592 | head = '%s%s%s\n%s%s' % (Colors.topline, '-'*75, ColorsNormal,exc, |
|
592 | head = '%s%s%s\n%s%s' % (Colors.topline, '-'*75, ColorsNormal,exc, | |
593 | string.rjust('Traceback (most recent call last)', |
|
593 | string.rjust('Traceback (most recent call last)', | |
594 | 75 - len(str(etype)) ) ) |
|
594 | 75 - len(str(etype)) ) ) | |
595 | frames = [] |
|
595 | frames = [] | |
596 | # Flush cache before calling inspect. This helps alleviate some of the |
|
596 | # Flush cache before calling inspect. This helps alleviate some of the | |
597 | # problems with python 2.3's inspect.py. |
|
597 | # problems with python 2.3's inspect.py. | |
598 | linecache.checkcache() |
|
598 | linecache.checkcache() | |
599 | # Drop topmost frames if requested |
|
599 | # Drop topmost frames if requested | |
600 | try: |
|
600 | try: | |
601 | # Try the default getinnerframes and Alex's: Alex's fixes some |
|
601 | # Try the default getinnerframes and Alex's: Alex's fixes some | |
602 | # problems, but it generates empty tracebacks for console errors |
|
602 | # problems, but it generates empty tracebacks for console errors | |
603 | # (5 blanks lines) where none should be returned. |
|
603 | # (5 blanks lines) where none should be returned. | |
604 | #records = inspect.getinnerframes(etb, context)[self.tb_offset:] |
|
604 | #records = inspect.getinnerframes(etb, context)[self.tb_offset:] | |
605 | #print 'python records:', records # dbg |
|
605 | #print 'python records:', records # dbg | |
606 | records = _fixed_getinnerframes(etb, context,self.tb_offset) |
|
606 | records = _fixed_getinnerframes(etb, context,self.tb_offset) | |
607 | #print 'alex records:', records # dbg |
|
607 | #print 'alex records:', records # dbg | |
608 | except: |
|
608 | except: | |
609 |
|
609 | |||
610 | # FIXME: I've been getting many crash reports from python 2.3 |
|
610 | # FIXME: I've been getting many crash reports from python 2.3 | |
611 | # users, traceable to inspect.py. If I can find a small test-case |
|
611 | # users, traceable to inspect.py. If I can find a small test-case | |
612 | # to reproduce this, I should either write a better workaround or |
|
612 | # to reproduce this, I should either write a better workaround or | |
613 | # file a bug report against inspect (if that's the real problem). |
|
613 | # file a bug report against inspect (if that's the real problem). | |
614 | # So far, I haven't been able to find an isolated example to |
|
614 | # So far, I haven't been able to find an isolated example to | |
615 | # reproduce the problem. |
|
615 | # reproduce the problem. | |
616 | inspect_error() |
|
616 | inspect_error() | |
617 | traceback.print_exc(file=Term.cerr) |
|
617 | traceback.print_exc(file=Term.cerr) | |
618 | info('\nUnfortunately, your original traceback can not be constructed.\n') |
|
618 | info('\nUnfortunately, your original traceback can not be constructed.\n') | |
619 | return '' |
|
619 | return '' | |
620 |
|
620 | |||
621 | # build some color string templates outside these nested loops |
|
621 | # build some color string templates outside these nested loops | |
622 | tpl_link = '%s%%s%s' % (Colors.filenameEm,ColorsNormal) |
|
622 | tpl_link = '%s%%s%s' % (Colors.filenameEm,ColorsNormal) | |
623 | tpl_call = 'in %s%%s%s%%s%s' % (Colors.vName, Colors.valEm, |
|
623 | tpl_call = 'in %s%%s%s%%s%s' % (Colors.vName, Colors.valEm, | |
624 | ColorsNormal) |
|
624 | ColorsNormal) | |
625 | tpl_call_fail = 'in %s%%s%s(***failed resolving arguments***)%s' % \ |
|
625 | tpl_call_fail = 'in %s%%s%s(***failed resolving arguments***)%s' % \ | |
626 | (Colors.vName, Colors.valEm, ColorsNormal) |
|
626 | (Colors.vName, Colors.valEm, ColorsNormal) | |
627 | tpl_local_var = '%s%%s%s' % (Colors.vName, ColorsNormal) |
|
627 | tpl_local_var = '%s%%s%s' % (Colors.vName, ColorsNormal) | |
628 | tpl_global_var = '%sglobal%s %s%%s%s' % (Colors.em, ColorsNormal, |
|
628 | tpl_global_var = '%sglobal%s %s%%s%s' % (Colors.em, ColorsNormal, | |
629 | Colors.vName, ColorsNormal) |
|
629 | Colors.vName, ColorsNormal) | |
630 | tpl_name_val = '%%s %s= %%s%s' % (Colors.valEm, ColorsNormal) |
|
630 | tpl_name_val = '%%s %s= %%s%s' % (Colors.valEm, ColorsNormal) | |
631 | tpl_line = '%s%%s%s %%s' % (Colors.lineno, ColorsNormal) |
|
631 | tpl_line = '%s%%s%s %%s' % (Colors.lineno, ColorsNormal) | |
632 | tpl_line_em = '%s%%s%s %%s%s' % (Colors.linenoEm,Colors.line, |
|
632 | tpl_line_em = '%s%%s%s %%s%s' % (Colors.linenoEm,Colors.line, | |
633 | ColorsNormal) |
|
633 | ColorsNormal) | |
634 |
|
634 | |||
635 | # now, loop over all records printing context and info |
|
635 | # now, loop over all records printing context and info | |
636 | abspath = os.path.abspath |
|
636 | abspath = os.path.abspath | |
637 | for frame, file, lnum, func, lines, index in records: |
|
637 | for frame, file, lnum, func, lines, index in records: | |
638 | #print '*** record:',file,lnum,func,lines,index # dbg |
|
638 | #print '*** record:',file,lnum,func,lines,index # dbg | |
639 | try: |
|
639 | try: | |
640 | file = file and abspath(file) or '?' |
|
640 | file = file and abspath(file) or '?' | |
641 | except OSError: |
|
641 | except OSError: | |
642 | # if file is '<console>' or something not in the filesystem, |
|
642 | # if file is '<console>' or something not in the filesystem, | |
643 | # the abspath call will throw an OSError. Just ignore it and |
|
643 | # the abspath call will throw an OSError. Just ignore it and | |
644 | # keep the original file string. |
|
644 | # keep the original file string. | |
645 | pass |
|
645 | pass | |
646 | link = tpl_link % file |
|
646 | link = tpl_link % file | |
647 | try: |
|
647 | try: | |
648 | args, varargs, varkw, locals = inspect.getargvalues(frame) |
|
648 | args, varargs, varkw, locals = inspect.getargvalues(frame) | |
649 | except: |
|
649 | except: | |
650 | # This can happen due to a bug in python2.3. We should be |
|
650 | # This can happen due to a bug in python2.3. We should be | |
651 | # able to remove this try/except when 2.4 becomes a |
|
651 | # able to remove this try/except when 2.4 becomes a | |
652 | # requirement. Bug details at http://python.org/sf/1005466 |
|
652 | # requirement. Bug details at http://python.org/sf/1005466 | |
653 | inspect_error() |
|
653 | inspect_error() | |
654 | traceback.print_exc(file=Term.cerr) |
|
654 | traceback.print_exc(file=Term.cerr) | |
655 | info("\nIPython's exception reporting continues...\n") |
|
655 | info("\nIPython's exception reporting continues...\n") | |
656 |
|
656 | |||
657 | if func == '?': |
|
657 | if func == '?': | |
658 | call = '' |
|
658 | call = '' | |
659 | else: |
|
659 | else: | |
660 | # Decide whether to include variable details or not |
|
660 | # Decide whether to include variable details or not | |
661 | var_repr = self.include_vars and eqrepr or nullrepr |
|
661 | var_repr = self.include_vars and eqrepr or nullrepr | |
662 | try: |
|
662 | try: | |
663 | call = tpl_call % (func,inspect.formatargvalues(args, |
|
663 | call = tpl_call % (func,inspect.formatargvalues(args, | |
664 | varargs, varkw, |
|
664 | varargs, varkw, | |
665 | locals,formatvalue=var_repr)) |
|
665 | locals,formatvalue=var_repr)) | |
666 | except KeyError: |
|
666 | except KeyError: | |
667 | # Very odd crash from inspect.formatargvalues(). The |
|
667 | # Very odd crash from inspect.formatargvalues(). The | |
668 | # scenario under which it appeared was a call to |
|
668 | # scenario under which it appeared was a call to | |
669 | # view(array,scale) in NumTut.view.view(), where scale had |
|
669 | # view(array,scale) in NumTut.view.view(), where scale had | |
670 | # been defined as a scalar (it should be a tuple). Somehow |
|
670 | # been defined as a scalar (it should be a tuple). Somehow | |
671 | # inspect messes up resolving the argument list of view() |
|
671 | # inspect messes up resolving the argument list of view() | |
672 | # and barfs out. At some point I should dig into this one |
|
672 | # and barfs out. At some point I should dig into this one | |
673 | # and file a bug report about it. |
|
673 | # and file a bug report about it. | |
674 | inspect_error() |
|
674 | inspect_error() | |
675 | traceback.print_exc(file=Term.cerr) |
|
675 | traceback.print_exc(file=Term.cerr) | |
676 | info("\nIPython's exception reporting continues...\n") |
|
676 | info("\nIPython's exception reporting continues...\n") | |
677 | call = tpl_call_fail % func |
|
677 | call = tpl_call_fail % func | |
678 |
|
678 | |||
679 | # Initialize a list of names on the current line, which the |
|
679 | # Initialize a list of names on the current line, which the | |
680 | # tokenizer below will populate. |
|
680 | # tokenizer below will populate. | |
681 | names = [] |
|
681 | names = [] | |
682 |
|
682 | |||
683 | def tokeneater(token_type, token, start, end, line): |
|
683 | def tokeneater(token_type, token, start, end, line): | |
684 | """Stateful tokeneater which builds dotted names. |
|
684 | """Stateful tokeneater which builds dotted names. | |
685 |
|
685 | |||
686 | The list of names it appends to (from the enclosing scope) can |
|
686 | The list of names it appends to (from the enclosing scope) can | |
687 | contain repeated composite names. This is unavoidable, since |
|
687 | contain repeated composite names. This is unavoidable, since | |
688 | there is no way to disambguate partial dotted structures until |
|
688 | there is no way to disambguate partial dotted structures until | |
689 | the full list is known. The caller is responsible for pruning |
|
689 | the full list is known. The caller is responsible for pruning | |
690 | the final list of duplicates before using it.""" |
|
690 | the final list of duplicates before using it.""" | |
691 |
|
691 | |||
692 | # build composite names |
|
692 | # build composite names | |
693 | if token == '.': |
|
693 | if token == '.': | |
694 | try: |
|
694 | try: | |
695 | names[-1] += '.' |
|
695 | names[-1] += '.' | |
696 | # store state so the next token is added for x.y.z names |
|
696 | # store state so the next token is added for x.y.z names | |
697 | tokeneater.name_cont = True |
|
697 | tokeneater.name_cont = True | |
698 | return |
|
698 | return | |
699 | except IndexError: |
|
699 | except IndexError: | |
700 | pass |
|
700 | pass | |
701 | if token_type == tokenize.NAME and token not in keyword.kwlist: |
|
701 | if token_type == tokenize.NAME and token not in keyword.kwlist: | |
702 | if tokeneater.name_cont: |
|
702 | if tokeneater.name_cont: | |
703 | # Dotted names |
|
703 | # Dotted names | |
704 | names[-1] += token |
|
704 | names[-1] += token | |
705 | tokeneater.name_cont = False |
|
705 | tokeneater.name_cont = False | |
706 | else: |
|
706 | else: | |
707 | # Regular new names. We append everything, the caller |
|
707 | # Regular new names. We append everything, the caller | |
708 | # will be responsible for pruning the list later. It's |
|
708 | # will be responsible for pruning the list later. It's | |
709 | # very tricky to try to prune as we go, b/c composite |
|
709 | # very tricky to try to prune as we go, b/c composite | |
710 | # names can fool us. The pruning at the end is easy |
|
710 | # names can fool us. The pruning at the end is easy | |
711 | # to do (or the caller can print a list with repeated |
|
711 | # to do (or the caller can print a list with repeated | |
712 | # names if so desired. |
|
712 | # names if so desired. | |
713 | names.append(token) |
|
713 | names.append(token) | |
714 | elif token_type == tokenize.NEWLINE: |
|
714 | elif token_type == tokenize.NEWLINE: | |
715 | raise IndexError |
|
715 | raise IndexError | |
716 | # we need to store a bit of state in the tokenizer to build |
|
716 | # we need to store a bit of state in the tokenizer to build | |
717 | # dotted names |
|
717 | # dotted names | |
718 | tokeneater.name_cont = False |
|
718 | tokeneater.name_cont = False | |
719 |
|
719 | |||
720 | def linereader(file=file, lnum=[lnum], getline=linecache.getline): |
|
720 | def linereader(file=file, lnum=[lnum], getline=linecache.getline): | |
721 | line = getline(file, lnum[0]) |
|
721 | line = getline(file, lnum[0]) | |
722 | lnum[0] += 1 |
|
722 | lnum[0] += 1 | |
723 | return line |
|
723 | return line | |
724 |
|
724 | |||
725 | # Build the list of names on this line of code where the exception |
|
725 | # Build the list of names on this line of code where the exception | |
726 | # occurred. |
|
726 | # occurred. | |
727 | try: |
|
727 | try: | |
728 | # This builds the names list in-place by capturing it from the |
|
728 | # This builds the names list in-place by capturing it from the | |
729 | # enclosing scope. |
|
729 | # enclosing scope. | |
730 | tokenize.tokenize(linereader, tokeneater) |
|
730 | tokenize.tokenize(linereader, tokeneater) | |
731 | except IndexError: |
|
731 | except IndexError: | |
732 | # signals exit of tokenizer |
|
732 | # signals exit of tokenizer | |
733 | pass |
|
733 | pass | |
734 | except tokenize.TokenError,msg: |
|
734 | except tokenize.TokenError,msg: | |
735 | _m = ("An unexpected error occurred while tokenizing input\n" |
|
735 | _m = ("An unexpected error occurred while tokenizing input\n" | |
736 | "The following traceback may be corrupted or invalid\n" |
|
736 | "The following traceback may be corrupted or invalid\n" | |
737 | "The error message is: %s\n" % msg) |
|
737 | "The error message is: %s\n" % msg) | |
738 | error(_m) |
|
738 | error(_m) | |
739 |
|
739 | |||
740 | # prune names list of duplicates, but keep the right order |
|
740 | # prune names list of duplicates, but keep the right order | |
741 | unique_names = uniq_stable(names) |
|
741 | unique_names = uniq_stable(names) | |
742 |
|
742 | |||
743 | # Start loop over vars |
|
743 | # Start loop over vars | |
744 | lvals = [] |
|
744 | lvals = [] | |
745 | if self.include_vars: |
|
745 | if self.include_vars: | |
746 | for name_full in unique_names: |
|
746 | for name_full in unique_names: | |
747 | name_base = name_full.split('.',1)[0] |
|
747 | name_base = name_full.split('.',1)[0] | |
748 | if name_base in frame.f_code.co_varnames: |
|
748 | if name_base in frame.f_code.co_varnames: | |
749 | if locals.has_key(name_base): |
|
749 | if locals.has_key(name_base): | |
750 | try: |
|
750 | try: | |
751 | value = repr(eval(name_full,locals)) |
|
751 | value = repr(eval(name_full,locals)) | |
752 | except: |
|
752 | except: | |
753 | value = undefined |
|
753 | value = undefined | |
754 | else: |
|
754 | else: | |
755 | value = undefined |
|
755 | value = undefined | |
756 | name = tpl_local_var % name_full |
|
756 | name = tpl_local_var % name_full | |
757 | else: |
|
757 | else: | |
758 | if frame.f_globals.has_key(name_base): |
|
758 | if frame.f_globals.has_key(name_base): | |
759 | try: |
|
759 | try: | |
760 | value = repr(eval(name_full,frame.f_globals)) |
|
760 | value = repr(eval(name_full,frame.f_globals)) | |
761 | except: |
|
761 | except: | |
762 | value = undefined |
|
762 | value = undefined | |
763 | else: |
|
763 | else: | |
764 | value = undefined |
|
764 | value = undefined | |
765 | name = tpl_global_var % name_full |
|
765 | name = tpl_global_var % name_full | |
766 | lvals.append(tpl_name_val % (name,value)) |
|
766 | lvals.append(tpl_name_val % (name,value)) | |
767 | if lvals: |
|
767 | if lvals: | |
768 | lvals = '%s%s' % (indent,em_normal.join(lvals)) |
|
768 | lvals = '%s%s' % (indent,em_normal.join(lvals)) | |
769 | else: |
|
769 | else: | |
770 | lvals = '' |
|
770 | lvals = '' | |
771 |
|
771 | |||
772 | level = '%s %s\n' % (link,call) |
|
772 | level = '%s %s\n' % (link,call) | |
773 |
|
773 | |||
774 | if index is None: |
|
774 | if index is None: | |
775 | frames.append(level) |
|
775 | frames.append(level) | |
776 | else: |
|
776 | else: | |
777 | frames.append('%s%s' % (level,''.join( |
|
777 | frames.append('%s%s' % (level,''.join( | |
778 | _formatTracebackLines(lnum,index,lines,Colors,lvals, |
|
778 | _formatTracebackLines(lnum,index,lines,Colors,lvals, | |
779 | col_scheme)))) |
|
779 | col_scheme)))) | |
780 |
|
780 | |||
781 | # Get (safely) a string form of the exception info |
|
781 | # Get (safely) a string form of the exception info | |
782 | try: |
|
782 | try: | |
783 | etype_str,evalue_str = map(str,(etype,evalue)) |
|
783 | etype_str,evalue_str = map(str,(etype,evalue)) | |
784 | except: |
|
784 | except: | |
785 | # User exception is improperly defined. |
|
785 | # User exception is improperly defined. | |
786 | etype,evalue = str,sys.exc_info()[:2] |
|
786 | etype,evalue = str,sys.exc_info()[:2] | |
787 | etype_str,evalue_str = map(str,(etype,evalue)) |
|
787 | etype_str,evalue_str = map(str,(etype,evalue)) | |
788 | # ... and format it |
|
788 | # ... and format it | |
789 | exception = ['%s%s%s: %s' % (Colors.excName, etype_str, |
|
789 | exception = ['%s%s%s: %s' % (Colors.excName, etype_str, | |
790 | ColorsNormal, evalue_str)] |
|
790 | ColorsNormal, evalue_str)] | |
791 | if type(evalue) is types.InstanceType: |
|
791 | if type(evalue) is types.InstanceType: | |
792 | try: |
|
792 | try: | |
793 | names = [w for w in dir(evalue) if isinstance(w, basestring)] |
|
793 | names = [w for w in dir(evalue) if isinstance(w, basestring)] | |
794 | except: |
|
794 | except: | |
795 | # Every now and then, an object with funny inernals blows up |
|
795 | # Every now and then, an object with funny inernals blows up | |
796 | # when dir() is called on it. We do the best we can to report |
|
796 | # when dir() is called on it. We do the best we can to report | |
797 | # the problem and continue |
|
797 | # the problem and continue | |
798 | _m = '%sException reporting error (object with broken dir())%s:' |
|
798 | _m = '%sException reporting error (object with broken dir())%s:' | |
799 | exception.append(_m % (Colors.excName,ColorsNormal)) |
|
799 | exception.append(_m % (Colors.excName,ColorsNormal)) | |
800 | etype_str,evalue_str = map(str,sys.exc_info()[:2]) |
|
800 | etype_str,evalue_str = map(str,sys.exc_info()[:2]) | |
801 | exception.append('%s%s%s: %s' % (Colors.excName,etype_str, |
|
801 | exception.append('%s%s%s: %s' % (Colors.excName,etype_str, | |
802 | ColorsNormal, evalue_str)) |
|
802 | ColorsNormal, evalue_str)) | |
803 | names = [] |
|
803 | names = [] | |
804 | for name in names: |
|
804 | for name in names: | |
805 | value = text_repr(getattr(evalue, name)) |
|
805 | value = text_repr(getattr(evalue, name)) | |
806 | exception.append('\n%s%s = %s' % (indent, name, value)) |
|
806 | exception.append('\n%s%s = %s' % (indent, name, value)) | |
807 |
|
807 | |||
808 | # vds: >> |
|
808 | # vds: >> | |
809 | if records: |
|
809 | if records: | |
810 | filepath, lnum = records[-1][1:3] |
|
810 | filepath, lnum = records[-1][1:3] | |
811 | #print "file:", str(file), "linenb", str(lnum) # dbg |
|
811 | #print "file:", str(file), "linenb", str(lnum) # dbg | |
812 | filepath = os.path.abspath(filepath) |
|
812 | filepath = os.path.abspath(filepath) | |
813 | __IPYTHON__.hooks.synchronize_with_editor(filepath, lnum, 0) |
|
813 | __IPYTHON__.hooks.synchronize_with_editor(filepath, lnum, 0) | |
814 | # vds: << |
|
814 | # vds: << | |
815 |
|
815 | |||
816 | # return all our info assembled as a single string |
|
816 | # return all our info assembled as a single string | |
817 | return '%s\n\n%s\n%s' % (head,'\n'.join(frames),''.join(exception[0]) ) |
|
817 | return '%s\n\n%s\n%s' % (head,'\n'.join(frames),''.join(exception[0]) ) | |
818 |
|
818 | |||
819 | def debugger(self,force=False): |
|
819 | def debugger(self,force=False): | |
820 | """Call up the pdb debugger if desired, always clean up the tb |
|
820 | """Call up the pdb debugger if desired, always clean up the tb | |
821 | reference. |
|
821 | reference. | |
822 |
|
822 | |||
823 | Keywords: |
|
823 | Keywords: | |
824 |
|
824 | |||
825 | - force(False): by default, this routine checks the instance call_pdb |
|
825 | - force(False): by default, this routine checks the instance call_pdb | |
826 | flag and does not actually invoke the debugger if the flag is false. |
|
826 | flag and does not actually invoke the debugger if the flag is false. | |
827 | The 'force' option forces the debugger to activate even if the flag |
|
827 | The 'force' option forces the debugger to activate even if the flag | |
828 | is false. |
|
828 | is false. | |
829 |
|
829 | |||
830 | If the call_pdb flag is set, the pdb interactive debugger is |
|
830 | If the call_pdb flag is set, the pdb interactive debugger is | |
831 | invoked. In all cases, the self.tb reference to the current traceback |
|
831 | invoked. In all cases, the self.tb reference to the current traceback | |
832 | is deleted to prevent lingering references which hamper memory |
|
832 | is deleted to prevent lingering references which hamper memory | |
833 | management. |
|
833 | management. | |
834 |
|
834 | |||
835 | Note that each call to pdb() does an 'import readline', so if your app |
|
835 | Note that each call to pdb() does an 'import readline', so if your app | |
836 | requires a special setup for the readline completers, you'll have to |
|
836 | requires a special setup for the readline completers, you'll have to | |
837 | fix that by hand after invoking the exception handler.""" |
|
837 | fix that by hand after invoking the exception handler.""" | |
838 |
|
838 | |||
839 | if force or self.call_pdb: |
|
839 | if force or self.call_pdb: | |
840 | if self.pdb is None: |
|
840 | if self.pdb is None: | |
841 | self.pdb = debugger.Pdb( |
|
841 | self.pdb = debugger.Pdb( | |
842 | self.color_scheme_table.active_scheme_name) |
|
842 | self.color_scheme_table.active_scheme_name) | |
843 | # the system displayhook may have changed, restore the original |
|
843 | # the system displayhook may have changed, restore the original | |
844 | # for pdb |
|
844 | # for pdb | |
845 | dhook = sys.displayhook |
|
845 | dhook = sys.displayhook | |
846 | sys.displayhook = sys.__displayhook__ |
|
846 | sys.displayhook = sys.__displayhook__ | |
847 | self.pdb.reset() |
|
847 | self.pdb.reset() | |
848 | # Find the right frame so we don't pop up inside ipython itself |
|
848 | # Find the right frame so we don't pop up inside ipython itself | |
849 | if hasattr(self,'tb'): |
|
849 | if hasattr(self,'tb'): | |
850 | etb = self.tb |
|
850 | etb = self.tb | |
851 | else: |
|
851 | else: | |
852 | etb = self.tb = sys.last_traceback |
|
852 | etb = self.tb = sys.last_traceback | |
853 | while self.tb.tb_next is not None: |
|
853 | while self.tb.tb_next is not None: | |
854 | self.tb = self.tb.tb_next |
|
854 | self.tb = self.tb.tb_next | |
855 | try: |
|
855 | try: | |
856 | if etb and etb.tb_next: |
|
856 | if etb and etb.tb_next: | |
857 | etb = etb.tb_next |
|
857 | etb = etb.tb_next | |
858 | self.pdb.botframe = etb.tb_frame |
|
858 | self.pdb.botframe = etb.tb_frame | |
859 | self.pdb.interaction(self.tb.tb_frame, self.tb) |
|
859 | self.pdb.interaction(self.tb.tb_frame, self.tb) | |
860 | finally: |
|
860 | finally: | |
861 | sys.displayhook = dhook |
|
861 | sys.displayhook = dhook | |
862 |
|
862 | |||
863 | if hasattr(self,'tb'): |
|
863 | if hasattr(self,'tb'): | |
864 | del self.tb |
|
864 | del self.tb | |
865 |
|
865 | |||
866 | def handler(self, info=None): |
|
866 | def handler(self, info=None): | |
867 | (etype, evalue, etb) = info or sys.exc_info() |
|
867 | (etype, evalue, etb) = info or sys.exc_info() | |
868 | self.tb = etb |
|
868 | self.tb = etb | |
869 | Term.cout.flush() |
|
869 | Term.cout.flush() | |
870 | print >> Term.cerr, self.text(etype, evalue, etb) |
|
870 | print >> Term.cerr, self.text(etype, evalue, etb) | |
871 | Term.cerr.flush() |
|
871 | Term.cerr.flush() | |
872 |
|
872 | |||
873 | # Changed so an instance can just be called as VerboseTB_inst() and print |
|
873 | # Changed so an instance can just be called as VerboseTB_inst() and print | |
874 | # out the right info on its own. |
|
874 | # out the right info on its own. | |
875 | def __call__(self, etype=None, evalue=None, etb=None): |
|
875 | def __call__(self, etype=None, evalue=None, etb=None): | |
876 | """This hook can replace sys.excepthook (for Python 2.1 or higher).""" |
|
876 | """This hook can replace sys.excepthook (for Python 2.1 or higher).""" | |
877 | if etb is None: |
|
877 | if etb is None: | |
878 | self.handler() |
|
878 | self.handler() | |
879 | else: |
|
879 | else: | |
880 | self.handler((etype, evalue, etb)) |
|
880 | self.handler((etype, evalue, etb)) | |
881 | try: |
|
881 | try: | |
882 | self.debugger() |
|
882 | self.debugger() | |
883 | except KeyboardInterrupt: |
|
883 | except KeyboardInterrupt: | |
884 | print "\nKeyboardInterrupt" |
|
884 | print "\nKeyboardInterrupt" | |
885 |
|
885 | |||
886 | #---------------------------------------------------------------------------- |
|
886 | #---------------------------------------------------------------------------- | |
887 | class FormattedTB(VerboseTB,ListTB): |
|
887 | class FormattedTB(VerboseTB,ListTB): | |
888 | """Subclass ListTB but allow calling with a traceback. |
|
888 | """Subclass ListTB but allow calling with a traceback. | |
889 |
|
889 | |||
890 | It can thus be used as a sys.excepthook for Python > 2.1. |
|
890 | It can thus be used as a sys.excepthook for Python > 2.1. | |
891 |
|
891 | |||
892 | Also adds 'Context' and 'Verbose' modes, not available in ListTB. |
|
892 | Also adds 'Context' and 'Verbose' modes, not available in ListTB. | |
893 |
|
893 | |||
894 | Allows a tb_offset to be specified. This is useful for situations where |
|
894 | Allows a tb_offset to be specified. This is useful for situations where | |
895 | one needs to remove a number of topmost frames from the traceback (such as |
|
895 | one needs to remove a number of topmost frames from the traceback (such as | |
896 | occurs with python programs that themselves execute other python code, |
|
896 | occurs with python programs that themselves execute other python code, | |
897 | like Python shells). """ |
|
897 | like Python shells). """ | |
898 |
|
898 | |||
899 | def __init__(self, mode = 'Plain', color_scheme='Linux', |
|
899 | def __init__(self, mode = 'Plain', color_scheme='Linux', | |
900 | tb_offset = 0,long_header=0,call_pdb=0,include_vars=0): |
|
900 | tb_offset = 0,long_header=0,call_pdb=0,include_vars=0): | |
901 |
|
901 | |||
902 | # NEVER change the order of this list. Put new modes at the end: |
|
902 | # NEVER change the order of this list. Put new modes at the end: | |
903 | self.valid_modes = ['Plain','Context','Verbose'] |
|
903 | self.valid_modes = ['Plain','Context','Verbose'] | |
904 | self.verbose_modes = self.valid_modes[1:3] |
|
904 | self.verbose_modes = self.valid_modes[1:3] | |
905 |
|
905 | |||
906 | VerboseTB.__init__(self,color_scheme,tb_offset,long_header, |
|
906 | VerboseTB.__init__(self,color_scheme,tb_offset,long_header, | |
907 | call_pdb=call_pdb,include_vars=include_vars) |
|
907 | call_pdb=call_pdb,include_vars=include_vars) | |
908 | self.set_mode(mode) |
|
908 | self.set_mode(mode) | |
909 |
|
909 | |||
910 | def _extract_tb(self,tb): |
|
910 | def _extract_tb(self,tb): | |
911 | if tb: |
|
911 | if tb: | |
912 | return traceback.extract_tb(tb) |
|
912 | return traceback.extract_tb(tb) | |
913 | else: |
|
913 | else: | |
914 | return None |
|
914 | return None | |
915 |
|
915 | |||
916 | def text(self, etype, value, tb,context=5,mode=None): |
|
916 | def text(self, etype, value, tb,context=5,mode=None): | |
917 | """Return formatted traceback. |
|
917 | """Return formatted traceback. | |
918 |
|
918 | |||
919 | If the optional mode parameter is given, it overrides the current |
|
919 | If the optional mode parameter is given, it overrides the current | |
920 | mode.""" |
|
920 | mode.""" | |
921 |
|
921 | |||
922 | if mode is None: |
|
922 | if mode is None: | |
923 | mode = self.mode |
|
923 | mode = self.mode | |
924 | if mode in self.verbose_modes: |
|
924 | if mode in self.verbose_modes: | |
925 | # verbose modes need a full traceback |
|
925 | # verbose modes need a full traceback | |
926 | return VerboseTB.text(self,etype, value, tb,context=5) |
|
926 | return VerboseTB.text(self,etype, value, tb,context=5) | |
927 | else: |
|
927 | else: | |
928 | # We must check the source cache because otherwise we can print |
|
928 | # We must check the source cache because otherwise we can print | |
929 | # out-of-date source code. |
|
929 | # out-of-date source code. | |
930 | linecache.checkcache() |
|
930 | linecache.checkcache() | |
931 | # Now we can extract and format the exception |
|
931 | # Now we can extract and format the exception | |
932 | elist = self._extract_tb(tb) |
|
932 | elist = self._extract_tb(tb) | |
933 | if len(elist) > self.tb_offset: |
|
933 | if len(elist) > self.tb_offset: | |
934 | del elist[:self.tb_offset] |
|
934 | del elist[:self.tb_offset] | |
935 | return ListTB.text(self,etype,value,elist) |
|
935 | return ListTB.text(self,etype,value,elist) | |
936 |
|
936 | |||
937 | def set_mode(self,mode=None): |
|
937 | def set_mode(self,mode=None): | |
938 | """Switch to the desired mode. |
|
938 | """Switch to the desired mode. | |
939 |
|
939 | |||
940 | If mode is not specified, cycles through the available modes.""" |
|
940 | If mode is not specified, cycles through the available modes.""" | |
941 |
|
941 | |||
942 | if not mode: |
|
942 | if not mode: | |
943 | new_idx = ( self.valid_modes.index(self.mode) + 1 ) % \ |
|
943 | new_idx = ( self.valid_modes.index(self.mode) + 1 ) % \ | |
944 | len(self.valid_modes) |
|
944 | len(self.valid_modes) | |
945 | self.mode = self.valid_modes[new_idx] |
|
945 | self.mode = self.valid_modes[new_idx] | |
946 | elif mode not in self.valid_modes: |
|
946 | elif mode not in self.valid_modes: | |
947 | raise ValueError, 'Unrecognized mode in FormattedTB: <'+mode+'>\n'\ |
|
947 | raise ValueError, 'Unrecognized mode in FormattedTB: <'+mode+'>\n'\ | |
948 | 'Valid modes: '+str(self.valid_modes) |
|
948 | 'Valid modes: '+str(self.valid_modes) | |
949 | else: |
|
949 | else: | |
950 | self.mode = mode |
|
950 | self.mode = mode | |
951 | # include variable details only in 'Verbose' mode |
|
951 | # include variable details only in 'Verbose' mode | |
952 | self.include_vars = (self.mode == self.valid_modes[2]) |
|
952 | self.include_vars = (self.mode == self.valid_modes[2]) | |
953 |
|
953 | |||
954 | # some convenient shorcuts |
|
954 | # some convenient shorcuts | |
955 | def plain(self): |
|
955 | def plain(self): | |
956 | self.set_mode(self.valid_modes[0]) |
|
956 | self.set_mode(self.valid_modes[0]) | |
957 |
|
957 | |||
958 | def context(self): |
|
958 | def context(self): | |
959 | self.set_mode(self.valid_modes[1]) |
|
959 | self.set_mode(self.valid_modes[1]) | |
960 |
|
960 | |||
961 | def verbose(self): |
|
961 | def verbose(self): | |
962 | self.set_mode(self.valid_modes[2]) |
|
962 | self.set_mode(self.valid_modes[2]) | |
963 |
|
963 | |||
964 | #---------------------------------------------------------------------------- |
|
964 | #---------------------------------------------------------------------------- | |
965 | class AutoFormattedTB(FormattedTB): |
|
965 | class AutoFormattedTB(FormattedTB): | |
966 | """A traceback printer which can be called on the fly. |
|
966 | """A traceback printer which can be called on the fly. | |
967 |
|
967 | |||
968 | It will find out about exceptions by itself. |
|
968 | It will find out about exceptions by itself. | |
969 |
|
969 | |||
970 | A brief example: |
|
970 | A brief example: | |
971 |
|
971 | |||
972 | AutoTB = AutoFormattedTB(mode = 'Verbose',color_scheme='Linux') |
|
972 | AutoTB = AutoFormattedTB(mode = 'Verbose',color_scheme='Linux') | |
973 | try: |
|
973 | try: | |
974 | ... |
|
974 | ... | |
975 | except: |
|
975 | except: | |
976 | AutoTB() # or AutoTB(out=logfile) where logfile is an open file object |
|
976 | AutoTB() # or AutoTB(out=logfile) where logfile is an open file object | |
977 | """ |
|
977 | """ | |
978 | def __call__(self,etype=None,evalue=None,etb=None, |
|
978 | def __call__(self,etype=None,evalue=None,etb=None, | |
979 | out=None,tb_offset=None): |
|
979 | out=None,tb_offset=None): | |
980 | """Print out a formatted exception traceback. |
|
980 | """Print out a formatted exception traceback. | |
981 |
|
981 | |||
982 | Optional arguments: |
|
982 | Optional arguments: | |
983 | - out: an open file-like object to direct output to. |
|
983 | - out: an open file-like object to direct output to. | |
984 |
|
984 | |||
985 | - tb_offset: the number of frames to skip over in the stack, on a |
|
985 | - tb_offset: the number of frames to skip over in the stack, on a | |
986 | per-call basis (this overrides temporarily the instance's tb_offset |
|
986 | per-call basis (this overrides temporarily the instance's tb_offset | |
987 | given at initialization time. """ |
|
987 | given at initialization time. """ | |
988 |
|
988 | |||
989 | if out is None: |
|
989 | if out is None: | |
990 | out = Term.cerr |
|
990 | out = Term.cerr | |
991 | Term.cout.flush() |
|
991 | Term.cout.flush() | |
992 | if tb_offset is not None: |
|
992 | if tb_offset is not None: | |
993 | tb_offset, self.tb_offset = self.tb_offset, tb_offset |
|
993 | tb_offset, self.tb_offset = self.tb_offset, tb_offset | |
994 | print >> out, self.text(etype, evalue, etb) |
|
994 | print >> out, self.text(etype, evalue, etb) | |
995 | self.tb_offset = tb_offset |
|
995 | self.tb_offset = tb_offset | |
996 | else: |
|
996 | else: | |
997 | print >> out, self.text(etype, evalue, etb) |
|
997 | print >> out, self.text(etype, evalue, etb) | |
998 | out.flush() |
|
998 | out.flush() | |
999 | try: |
|
999 | try: | |
1000 | self.debugger() |
|
1000 | self.debugger() | |
1001 | except KeyboardInterrupt: |
|
1001 | except KeyboardInterrupt: | |
1002 | print "\nKeyboardInterrupt" |
|
1002 | print "\nKeyboardInterrupt" | |
1003 |
|
1003 | |||
1004 | def text(self,etype=None,value=None,tb=None,context=5,mode=None): |
|
1004 | def text(self,etype=None,value=None,tb=None,context=5,mode=None): | |
1005 | if etype is None: |
|
1005 | if etype is None: | |
1006 | etype,value,tb = sys.exc_info() |
|
1006 | etype,value,tb = sys.exc_info() | |
1007 | self.tb = tb |
|
1007 | self.tb = tb | |
1008 | return FormattedTB.text(self,etype,value,tb,context=5,mode=mode) |
|
1008 | return FormattedTB.text(self,etype,value,tb,context=5,mode=mode) | |
1009 |
|
1009 | |||
1010 | #--------------------------------------------------------------------------- |
|
1010 | #--------------------------------------------------------------------------- | |
1011 | # A simple class to preserve Nathan's original functionality. |
|
1011 | # A simple class to preserve Nathan's original functionality. | |
1012 | class ColorTB(FormattedTB): |
|
1012 | class ColorTB(FormattedTB): | |
1013 | """Shorthand to initialize a FormattedTB in Linux colors mode.""" |
|
1013 | """Shorthand to initialize a FormattedTB in Linux colors mode.""" | |
1014 | def __init__(self,color_scheme='Linux',call_pdb=0): |
|
1014 | def __init__(self,color_scheme='Linux',call_pdb=0): | |
1015 | FormattedTB.__init__(self,color_scheme=color_scheme, |
|
1015 | FormattedTB.__init__(self,color_scheme=color_scheme, | |
1016 | call_pdb=call_pdb) |
|
1016 | call_pdb=call_pdb) | |
1017 |
|
1017 | |||
1018 | #---------------------------------------------------------------------------- |
|
1018 | #---------------------------------------------------------------------------- | |
1019 | # module testing (minimal) |
|
1019 | # module testing (minimal) | |
1020 | if __name__ == "__main__": |
|
1020 | if __name__ == "__main__": | |
1021 | def spam(c, (d, e)): |
|
1021 | def spam(c, (d, e)): | |
1022 | x = c + d |
|
1022 | x = c + d | |
1023 | y = c * d |
|
1023 | y = c * d | |
1024 | foo(x, y) |
|
1024 | foo(x, y) | |
1025 |
|
1025 | |||
1026 | def foo(a, b, bar=1): |
|
1026 | def foo(a, b, bar=1): | |
1027 | eggs(a, b + bar) |
|
1027 | eggs(a, b + bar) | |
1028 |
|
1028 | |||
1029 | def eggs(f, g, z=globals()): |
|
1029 | def eggs(f, g, z=globals()): | |
1030 | h = f + g |
|
1030 | h = f + g | |
1031 | i = f - g |
|
1031 | i = f - g | |
1032 | return h / i |
|
1032 | return h / i | |
1033 |
|
1033 | |||
1034 | print '' |
|
1034 | print '' | |
1035 | print '*** Before ***' |
|
1035 | print '*** Before ***' | |
1036 | try: |
|
1036 | try: | |
1037 | print spam(1, (2, 3)) |
|
1037 | print spam(1, (2, 3)) | |
1038 | except: |
|
1038 | except: | |
1039 | traceback.print_exc() |
|
1039 | traceback.print_exc() | |
1040 | print '' |
|
1040 | print '' | |
1041 |
|
1041 | |||
1042 | handler = ColorTB() |
|
1042 | handler = ColorTB() | |
1043 | print '*** ColorTB ***' |
|
1043 | print '*** ColorTB ***' | |
1044 | try: |
|
1044 | try: | |
1045 | print spam(1, (2, 3)) |
|
1045 | print spam(1, (2, 3)) | |
1046 | except: |
|
1046 | except: | |
1047 | apply(handler, sys.exc_info() ) |
|
1047 | apply(handler, sys.exc_info() ) | |
1048 | print '' |
|
1048 | print '' | |
1049 |
|
1049 | |||
1050 | handler = VerboseTB() |
|
1050 | handler = VerboseTB() | |
1051 | print '*** VerboseTB ***' |
|
1051 | print '*** VerboseTB ***' | |
1052 | try: |
|
1052 | try: | |
1053 | print spam(1, (2, 3)) |
|
1053 | print spam(1, (2, 3)) | |
1054 | except: |
|
1054 | except: | |
1055 | apply(handler, sys.exc_info() ) |
|
1055 | apply(handler, sys.exc_info() ) | |
1056 | print '' |
|
1056 | print '' | |
1057 |
|
1057 |
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