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@@ -1,580 +1,577 b'' | |||||
1 | # -*- coding: utf-8 -*- |
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1 | # -*- coding: utf-8 -*- | |
2 | """ |
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2 | """ | |
3 | Pdb debugger class. |
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3 | Pdb debugger class. | |
4 |
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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: |
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14 | details on the PSF (Python Software Foundation) standard license, see: | |
15 |
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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 | #***************************************************************************** |
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18 | #***************************************************************************** | |
19 | # |
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19 | # | |
20 | # This file is licensed under the PSF license. |
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20 | # This file is licensed under the PSF license. | |
21 | # |
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21 | # | |
22 | # Copyright (C) 2001 Python Software Foundation, www.python.org |
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22 | # Copyright (C) 2001 Python Software Foundation, www.python.org | |
23 | # Copyright (C) 2005-2006 Fernando Perez. <fperez@colorado.edu> |
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23 | # Copyright (C) 2005-2006 Fernando Perez. <fperez@colorado.edu> | |
24 | # |
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24 | # | |
25 | # |
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25 | # | |
26 | #***************************************************************************** |
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26 | #***************************************************************************** | |
27 | from __future__ import print_function |
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27 | from __future__ import print_function | |
28 |
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28 | |||
29 | import bdb |
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29 | import bdb | |
30 | import functools |
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30 | import functools | |
31 | import inspect |
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31 | import inspect | |
32 | import sys |
|
32 | import sys | |
33 |
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33 | |||
34 | from IPython import get_ipython |
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34 | from IPython import get_ipython | |
35 | from IPython.utils import PyColorize, ulinecache |
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35 | from IPython.utils import PyColorize, ulinecache | |
36 | from IPython.utils import coloransi, py3compat |
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36 | from IPython.utils import coloransi, py3compat | |
37 | from IPython.core.excolors import exception_colors |
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37 | from IPython.core.excolors import exception_colors | |
38 | from IPython.testing.skipdoctest import skip_doctest |
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38 | from IPython.testing.skipdoctest import skip_doctest | |
39 |
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39 | |||
40 |
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40 | |||
41 | prompt = 'ipdb> ' |
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41 | prompt = 'ipdb> ' | |
42 |
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42 | |||
43 | #We have to check this directly from sys.argv, config struct not yet available |
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43 | #We have to check this directly from sys.argv, config struct not yet available | |
44 | from pdb import Pdb as OldPdb |
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44 | from pdb import Pdb as OldPdb | |
45 |
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45 | |||
46 | # Allow the set_trace code to operate outside of an ipython instance, even if |
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46 | # Allow the set_trace code to operate outside of an ipython instance, even if | |
47 | # it does so with some limitations. The rest of this support is implemented in |
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47 | # it does so with some limitations. The rest of this support is implemented in | |
48 | # the Tracer constructor. |
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48 | # the Tracer constructor. | |
49 |
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49 | |||
50 | def make_arrow(pad): |
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50 | def make_arrow(pad): | |
51 | """generate the leading arrow in front of traceback or debugger""" |
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51 | """generate the leading arrow in front of traceback or debugger""" | |
52 | if pad >= 2: |
|
52 | if pad >= 2: | |
53 | return '-'*(pad-2) + '> ' |
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53 | return '-'*(pad-2) + '> ' | |
54 | elif pad == 1: |
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54 | elif pad == 1: | |
55 | return '>' |
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55 | return '>' | |
56 | return '' |
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56 | return '' | |
57 |
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57 | |||
58 |
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58 | |||
59 | def BdbQuit_excepthook(et, ev, tb, excepthook=None): |
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59 | def BdbQuit_excepthook(et, ev, tb, excepthook=None): | |
60 | """Exception hook which handles `BdbQuit` exceptions. |
|
60 | """Exception hook which handles `BdbQuit` exceptions. | |
61 |
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61 | |||
62 | All other exceptions are processed using the `excepthook` |
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62 | All other exceptions are processed using the `excepthook` | |
63 | parameter. |
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63 | parameter. | |
64 | """ |
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64 | """ | |
65 | if et==bdb.BdbQuit: |
|
65 | if et==bdb.BdbQuit: | |
66 | print('Exiting Debugger.') |
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66 | print('Exiting Debugger.') | |
67 | elif excepthook is not None: |
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67 | elif excepthook is not None: | |
68 | excepthook(et, ev, tb) |
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68 | excepthook(et, ev, tb) | |
69 | else: |
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69 | else: | |
70 | # Backwards compatibility. Raise deprecation warning? |
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70 | # Backwards compatibility. Raise deprecation warning? | |
71 | BdbQuit_excepthook.excepthook_ori(et,ev,tb) |
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71 | BdbQuit_excepthook.excepthook_ori(et,ev,tb) | |
72 |
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72 | |||
73 | def BdbQuit_IPython_excepthook(self,et,ev,tb,tb_offset=None): |
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73 | def BdbQuit_IPython_excepthook(self,et,ev,tb,tb_offset=None): | |
74 | print('Exiting Debugger.') |
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74 | print('Exiting Debugger.') | |
75 |
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75 | |||
76 |
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76 | |||
77 | class Tracer(object): |
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77 | class Tracer(object): | |
78 | """Class for local debugging, similar to pdb.set_trace. |
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78 | """Class for local debugging, similar to pdb.set_trace. | |
79 |
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79 | |||
80 | Instances of this class, when called, behave like pdb.set_trace, but |
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80 | Instances of this class, when called, behave like pdb.set_trace, but | |
81 | providing IPython's enhanced capabilities. |
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81 | providing IPython's enhanced capabilities. | |
82 |
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82 | |||
83 | This is implemented as a class which must be initialized in your own code |
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83 | This is implemented as a class which must be initialized in your own code | |
84 | and not as a standalone function because we need to detect at runtime |
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84 | and not as a standalone function because we need to detect at runtime | |
85 | whether IPython is already active or not. That detection is done in the |
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85 | whether IPython is already active or not. That detection is done in the | |
86 | constructor, ensuring that this code plays nicely with a running IPython, |
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86 | constructor, ensuring that this code plays nicely with a running IPython, | |
87 | while functioning acceptably (though with limitations) if outside of it. |
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87 | while functioning acceptably (though with limitations) if outside of it. | |
88 | """ |
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88 | """ | |
89 |
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89 | |||
90 | @skip_doctest |
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90 | @skip_doctest | |
91 | def __init__(self, colors=None): |
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91 | def __init__(self, colors=None): | |
92 | """Create a local debugger instance. |
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92 | """Create a local debugger instance. | |
93 |
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93 | |||
94 | Parameters |
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94 | Parameters | |
95 | ---------- |
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95 | ---------- | |
96 |
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96 | |||
97 | colors : str, optional |
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97 | colors : str, optional | |
98 | The name of the color scheme to use, it must be one of IPython's |
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98 | The name of the color scheme to use, it must be one of IPython's | |
99 | valid color schemes. If not given, the function will default to |
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99 | valid color schemes. If not given, the function will default to | |
100 | the current IPython scheme when running inside IPython, and to |
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100 | the current IPython scheme when running inside IPython, and to | |
101 | 'NoColor' otherwise. |
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101 | 'NoColor' otherwise. | |
102 |
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102 | |||
103 | Examples |
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103 | Examples | |
104 | -------- |
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104 | -------- | |
105 | :: |
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105 | :: | |
106 |
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106 | |||
107 | from IPython.core.debugger import Tracer; debug_here = Tracer() |
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107 | from IPython.core.debugger import Tracer; debug_here = Tracer() | |
108 |
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108 | |||
109 | Later in your code:: |
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109 | Later in your code:: | |
110 |
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110 | |||
111 | debug_here() # -> will open up the debugger at that point. |
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111 | debug_here() # -> will open up the debugger at that point. | |
112 |
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112 | |||
113 | Once the debugger activates, you can use all of its regular commands to |
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113 | Once the debugger activates, you can use all of its regular commands to | |
114 | step through code, set breakpoints, etc. See the pdb documentation |
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114 | step through code, set breakpoints, etc. See the pdb documentation | |
115 | from the Python standard library for usage details. |
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115 | from the Python standard library for usage details. | |
116 | """ |
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116 | """ | |
117 |
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117 | |||
118 | ip = get_ipython() |
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118 | ip = get_ipython() | |
119 | if ip is None: |
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119 | if ip is None: | |
120 | # Outside of ipython, we set our own exception hook manually |
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120 | # Outside of ipython, we set our own exception hook manually | |
121 | sys.excepthook = functools.partial(BdbQuit_excepthook, |
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121 | sys.excepthook = functools.partial(BdbQuit_excepthook, | |
122 | excepthook=sys.excepthook) |
|
122 | excepthook=sys.excepthook) | |
123 | def_colors = 'NoColor' |
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123 | def_colors = 'NoColor' | |
124 | else: |
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124 | else: | |
125 | # In ipython, we use its custom exception handler mechanism |
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125 | # In ipython, we use its custom exception handler mechanism | |
126 | def_colors = ip.colors |
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126 | def_colors = ip.colors | |
127 | ip.set_custom_exc((bdb.BdbQuit,), BdbQuit_IPython_excepthook) |
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127 | ip.set_custom_exc((bdb.BdbQuit,), BdbQuit_IPython_excepthook) | |
128 |
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128 | |||
129 | if colors is None: |
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129 | if colors is None: | |
130 | colors = def_colors |
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130 | colors = def_colors | |
131 |
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131 | |||
132 | # The stdlib debugger internally uses a modified repr from the `repr` |
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132 | # The stdlib debugger internally uses a modified repr from the `repr` | |
133 | # module, that limits the length of printed strings to a hardcoded |
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133 | # module, that limits the length of printed strings to a hardcoded | |
134 | # limit of 30 characters. That much trimming is too aggressive, let's |
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134 | # limit of 30 characters. That much trimming is too aggressive, let's | |
135 | # at least raise that limit to 80 chars, which should be enough for |
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135 | # at least raise that limit to 80 chars, which should be enough for | |
136 | # most interactive uses. |
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136 | # most interactive uses. | |
137 | try: |
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137 | try: | |
138 | try: |
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138 | try: | |
139 | from reprlib import aRepr # Py 3 |
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139 | from reprlib import aRepr # Py 3 | |
140 | except ImportError: |
|
140 | except ImportError: | |
141 | from repr import aRepr # Py 2 |
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141 | from repr import aRepr # Py 2 | |
142 | aRepr.maxstring = 80 |
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142 | aRepr.maxstring = 80 | |
143 | except: |
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143 | except: | |
144 | # This is only a user-facing convenience, so any error we encounter |
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144 | # This is only a user-facing convenience, so any error we encounter | |
145 | # here can be warned about but can be otherwise ignored. These |
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145 | # here can be warned about but can be otherwise ignored. These | |
146 | # printouts will tell us about problems if this API changes |
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146 | # printouts will tell us about problems if this API changes | |
147 | import traceback |
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147 | import traceback | |
148 | traceback.print_exc() |
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148 | traceback.print_exc() | |
149 |
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149 | |||
150 | self.debugger = Pdb(colors) |
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150 | self.debugger = Pdb(colors) | |
151 |
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151 | |||
152 | def __call__(self): |
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152 | def __call__(self): | |
153 | """Starts an interactive debugger at the point where called. |
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153 | """Starts an interactive debugger at the point where called. | |
154 |
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154 | |||
155 | This is similar to the pdb.set_trace() function from the std lib, but |
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155 | This is similar to the pdb.set_trace() function from the std lib, but | |
156 | using IPython's enhanced debugger.""" |
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156 | using IPython's enhanced debugger.""" | |
157 |
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157 | |||
158 | self.debugger.set_trace(sys._getframe().f_back) |
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158 | self.debugger.set_trace(sys._getframe().f_back) | |
159 |
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159 | |||
160 |
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160 | |||
161 | def decorate_fn_with_doc(new_fn, old_fn, additional_text=""): |
|
161 | def decorate_fn_with_doc(new_fn, old_fn, additional_text=""): | |
162 | """Make new_fn have old_fn's doc string. This is particularly useful |
|
162 | """Make new_fn have old_fn's doc string. This is particularly useful | |
163 | for the ``do_...`` commands that hook into the help system. |
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163 | for the ``do_...`` commands that hook into the help system. | |
164 | Adapted from from a comp.lang.python posting |
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164 | Adapted from from a comp.lang.python posting | |
165 | by Duncan Booth.""" |
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165 | by Duncan Booth.""" | |
166 | def wrapper(*args, **kw): |
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166 | def wrapper(*args, **kw): | |
167 | return new_fn(*args, **kw) |
|
167 | return new_fn(*args, **kw) | |
168 | if old_fn.__doc__: |
|
168 | if old_fn.__doc__: | |
169 | wrapper.__doc__ = old_fn.__doc__ + additional_text |
|
169 | wrapper.__doc__ = old_fn.__doc__ + additional_text | |
170 | return wrapper |
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170 | return wrapper | |
171 |
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171 | |||
172 |
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172 | |||
173 | def _file_lines(fname): |
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173 | def _file_lines(fname): | |
174 | """Return the contents of a named file as a list of lines. |
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174 | """Return the contents of a named file as a list of lines. | |
175 |
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175 | |||
176 | This function never raises an IOError exception: if the file can't be |
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176 | This function never raises an IOError exception: if the file can't be | |
177 | read, it simply returns an empty list.""" |
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177 | read, it simply returns an empty list.""" | |
178 |
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178 | |||
179 | try: |
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179 | try: | |
180 | outfile = open(fname) |
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180 | outfile = open(fname) | |
181 | except IOError: |
|
181 | except IOError: | |
182 | return [] |
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182 | return [] | |
183 | else: |
|
183 | else: | |
184 | out = outfile.readlines() |
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184 | out = outfile.readlines() | |
185 | outfile.close() |
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185 | outfile.close() | |
186 | return out |
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186 | return out | |
187 |
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187 | |||
188 |
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188 | |||
189 | class Pdb(OldPdb, object): |
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189 | class Pdb(OldPdb, object): | |
190 | """Modified Pdb class, does not load readline.""" |
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190 | """Modified Pdb class, does not load readline.""" | |
191 |
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191 | |||
192 | def __init__(self,color_scheme='NoColor',completekey=None, |
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192 | def __init__(self,color_scheme='NoColor',completekey=None, | |
193 | stdin=None, stdout=None, context=5): |
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193 | stdin=None, stdout=None, context=5): | |
194 |
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194 | |||
195 | # Parent constructor: |
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195 | # Parent constructor: | |
196 | try: |
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196 | try: | |
197 | self.context=int(context) |
|
197 | self.context=int(context) | |
198 | if self.context <= 0: |
|
198 | if self.context <= 0: | |
199 | raise ValueError("Context must be a positive integer") |
|
199 | raise ValueError("Context must be a positive integer") | |
200 | except (TypeError, ValueError): |
|
200 | except (TypeError, ValueError): | |
201 | raise ValueError("Context must be a positive integer") |
|
201 | raise ValueError("Context must be a positive integer") | |
202 |
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202 | |||
203 | OldPdb.__init__(self, completekey, stdin, stdout) |
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203 | OldPdb.__init__(self, completekey, stdin, stdout) | |
204 |
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204 | |||
205 | # IPython changes... |
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205 | # IPython changes... | |
206 | self.shell = get_ipython() |
|
206 | self.shell = get_ipython() | |
207 |
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207 | |||
208 | if self.shell is None: |
|
208 | if self.shell is None: | |
209 | # No IPython instance running, we must create one |
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209 | # No IPython instance running, we must create one | |
210 | from IPython.terminal.interactiveshell import \ |
|
210 | from IPython.terminal.interactiveshell import \ | |
211 | TerminalInteractiveShell |
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211 | TerminalInteractiveShell | |
212 | self.shell = TerminalInteractiveShell.instance() |
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212 | self.shell = TerminalInteractiveShell.instance() | |
213 |
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213 | |||
214 | # This is icky, but I'm not currently sure how best to test if we're |
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215 | # in a terminal shell using prompt_toolkit |
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216 |
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217 | self.aliases = {} |
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214 | self.aliases = {} | |
218 |
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215 | |||
219 | # Create color table: we copy the default one from the traceback |
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216 | # Create color table: we copy the default one from the traceback | |
220 | # module and add a few attributes needed for debugging |
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217 | # module and add a few attributes needed for debugging | |
221 | self.color_scheme_table = exception_colors() |
|
218 | self.color_scheme_table = exception_colors() | |
222 |
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219 | |||
223 | # shorthands |
|
220 | # shorthands | |
224 | C = coloransi.TermColors |
|
221 | C = coloransi.TermColors | |
225 | cst = self.color_scheme_table |
|
222 | cst = self.color_scheme_table | |
226 |
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223 | |||
227 | cst['NoColor'].colors.prompt = C.NoColor |
|
224 | cst['NoColor'].colors.prompt = C.NoColor | |
228 | cst['NoColor'].colors.breakpoint_enabled = C.NoColor |
|
225 | cst['NoColor'].colors.breakpoint_enabled = C.NoColor | |
229 | cst['NoColor'].colors.breakpoint_disabled = C.NoColor |
|
226 | cst['NoColor'].colors.breakpoint_disabled = C.NoColor | |
230 |
|
227 | |||
231 | cst['Linux'].colors.prompt = C.Green |
|
228 | cst['Linux'].colors.prompt = C.Green | |
232 | cst['Linux'].colors.breakpoint_enabled = C.LightRed |
|
229 | cst['Linux'].colors.breakpoint_enabled = C.LightRed | |
233 | cst['Linux'].colors.breakpoint_disabled = C.Red |
|
230 | cst['Linux'].colors.breakpoint_disabled = C.Red | |
234 |
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231 | |||
235 | cst['LightBG'].colors.prompt = C.Blue |
|
232 | cst['LightBG'].colors.prompt = C.Blue | |
236 | cst['LightBG'].colors.breakpoint_enabled = C.LightRed |
|
233 | cst['LightBG'].colors.breakpoint_enabled = C.LightRed | |
237 | cst['LightBG'].colors.breakpoint_disabled = C.Red |
|
234 | cst['LightBG'].colors.breakpoint_disabled = C.Red | |
238 |
|
235 | |||
239 | self.set_colors(color_scheme) |
|
236 | self.set_colors(color_scheme) | |
240 |
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237 | |||
241 | # Add a python parser so we can syntax highlight source while |
|
238 | # Add a python parser so we can syntax highlight source while | |
242 | # debugging. |
|
239 | # debugging. | |
243 | self.parser = PyColorize.Parser() |
|
240 | self.parser = PyColorize.Parser() | |
244 |
|
241 | |||
245 | # Set the prompt - the default prompt is '(Pdb)' |
|
242 | # Set the prompt - the default prompt is '(Pdb)' | |
246 | self.prompt = prompt |
|
243 | self.prompt = prompt | |
247 |
|
244 | |||
248 | def set_colors(self, scheme): |
|
245 | def set_colors(self, scheme): | |
249 | """Shorthand access to the color table scheme selector method.""" |
|
246 | """Shorthand access to the color table scheme selector method.""" | |
250 | self.color_scheme_table.set_active_scheme(scheme) |
|
247 | self.color_scheme_table.set_active_scheme(scheme) | |
251 |
|
248 | |||
252 | def interaction(self, frame, traceback): |
|
249 | def interaction(self, frame, traceback): | |
253 | try: |
|
250 | try: | |
254 | OldPdb.interaction(self, frame, traceback) |
|
251 | OldPdb.interaction(self, frame, traceback) | |
255 | except KeyboardInterrupt: |
|
252 | except KeyboardInterrupt: | |
256 | sys.stdout.write('\n' + self.shell.get_exception_only()) |
|
253 | sys.stdout.write('\n' + self.shell.get_exception_only()) | |
257 |
|
254 | |||
258 | def parseline(self, line): |
|
255 | def parseline(self, line): | |
259 | if line.startswith("!!"): |
|
256 | if line.startswith("!!"): | |
260 | # Force standard behavior. |
|
257 | # Force standard behavior. | |
261 | return super(Pdb, self).parseline(line[2:]) |
|
258 | return super(Pdb, self).parseline(line[2:]) | |
262 | # "Smart command mode" from pdb++: don't execute commands if a variable |
|
259 | # "Smart command mode" from pdb++: don't execute commands if a variable | |
263 | # with the same name exists. |
|
260 | # with the same name exists. | |
264 | cmd, arg, newline = super(Pdb, self).parseline(line) |
|
261 | cmd, arg, newline = super(Pdb, self).parseline(line) | |
265 | if cmd in self.curframe.f_globals or cmd in self.curframe.f_locals: |
|
262 | if cmd in self.curframe.f_globals or cmd in self.curframe.f_locals: | |
266 | return super(Pdb, self).parseline("!" + line) |
|
263 | return super(Pdb, self).parseline("!" + line) | |
267 | return super(Pdb, self).parseline(line) |
|
264 | return super(Pdb, self).parseline(line) | |
268 |
|
265 | |||
269 | def new_do_up(self, arg): |
|
266 | def new_do_up(self, arg): | |
270 | OldPdb.do_up(self, arg) |
|
267 | OldPdb.do_up(self, arg) | |
271 | do_u = do_up = decorate_fn_with_doc(new_do_up, OldPdb.do_up) |
|
268 | do_u = do_up = decorate_fn_with_doc(new_do_up, OldPdb.do_up) | |
272 |
|
269 | |||
273 | def new_do_down(self, arg): |
|
270 | def new_do_down(self, arg): | |
274 | OldPdb.do_down(self, arg) |
|
271 | OldPdb.do_down(self, arg) | |
275 |
|
272 | |||
276 | do_d = do_down = decorate_fn_with_doc(new_do_down, OldPdb.do_down) |
|
273 | do_d = do_down = decorate_fn_with_doc(new_do_down, OldPdb.do_down) | |
277 |
|
274 | |||
278 | def new_do_frame(self, arg): |
|
275 | def new_do_frame(self, arg): | |
279 | OldPdb.do_frame(self, arg) |
|
276 | OldPdb.do_frame(self, arg) | |
280 |
|
277 | |||
281 | def new_do_quit(self, arg): |
|
278 | def new_do_quit(self, arg): | |
282 |
|
279 | |||
283 | if hasattr(self, 'old_all_completions'): |
|
280 | if hasattr(self, 'old_all_completions'): | |
284 | self.shell.Completer.all_completions=self.old_all_completions |
|
281 | self.shell.Completer.all_completions=self.old_all_completions | |
285 |
|
282 | |||
286 | return OldPdb.do_quit(self, arg) |
|
283 | return OldPdb.do_quit(self, arg) | |
287 |
|
284 | |||
288 | do_q = do_quit = decorate_fn_with_doc(new_do_quit, OldPdb.do_quit) |
|
285 | do_q = do_quit = decorate_fn_with_doc(new_do_quit, OldPdb.do_quit) | |
289 |
|
286 | |||
290 | def new_do_restart(self, arg): |
|
287 | def new_do_restart(self, arg): | |
291 | """Restart command. In the context of ipython this is exactly the same |
|
288 | """Restart command. In the context of ipython this is exactly the same | |
292 | thing as 'quit'.""" |
|
289 | thing as 'quit'.""" | |
293 | self.msg("Restart doesn't make sense here. Using 'quit' instead.") |
|
290 | self.msg("Restart doesn't make sense here. Using 'quit' instead.") | |
294 | return self.do_quit(arg) |
|
291 | return self.do_quit(arg) | |
295 |
|
292 | |||
296 | def print_stack_trace(self, context=None): |
|
293 | def print_stack_trace(self, context=None): | |
297 | if context is None: |
|
294 | if context is None: | |
298 | context = self.context |
|
295 | context = self.context | |
299 | try: |
|
296 | try: | |
300 | context=int(context) |
|
297 | context=int(context) | |
301 | if context <= 0: |
|
298 | if context <= 0: | |
302 | raise ValueError("Context must be a positive integer") |
|
299 | raise ValueError("Context must be a positive integer") | |
303 | except (TypeError, ValueError): |
|
300 | except (TypeError, ValueError): | |
304 | raise ValueError("Context must be a positive integer") |
|
301 | raise ValueError("Context must be a positive integer") | |
305 | try: |
|
302 | try: | |
306 | for frame_lineno in self.stack: |
|
303 | for frame_lineno in self.stack: | |
307 | self.print_stack_entry(frame_lineno, context=context) |
|
304 | self.print_stack_entry(frame_lineno, context=context) | |
308 | except KeyboardInterrupt: |
|
305 | except KeyboardInterrupt: | |
309 | pass |
|
306 | pass | |
310 |
|
307 | |||
311 | def print_stack_entry(self,frame_lineno,prompt_prefix='\n-> ', |
|
308 | def print_stack_entry(self,frame_lineno,prompt_prefix='\n-> ', | |
312 | context=None): |
|
309 | context=None): | |
313 | if context is None: |
|
310 | if context is None: | |
314 | context = self.context |
|
311 | context = self.context | |
315 | try: |
|
312 | try: | |
316 | context=int(context) |
|
313 | context=int(context) | |
317 | if context <= 0: |
|
314 | if context <= 0: | |
318 | raise ValueError("Context must be a positive integer") |
|
315 | raise ValueError("Context must be a positive integer") | |
319 | except (TypeError, ValueError): |
|
316 | except (TypeError, ValueError): | |
320 | raise ValueError("Context must be a positive integer") |
|
317 | raise ValueError("Context must be a positive integer") | |
321 | print(self.format_stack_entry(frame_lineno, '', context)) |
|
318 | print(self.format_stack_entry(frame_lineno, '', context)) | |
322 |
|
319 | |||
323 | # vds: >> |
|
320 | # vds: >> | |
324 | frame, lineno = frame_lineno |
|
321 | frame, lineno = frame_lineno | |
325 | filename = frame.f_code.co_filename |
|
322 | filename = frame.f_code.co_filename | |
326 | self.shell.hooks.synchronize_with_editor(filename, lineno, 0) |
|
323 | self.shell.hooks.synchronize_with_editor(filename, lineno, 0) | |
327 | # vds: << |
|
324 | # vds: << | |
328 |
|
325 | |||
329 | def format_stack_entry(self, frame_lineno, lprefix=': ', context=None): |
|
326 | def format_stack_entry(self, frame_lineno, lprefix=': ', context=None): | |
330 | if context is None: |
|
327 | if context is None: | |
331 | context = self.context |
|
328 | context = self.context | |
332 | try: |
|
329 | try: | |
333 | context=int(context) |
|
330 | context=int(context) | |
334 | if context <= 0: |
|
331 | if context <= 0: | |
335 | print("Context must be a positive integer") |
|
332 | print("Context must be a positive integer") | |
336 | except (TypeError, ValueError): |
|
333 | except (TypeError, ValueError): | |
337 | print("Context must be a positive integer") |
|
334 | print("Context must be a positive integer") | |
338 | try: |
|
335 | try: | |
339 | import reprlib # Py 3 |
|
336 | import reprlib # Py 3 | |
340 | except ImportError: |
|
337 | except ImportError: | |
341 | import repr as reprlib # Py 2 |
|
338 | import repr as reprlib # Py 2 | |
342 |
|
339 | |||
343 | ret = [] |
|
340 | ret = [] | |
344 |
|
341 | |||
345 | Colors = self.color_scheme_table.active_colors |
|
342 | Colors = self.color_scheme_table.active_colors | |
346 | ColorsNormal = Colors.Normal |
|
343 | ColorsNormal = Colors.Normal | |
347 | tpl_link = u'%s%%s%s' % (Colors.filenameEm, ColorsNormal) |
|
344 | tpl_link = u'%s%%s%s' % (Colors.filenameEm, ColorsNormal) | |
348 | tpl_call = u'%s%%s%s%%s%s' % (Colors.vName, Colors.valEm, ColorsNormal) |
|
345 | tpl_call = u'%s%%s%s%%s%s' % (Colors.vName, Colors.valEm, ColorsNormal) | |
349 | tpl_line = u'%%s%s%%s %s%%s' % (Colors.lineno, ColorsNormal) |
|
346 | tpl_line = u'%%s%s%%s %s%%s' % (Colors.lineno, ColorsNormal) | |
350 | tpl_line_em = u'%%s%s%%s %s%%s%s' % (Colors.linenoEm, Colors.line, |
|
347 | tpl_line_em = u'%%s%s%%s %s%%s%s' % (Colors.linenoEm, Colors.line, | |
351 | ColorsNormal) |
|
348 | ColorsNormal) | |
352 |
|
349 | |||
353 | frame, lineno = frame_lineno |
|
350 | frame, lineno = frame_lineno | |
354 |
|
351 | |||
355 | return_value = '' |
|
352 | return_value = '' | |
356 | if '__return__' in frame.f_locals: |
|
353 | if '__return__' in frame.f_locals: | |
357 | rv = frame.f_locals['__return__'] |
|
354 | rv = frame.f_locals['__return__'] | |
358 | #return_value += '->' |
|
355 | #return_value += '->' | |
359 | return_value += reprlib.repr(rv) + '\n' |
|
356 | return_value += reprlib.repr(rv) + '\n' | |
360 | ret.append(return_value) |
|
357 | ret.append(return_value) | |
361 |
|
358 | |||
362 | #s = filename + '(' + `lineno` + ')' |
|
359 | #s = filename + '(' + `lineno` + ')' | |
363 | filename = self.canonic(frame.f_code.co_filename) |
|
360 | filename = self.canonic(frame.f_code.co_filename) | |
364 | link = tpl_link % py3compat.cast_unicode(filename) |
|
361 | link = tpl_link % py3compat.cast_unicode(filename) | |
365 |
|
362 | |||
366 | if frame.f_code.co_name: |
|
363 | if frame.f_code.co_name: | |
367 | func = frame.f_code.co_name |
|
364 | func = frame.f_code.co_name | |
368 | else: |
|
365 | else: | |
369 | func = "<lambda>" |
|
366 | func = "<lambda>" | |
370 |
|
367 | |||
371 | call = '' |
|
368 | call = '' | |
372 | if func != '?': |
|
369 | if func != '?': | |
373 | if '__args__' in frame.f_locals: |
|
370 | if '__args__' in frame.f_locals: | |
374 | args = reprlib.repr(frame.f_locals['__args__']) |
|
371 | args = reprlib.repr(frame.f_locals['__args__']) | |
375 | else: |
|
372 | else: | |
376 | args = '()' |
|
373 | args = '()' | |
377 | call = tpl_call % (func, args) |
|
374 | call = tpl_call % (func, args) | |
378 |
|
375 | |||
379 | # The level info should be generated in the same format pdb uses, to |
|
376 | # The level info should be generated in the same format pdb uses, to | |
380 | # avoid breaking the pdbtrack functionality of python-mode in *emacs. |
|
377 | # avoid breaking the pdbtrack functionality of python-mode in *emacs. | |
381 | if frame is self.curframe: |
|
378 | if frame is self.curframe: | |
382 | ret.append('> ') |
|
379 | ret.append('> ') | |
383 | else: |
|
380 | else: | |
384 | ret.append(' ') |
|
381 | ret.append(' ') | |
385 | ret.append(u'%s(%s)%s\n' % (link,lineno,call)) |
|
382 | ret.append(u'%s(%s)%s\n' % (link,lineno,call)) | |
386 |
|
383 | |||
387 | start = lineno - 1 - context//2 |
|
384 | start = lineno - 1 - context//2 | |
388 | lines = ulinecache.getlines(filename) |
|
385 | lines = ulinecache.getlines(filename) | |
389 | start = min(start, len(lines) - context) |
|
386 | start = min(start, len(lines) - context) | |
390 | start = max(start, 0) |
|
387 | start = max(start, 0) | |
391 | lines = lines[start : start + context] |
|
388 | lines = lines[start : start + context] | |
392 |
|
389 | |||
393 | for i,line in enumerate(lines): |
|
390 | for i,line in enumerate(lines): | |
394 | show_arrow = (start + 1 + i == lineno) |
|
391 | show_arrow = (start + 1 + i == lineno) | |
395 | linetpl = (frame is self.curframe or show_arrow) \ |
|
392 | linetpl = (frame is self.curframe or show_arrow) \ | |
396 | and tpl_line_em \ |
|
393 | and tpl_line_em \ | |
397 | or tpl_line |
|
394 | or tpl_line | |
398 | ret.append(self.__format_line(linetpl, filename, |
|
395 | ret.append(self.__format_line(linetpl, filename, | |
399 | start + 1 + i, line, |
|
396 | start + 1 + i, line, | |
400 | arrow = show_arrow) ) |
|
397 | arrow = show_arrow) ) | |
401 | return ''.join(ret) |
|
398 | return ''.join(ret) | |
402 |
|
399 | |||
403 | def __format_line(self, tpl_line, filename, lineno, line, arrow = False): |
|
400 | def __format_line(self, tpl_line, filename, lineno, line, arrow = False): | |
404 | bp_mark = "" |
|
401 | bp_mark = "" | |
405 | bp_mark_color = "" |
|
402 | bp_mark_color = "" | |
406 |
|
403 | |||
407 | scheme = self.color_scheme_table.active_scheme_name |
|
404 | scheme = self.color_scheme_table.active_scheme_name | |
408 | new_line, err = self.parser.format2(line, 'str', scheme) |
|
405 | new_line, err = self.parser.format2(line, 'str', scheme) | |
409 | if not err: line = new_line |
|
406 | if not err: line = new_line | |
410 |
|
407 | |||
411 | bp = None |
|
408 | bp = None | |
412 | if lineno in self.get_file_breaks(filename): |
|
409 | if lineno in self.get_file_breaks(filename): | |
413 | bps = self.get_breaks(filename, lineno) |
|
410 | bps = self.get_breaks(filename, lineno) | |
414 | bp = bps[-1] |
|
411 | bp = bps[-1] | |
415 |
|
412 | |||
416 | if bp: |
|
413 | if bp: | |
417 | Colors = self.color_scheme_table.active_colors |
|
414 | Colors = self.color_scheme_table.active_colors | |
418 | bp_mark = str(bp.number) |
|
415 | bp_mark = str(bp.number) | |
419 | bp_mark_color = Colors.breakpoint_enabled |
|
416 | bp_mark_color = Colors.breakpoint_enabled | |
420 | if not bp.enabled: |
|
417 | if not bp.enabled: | |
421 | bp_mark_color = Colors.breakpoint_disabled |
|
418 | bp_mark_color = Colors.breakpoint_disabled | |
422 |
|
419 | |||
423 | numbers_width = 7 |
|
420 | numbers_width = 7 | |
424 | if arrow: |
|
421 | if arrow: | |
425 | # This is the line with the error |
|
422 | # This is the line with the error | |
426 | pad = numbers_width - len(str(lineno)) - len(bp_mark) |
|
423 | pad = numbers_width - len(str(lineno)) - len(bp_mark) | |
427 | num = '%s%s' % (make_arrow(pad), str(lineno)) |
|
424 | num = '%s%s' % (make_arrow(pad), str(lineno)) | |
428 | else: |
|
425 | else: | |
429 | num = '%*s' % (numbers_width - len(bp_mark), str(lineno)) |
|
426 | num = '%*s' % (numbers_width - len(bp_mark), str(lineno)) | |
430 |
|
427 | |||
431 | return tpl_line % (bp_mark_color + bp_mark, num, line) |
|
428 | return tpl_line % (bp_mark_color + bp_mark, num, line) | |
432 |
|
429 | |||
433 |
|
430 | |||
434 | def print_list_lines(self, filename, first, last): |
|
431 | def print_list_lines(self, filename, first, last): | |
435 | """The printing (as opposed to the parsing part of a 'list' |
|
432 | """The printing (as opposed to the parsing part of a 'list' | |
436 | command.""" |
|
433 | command.""" | |
437 | try: |
|
434 | try: | |
438 | Colors = self.color_scheme_table.active_colors |
|
435 | Colors = self.color_scheme_table.active_colors | |
439 | ColorsNormal = Colors.Normal |
|
436 | ColorsNormal = Colors.Normal | |
440 | tpl_line = '%%s%s%%s %s%%s' % (Colors.lineno, ColorsNormal) |
|
437 | tpl_line = '%%s%s%%s %s%%s' % (Colors.lineno, ColorsNormal) | |
441 | tpl_line_em = '%%s%s%%s %s%%s%s' % (Colors.linenoEm, Colors.line, ColorsNormal) |
|
438 | tpl_line_em = '%%s%s%%s %s%%s%s' % (Colors.linenoEm, Colors.line, ColorsNormal) | |
442 | src = [] |
|
439 | src = [] | |
443 | if filename == "<string>" and hasattr(self, "_exec_filename"): |
|
440 | if filename == "<string>" and hasattr(self, "_exec_filename"): | |
444 | filename = self._exec_filename |
|
441 | filename = self._exec_filename | |
445 |
|
442 | |||
446 | for lineno in range(first, last+1): |
|
443 | for lineno in range(first, last+1): | |
447 | line = ulinecache.getline(filename, lineno) |
|
444 | line = ulinecache.getline(filename, lineno) | |
448 | if not line: |
|
445 | if not line: | |
449 | break |
|
446 | break | |
450 |
|
447 | |||
451 | if lineno == self.curframe.f_lineno: |
|
448 | if lineno == self.curframe.f_lineno: | |
452 | line = self.__format_line(tpl_line_em, filename, lineno, line, arrow = True) |
|
449 | line = self.__format_line(tpl_line_em, filename, lineno, line, arrow = True) | |
453 | else: |
|
450 | else: | |
454 | line = self.__format_line(tpl_line, filename, lineno, line, arrow = False) |
|
451 | line = self.__format_line(tpl_line, filename, lineno, line, arrow = False) | |
455 |
|
452 | |||
456 | src.append(line) |
|
453 | src.append(line) | |
457 | self.lineno = lineno |
|
454 | self.lineno = lineno | |
458 |
|
455 | |||
459 | print(''.join(src)) |
|
456 | print(''.join(src)) | |
460 |
|
457 | |||
461 | except KeyboardInterrupt: |
|
458 | except KeyboardInterrupt: | |
462 | pass |
|
459 | pass | |
463 |
|
460 | |||
464 | def do_list(self, arg): |
|
461 | def do_list(self, arg): | |
465 | self.lastcmd = 'list' |
|
462 | self.lastcmd = 'list' | |
466 | last = None |
|
463 | last = None | |
467 | if arg: |
|
464 | if arg: | |
468 | try: |
|
465 | try: | |
469 | x = eval(arg, {}, {}) |
|
466 | x = eval(arg, {}, {}) | |
470 | if type(x) == type(()): |
|
467 | if type(x) == type(()): | |
471 | first, last = x |
|
468 | first, last = x | |
472 | first = int(first) |
|
469 | first = int(first) | |
473 | last = int(last) |
|
470 | last = int(last) | |
474 | if last < first: |
|
471 | if last < first: | |
475 | # Assume it's a count |
|
472 | # Assume it's a count | |
476 | last = first + last |
|
473 | last = first + last | |
477 | else: |
|
474 | else: | |
478 | first = max(1, int(x) - 5) |
|
475 | first = max(1, int(x) - 5) | |
479 | except: |
|
476 | except: | |
480 | print('*** Error in argument:', repr(arg)) |
|
477 | print('*** Error in argument:', repr(arg)) | |
481 | return |
|
478 | return | |
482 | elif self.lineno is None: |
|
479 | elif self.lineno is None: | |
483 | first = max(1, self.curframe.f_lineno - 5) |
|
480 | first = max(1, self.curframe.f_lineno - 5) | |
484 | else: |
|
481 | else: | |
485 | first = self.lineno + 1 |
|
482 | first = self.lineno + 1 | |
486 | if last is None: |
|
483 | if last is None: | |
487 | last = first + 10 |
|
484 | last = first + 10 | |
488 | self.print_list_lines(self.curframe.f_code.co_filename, first, last) |
|
485 | self.print_list_lines(self.curframe.f_code.co_filename, first, last) | |
489 |
|
486 | |||
490 | # vds: >> |
|
487 | # vds: >> | |
491 | lineno = first |
|
488 | lineno = first | |
492 | filename = self.curframe.f_code.co_filename |
|
489 | filename = self.curframe.f_code.co_filename | |
493 | self.shell.hooks.synchronize_with_editor(filename, lineno, 0) |
|
490 | self.shell.hooks.synchronize_with_editor(filename, lineno, 0) | |
494 | # vds: << |
|
491 | # vds: << | |
495 |
|
492 | |||
496 | do_l = do_list |
|
493 | do_l = do_list | |
497 |
|
494 | |||
498 | def getsourcelines(self, obj): |
|
495 | def getsourcelines(self, obj): | |
499 | lines, lineno = inspect.findsource(obj) |
|
496 | lines, lineno = inspect.findsource(obj) | |
500 | if inspect.isframe(obj) and obj.f_globals is obj.f_locals: |
|
497 | if inspect.isframe(obj) and obj.f_globals is obj.f_locals: | |
501 | # must be a module frame: do not try to cut a block out of it |
|
498 | # must be a module frame: do not try to cut a block out of it | |
502 | return lines, 1 |
|
499 | return lines, 1 | |
503 | elif inspect.ismodule(obj): |
|
500 | elif inspect.ismodule(obj): | |
504 | return lines, 1 |
|
501 | return lines, 1 | |
505 | return inspect.getblock(lines[lineno:]), lineno+1 |
|
502 | return inspect.getblock(lines[lineno:]), lineno+1 | |
506 |
|
503 | |||
507 | def do_longlist(self, arg): |
|
504 | def do_longlist(self, arg): | |
508 | self.lastcmd = 'longlist' |
|
505 | self.lastcmd = 'longlist' | |
509 | try: |
|
506 | try: | |
510 | lines, lineno = self.getsourcelines(self.curframe) |
|
507 | lines, lineno = self.getsourcelines(self.curframe) | |
511 | except OSError as err: |
|
508 | except OSError as err: | |
512 | self.error(err) |
|
509 | self.error(err) | |
513 | return |
|
510 | return | |
514 | last = lineno + len(lines) |
|
511 | last = lineno + len(lines) | |
515 | self.print_list_lines(self.curframe.f_code.co_filename, lineno, last) |
|
512 | self.print_list_lines(self.curframe.f_code.co_filename, lineno, last) | |
516 | do_ll = do_longlist |
|
513 | do_ll = do_longlist | |
517 |
|
514 | |||
518 | def do_pdef(self, arg): |
|
515 | def do_pdef(self, arg): | |
519 | """Print the call signature for any callable object. |
|
516 | """Print the call signature for any callable object. | |
520 |
|
517 | |||
521 | The debugger interface to %pdef""" |
|
518 | The debugger interface to %pdef""" | |
522 | namespaces = [('Locals', self.curframe.f_locals), |
|
519 | namespaces = [('Locals', self.curframe.f_locals), | |
523 | ('Globals', self.curframe.f_globals)] |
|
520 | ('Globals', self.curframe.f_globals)] | |
524 | self.shell.find_line_magic('pdef')(arg, namespaces=namespaces) |
|
521 | self.shell.find_line_magic('pdef')(arg, namespaces=namespaces) | |
525 |
|
522 | |||
526 | def do_pdoc(self, arg): |
|
523 | def do_pdoc(self, arg): | |
527 | """Print the docstring for an object. |
|
524 | """Print the docstring for an object. | |
528 |
|
525 | |||
529 | The debugger interface to %pdoc.""" |
|
526 | The debugger interface to %pdoc.""" | |
530 | namespaces = [('Locals', self.curframe.f_locals), |
|
527 | namespaces = [('Locals', self.curframe.f_locals), | |
531 | ('Globals', self.curframe.f_globals)] |
|
528 | ('Globals', self.curframe.f_globals)] | |
532 | self.shell.find_line_magic('pdoc')(arg, namespaces=namespaces) |
|
529 | self.shell.find_line_magic('pdoc')(arg, namespaces=namespaces) | |
533 |
|
530 | |||
534 | def do_pfile(self, arg): |
|
531 | def do_pfile(self, arg): | |
535 | """Print (or run through pager) the file where an object is defined. |
|
532 | """Print (or run through pager) the file where an object is defined. | |
536 |
|
533 | |||
537 | The debugger interface to %pfile. |
|
534 | The debugger interface to %pfile. | |
538 | """ |
|
535 | """ | |
539 | namespaces = [('Locals', self.curframe.f_locals), |
|
536 | namespaces = [('Locals', self.curframe.f_locals), | |
540 | ('Globals', self.curframe.f_globals)] |
|
537 | ('Globals', self.curframe.f_globals)] | |
541 | self.shell.find_line_magic('pfile')(arg, namespaces=namespaces) |
|
538 | self.shell.find_line_magic('pfile')(arg, namespaces=namespaces) | |
542 |
|
539 | |||
543 | def do_pinfo(self, arg): |
|
540 | def do_pinfo(self, arg): | |
544 | """Provide detailed information about an object. |
|
541 | """Provide detailed information about an object. | |
545 |
|
542 | |||
546 | The debugger interface to %pinfo, i.e., obj?.""" |
|
543 | The debugger interface to %pinfo, i.e., obj?.""" | |
547 | namespaces = [('Locals', self.curframe.f_locals), |
|
544 | namespaces = [('Locals', self.curframe.f_locals), | |
548 | ('Globals', self.curframe.f_globals)] |
|
545 | ('Globals', self.curframe.f_globals)] | |
549 | self.shell.find_line_magic('pinfo')(arg, namespaces=namespaces) |
|
546 | self.shell.find_line_magic('pinfo')(arg, namespaces=namespaces) | |
550 |
|
547 | |||
551 | def do_pinfo2(self, arg): |
|
548 | def do_pinfo2(self, arg): | |
552 | """Provide extra detailed information about an object. |
|
549 | """Provide extra detailed information about an object. | |
553 |
|
550 | |||
554 | The debugger interface to %pinfo2, i.e., obj??.""" |
|
551 | The debugger interface to %pinfo2, i.e., obj??.""" | |
555 | namespaces = [('Locals', self.curframe.f_locals), |
|
552 | namespaces = [('Locals', self.curframe.f_locals), | |
556 | ('Globals', self.curframe.f_globals)] |
|
553 | ('Globals', self.curframe.f_globals)] | |
557 | self.shell.find_line_magic('pinfo2')(arg, namespaces=namespaces) |
|
554 | self.shell.find_line_magic('pinfo2')(arg, namespaces=namespaces) | |
558 |
|
555 | |||
559 | def do_psource(self, arg): |
|
556 | def do_psource(self, arg): | |
560 | """Print (or run through pager) the source code for an object.""" |
|
557 | """Print (or run through pager) the source code for an object.""" | |
561 | namespaces = [('Locals', self.curframe.f_locals), |
|
558 | namespaces = [('Locals', self.curframe.f_locals), | |
562 | ('Globals', self.curframe.f_globals)] |
|
559 | ('Globals', self.curframe.f_globals)] | |
563 | self.shell.find_line_magic('psource')(arg, namespaces=namespaces) |
|
560 | self.shell.find_line_magic('psource')(arg, namespaces=namespaces) | |
564 |
|
561 | |||
565 | if sys.version_info > (3, ): |
|
562 | if sys.version_info > (3, ): | |
566 | def do_where(self, arg): |
|
563 | def do_where(self, arg): | |
567 | """w(here) |
|
564 | """w(here) | |
568 | Print a stack trace, with the most recent frame at the bottom. |
|
565 | Print a stack trace, with the most recent frame at the bottom. | |
569 | An arrow indicates the "current frame", which determines the |
|
566 | An arrow indicates the "current frame", which determines the | |
570 | context of most commands. 'bt' is an alias for this command. |
|
567 | context of most commands. 'bt' is an alias for this command. | |
571 |
|
568 | |||
572 | Take a number as argument as an (optional) number of context line to |
|
569 | Take a number as argument as an (optional) number of context line to | |
573 | print""" |
|
570 | print""" | |
574 | if arg: |
|
571 | if arg: | |
575 | context = int(arg) |
|
572 | context = int(arg) | |
576 | self.print_stack_trace(context) |
|
573 | self.print_stack_trace(context) | |
577 | else: |
|
574 | else: | |
578 | self.print_stack_trace() |
|
575 | self.print_stack_trace() | |
579 |
|
576 | |||
580 | do_w = do_where |
|
577 | do_w = do_where |
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