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@@ -1,396 +1,397 b'' | |||||
1 | #!/usr/bin/env python |
|
1 | #!/usr/bin/env python | |
2 | # encoding: utf-8 |
|
2 | # encoding: utf-8 | |
3 | """ |
|
3 | """ | |
4 | The :class:`~IPython.core.application.Application` object for the command |
|
4 | The :class:`~IPython.core.application.Application` object for the command | |
5 | line :command:`ipython` program. |
|
5 | line :command:`ipython` program. | |
6 |
|
6 | |||
7 | Authors |
|
7 | Authors | |
8 | ------- |
|
8 | ------- | |
9 |
|
9 | |||
10 | * Brian Granger |
|
10 | * Brian Granger | |
11 | * Fernando Perez |
|
11 | * Fernando Perez | |
12 | * Min Ragan-Kelley |
|
12 | * Min Ragan-Kelley | |
13 | """ |
|
13 | """ | |
14 |
|
14 | |||
15 | #----------------------------------------------------------------------------- |
|
15 | #----------------------------------------------------------------------------- | |
16 | # Copyright (C) 2008-2010 The IPython Development Team |
|
16 | # Copyright (C) 2008-2010 The IPython Development Team | |
17 | # |
|
17 | # | |
18 | # Distributed under the terms of the BSD License. The full license is in |
|
18 | # Distributed under the terms of the BSD License. The full license is in | |
19 | # the file COPYING, distributed as part of this software. |
|
19 | # the file COPYING, distributed as part of this software. | |
20 | #----------------------------------------------------------------------------- |
|
20 | #----------------------------------------------------------------------------- | |
21 |
|
21 | |||
22 | #----------------------------------------------------------------------------- |
|
22 | #----------------------------------------------------------------------------- | |
23 | # Imports |
|
23 | # Imports | |
24 | #----------------------------------------------------------------------------- |
|
24 | #----------------------------------------------------------------------------- | |
25 |
|
25 | |||
26 | from __future__ import absolute_import |
|
26 | from __future__ import absolute_import | |
27 |
|
27 | |||
28 | import logging |
|
28 | import logging | |
29 | import os |
|
29 | import os | |
30 | import sys |
|
30 | import sys | |
31 |
|
31 | |||
32 | from IPython.config.loader import ( |
|
32 | from IPython.config.loader import ( | |
33 | Config, PyFileConfigLoader, ConfigFileNotFound |
|
33 | Config, PyFileConfigLoader, ConfigFileNotFound | |
34 | ) |
|
34 | ) | |
35 | from IPython.config.application import boolean_flag, catch_config_error |
|
35 | from IPython.config.application import boolean_flag, catch_config_error | |
36 | from IPython.core import release |
|
36 | from IPython.core import release | |
37 | from IPython.core import usage |
|
37 | from IPython.core import usage | |
38 | from IPython.core.completer import IPCompleter |
|
38 | from IPython.core.completer import IPCompleter | |
39 | from IPython.core.crashhandler import CrashHandler |
|
39 | from IPython.core.crashhandler import CrashHandler | |
40 | from IPython.core.formatters import PlainTextFormatter |
|
40 | from IPython.core.formatters import PlainTextFormatter | |
41 | from IPython.core.application import ( |
|
41 | from IPython.core.application import ( | |
42 | ProfileDir, BaseIPythonApplication, base_flags, base_aliases |
|
42 | ProfileDir, BaseIPythonApplication, base_flags, base_aliases | |
43 | ) |
|
43 | ) | |
44 | from IPython.core.shellapp import ( |
|
44 | from IPython.core.shellapp import ( | |
45 | InteractiveShellApp, shell_flags, shell_aliases |
|
45 | InteractiveShellApp, shell_flags, shell_aliases | |
46 | ) |
|
46 | ) | |
47 | from IPython.frontend.terminal.interactiveshell import TerminalInteractiveShell |
|
47 | from IPython.frontend.terminal.interactiveshell import TerminalInteractiveShell | |
48 | from IPython.lib import inputhook |
|
48 | from IPython.lib import inputhook | |
49 | from IPython.utils import warn |
|
49 | from IPython.utils import warn | |
50 | from IPython.utils.path import get_ipython_dir, check_for_old_config |
|
50 | from IPython.utils.path import get_ipython_dir, check_for_old_config | |
51 | from IPython.utils.traitlets import ( |
|
51 | from IPython.utils.traitlets import ( | |
52 | Bool, List, Dict, CaselessStrEnum |
|
52 | Bool, List, Dict, CaselessStrEnum | |
53 | ) |
|
53 | ) | |
54 |
|
54 | |||
55 | #----------------------------------------------------------------------------- |
|
55 | #----------------------------------------------------------------------------- | |
56 | # Globals, utilities and helpers |
|
56 | # Globals, utilities and helpers | |
57 | #----------------------------------------------------------------------------- |
|
57 | #----------------------------------------------------------------------------- | |
58 |
|
58 | |||
59 | #: The default config file name for this application. |
|
59 | #: The default config file name for this application. | |
60 | default_config_file_name = u'ipython_config.py' |
|
60 | default_config_file_name = u'ipython_config.py' | |
61 |
|
61 | |||
62 | _examples = """ |
|
62 | _examples = """ | |
63 | ipython --pylab # start in pylab mode |
|
63 | ipython --pylab # start in pylab mode | |
64 | ipython --pylab=qt # start in pylab mode with the qt4 backend |
|
64 | ipython --pylab=qt # start in pylab mode with the qt4 backend | |
65 | ipython --log-level=DEBUG # set logging to DEBUG |
|
65 | ipython --log-level=DEBUG # set logging to DEBUG | |
66 | ipython --profile=foo # start with profile foo |
|
66 | ipython --profile=foo # start with profile foo | |
67 |
|
67 | |||
68 | ipython qtconsole # start the qtconsole GUI application |
|
68 | ipython qtconsole # start the qtconsole GUI application | |
69 | ipython qtconsole -h # show the help string for the qtconsole subcmd |
|
69 | ipython qtconsole -h # show the help string for the qtconsole subcmd | |
70 |
|
70 | |||
71 | ipython profile create foo # create profile foo w/ default config files |
|
71 | ipython profile create foo # create profile foo w/ default config files | |
72 | ipython profile -h # show the help string for the profile subcmd |
|
72 | ipython profile -h # show the help string for the profile subcmd | |
73 | """ |
|
73 | """ | |
74 |
|
74 | |||
75 | #----------------------------------------------------------------------------- |
|
75 | #----------------------------------------------------------------------------- | |
76 | # Crash handler for this application |
|
76 | # Crash handler for this application | |
77 | #----------------------------------------------------------------------------- |
|
77 | #----------------------------------------------------------------------------- | |
78 |
|
78 | |||
79 | class IPAppCrashHandler(CrashHandler): |
|
79 | class IPAppCrashHandler(CrashHandler): | |
80 | """sys.excepthook for IPython itself, leaves a detailed report on disk.""" |
|
80 | """sys.excepthook for IPython itself, leaves a detailed report on disk.""" | |
81 |
|
81 | |||
82 | def __init__(self, app): |
|
82 | def __init__(self, app): | |
83 | contact_name = release.authors['Fernando'][0] |
|
83 | contact_name = release.authors['Fernando'][0] | |
84 | contact_email = release.authors['Fernando'][1] |
|
84 | contact_email = release.authors['Fernando'][1] | |
85 | bug_tracker = 'http://github.com/ipython/ipython/issues' |
|
85 | bug_tracker = 'http://github.com/ipython/ipython/issues' | |
86 | super(IPAppCrashHandler,self).__init__( |
|
86 | super(IPAppCrashHandler,self).__init__( | |
87 | app, contact_name, contact_email, bug_tracker |
|
87 | app, contact_name, contact_email, bug_tracker | |
88 | ) |
|
88 | ) | |
89 |
|
89 | |||
90 | def make_report(self,traceback): |
|
90 | def make_report(self,traceback): | |
91 | """Return a string containing a crash report.""" |
|
91 | """Return a string containing a crash report.""" | |
92 |
|
92 | |||
93 | sec_sep = self.section_sep |
|
93 | sec_sep = self.section_sep | |
94 | # Start with parent report |
|
94 | # Start with parent report | |
95 | report = [super(IPAppCrashHandler, self).make_report(traceback)] |
|
95 | report = [super(IPAppCrashHandler, self).make_report(traceback)] | |
96 | # Add interactive-specific info we may have |
|
96 | # Add interactive-specific info we may have | |
97 | rpt_add = report.append |
|
97 | rpt_add = report.append | |
98 | try: |
|
98 | try: | |
99 | rpt_add(sec_sep+"History of session input:") |
|
99 | rpt_add(sec_sep+"History of session input:") | |
100 | for line in self.app.shell.user_ns['_ih']: |
|
100 | for line in self.app.shell.user_ns['_ih']: | |
101 | rpt_add(line) |
|
101 | rpt_add(line) | |
102 | rpt_add('\n*** Last line of input (may not be in above history):\n') |
|
102 | rpt_add('\n*** Last line of input (may not be in above history):\n') | |
103 | rpt_add(self.app.shell._last_input_line+'\n') |
|
103 | rpt_add(self.app.shell._last_input_line+'\n') | |
104 | except: |
|
104 | except: | |
105 | pass |
|
105 | pass | |
106 |
|
106 | |||
107 | return ''.join(report) |
|
107 | return ''.join(report) | |
108 |
|
108 | |||
109 | #----------------------------------------------------------------------------- |
|
109 | #----------------------------------------------------------------------------- | |
110 | # Aliases and Flags |
|
110 | # Aliases and Flags | |
111 | #----------------------------------------------------------------------------- |
|
111 | #----------------------------------------------------------------------------- | |
112 | flags = dict(base_flags) |
|
112 | flags = dict(base_flags) | |
113 | flags.update(shell_flags) |
|
113 | flags.update(shell_flags) | |
114 | addflag = lambda *args: flags.update(boolean_flag(*args)) |
|
114 | addflag = lambda *args: flags.update(boolean_flag(*args)) | |
115 | addflag('autoedit-syntax', 'TerminalInteractiveShell.autoedit_syntax', |
|
115 | addflag('autoedit-syntax', 'TerminalInteractiveShell.autoedit_syntax', | |
116 | 'Turn on auto editing of files with syntax errors.', |
|
116 | 'Turn on auto editing of files with syntax errors.', | |
117 | 'Turn off auto editing of files with syntax errors.' |
|
117 | 'Turn off auto editing of files with syntax errors.' | |
118 | ) |
|
118 | ) | |
119 | addflag('banner', 'TerminalIPythonApp.display_banner', |
|
119 | addflag('banner', 'TerminalIPythonApp.display_banner', | |
120 | "Display a banner upon starting IPython.", |
|
120 | "Display a banner upon starting IPython.", | |
121 | "Don't display a banner upon starting IPython." |
|
121 | "Don't display a banner upon starting IPython." | |
122 | ) |
|
122 | ) | |
123 | addflag('confirm-exit', 'TerminalInteractiveShell.confirm_exit', |
|
123 | addflag('confirm-exit', 'TerminalInteractiveShell.confirm_exit', | |
124 | """Set to confirm when you try to exit IPython with an EOF (Control-D |
|
124 | """Set to confirm when you try to exit IPython with an EOF (Control-D | |
125 | in Unix, Control-Z/Enter in Windows). By typing 'exit' or 'quit', |
|
125 | in Unix, Control-Z/Enter in Windows). By typing 'exit' or 'quit', | |
126 | you can force a direct exit without any confirmation.""", |
|
126 | you can force a direct exit without any confirmation.""", | |
127 | "Don't prompt the user when exiting." |
|
127 | "Don't prompt the user when exiting." | |
128 | ) |
|
128 | ) | |
129 | addflag('term-title', 'TerminalInteractiveShell.term_title', |
|
129 | addflag('term-title', 'TerminalInteractiveShell.term_title', | |
130 | "Enable auto setting the terminal title.", |
|
130 | "Enable auto setting the terminal title.", | |
131 | "Disable auto setting the terminal title." |
|
131 | "Disable auto setting the terminal title." | |
132 | ) |
|
132 | ) | |
133 | classic_config = Config() |
|
133 | classic_config = Config() | |
134 | classic_config.InteractiveShell.cache_size = 0 |
|
134 | classic_config.InteractiveShell.cache_size = 0 | |
135 | classic_config.PlainTextFormatter.pprint = False |
|
135 | classic_config.PlainTextFormatter.pprint = False | |
136 | classic_config.InteractiveShell.prompt_in1 = '>>> ' |
|
136 | classic_config.InteractiveShell.prompt_in1 = '>>> ' | |
137 | classic_config.InteractiveShell.prompt_in2 = '... ' |
|
137 | classic_config.InteractiveShell.prompt_in2 = '... ' | |
138 | classic_config.InteractiveShell.prompt_out = '' |
|
138 | classic_config.InteractiveShell.prompt_out = '' | |
139 | classic_config.InteractiveShell.separate_in = '' |
|
139 | classic_config.InteractiveShell.separate_in = '' | |
140 | classic_config.InteractiveShell.separate_out = '' |
|
140 | classic_config.InteractiveShell.separate_out = '' | |
141 | classic_config.InteractiveShell.separate_out2 = '' |
|
141 | classic_config.InteractiveShell.separate_out2 = '' | |
142 | classic_config.InteractiveShell.colors = 'NoColor' |
|
142 | classic_config.InteractiveShell.colors = 'NoColor' | |
143 | classic_config.InteractiveShell.xmode = 'Plain' |
|
143 | classic_config.InteractiveShell.xmode = 'Plain' | |
144 |
|
144 | |||
145 | flags['classic']=( |
|
145 | flags['classic']=( | |
146 | classic_config, |
|
146 | classic_config, | |
147 | "Gives IPython a similar feel to the classic Python prompt." |
|
147 | "Gives IPython a similar feel to the classic Python prompt." | |
148 | ) |
|
148 | ) | |
149 | # # log doesn't make so much sense this way anymore |
|
149 | # # log doesn't make so much sense this way anymore | |
150 | # paa('--log','-l', |
|
150 | # paa('--log','-l', | |
151 | # action='store_true', dest='InteractiveShell.logstart', |
|
151 | # action='store_true', dest='InteractiveShell.logstart', | |
152 | # help="Start logging to the default log file (./ipython_log.py).") |
|
152 | # help="Start logging to the default log file (./ipython_log.py).") | |
153 | # |
|
153 | # | |
154 | # # quick is harder to implement |
|
154 | # # quick is harder to implement | |
155 | flags['quick']=( |
|
155 | flags['quick']=( | |
156 | {'TerminalIPythonApp' : {'quick' : True}}, |
|
156 | {'TerminalIPythonApp' : {'quick' : True}}, | |
157 | "Enable quick startup with no config files." |
|
157 | "Enable quick startup with no config files." | |
158 | ) |
|
158 | ) | |
159 |
|
159 | |||
160 | flags['i'] = ( |
|
160 | flags['i'] = ( | |
161 | {'TerminalIPythonApp' : {'force_interact' : True}}, |
|
161 | {'TerminalIPythonApp' : {'force_interact' : True}}, | |
162 | """If running code from the command line, become interactive afterwards. |
|
162 | """If running code from the command line, become interactive afterwards. | |
163 | Note: can also be given simply as '-i.'""" |
|
163 | Note: can also be given simply as '-i.'""" | |
164 | ) |
|
164 | ) | |
165 | flags['pylab'] = ( |
|
165 | flags['pylab'] = ( | |
166 | {'TerminalIPythonApp' : {'pylab' : 'auto'}}, |
|
166 | {'TerminalIPythonApp' : {'pylab' : 'auto'}}, | |
167 | """Pre-load matplotlib and numpy for interactive use with |
|
167 | """Pre-load matplotlib and numpy for interactive use with | |
168 | the default matplotlib backend.""" |
|
168 | the default matplotlib backend.""" | |
169 | ) |
|
169 | ) | |
170 |
|
170 | |||
171 | aliases = dict(base_aliases) |
|
171 | aliases = dict(base_aliases) | |
172 | aliases.update(shell_aliases) |
|
172 | aliases.update(shell_aliases) | |
173 |
|
173 | |||
174 | # it's possible we don't want short aliases for *all* of these: |
|
174 | # it's possible we don't want short aliases for *all* of these: | |
175 | aliases.update(dict( |
|
175 | aliases.update(dict( | |
176 | gui='TerminalIPythonApp.gui', |
|
176 | gui='TerminalIPythonApp.gui', | |
177 | pylab='TerminalIPythonApp.pylab', |
|
177 | pylab='TerminalIPythonApp.pylab', | |
178 | )) |
|
178 | )) | |
179 |
|
179 | |||
180 | #----------------------------------------------------------------------------- |
|
180 | #----------------------------------------------------------------------------- | |
181 | # Main classes and functions |
|
181 | # Main classes and functions | |
182 | #----------------------------------------------------------------------------- |
|
182 | #----------------------------------------------------------------------------- | |
183 |
|
183 | |||
184 | class TerminalIPythonApp(BaseIPythonApplication, InteractiveShellApp): |
|
184 | class TerminalIPythonApp(BaseIPythonApplication, InteractiveShellApp): | |
185 | name = u'ipython' |
|
185 | name = u'ipython' | |
186 | description = usage.cl_usage |
|
186 | description = usage.cl_usage | |
187 | default_config_file_name = default_config_file_name |
|
187 | default_config_file_name = default_config_file_name | |
188 | crash_handler_class = IPAppCrashHandler |
|
188 | crash_handler_class = IPAppCrashHandler | |
189 | examples = _examples |
|
189 | examples = _examples | |
190 |
|
190 | |||
191 | flags = Dict(flags) |
|
191 | flags = Dict(flags) | |
192 | aliases = Dict(aliases) |
|
192 | aliases = Dict(aliases) | |
193 | classes = List() |
|
193 | classes = List() | |
194 | def _classes_default(self): |
|
194 | def _classes_default(self): | |
195 | """This has to be in a method, for TerminalIPythonApp to be available.""" |
|
195 | """This has to be in a method, for TerminalIPythonApp to be available.""" | |
196 | return [ |
|
196 | return [ | |
197 | InteractiveShellApp, # ShellApp comes before TerminalApp, because |
|
197 | InteractiveShellApp, # ShellApp comes before TerminalApp, because | |
198 | self.__class__, # it will also affect subclasses (e.g. QtConsole) |
|
198 | self.__class__, # it will also affect subclasses (e.g. QtConsole) | |
199 | TerminalInteractiveShell, |
|
199 | TerminalInteractiveShell, | |
200 | ProfileDir, |
|
200 | ProfileDir, | |
201 | PlainTextFormatter, |
|
201 | PlainTextFormatter, | |
202 | IPCompleter, |
|
202 | IPCompleter, | |
203 | ] |
|
203 | ] | |
204 |
|
204 | |||
205 | subcommands = Dict(dict( |
|
205 | subcommands = Dict(dict( | |
206 | qtconsole=('IPython.frontend.qt.console.qtconsoleapp.IPythonQtConsoleApp', |
|
206 | qtconsole=('IPython.frontend.qt.console.qtconsoleapp.IPythonQtConsoleApp', | |
207 | """Launch the IPython Qt Console.""" |
|
207 | """Launch the IPython Qt Console.""" | |
208 | ), |
|
208 | ), | |
209 | notebook=('IPython.frontend.html.notebook.notebookapp.NotebookApp', |
|
209 | notebook=('IPython.frontend.html.notebook.notebookapp.NotebookApp', | |
210 | """Launch the IPython HTML Notebook Server""" |
|
210 | """Launch the IPython HTML Notebook Server""" | |
211 | ), |
|
211 | ), | |
212 | profile = ("IPython.core.profileapp.ProfileApp", |
|
212 | profile = ("IPython.core.profileapp.ProfileApp", | |
213 | "Create and manage IPython profiles." |
|
213 | "Create and manage IPython profiles." | |
214 | ), |
|
214 | ), | |
215 | kernel = ("IPython.zmq.ipkernel.IPKernelApp", |
|
215 | kernel = ("IPython.zmq.ipkernel.IPKernelApp", | |
216 | "Start a kernel without an attached frontend." |
|
216 | "Start a kernel without an attached frontend." | |
217 | ), |
|
217 | ), | |
218 | )) |
|
218 | )) | |
219 |
|
219 | |||
220 | # *do* autocreate requested profile, but don't create the config file. |
|
220 | # *do* autocreate requested profile, but don't create the config file. | |
221 | auto_create=Bool(True) |
|
221 | auto_create=Bool(True) | |
222 | # configurables |
|
222 | # configurables | |
223 | ignore_old_config=Bool(False, config=True, |
|
223 | ignore_old_config=Bool(False, config=True, | |
224 | help="Suppress warning messages about legacy config files" |
|
224 | help="Suppress warning messages about legacy config files" | |
225 | ) |
|
225 | ) | |
226 | quick = Bool(False, config=True, |
|
226 | quick = Bool(False, config=True, | |
227 | help="""Start IPython quickly by skipping the loading of config files.""" |
|
227 | help="""Start IPython quickly by skipping the loading of config files.""" | |
228 | ) |
|
228 | ) | |
229 | def _quick_changed(self, name, old, new): |
|
229 | def _quick_changed(self, name, old, new): | |
230 | if new: |
|
230 | if new: | |
231 | self.load_config_file = lambda *a, **kw: None |
|
231 | self.load_config_file = lambda *a, **kw: None | |
232 | self.ignore_old_config=True |
|
232 | self.ignore_old_config=True | |
233 |
|
233 | |||
234 | gui = CaselessStrEnum(('qt', 'wx', 'gtk', 'glut', 'pyglet'), config=True, |
|
234 | gui = CaselessStrEnum(('qt', 'wx', 'gtk', 'glut', 'pyglet'), config=True, | |
235 | help="Enable GUI event loop integration ('qt', 'wx', 'gtk', 'glut', 'pyglet')." |
|
235 | help="Enable GUI event loop integration ('qt', 'wx', 'gtk', 'glut', 'pyglet')." | |
236 | ) |
|
236 | ) | |
237 | pylab = CaselessStrEnum(['tk', 'qt', 'wx', 'gtk', 'osx', 'auto'], |
|
237 | pylab = CaselessStrEnum(['tk', 'qt', 'wx', 'gtk', 'osx', 'auto'], | |
238 | config=True, |
|
238 | config=True, | |
239 | help="""Pre-load matplotlib and numpy for interactive use, |
|
239 | help="""Pre-load matplotlib and numpy for interactive use, | |
240 | selecting a particular matplotlib backend and loop integration. |
|
240 | selecting a particular matplotlib backend and loop integration. | |
241 | """ |
|
241 | """ | |
242 | ) |
|
242 | ) | |
243 | display_banner = Bool(True, config=True, |
|
243 | display_banner = Bool(True, config=True, | |
244 | help="Whether to display a banner upon starting IPython." |
|
244 | help="Whether to display a banner upon starting IPython." | |
245 | ) |
|
245 | ) | |
246 |
|
246 | |||
247 | # if there is code of files to run from the cmd line, don't interact |
|
247 | # if there is code of files to run from the cmd line, don't interact | |
248 | # unless the --i flag (App.force_interact) is true. |
|
248 | # unless the --i flag (App.force_interact) is true. | |
249 | force_interact = Bool(False, config=True, |
|
249 | force_interact = Bool(False, config=True, | |
250 | help="""If a command or file is given via the command-line, |
|
250 | help="""If a command or file is given via the command-line, | |
251 | e.g. 'ipython foo.py""" |
|
251 | e.g. 'ipython foo.py""" | |
252 | ) |
|
252 | ) | |
253 | def _force_interact_changed(self, name, old, new): |
|
253 | def _force_interact_changed(self, name, old, new): | |
254 | if new: |
|
254 | if new: | |
255 | self.interact = True |
|
255 | self.interact = True | |
256 |
|
256 | |||
257 | def _file_to_run_changed(self, name, old, new): |
|
257 | def _file_to_run_changed(self, name, old, new): | |
258 | if new and not self.force_interact: |
|
258 | if new and not self.force_interact: | |
259 | self.interact = False |
|
259 | self.interact = False | |
260 | _code_to_run_changed = _file_to_run_changed |
|
260 | _code_to_run_changed = _file_to_run_changed | |
261 |
|
261 | |||
262 | # internal, not-configurable |
|
262 | # internal, not-configurable | |
263 | interact=Bool(True) |
|
263 | interact=Bool(True) | |
264 |
|
264 | |||
265 |
|
265 | |||
266 | def parse_command_line(self, argv=None): |
|
266 | def parse_command_line(self, argv=None): | |
267 | """override to allow old '-pylab' flag with deprecation warning""" |
|
267 | """override to allow old '-pylab' flag with deprecation warning""" | |
268 |
|
268 | |||
269 | argv = sys.argv[1:] if argv is None else argv |
|
269 | argv = sys.argv[1:] if argv is None else argv | |
270 |
|
270 | |||
271 | if '-pylab' in argv: |
|
271 | if '-pylab' in argv: | |
272 | # deprecated `-pylab` given, |
|
272 | # deprecated `-pylab` given, | |
273 | # warn and transform into current syntax |
|
273 | # warn and transform into current syntax | |
274 | argv = argv[:] # copy, don't clobber |
|
274 | argv = argv[:] # copy, don't clobber | |
275 | idx = argv.index('-pylab') |
|
275 | idx = argv.index('-pylab') | |
276 | warn.warn("`-pylab` flag has been deprecated.\n" |
|
276 | warn.warn("`-pylab` flag has been deprecated.\n" | |
277 | " Use `--pylab` instead, or `--pylab=foo` to specify a backend.") |
|
277 | " Use `--pylab` instead, or `--pylab=foo` to specify a backend.") | |
278 | sub = '--pylab' |
|
278 | sub = '--pylab' | |
279 | if len(argv) > idx+1: |
|
279 | if len(argv) > idx+1: | |
280 | # check for gui arg, as in '-pylab qt' |
|
280 | # check for gui arg, as in '-pylab qt' | |
281 | gui = argv[idx+1] |
|
281 | gui = argv[idx+1] | |
282 | if gui in ('wx', 'qt', 'qt4', 'gtk', 'auto'): |
|
282 | if gui in ('wx', 'qt', 'qt4', 'gtk', 'auto'): | |
283 | sub = '--pylab='+gui |
|
283 | sub = '--pylab='+gui | |
284 | argv.pop(idx+1) |
|
284 | argv.pop(idx+1) | |
285 | argv[idx] = sub |
|
285 | argv[idx] = sub | |
286 |
|
286 | |||
287 | return super(TerminalIPythonApp, self).parse_command_line(argv) |
|
287 | return super(TerminalIPythonApp, self).parse_command_line(argv) | |
288 |
|
288 | |||
289 | @catch_config_error |
|
289 | @catch_config_error | |
290 | def initialize(self, argv=None): |
|
290 | def initialize(self, argv=None): | |
291 | """Do actions after construct, but before starting the app.""" |
|
291 | """Do actions after construct, but before starting the app.""" | |
292 | super(TerminalIPythonApp, self).initialize(argv) |
|
292 | super(TerminalIPythonApp, self).initialize(argv) | |
293 | if self.subapp is not None: |
|
293 | if self.subapp is not None: | |
294 | # don't bother initializing further, starting subapp |
|
294 | # don't bother initializing further, starting subapp | |
295 | return |
|
295 | return | |
296 | if not self.ignore_old_config: |
|
296 | if not self.ignore_old_config: | |
297 | check_for_old_config(self.ipython_dir) |
|
297 | check_for_old_config(self.ipython_dir) | |
298 | # print self.extra_args |
|
298 | # print self.extra_args | |
299 | if self.extra_args: |
|
299 | if self.extra_args: | |
300 | self.file_to_run = self.extra_args[0] |
|
300 | self.file_to_run = self.extra_args[0] | |
301 | # create the shell |
|
301 | # create the shell | |
302 | self.init_shell() |
|
302 | self.init_shell() | |
303 | # and draw the banner |
|
303 | # and draw the banner | |
304 | self.init_banner() |
|
304 | self.init_banner() | |
305 | # Now a variety of things that happen after the banner is printed. |
|
305 | # Now a variety of things that happen after the banner is printed. | |
306 | self.init_gui_pylab() |
|
306 | self.init_gui_pylab() | |
307 | self.init_extensions() |
|
307 | self.init_extensions() | |
308 | self.init_code() |
|
308 | self.init_code() | |
309 |
|
309 | |||
310 | def init_shell(self): |
|
310 | def init_shell(self): | |
311 | """initialize the InteractiveShell instance""" |
|
311 | """initialize the InteractiveShell instance""" | |
312 | # I am a little hesitant to put these into InteractiveShell itself. |
|
312 | # I am a little hesitant to put these into InteractiveShell itself. | |
313 | # But that might be the place for them |
|
313 | # But that might be the place for them | |
314 | sys.path.insert(0, '') |
|
314 | sys.path.insert(0, '') | |
315 |
|
315 | |||
316 | # Create an InteractiveShell instance. |
|
316 | # Create an InteractiveShell instance. | |
317 | # shell.display_banner should always be False for the terminal |
|
317 | # shell.display_banner should always be False for the terminal | |
318 | # based app, because we call shell.show_banner() by hand below |
|
318 | # based app, because we call shell.show_banner() by hand below | |
319 | # so the banner shows *before* all extension loading stuff. |
|
319 | # so the banner shows *before* all extension loading stuff. | |
320 | self.shell = TerminalInteractiveShell.instance(config=self.config, |
|
320 | self.shell = TerminalInteractiveShell.instance(config=self.config, | |
321 | display_banner=False, profile_dir=self.profile_dir, |
|
321 | display_banner=False, profile_dir=self.profile_dir, | |
322 | ipython_dir=self.ipython_dir) |
|
322 | ipython_dir=self.ipython_dir) | |
|
323 | self.shell.configurables.append(self) | |||
323 |
|
324 | |||
324 | def init_banner(self): |
|
325 | def init_banner(self): | |
325 | """optionally display the banner""" |
|
326 | """optionally display the banner""" | |
326 | if self.display_banner and self.interact: |
|
327 | if self.display_banner and self.interact: | |
327 | self.shell.show_banner() |
|
328 | self.shell.show_banner() | |
328 | # Make sure there is a space below the banner. |
|
329 | # Make sure there is a space below the banner. | |
329 | if self.log_level <= logging.INFO: print |
|
330 | if self.log_level <= logging.INFO: print | |
330 |
|
331 | |||
331 |
|
332 | |||
332 | def init_gui_pylab(self): |
|
333 | def init_gui_pylab(self): | |
333 | """Enable GUI event loop integration, taking pylab into account.""" |
|
334 | """Enable GUI event loop integration, taking pylab into account.""" | |
334 | gui = self.gui |
|
335 | gui = self.gui | |
335 |
|
336 | |||
336 | # Using `pylab` will also require gui activation, though which toolkit |
|
337 | # Using `pylab` will also require gui activation, though which toolkit | |
337 | # to use may be chosen automatically based on mpl configuration. |
|
338 | # to use may be chosen automatically based on mpl configuration. | |
338 | if self.pylab: |
|
339 | if self.pylab: | |
339 | activate = self.shell.enable_pylab |
|
340 | activate = self.shell.enable_pylab | |
340 | if self.pylab == 'auto': |
|
341 | if self.pylab == 'auto': | |
341 | gui = None |
|
342 | gui = None | |
342 | else: |
|
343 | else: | |
343 | gui = self.pylab |
|
344 | gui = self.pylab | |
344 | else: |
|
345 | else: | |
345 | # Enable only GUI integration, no pylab |
|
346 | # Enable only GUI integration, no pylab | |
346 | activate = inputhook.enable_gui |
|
347 | activate = inputhook.enable_gui | |
347 |
|
348 | |||
348 | if gui or self.pylab: |
|
349 | if gui or self.pylab: | |
349 | try: |
|
350 | try: | |
350 | self.log.info("Enabling GUI event loop integration, " |
|
351 | self.log.info("Enabling GUI event loop integration, " | |
351 | "toolkit=%s, pylab=%s" % (gui, self.pylab) ) |
|
352 | "toolkit=%s, pylab=%s" % (gui, self.pylab) ) | |
352 | if self.pylab: |
|
353 | if self.pylab: | |
353 | activate(gui, import_all=self.pylab_import_all) |
|
354 | activate(gui, import_all=self.pylab_import_all) | |
354 | else: |
|
355 | else: | |
355 | activate(gui) |
|
356 | activate(gui) | |
356 | except: |
|
357 | except: | |
357 | self.log.warn("Error in enabling GUI event loop integration:") |
|
358 | self.log.warn("Error in enabling GUI event loop integration:") | |
358 | self.shell.showtraceback() |
|
359 | self.shell.showtraceback() | |
359 |
|
360 | |||
360 | def start(self): |
|
361 | def start(self): | |
361 | if self.subapp is not None: |
|
362 | if self.subapp is not None: | |
362 | return self.subapp.start() |
|
363 | return self.subapp.start() | |
363 | # perform any prexec steps: |
|
364 | # perform any prexec steps: | |
364 | if self.interact: |
|
365 | if self.interact: | |
365 | self.log.debug("Starting IPython's mainloop...") |
|
366 | self.log.debug("Starting IPython's mainloop...") | |
366 | self.shell.mainloop() |
|
367 | self.shell.mainloop() | |
367 | else: |
|
368 | else: | |
368 | self.log.debug("IPython not interactive...") |
|
369 | self.log.debug("IPython not interactive...") | |
369 |
|
370 | |||
370 |
|
371 | |||
371 | def load_default_config(ipython_dir=None): |
|
372 | def load_default_config(ipython_dir=None): | |
372 | """Load the default config file from the default ipython_dir. |
|
373 | """Load the default config file from the default ipython_dir. | |
373 |
|
374 | |||
374 | This is useful for embedded shells. |
|
375 | This is useful for embedded shells. | |
375 | """ |
|
376 | """ | |
376 | if ipython_dir is None: |
|
377 | if ipython_dir is None: | |
377 | ipython_dir = get_ipython_dir() |
|
378 | ipython_dir = get_ipython_dir() | |
378 | profile_dir = os.path.join(ipython_dir, 'profile_default') |
|
379 | profile_dir = os.path.join(ipython_dir, 'profile_default') | |
379 | cl = PyFileConfigLoader(default_config_file_name, profile_dir) |
|
380 | cl = PyFileConfigLoader(default_config_file_name, profile_dir) | |
380 | try: |
|
381 | try: | |
381 | config = cl.load_config() |
|
382 | config = cl.load_config() | |
382 | except ConfigFileNotFound: |
|
383 | except ConfigFileNotFound: | |
383 | # no config found |
|
384 | # no config found | |
384 | config = Config() |
|
385 | config = Config() | |
385 | return config |
|
386 | return config | |
386 |
|
387 | |||
387 |
|
388 | |||
388 | def launch_new_instance(): |
|
389 | def launch_new_instance(): | |
389 | """Create and run a full blown IPython instance""" |
|
390 | """Create and run a full blown IPython instance""" | |
390 | app = TerminalIPythonApp.instance() |
|
391 | app = TerminalIPythonApp.instance() | |
391 | app.initialize() |
|
392 | app.initialize() | |
392 | app.start() |
|
393 | app.start() | |
393 |
|
394 | |||
394 |
|
395 | |||
395 | if __name__ == '__main__': |
|
396 | if __name__ == '__main__': | |
396 | launch_new_instance() |
|
397 | launch_new_instance() |
@@ -1,813 +1,814 b'' | |||||
1 | #!/usr/bin/env python |
|
1 | #!/usr/bin/env python | |
2 | """A simple interactive kernel that talks to a frontend over 0MQ. |
|
2 | """A simple interactive kernel that talks to a frontend over 0MQ. | |
3 |
|
3 | |||
4 | Things to do: |
|
4 | Things to do: | |
5 |
|
5 | |||
6 | * Implement `set_parent` logic. Right before doing exec, the Kernel should |
|
6 | * Implement `set_parent` logic. Right before doing exec, the Kernel should | |
7 | call set_parent on all the PUB objects with the message about to be executed. |
|
7 | call set_parent on all the PUB objects with the message about to be executed. | |
8 | * Implement random port and security key logic. |
|
8 | * Implement random port and security key logic. | |
9 | * Implement control messages. |
|
9 | * Implement control messages. | |
10 | * Implement event loop and poll version. |
|
10 | * Implement event loop and poll version. | |
11 | """ |
|
11 | """ | |
12 |
|
12 | |||
13 | #----------------------------------------------------------------------------- |
|
13 | #----------------------------------------------------------------------------- | |
14 | # Imports |
|
14 | # Imports | |
15 | #----------------------------------------------------------------------------- |
|
15 | #----------------------------------------------------------------------------- | |
16 | from __future__ import print_function |
|
16 | from __future__ import print_function | |
17 |
|
17 | |||
18 | # Standard library imports. |
|
18 | # Standard library imports. | |
19 | import __builtin__ |
|
19 | import __builtin__ | |
20 | import atexit |
|
20 | import atexit | |
21 | import sys |
|
21 | import sys | |
22 | import time |
|
22 | import time | |
23 | import traceback |
|
23 | import traceback | |
24 | import logging |
|
24 | import logging | |
25 |
|
25 | |||
26 | # System library imports. |
|
26 | # System library imports. | |
27 | import zmq |
|
27 | import zmq | |
28 |
|
28 | |||
29 | # Local imports. |
|
29 | # Local imports. | |
30 | from IPython.config.configurable import Configurable |
|
30 | from IPython.config.configurable import Configurable | |
31 | from IPython.config.application import boolean_flag, catch_config_error |
|
31 | from IPython.config.application import boolean_flag, catch_config_error | |
32 | from IPython.core.application import ProfileDir |
|
32 | from IPython.core.application import ProfileDir | |
33 | from IPython.core.error import StdinNotImplementedError |
|
33 | from IPython.core.error import StdinNotImplementedError | |
34 | from IPython.core.shellapp import ( |
|
34 | from IPython.core.shellapp import ( | |
35 | InteractiveShellApp, shell_flags, shell_aliases |
|
35 | InteractiveShellApp, shell_flags, shell_aliases | |
36 | ) |
|
36 | ) | |
37 | from IPython.utils import io |
|
37 | from IPython.utils import io | |
38 | from IPython.utils import py3compat |
|
38 | from IPython.utils import py3compat | |
39 | from IPython.utils.jsonutil import json_clean |
|
39 | from IPython.utils.jsonutil import json_clean | |
40 | from IPython.lib import pylabtools |
|
40 | from IPython.lib import pylabtools | |
41 | from IPython.utils.traitlets import ( |
|
41 | from IPython.utils.traitlets import ( | |
42 | Any, List, Instance, Float, Dict, Bool, Int, Unicode, CaselessStrEnum |
|
42 | Any, List, Instance, Float, Dict, Bool, Int, Unicode, CaselessStrEnum | |
43 | ) |
|
43 | ) | |
44 |
|
44 | |||
45 | from entry_point import base_launch_kernel |
|
45 | from entry_point import base_launch_kernel | |
46 | from kernelapp import KernelApp, kernel_flags, kernel_aliases |
|
46 | from kernelapp import KernelApp, kernel_flags, kernel_aliases | |
47 | from iostream import OutStream |
|
47 | from iostream import OutStream | |
48 | from session import Session, Message |
|
48 | from session import Session, Message | |
49 | from zmqshell import ZMQInteractiveShell |
|
49 | from zmqshell import ZMQInteractiveShell | |
50 |
|
50 | |||
51 |
|
51 | |||
52 | #----------------------------------------------------------------------------- |
|
52 | #----------------------------------------------------------------------------- | |
53 | # Main kernel class |
|
53 | # Main kernel class | |
54 | #----------------------------------------------------------------------------- |
|
54 | #----------------------------------------------------------------------------- | |
55 |
|
55 | |||
56 | class Kernel(Configurable): |
|
56 | class Kernel(Configurable): | |
57 |
|
57 | |||
58 | #--------------------------------------------------------------------------- |
|
58 | #--------------------------------------------------------------------------- | |
59 | # Kernel interface |
|
59 | # Kernel interface | |
60 | #--------------------------------------------------------------------------- |
|
60 | #--------------------------------------------------------------------------- | |
61 |
|
61 | |||
62 | # attribute to override with a GUI |
|
62 | # attribute to override with a GUI | |
63 | eventloop = Any(None) |
|
63 | eventloop = Any(None) | |
64 |
|
64 | |||
65 | shell = Instance('IPython.core.interactiveshell.InteractiveShellABC') |
|
65 | shell = Instance('IPython.core.interactiveshell.InteractiveShellABC') | |
66 | session = Instance(Session) |
|
66 | session = Instance(Session) | |
67 | profile_dir = Instance('IPython.core.profiledir.ProfileDir') |
|
67 | profile_dir = Instance('IPython.core.profiledir.ProfileDir') | |
68 | shell_socket = Instance('zmq.Socket') |
|
68 | shell_socket = Instance('zmq.Socket') | |
69 | iopub_socket = Instance('zmq.Socket') |
|
69 | iopub_socket = Instance('zmq.Socket') | |
70 | stdin_socket = Instance('zmq.Socket') |
|
70 | stdin_socket = Instance('zmq.Socket') | |
71 | log = Instance(logging.Logger) |
|
71 | log = Instance(logging.Logger) | |
72 |
|
72 | |||
73 | # Private interface |
|
73 | # Private interface | |
74 |
|
74 | |||
75 | # Time to sleep after flushing the stdout/err buffers in each execute |
|
75 | # Time to sleep after flushing the stdout/err buffers in each execute | |
76 | # cycle. While this introduces a hard limit on the minimal latency of the |
|
76 | # cycle. While this introduces a hard limit on the minimal latency of the | |
77 | # execute cycle, it helps prevent output synchronization problems for |
|
77 | # execute cycle, it helps prevent output synchronization problems for | |
78 | # clients. |
|
78 | # clients. | |
79 | # Units are in seconds. The minimum zmq latency on local host is probably |
|
79 | # Units are in seconds. The minimum zmq latency on local host is probably | |
80 | # ~150 microseconds, set this to 500us for now. We may need to increase it |
|
80 | # ~150 microseconds, set this to 500us for now. We may need to increase it | |
81 | # a little if it's not enough after more interactive testing. |
|
81 | # a little if it's not enough after more interactive testing. | |
82 | _execute_sleep = Float(0.0005, config=True) |
|
82 | _execute_sleep = Float(0.0005, config=True) | |
83 |
|
83 | |||
84 | # Frequency of the kernel's event loop. |
|
84 | # Frequency of the kernel's event loop. | |
85 | # Units are in seconds, kernel subclasses for GUI toolkits may need to |
|
85 | # Units are in seconds, kernel subclasses for GUI toolkits may need to | |
86 | # adapt to milliseconds. |
|
86 | # adapt to milliseconds. | |
87 | _poll_interval = Float(0.05, config=True) |
|
87 | _poll_interval = Float(0.05, config=True) | |
88 |
|
88 | |||
89 | # If the shutdown was requested over the network, we leave here the |
|
89 | # If the shutdown was requested over the network, we leave here the | |
90 | # necessary reply message so it can be sent by our registered atexit |
|
90 | # necessary reply message so it can be sent by our registered atexit | |
91 | # handler. This ensures that the reply is only sent to clients truly at |
|
91 | # handler. This ensures that the reply is only sent to clients truly at | |
92 | # the end of our shutdown process (which happens after the underlying |
|
92 | # the end of our shutdown process (which happens after the underlying | |
93 | # IPython shell's own shutdown). |
|
93 | # IPython shell's own shutdown). | |
94 | _shutdown_message = None |
|
94 | _shutdown_message = None | |
95 |
|
95 | |||
96 | # This is a dict of port number that the kernel is listening on. It is set |
|
96 | # This is a dict of port number that the kernel is listening on. It is set | |
97 | # by record_ports and used by connect_request. |
|
97 | # by record_ports and used by connect_request. | |
98 | _recorded_ports = Dict() |
|
98 | _recorded_ports = Dict() | |
99 |
|
99 | |||
100 |
|
100 | |||
101 |
|
101 | |||
102 | def __init__(self, **kwargs): |
|
102 | def __init__(self, **kwargs): | |
103 | super(Kernel, self).__init__(**kwargs) |
|
103 | super(Kernel, self).__init__(**kwargs) | |
104 |
|
104 | |||
105 | # Before we even start up the shell, register *first* our exit handlers |
|
105 | # Before we even start up the shell, register *first* our exit handlers | |
106 | # so they come before the shell's |
|
106 | # so they come before the shell's | |
107 | atexit.register(self._at_shutdown) |
|
107 | atexit.register(self._at_shutdown) | |
108 |
|
108 | |||
109 | # Initialize the InteractiveShell subclass |
|
109 | # Initialize the InteractiveShell subclass | |
110 | self.shell = ZMQInteractiveShell.instance(config=self.config, |
|
110 | self.shell = ZMQInteractiveShell.instance(config=self.config, | |
111 | profile_dir = self.profile_dir, |
|
111 | profile_dir = self.profile_dir, | |
112 | ) |
|
112 | ) | |
113 | self.shell.displayhook.session = self.session |
|
113 | self.shell.displayhook.session = self.session | |
114 | self.shell.displayhook.pub_socket = self.iopub_socket |
|
114 | self.shell.displayhook.pub_socket = self.iopub_socket | |
115 | self.shell.display_pub.session = self.session |
|
115 | self.shell.display_pub.session = self.session | |
116 | self.shell.display_pub.pub_socket = self.iopub_socket |
|
116 | self.shell.display_pub.pub_socket = self.iopub_socket | |
117 |
|
117 | |||
118 | # TMP - hack while developing |
|
118 | # TMP - hack while developing | |
119 | self.shell._reply_content = None |
|
119 | self.shell._reply_content = None | |
120 |
|
120 | |||
121 | # Build dict of handlers for message types |
|
121 | # Build dict of handlers for message types | |
122 | msg_types = [ 'execute_request', 'complete_request', |
|
122 | msg_types = [ 'execute_request', 'complete_request', | |
123 | 'object_info_request', 'history_request', |
|
123 | 'object_info_request', 'history_request', | |
124 | 'connect_request', 'shutdown_request'] |
|
124 | 'connect_request', 'shutdown_request'] | |
125 | self.handlers = {} |
|
125 | self.handlers = {} | |
126 | for msg_type in msg_types: |
|
126 | for msg_type in msg_types: | |
127 | self.handlers[msg_type] = getattr(self, msg_type) |
|
127 | self.handlers[msg_type] = getattr(self, msg_type) | |
128 |
|
128 | |||
129 | def do_one_iteration(self): |
|
129 | def do_one_iteration(self): | |
130 | """Do one iteration of the kernel's evaluation loop. |
|
130 | """Do one iteration of the kernel's evaluation loop. | |
131 | """ |
|
131 | """ | |
132 | try: |
|
132 | try: | |
133 | ident,msg = self.session.recv(self.shell_socket, zmq.NOBLOCK) |
|
133 | ident,msg = self.session.recv(self.shell_socket, zmq.NOBLOCK) | |
134 | except Exception: |
|
134 | except Exception: | |
135 | self.log.warn("Invalid Message:", exc_info=True) |
|
135 | self.log.warn("Invalid Message:", exc_info=True) | |
136 | return |
|
136 | return | |
137 | if msg is None: |
|
137 | if msg is None: | |
138 | return |
|
138 | return | |
139 |
|
139 | |||
140 | msg_type = msg['header']['msg_type'] |
|
140 | msg_type = msg['header']['msg_type'] | |
141 |
|
141 | |||
142 | # This assert will raise in versions of zeromq 2.0.7 and lesser. |
|
142 | # This assert will raise in versions of zeromq 2.0.7 and lesser. | |
143 | # We now require 2.0.8 or above, so we can uncomment for safety. |
|
143 | # We now require 2.0.8 or above, so we can uncomment for safety. | |
144 | # print(ident,msg, file=sys.__stdout__) |
|
144 | # print(ident,msg, file=sys.__stdout__) | |
145 | assert ident is not None, "Missing message part." |
|
145 | assert ident is not None, "Missing message part." | |
146 |
|
146 | |||
147 | # Print some info about this message and leave a '--->' marker, so it's |
|
147 | # Print some info about this message and leave a '--->' marker, so it's | |
148 | # easier to trace visually the message chain when debugging. Each |
|
148 | # easier to trace visually the message chain when debugging. Each | |
149 | # handler prints its message at the end. |
|
149 | # handler prints its message at the end. | |
150 | self.log.debug('\n*** MESSAGE TYPE:'+str(msg_type)+'***') |
|
150 | self.log.debug('\n*** MESSAGE TYPE:'+str(msg_type)+'***') | |
151 | self.log.debug(' Content: '+str(msg['content'])+'\n --->\n ') |
|
151 | self.log.debug(' Content: '+str(msg['content'])+'\n --->\n ') | |
152 |
|
152 | |||
153 | # Find and call actual handler for message |
|
153 | # Find and call actual handler for message | |
154 | handler = self.handlers.get(msg_type, None) |
|
154 | handler = self.handlers.get(msg_type, None) | |
155 | if handler is None: |
|
155 | if handler is None: | |
156 | self.log.error("UNKNOWN MESSAGE TYPE:" +str(msg)) |
|
156 | self.log.error("UNKNOWN MESSAGE TYPE:" +str(msg)) | |
157 | else: |
|
157 | else: | |
158 | handler(ident, msg) |
|
158 | handler(ident, msg) | |
159 |
|
159 | |||
160 | # Check whether we should exit, in case the incoming message set the |
|
160 | # Check whether we should exit, in case the incoming message set the | |
161 | # exit flag on |
|
161 | # exit flag on | |
162 | if self.shell.exit_now: |
|
162 | if self.shell.exit_now: | |
163 | self.log.debug('\nExiting IPython kernel...') |
|
163 | self.log.debug('\nExiting IPython kernel...') | |
164 | # We do a normal, clean exit, which allows any actions registered |
|
164 | # We do a normal, clean exit, which allows any actions registered | |
165 | # via atexit (such as history saving) to take place. |
|
165 | # via atexit (such as history saving) to take place. | |
166 | sys.exit(0) |
|
166 | sys.exit(0) | |
167 |
|
167 | |||
168 |
|
168 | |||
169 | def start(self): |
|
169 | def start(self): | |
170 | """ Start the kernel main loop. |
|
170 | """ Start the kernel main loop. | |
171 | """ |
|
171 | """ | |
172 | poller = zmq.Poller() |
|
172 | poller = zmq.Poller() | |
173 | poller.register(self.shell_socket, zmq.POLLIN) |
|
173 | poller.register(self.shell_socket, zmq.POLLIN) | |
174 | # loop while self.eventloop has not been overridden |
|
174 | # loop while self.eventloop has not been overridden | |
175 | while self.eventloop is None: |
|
175 | while self.eventloop is None: | |
176 | try: |
|
176 | try: | |
177 | # scale by extra factor of 10, because there is no |
|
177 | # scale by extra factor of 10, because there is no | |
178 | # reason for this to be anything less than ~ 0.1s |
|
178 | # reason for this to be anything less than ~ 0.1s | |
179 | # since it is a real poller and will respond |
|
179 | # since it is a real poller and will respond | |
180 | # to events immediately |
|
180 | # to events immediately | |
181 |
|
181 | |||
182 | # double nested try/except, to properly catch KeyboardInterrupt |
|
182 | # double nested try/except, to properly catch KeyboardInterrupt | |
183 | # due to pyzmq Issue #130 |
|
183 | # due to pyzmq Issue #130 | |
184 | try: |
|
184 | try: | |
185 | poller.poll(10*1000*self._poll_interval) |
|
185 | poller.poll(10*1000*self._poll_interval) | |
186 | self.do_one_iteration() |
|
186 | self.do_one_iteration() | |
187 | except: |
|
187 | except: | |
188 | raise |
|
188 | raise | |
189 | except KeyboardInterrupt: |
|
189 | except KeyboardInterrupt: | |
190 | # Ctrl-C shouldn't crash the kernel |
|
190 | # Ctrl-C shouldn't crash the kernel | |
191 | io.raw_print("KeyboardInterrupt caught in kernel") |
|
191 | io.raw_print("KeyboardInterrupt caught in kernel") | |
192 | if self.eventloop is not None: |
|
192 | if self.eventloop is not None: | |
193 | try: |
|
193 | try: | |
194 | self.eventloop(self) |
|
194 | self.eventloop(self) | |
195 | except KeyboardInterrupt: |
|
195 | except KeyboardInterrupt: | |
196 | # Ctrl-C shouldn't crash the kernel |
|
196 | # Ctrl-C shouldn't crash the kernel | |
197 | io.raw_print("KeyboardInterrupt caught in kernel") |
|
197 | io.raw_print("KeyboardInterrupt caught in kernel") | |
198 |
|
198 | |||
199 |
|
199 | |||
200 | def record_ports(self, ports): |
|
200 | def record_ports(self, ports): | |
201 | """Record the ports that this kernel is using. |
|
201 | """Record the ports that this kernel is using. | |
202 |
|
202 | |||
203 | The creator of the Kernel instance must call this methods if they |
|
203 | The creator of the Kernel instance must call this methods if they | |
204 | want the :meth:`connect_request` method to return the port numbers. |
|
204 | want the :meth:`connect_request` method to return the port numbers. | |
205 | """ |
|
205 | """ | |
206 | self._recorded_ports = ports |
|
206 | self._recorded_ports = ports | |
207 |
|
207 | |||
208 | #--------------------------------------------------------------------------- |
|
208 | #--------------------------------------------------------------------------- | |
209 | # Kernel request handlers |
|
209 | # Kernel request handlers | |
210 | #--------------------------------------------------------------------------- |
|
210 | #--------------------------------------------------------------------------- | |
211 |
|
211 | |||
212 | def _publish_pyin(self, code, parent): |
|
212 | def _publish_pyin(self, code, parent): | |
213 | """Publish the code request on the pyin stream.""" |
|
213 | """Publish the code request on the pyin stream.""" | |
214 |
|
214 | |||
215 | pyin_msg = self.session.send(self.iopub_socket, u'pyin',{u'code':code}, parent=parent) |
|
215 | pyin_msg = self.session.send(self.iopub_socket, u'pyin',{u'code':code}, parent=parent) | |
216 |
|
216 | |||
217 | def execute_request(self, ident, parent): |
|
217 | def execute_request(self, ident, parent): | |
218 |
|
218 | |||
219 | status_msg = self.session.send(self.iopub_socket, |
|
219 | status_msg = self.session.send(self.iopub_socket, | |
220 | u'status', |
|
220 | u'status', | |
221 | {u'execution_state':u'busy'}, |
|
221 | {u'execution_state':u'busy'}, | |
222 | parent=parent |
|
222 | parent=parent | |
223 | ) |
|
223 | ) | |
224 |
|
224 | |||
225 | try: |
|
225 | try: | |
226 | content = parent[u'content'] |
|
226 | content = parent[u'content'] | |
227 | code = content[u'code'] |
|
227 | code = content[u'code'] | |
228 | silent = content[u'silent'] |
|
228 | silent = content[u'silent'] | |
229 | except: |
|
229 | except: | |
230 | self.log.error("Got bad msg: ") |
|
230 | self.log.error("Got bad msg: ") | |
231 | self.log.error(str(Message(parent))) |
|
231 | self.log.error(str(Message(parent))) | |
232 | return |
|
232 | return | |
233 |
|
233 | |||
234 | shell = self.shell # we'll need this a lot here |
|
234 | shell = self.shell # we'll need this a lot here | |
235 |
|
235 | |||
236 | # Replace raw_input. Note that is not sufficient to replace |
|
236 | # Replace raw_input. Note that is not sufficient to replace | |
237 | # raw_input in the user namespace. |
|
237 | # raw_input in the user namespace. | |
238 | if content.get('allow_stdin', False): |
|
238 | if content.get('allow_stdin', False): | |
239 | raw_input = lambda prompt='': self._raw_input(prompt, ident, parent) |
|
239 | raw_input = lambda prompt='': self._raw_input(prompt, ident, parent) | |
240 | else: |
|
240 | else: | |
241 | raw_input = lambda prompt='' : self._no_raw_input() |
|
241 | raw_input = lambda prompt='' : self._no_raw_input() | |
242 |
|
242 | |||
243 | if py3compat.PY3: |
|
243 | if py3compat.PY3: | |
244 | __builtin__.input = raw_input |
|
244 | __builtin__.input = raw_input | |
245 | else: |
|
245 | else: | |
246 | __builtin__.raw_input = raw_input |
|
246 | __builtin__.raw_input = raw_input | |
247 |
|
247 | |||
248 | # Set the parent message of the display hook and out streams. |
|
248 | # Set the parent message of the display hook and out streams. | |
249 | shell.displayhook.set_parent(parent) |
|
249 | shell.displayhook.set_parent(parent) | |
250 | shell.display_pub.set_parent(parent) |
|
250 | shell.display_pub.set_parent(parent) | |
251 | sys.stdout.set_parent(parent) |
|
251 | sys.stdout.set_parent(parent) | |
252 | sys.stderr.set_parent(parent) |
|
252 | sys.stderr.set_parent(parent) | |
253 |
|
253 | |||
254 | # Re-broadcast our input for the benefit of listening clients, and |
|
254 | # Re-broadcast our input for the benefit of listening clients, and | |
255 | # start computing output |
|
255 | # start computing output | |
256 | if not silent: |
|
256 | if not silent: | |
257 | self._publish_pyin(code, parent) |
|
257 | self._publish_pyin(code, parent) | |
258 |
|
258 | |||
259 | reply_content = {} |
|
259 | reply_content = {} | |
260 | try: |
|
260 | try: | |
261 | if silent: |
|
261 | if silent: | |
262 | # run_code uses 'exec' mode, so no displayhook will fire, and it |
|
262 | # run_code uses 'exec' mode, so no displayhook will fire, and it | |
263 | # doesn't call logging or history manipulations. Print |
|
263 | # doesn't call logging or history manipulations. Print | |
264 | # statements in that code will obviously still execute. |
|
264 | # statements in that code will obviously still execute. | |
265 | shell.run_code(code) |
|
265 | shell.run_code(code) | |
266 | else: |
|
266 | else: | |
267 | # FIXME: the shell calls the exception handler itself. |
|
267 | # FIXME: the shell calls the exception handler itself. | |
268 | shell.run_cell(code, store_history=True) |
|
268 | shell.run_cell(code, store_history=True) | |
269 | except: |
|
269 | except: | |
270 | status = u'error' |
|
270 | status = u'error' | |
271 | # FIXME: this code right now isn't being used yet by default, |
|
271 | # FIXME: this code right now isn't being used yet by default, | |
272 | # because the run_cell() call above directly fires off exception |
|
272 | # because the run_cell() call above directly fires off exception | |
273 | # reporting. This code, therefore, is only active in the scenario |
|
273 | # reporting. This code, therefore, is only active in the scenario | |
274 | # where runlines itself has an unhandled exception. We need to |
|
274 | # where runlines itself has an unhandled exception. We need to | |
275 | # uniformize this, for all exception construction to come from a |
|
275 | # uniformize this, for all exception construction to come from a | |
276 | # single location in the codbase. |
|
276 | # single location in the codbase. | |
277 | etype, evalue, tb = sys.exc_info() |
|
277 | etype, evalue, tb = sys.exc_info() | |
278 | tb_list = traceback.format_exception(etype, evalue, tb) |
|
278 | tb_list = traceback.format_exception(etype, evalue, tb) | |
279 | reply_content.update(shell._showtraceback(etype, evalue, tb_list)) |
|
279 | reply_content.update(shell._showtraceback(etype, evalue, tb_list)) | |
280 | else: |
|
280 | else: | |
281 | status = u'ok' |
|
281 | status = u'ok' | |
282 |
|
282 | |||
283 | reply_content[u'status'] = status |
|
283 | reply_content[u'status'] = status | |
284 |
|
284 | |||
285 | # Return the execution counter so clients can display prompts |
|
285 | # Return the execution counter so clients can display prompts | |
286 | reply_content['execution_count'] = shell.execution_count -1 |
|
286 | reply_content['execution_count'] = shell.execution_count -1 | |
287 |
|
287 | |||
288 | # FIXME - fish exception info out of shell, possibly left there by |
|
288 | # FIXME - fish exception info out of shell, possibly left there by | |
289 | # runlines. We'll need to clean up this logic later. |
|
289 | # runlines. We'll need to clean up this logic later. | |
290 | if shell._reply_content is not None: |
|
290 | if shell._reply_content is not None: | |
291 | reply_content.update(shell._reply_content) |
|
291 | reply_content.update(shell._reply_content) | |
292 | # reset after use |
|
292 | # reset after use | |
293 | shell._reply_content = None |
|
293 | shell._reply_content = None | |
294 |
|
294 | |||
295 | # At this point, we can tell whether the main code execution succeeded |
|
295 | # At this point, we can tell whether the main code execution succeeded | |
296 | # or not. If it did, we proceed to evaluate user_variables/expressions |
|
296 | # or not. If it did, we proceed to evaluate user_variables/expressions | |
297 | if reply_content['status'] == 'ok': |
|
297 | if reply_content['status'] == 'ok': | |
298 | reply_content[u'user_variables'] = \ |
|
298 | reply_content[u'user_variables'] = \ | |
299 | shell.user_variables(content[u'user_variables']) |
|
299 | shell.user_variables(content[u'user_variables']) | |
300 | reply_content[u'user_expressions'] = \ |
|
300 | reply_content[u'user_expressions'] = \ | |
301 | shell.user_expressions(content[u'user_expressions']) |
|
301 | shell.user_expressions(content[u'user_expressions']) | |
302 | else: |
|
302 | else: | |
303 | # If there was an error, don't even try to compute variables or |
|
303 | # If there was an error, don't even try to compute variables or | |
304 | # expressions |
|
304 | # expressions | |
305 | reply_content[u'user_variables'] = {} |
|
305 | reply_content[u'user_variables'] = {} | |
306 | reply_content[u'user_expressions'] = {} |
|
306 | reply_content[u'user_expressions'] = {} | |
307 |
|
307 | |||
308 | # Payloads should be retrieved regardless of outcome, so we can both |
|
308 | # Payloads should be retrieved regardless of outcome, so we can both | |
309 | # recover partial output (that could have been generated early in a |
|
309 | # recover partial output (that could have been generated early in a | |
310 | # block, before an error) and clear the payload system always. |
|
310 | # block, before an error) and clear the payload system always. | |
311 | reply_content[u'payload'] = shell.payload_manager.read_payload() |
|
311 | reply_content[u'payload'] = shell.payload_manager.read_payload() | |
312 | # Be agressive about clearing the payload because we don't want |
|
312 | # Be agressive about clearing the payload because we don't want | |
313 | # it to sit in memory until the next execute_request comes in. |
|
313 | # it to sit in memory until the next execute_request comes in. | |
314 | shell.payload_manager.clear_payload() |
|
314 | shell.payload_manager.clear_payload() | |
315 |
|
315 | |||
316 | # Flush output before sending the reply. |
|
316 | # Flush output before sending the reply. | |
317 | sys.stdout.flush() |
|
317 | sys.stdout.flush() | |
318 | sys.stderr.flush() |
|
318 | sys.stderr.flush() | |
319 | # FIXME: on rare occasions, the flush doesn't seem to make it to the |
|
319 | # FIXME: on rare occasions, the flush doesn't seem to make it to the | |
320 | # clients... This seems to mitigate the problem, but we definitely need |
|
320 | # clients... This seems to mitigate the problem, but we definitely need | |
321 | # to better understand what's going on. |
|
321 | # to better understand what's going on. | |
322 | if self._execute_sleep: |
|
322 | if self._execute_sleep: | |
323 | time.sleep(self._execute_sleep) |
|
323 | time.sleep(self._execute_sleep) | |
324 |
|
324 | |||
325 | # Send the reply. |
|
325 | # Send the reply. | |
326 | reply_content = json_clean(reply_content) |
|
326 | reply_content = json_clean(reply_content) | |
327 | reply_msg = self.session.send(self.shell_socket, u'execute_reply', |
|
327 | reply_msg = self.session.send(self.shell_socket, u'execute_reply', | |
328 | reply_content, parent, ident=ident) |
|
328 | reply_content, parent, ident=ident) | |
329 | self.log.debug(str(reply_msg)) |
|
329 | self.log.debug(str(reply_msg)) | |
330 |
|
330 | |||
331 | if reply_msg['content']['status'] == u'error': |
|
331 | if reply_msg['content']['status'] == u'error': | |
332 | self._abort_queue() |
|
332 | self._abort_queue() | |
333 |
|
333 | |||
334 | status_msg = self.session.send(self.iopub_socket, |
|
334 | status_msg = self.session.send(self.iopub_socket, | |
335 | u'status', |
|
335 | u'status', | |
336 | {u'execution_state':u'idle'}, |
|
336 | {u'execution_state':u'idle'}, | |
337 | parent=parent |
|
337 | parent=parent | |
338 | ) |
|
338 | ) | |
339 |
|
339 | |||
340 | def complete_request(self, ident, parent): |
|
340 | def complete_request(self, ident, parent): | |
341 | txt, matches = self._complete(parent) |
|
341 | txt, matches = self._complete(parent) | |
342 | matches = {'matches' : matches, |
|
342 | matches = {'matches' : matches, | |
343 | 'matched_text' : txt, |
|
343 | 'matched_text' : txt, | |
344 | 'status' : 'ok'} |
|
344 | 'status' : 'ok'} | |
345 | matches = json_clean(matches) |
|
345 | matches = json_clean(matches) | |
346 | completion_msg = self.session.send(self.shell_socket, 'complete_reply', |
|
346 | completion_msg = self.session.send(self.shell_socket, 'complete_reply', | |
347 | matches, parent, ident) |
|
347 | matches, parent, ident) | |
348 | self.log.debug(str(completion_msg)) |
|
348 | self.log.debug(str(completion_msg)) | |
349 |
|
349 | |||
350 | def object_info_request(self, ident, parent): |
|
350 | def object_info_request(self, ident, parent): | |
351 | object_info = self.shell.object_inspect(parent['content']['oname']) |
|
351 | object_info = self.shell.object_inspect(parent['content']['oname']) | |
352 | # Before we send this object over, we scrub it for JSON usage |
|
352 | # Before we send this object over, we scrub it for JSON usage | |
353 | oinfo = json_clean(object_info) |
|
353 | oinfo = json_clean(object_info) | |
354 | msg = self.session.send(self.shell_socket, 'object_info_reply', |
|
354 | msg = self.session.send(self.shell_socket, 'object_info_reply', | |
355 | oinfo, parent, ident) |
|
355 | oinfo, parent, ident) | |
356 | self.log.debug(msg) |
|
356 | self.log.debug(msg) | |
357 |
|
357 | |||
358 | def history_request(self, ident, parent): |
|
358 | def history_request(self, ident, parent): | |
359 | # We need to pull these out, as passing **kwargs doesn't work with |
|
359 | # We need to pull these out, as passing **kwargs doesn't work with | |
360 | # unicode keys before Python 2.6.5. |
|
360 | # unicode keys before Python 2.6.5. | |
361 | hist_access_type = parent['content']['hist_access_type'] |
|
361 | hist_access_type = parent['content']['hist_access_type'] | |
362 | raw = parent['content']['raw'] |
|
362 | raw = parent['content']['raw'] | |
363 | output = parent['content']['output'] |
|
363 | output = parent['content']['output'] | |
364 | if hist_access_type == 'tail': |
|
364 | if hist_access_type == 'tail': | |
365 | n = parent['content']['n'] |
|
365 | n = parent['content']['n'] | |
366 | hist = self.shell.history_manager.get_tail(n, raw=raw, output=output, |
|
366 | hist = self.shell.history_manager.get_tail(n, raw=raw, output=output, | |
367 | include_latest=True) |
|
367 | include_latest=True) | |
368 |
|
368 | |||
369 | elif hist_access_type == 'range': |
|
369 | elif hist_access_type == 'range': | |
370 | session = parent['content']['session'] |
|
370 | session = parent['content']['session'] | |
371 | start = parent['content']['start'] |
|
371 | start = parent['content']['start'] | |
372 | stop = parent['content']['stop'] |
|
372 | stop = parent['content']['stop'] | |
373 | hist = self.shell.history_manager.get_range(session, start, stop, |
|
373 | hist = self.shell.history_manager.get_range(session, start, stop, | |
374 | raw=raw, output=output) |
|
374 | raw=raw, output=output) | |
375 |
|
375 | |||
376 | elif hist_access_type == 'search': |
|
376 | elif hist_access_type == 'search': | |
377 | pattern = parent['content']['pattern'] |
|
377 | pattern = parent['content']['pattern'] | |
378 | hist = self.shell.history_manager.search(pattern, raw=raw, output=output) |
|
378 | hist = self.shell.history_manager.search(pattern, raw=raw, output=output) | |
379 |
|
379 | |||
380 | else: |
|
380 | else: | |
381 | hist = [] |
|
381 | hist = [] | |
382 | content = {'history' : list(hist)} |
|
382 | content = {'history' : list(hist)} | |
383 | content = json_clean(content) |
|
383 | content = json_clean(content) | |
384 | msg = self.session.send(self.shell_socket, 'history_reply', |
|
384 | msg = self.session.send(self.shell_socket, 'history_reply', | |
385 | content, parent, ident) |
|
385 | content, parent, ident) | |
386 | self.log.debug(str(msg)) |
|
386 | self.log.debug(str(msg)) | |
387 |
|
387 | |||
388 | def connect_request(self, ident, parent): |
|
388 | def connect_request(self, ident, parent): | |
389 | if self._recorded_ports is not None: |
|
389 | if self._recorded_ports is not None: | |
390 | content = self._recorded_ports.copy() |
|
390 | content = self._recorded_ports.copy() | |
391 | else: |
|
391 | else: | |
392 | content = {} |
|
392 | content = {} | |
393 | msg = self.session.send(self.shell_socket, 'connect_reply', |
|
393 | msg = self.session.send(self.shell_socket, 'connect_reply', | |
394 | content, parent, ident) |
|
394 | content, parent, ident) | |
395 | self.log.debug(msg) |
|
395 | self.log.debug(msg) | |
396 |
|
396 | |||
397 | def shutdown_request(self, ident, parent): |
|
397 | def shutdown_request(self, ident, parent): | |
398 | self.shell.exit_now = True |
|
398 | self.shell.exit_now = True | |
399 | self._shutdown_message = self.session.msg(u'shutdown_reply', parent['content'], parent) |
|
399 | self._shutdown_message = self.session.msg(u'shutdown_reply', parent['content'], parent) | |
400 | sys.exit(0) |
|
400 | sys.exit(0) | |
401 |
|
401 | |||
402 | #--------------------------------------------------------------------------- |
|
402 | #--------------------------------------------------------------------------- | |
403 | # Protected interface |
|
403 | # Protected interface | |
404 | #--------------------------------------------------------------------------- |
|
404 | #--------------------------------------------------------------------------- | |
405 |
|
405 | |||
406 | def _abort_queue(self): |
|
406 | def _abort_queue(self): | |
407 | while True: |
|
407 | while True: | |
408 | try: |
|
408 | try: | |
409 | ident,msg = self.session.recv(self.shell_socket, zmq.NOBLOCK) |
|
409 | ident,msg = self.session.recv(self.shell_socket, zmq.NOBLOCK) | |
410 | except Exception: |
|
410 | except Exception: | |
411 | self.log.warn("Invalid Message:", exc_info=True) |
|
411 | self.log.warn("Invalid Message:", exc_info=True) | |
412 | continue |
|
412 | continue | |
413 | if msg is None: |
|
413 | if msg is None: | |
414 | break |
|
414 | break | |
415 | else: |
|
415 | else: | |
416 | assert ident is not None, \ |
|
416 | assert ident is not None, \ | |
417 | "Unexpected missing message part." |
|
417 | "Unexpected missing message part." | |
418 |
|
418 | |||
419 | self.log.debug("Aborting:\n"+str(Message(msg))) |
|
419 | self.log.debug("Aborting:\n"+str(Message(msg))) | |
420 | msg_type = msg['header']['msg_type'] |
|
420 | msg_type = msg['header']['msg_type'] | |
421 | reply_type = msg_type.split('_')[0] + '_reply' |
|
421 | reply_type = msg_type.split('_')[0] + '_reply' | |
422 | reply_msg = self.session.send(self.shell_socket, reply_type, |
|
422 | reply_msg = self.session.send(self.shell_socket, reply_type, | |
423 | {'status' : 'aborted'}, msg, ident=ident) |
|
423 | {'status' : 'aborted'}, msg, ident=ident) | |
424 | self.log.debug(reply_msg) |
|
424 | self.log.debug(reply_msg) | |
425 | # We need to wait a bit for requests to come in. This can probably |
|
425 | # We need to wait a bit for requests to come in. This can probably | |
426 | # be set shorter for true asynchronous clients. |
|
426 | # be set shorter for true asynchronous clients. | |
427 | time.sleep(0.1) |
|
427 | time.sleep(0.1) | |
428 |
|
428 | |||
429 | def _no_raw_input(self): |
|
429 | def _no_raw_input(self): | |
430 | """Raise StdinNotImplentedError if active frontend doesn't support stdin.""" |
|
430 | """Raise StdinNotImplentedError if active frontend doesn't support stdin.""" | |
431 | raise StdinNotImplementedError("raw_input was called, but this frontend does not support stdin.") |
|
431 | raise StdinNotImplementedError("raw_input was called, but this frontend does not support stdin.") | |
432 |
|
432 | |||
433 | def _raw_input(self, prompt, ident, parent): |
|
433 | def _raw_input(self, prompt, ident, parent): | |
434 | # Flush output before making the request. |
|
434 | # Flush output before making the request. | |
435 | sys.stderr.flush() |
|
435 | sys.stderr.flush() | |
436 | sys.stdout.flush() |
|
436 | sys.stdout.flush() | |
437 |
|
437 | |||
438 | # Send the input request. |
|
438 | # Send the input request. | |
439 | content = json_clean(dict(prompt=prompt)) |
|
439 | content = json_clean(dict(prompt=prompt)) | |
440 | msg = self.session.send(self.stdin_socket, u'input_request', content, parent, ident=ident) |
|
440 | msg = self.session.send(self.stdin_socket, u'input_request', content, parent, ident=ident) | |
441 |
|
441 | |||
442 | # Await a response. |
|
442 | # Await a response. | |
443 | while True: |
|
443 | while True: | |
444 | try: |
|
444 | try: | |
445 | ident, reply = self.session.recv(self.stdin_socket, 0) |
|
445 | ident, reply = self.session.recv(self.stdin_socket, 0) | |
446 | except Exception: |
|
446 | except Exception: | |
447 | self.log.warn("Invalid Message:", exc_info=True) |
|
447 | self.log.warn("Invalid Message:", exc_info=True) | |
448 | else: |
|
448 | else: | |
449 | break |
|
449 | break | |
450 | try: |
|
450 | try: | |
451 | value = reply['content']['value'] |
|
451 | value = reply['content']['value'] | |
452 | except: |
|
452 | except: | |
453 | self.log.error("Got bad raw_input reply: ") |
|
453 | self.log.error("Got bad raw_input reply: ") | |
454 | self.log.error(str(Message(parent))) |
|
454 | self.log.error(str(Message(parent))) | |
455 | value = '' |
|
455 | value = '' | |
456 | return value |
|
456 | return value | |
457 |
|
457 | |||
458 | def _complete(self, msg): |
|
458 | def _complete(self, msg): | |
459 | c = msg['content'] |
|
459 | c = msg['content'] | |
460 | try: |
|
460 | try: | |
461 | cpos = int(c['cursor_pos']) |
|
461 | cpos = int(c['cursor_pos']) | |
462 | except: |
|
462 | except: | |
463 | # If we don't get something that we can convert to an integer, at |
|
463 | # If we don't get something that we can convert to an integer, at | |
464 | # least attempt the completion guessing the cursor is at the end of |
|
464 | # least attempt the completion guessing the cursor is at the end of | |
465 | # the text, if there's any, and otherwise of the line |
|
465 | # the text, if there's any, and otherwise of the line | |
466 | cpos = len(c['text']) |
|
466 | cpos = len(c['text']) | |
467 | if cpos==0: |
|
467 | if cpos==0: | |
468 | cpos = len(c['line']) |
|
468 | cpos = len(c['line']) | |
469 | return self.shell.complete(c['text'], c['line'], cpos) |
|
469 | return self.shell.complete(c['text'], c['line'], cpos) | |
470 |
|
470 | |||
471 | def _object_info(self, context): |
|
471 | def _object_info(self, context): | |
472 | symbol, leftover = self._symbol_from_context(context) |
|
472 | symbol, leftover = self._symbol_from_context(context) | |
473 | if symbol is not None and not leftover: |
|
473 | if symbol is not None and not leftover: | |
474 | doc = getattr(symbol, '__doc__', '') |
|
474 | doc = getattr(symbol, '__doc__', '') | |
475 | else: |
|
475 | else: | |
476 | doc = '' |
|
476 | doc = '' | |
477 | object_info = dict(docstring = doc) |
|
477 | object_info = dict(docstring = doc) | |
478 | return object_info |
|
478 | return object_info | |
479 |
|
479 | |||
480 | def _symbol_from_context(self, context): |
|
480 | def _symbol_from_context(self, context): | |
481 | if not context: |
|
481 | if not context: | |
482 | return None, context |
|
482 | return None, context | |
483 |
|
483 | |||
484 | base_symbol_string = context[0] |
|
484 | base_symbol_string = context[0] | |
485 | symbol = self.shell.user_ns.get(base_symbol_string, None) |
|
485 | symbol = self.shell.user_ns.get(base_symbol_string, None) | |
486 | if symbol is None: |
|
486 | if symbol is None: | |
487 | symbol = __builtin__.__dict__.get(base_symbol_string, None) |
|
487 | symbol = __builtin__.__dict__.get(base_symbol_string, None) | |
488 | if symbol is None: |
|
488 | if symbol is None: | |
489 | return None, context |
|
489 | return None, context | |
490 |
|
490 | |||
491 | context = context[1:] |
|
491 | context = context[1:] | |
492 | for i, name in enumerate(context): |
|
492 | for i, name in enumerate(context): | |
493 | new_symbol = getattr(symbol, name, None) |
|
493 | new_symbol = getattr(symbol, name, None) | |
494 | if new_symbol is None: |
|
494 | if new_symbol is None: | |
495 | return symbol, context[i:] |
|
495 | return symbol, context[i:] | |
496 | else: |
|
496 | else: | |
497 | symbol = new_symbol |
|
497 | symbol = new_symbol | |
498 |
|
498 | |||
499 | return symbol, [] |
|
499 | return symbol, [] | |
500 |
|
500 | |||
501 | def _at_shutdown(self): |
|
501 | def _at_shutdown(self): | |
502 | """Actions taken at shutdown by the kernel, called by python's atexit. |
|
502 | """Actions taken at shutdown by the kernel, called by python's atexit. | |
503 | """ |
|
503 | """ | |
504 | # io.rprint("Kernel at_shutdown") # dbg |
|
504 | # io.rprint("Kernel at_shutdown") # dbg | |
505 | if self._shutdown_message is not None: |
|
505 | if self._shutdown_message is not None: | |
506 | self.session.send(self.shell_socket, self._shutdown_message) |
|
506 | self.session.send(self.shell_socket, self._shutdown_message) | |
507 | self.session.send(self.iopub_socket, self._shutdown_message) |
|
507 | self.session.send(self.iopub_socket, self._shutdown_message) | |
508 | self.log.debug(str(self._shutdown_message)) |
|
508 | self.log.debug(str(self._shutdown_message)) | |
509 | # A very short sleep to give zmq time to flush its message buffers |
|
509 | # A very short sleep to give zmq time to flush its message buffers | |
510 | # before Python truly shuts down. |
|
510 | # before Python truly shuts down. | |
511 | time.sleep(0.01) |
|
511 | time.sleep(0.01) | |
512 |
|
512 | |||
513 |
|
513 | |||
514 | #------------------------------------------------------------------------------ |
|
514 | #------------------------------------------------------------------------------ | |
515 | # Eventloops for integrating the Kernel into different GUIs |
|
515 | # Eventloops for integrating the Kernel into different GUIs | |
516 | #------------------------------------------------------------------------------ |
|
516 | #------------------------------------------------------------------------------ | |
517 |
|
517 | |||
518 |
|
518 | |||
519 | def loop_qt4(kernel): |
|
519 | def loop_qt4(kernel): | |
520 | """Start a kernel with PyQt4 event loop integration.""" |
|
520 | """Start a kernel with PyQt4 event loop integration.""" | |
521 |
|
521 | |||
522 | from IPython.external.qt_for_kernel import QtCore |
|
522 | from IPython.external.qt_for_kernel import QtCore | |
523 | from IPython.lib.guisupport import get_app_qt4, start_event_loop_qt4 |
|
523 | from IPython.lib.guisupport import get_app_qt4, start_event_loop_qt4 | |
524 |
|
524 | |||
525 | kernel.app = get_app_qt4([" "]) |
|
525 | kernel.app = get_app_qt4([" "]) | |
526 | kernel.app.setQuitOnLastWindowClosed(False) |
|
526 | kernel.app.setQuitOnLastWindowClosed(False) | |
527 | kernel.timer = QtCore.QTimer() |
|
527 | kernel.timer = QtCore.QTimer() | |
528 | kernel.timer.timeout.connect(kernel.do_one_iteration) |
|
528 | kernel.timer.timeout.connect(kernel.do_one_iteration) | |
529 | # Units for the timer are in milliseconds |
|
529 | # Units for the timer are in milliseconds | |
530 | kernel.timer.start(1000*kernel._poll_interval) |
|
530 | kernel.timer.start(1000*kernel._poll_interval) | |
531 | start_event_loop_qt4(kernel.app) |
|
531 | start_event_loop_qt4(kernel.app) | |
532 |
|
532 | |||
533 |
|
533 | |||
534 | def loop_wx(kernel): |
|
534 | def loop_wx(kernel): | |
535 | """Start a kernel with wx event loop support.""" |
|
535 | """Start a kernel with wx event loop support.""" | |
536 |
|
536 | |||
537 | import wx |
|
537 | import wx | |
538 | from IPython.lib.guisupport import start_event_loop_wx |
|
538 | from IPython.lib.guisupport import start_event_loop_wx | |
539 |
|
539 | |||
540 | doi = kernel.do_one_iteration |
|
540 | doi = kernel.do_one_iteration | |
541 | # Wx uses milliseconds |
|
541 | # Wx uses milliseconds | |
542 | poll_interval = int(1000*kernel._poll_interval) |
|
542 | poll_interval = int(1000*kernel._poll_interval) | |
543 |
|
543 | |||
544 | # We have to put the wx.Timer in a wx.Frame for it to fire properly. |
|
544 | # We have to put the wx.Timer in a wx.Frame for it to fire properly. | |
545 | # We make the Frame hidden when we create it in the main app below. |
|
545 | # We make the Frame hidden when we create it in the main app below. | |
546 | class TimerFrame(wx.Frame): |
|
546 | class TimerFrame(wx.Frame): | |
547 | def __init__(self, func): |
|
547 | def __init__(self, func): | |
548 | wx.Frame.__init__(self, None, -1) |
|
548 | wx.Frame.__init__(self, None, -1) | |
549 | self.timer = wx.Timer(self) |
|
549 | self.timer = wx.Timer(self) | |
550 | # Units for the timer are in milliseconds |
|
550 | # Units for the timer are in milliseconds | |
551 | self.timer.Start(poll_interval) |
|
551 | self.timer.Start(poll_interval) | |
552 | self.Bind(wx.EVT_TIMER, self.on_timer) |
|
552 | self.Bind(wx.EVT_TIMER, self.on_timer) | |
553 | self.func = func |
|
553 | self.func = func | |
554 |
|
554 | |||
555 | def on_timer(self, event): |
|
555 | def on_timer(self, event): | |
556 | self.func() |
|
556 | self.func() | |
557 |
|
557 | |||
558 | # We need a custom wx.App to create our Frame subclass that has the |
|
558 | # We need a custom wx.App to create our Frame subclass that has the | |
559 | # wx.Timer to drive the ZMQ event loop. |
|
559 | # wx.Timer to drive the ZMQ event loop. | |
560 | class IPWxApp(wx.App): |
|
560 | class IPWxApp(wx.App): | |
561 | def OnInit(self): |
|
561 | def OnInit(self): | |
562 | self.frame = TimerFrame(doi) |
|
562 | self.frame = TimerFrame(doi) | |
563 | self.frame.Show(False) |
|
563 | self.frame.Show(False) | |
564 | return True |
|
564 | return True | |
565 |
|
565 | |||
566 | # The redirect=False here makes sure that wx doesn't replace |
|
566 | # The redirect=False here makes sure that wx doesn't replace | |
567 | # sys.stdout/stderr with its own classes. |
|
567 | # sys.stdout/stderr with its own classes. | |
568 | kernel.app = IPWxApp(redirect=False) |
|
568 | kernel.app = IPWxApp(redirect=False) | |
569 | start_event_loop_wx(kernel.app) |
|
569 | start_event_loop_wx(kernel.app) | |
570 |
|
570 | |||
571 |
|
571 | |||
572 | def loop_tk(kernel): |
|
572 | def loop_tk(kernel): | |
573 | """Start a kernel with the Tk event loop.""" |
|
573 | """Start a kernel with the Tk event loop.""" | |
574 |
|
574 | |||
575 | import Tkinter |
|
575 | import Tkinter | |
576 | doi = kernel.do_one_iteration |
|
576 | doi = kernel.do_one_iteration | |
577 | # Tk uses milliseconds |
|
577 | # Tk uses milliseconds | |
578 | poll_interval = int(1000*kernel._poll_interval) |
|
578 | poll_interval = int(1000*kernel._poll_interval) | |
579 | # For Tkinter, we create a Tk object and call its withdraw method. |
|
579 | # For Tkinter, we create a Tk object and call its withdraw method. | |
580 | class Timer(object): |
|
580 | class Timer(object): | |
581 | def __init__(self, func): |
|
581 | def __init__(self, func): | |
582 | self.app = Tkinter.Tk() |
|
582 | self.app = Tkinter.Tk() | |
583 | self.app.withdraw() |
|
583 | self.app.withdraw() | |
584 | self.func = func |
|
584 | self.func = func | |
585 |
|
585 | |||
586 | def on_timer(self): |
|
586 | def on_timer(self): | |
587 | self.func() |
|
587 | self.func() | |
588 | self.app.after(poll_interval, self.on_timer) |
|
588 | self.app.after(poll_interval, self.on_timer) | |
589 |
|
589 | |||
590 | def start(self): |
|
590 | def start(self): | |
591 | self.on_timer() # Call it once to get things going. |
|
591 | self.on_timer() # Call it once to get things going. | |
592 | self.app.mainloop() |
|
592 | self.app.mainloop() | |
593 |
|
593 | |||
594 | kernel.timer = Timer(doi) |
|
594 | kernel.timer = Timer(doi) | |
595 | kernel.timer.start() |
|
595 | kernel.timer.start() | |
596 |
|
596 | |||
597 |
|
597 | |||
598 | def loop_gtk(kernel): |
|
598 | def loop_gtk(kernel): | |
599 | """Start the kernel, coordinating with the GTK event loop""" |
|
599 | """Start the kernel, coordinating with the GTK event loop""" | |
600 | from .gui.gtkembed import GTKEmbed |
|
600 | from .gui.gtkembed import GTKEmbed | |
601 |
|
601 | |||
602 | gtk_kernel = GTKEmbed(kernel) |
|
602 | gtk_kernel = GTKEmbed(kernel) | |
603 | gtk_kernel.start() |
|
603 | gtk_kernel.start() | |
604 |
|
604 | |||
605 |
|
605 | |||
606 | def loop_cocoa(kernel): |
|
606 | def loop_cocoa(kernel): | |
607 | """Start the kernel, coordinating with the Cocoa CFRunLoop event loop |
|
607 | """Start the kernel, coordinating with the Cocoa CFRunLoop event loop | |
608 | via the matplotlib MacOSX backend. |
|
608 | via the matplotlib MacOSX backend. | |
609 | """ |
|
609 | """ | |
610 | import matplotlib |
|
610 | import matplotlib | |
611 | if matplotlib.__version__ < '1.1.0': |
|
611 | if matplotlib.__version__ < '1.1.0': | |
612 | kernel.log.warn( |
|
612 | kernel.log.warn( | |
613 | "MacOSX backend in matplotlib %s doesn't have a Timer, " |
|
613 | "MacOSX backend in matplotlib %s doesn't have a Timer, " | |
614 | "falling back on Tk for CFRunLoop integration. Note that " |
|
614 | "falling back on Tk for CFRunLoop integration. Note that " | |
615 | "even this won't work if Tk is linked against X11 instead of " |
|
615 | "even this won't work if Tk is linked against X11 instead of " | |
616 | "Cocoa (e.g. EPD). To use the MacOSX backend in the kernel, " |
|
616 | "Cocoa (e.g. EPD). To use the MacOSX backend in the kernel, " | |
617 | "you must use matplotlib >= 1.1.0, or a native libtk." |
|
617 | "you must use matplotlib >= 1.1.0, or a native libtk." | |
618 | ) |
|
618 | ) | |
619 | return loop_tk(kernel) |
|
619 | return loop_tk(kernel) | |
620 |
|
620 | |||
621 | from matplotlib.backends.backend_macosx import TimerMac, show |
|
621 | from matplotlib.backends.backend_macosx import TimerMac, show | |
622 |
|
622 | |||
623 | # scale interval for sec->ms |
|
623 | # scale interval for sec->ms | |
624 | poll_interval = int(1000*kernel._poll_interval) |
|
624 | poll_interval = int(1000*kernel._poll_interval) | |
625 |
|
625 | |||
626 | real_excepthook = sys.excepthook |
|
626 | real_excepthook = sys.excepthook | |
627 | def handle_int(etype, value, tb): |
|
627 | def handle_int(etype, value, tb): | |
628 | """don't let KeyboardInterrupts look like crashes""" |
|
628 | """don't let KeyboardInterrupts look like crashes""" | |
629 | if etype is KeyboardInterrupt: |
|
629 | if etype is KeyboardInterrupt: | |
630 | io.raw_print("KeyboardInterrupt caught in CFRunLoop") |
|
630 | io.raw_print("KeyboardInterrupt caught in CFRunLoop") | |
631 | else: |
|
631 | else: | |
632 | real_excepthook(etype, value, tb) |
|
632 | real_excepthook(etype, value, tb) | |
633 |
|
633 | |||
634 | # add doi() as a Timer to the CFRunLoop |
|
634 | # add doi() as a Timer to the CFRunLoop | |
635 | def doi(): |
|
635 | def doi(): | |
636 | # restore excepthook during IPython code |
|
636 | # restore excepthook during IPython code | |
637 | sys.excepthook = real_excepthook |
|
637 | sys.excepthook = real_excepthook | |
638 | kernel.do_one_iteration() |
|
638 | kernel.do_one_iteration() | |
639 | # and back: |
|
639 | # and back: | |
640 | sys.excepthook = handle_int |
|
640 | sys.excepthook = handle_int | |
641 |
|
641 | |||
642 | t = TimerMac(poll_interval) |
|
642 | t = TimerMac(poll_interval) | |
643 | t.add_callback(doi) |
|
643 | t.add_callback(doi) | |
644 | t.start() |
|
644 | t.start() | |
645 |
|
645 | |||
646 | # but still need a Poller for when there are no active windows, |
|
646 | # but still need a Poller for when there are no active windows, | |
647 | # during which time mainloop() returns immediately |
|
647 | # during which time mainloop() returns immediately | |
648 | poller = zmq.Poller() |
|
648 | poller = zmq.Poller() | |
649 | poller.register(kernel.shell_socket, zmq.POLLIN) |
|
649 | poller.register(kernel.shell_socket, zmq.POLLIN) | |
650 |
|
650 | |||
651 | while True: |
|
651 | while True: | |
652 | try: |
|
652 | try: | |
653 | # double nested try/except, to properly catch KeyboardInterrupt |
|
653 | # double nested try/except, to properly catch KeyboardInterrupt | |
654 | # due to pyzmq Issue #130 |
|
654 | # due to pyzmq Issue #130 | |
655 | try: |
|
655 | try: | |
656 | # don't let interrupts during mainloop invoke crash_handler: |
|
656 | # don't let interrupts during mainloop invoke crash_handler: | |
657 | sys.excepthook = handle_int |
|
657 | sys.excepthook = handle_int | |
658 | show.mainloop() |
|
658 | show.mainloop() | |
659 | sys.excepthook = real_excepthook |
|
659 | sys.excepthook = real_excepthook | |
660 | # use poller if mainloop returned (no windows) |
|
660 | # use poller if mainloop returned (no windows) | |
661 | # scale by extra factor of 10, since it's a real poll |
|
661 | # scale by extra factor of 10, since it's a real poll | |
662 | poller.poll(10*poll_interval) |
|
662 | poller.poll(10*poll_interval) | |
663 | kernel.do_one_iteration() |
|
663 | kernel.do_one_iteration() | |
664 | except: |
|
664 | except: | |
665 | raise |
|
665 | raise | |
666 | except KeyboardInterrupt: |
|
666 | except KeyboardInterrupt: | |
667 | # Ctrl-C shouldn't crash the kernel |
|
667 | # Ctrl-C shouldn't crash the kernel | |
668 | io.raw_print("KeyboardInterrupt caught in kernel") |
|
668 | io.raw_print("KeyboardInterrupt caught in kernel") | |
669 | finally: |
|
669 | finally: | |
670 | # ensure excepthook is restored |
|
670 | # ensure excepthook is restored | |
671 | sys.excepthook = real_excepthook |
|
671 | sys.excepthook = real_excepthook | |
672 |
|
672 | |||
673 | # mapping of keys to loop functions |
|
673 | # mapping of keys to loop functions | |
674 | loop_map = { |
|
674 | loop_map = { | |
675 | 'qt' : loop_qt4, |
|
675 | 'qt' : loop_qt4, | |
676 | 'qt4': loop_qt4, |
|
676 | 'qt4': loop_qt4, | |
677 | 'inline': None, |
|
677 | 'inline': None, | |
678 | 'osx': loop_cocoa, |
|
678 | 'osx': loop_cocoa, | |
679 | 'wx' : loop_wx, |
|
679 | 'wx' : loop_wx, | |
680 | 'tk' : loop_tk, |
|
680 | 'tk' : loop_tk, | |
681 | 'gtk': loop_gtk, |
|
681 | 'gtk': loop_gtk, | |
682 | } |
|
682 | } | |
683 |
|
683 | |||
684 | def enable_gui(gui, kernel=None): |
|
684 | def enable_gui(gui, kernel=None): | |
685 | """Enable integration with a give GUI""" |
|
685 | """Enable integration with a give GUI""" | |
686 | if kernel is None: |
|
686 | if kernel is None: | |
687 | kernel = IPKernelApp.instance().kernel |
|
687 | kernel = IPKernelApp.instance().kernel | |
688 | if gui not in loop_map: |
|
688 | if gui not in loop_map: | |
689 | raise ValueError("GUI %r not supported" % gui) |
|
689 | raise ValueError("GUI %r not supported" % gui) | |
690 | loop = loop_map[gui] |
|
690 | loop = loop_map[gui] | |
691 | if kernel.eventloop is not None and kernel.eventloop is not loop: |
|
691 | if kernel.eventloop is not None and kernel.eventloop is not loop: | |
692 | raise RuntimeError("Cannot activate multiple GUI eventloops") |
|
692 | raise RuntimeError("Cannot activate multiple GUI eventloops") | |
693 | kernel.eventloop = loop |
|
693 | kernel.eventloop = loop | |
694 |
|
694 | |||
695 |
|
695 | |||
696 | #----------------------------------------------------------------------------- |
|
696 | #----------------------------------------------------------------------------- | |
697 | # Aliases and Flags for the IPKernelApp |
|
697 | # Aliases and Flags for the IPKernelApp | |
698 | #----------------------------------------------------------------------------- |
|
698 | #----------------------------------------------------------------------------- | |
699 |
|
699 | |||
700 | flags = dict(kernel_flags) |
|
700 | flags = dict(kernel_flags) | |
701 | flags.update(shell_flags) |
|
701 | flags.update(shell_flags) | |
702 |
|
702 | |||
703 | addflag = lambda *args: flags.update(boolean_flag(*args)) |
|
703 | addflag = lambda *args: flags.update(boolean_flag(*args)) | |
704 |
|
704 | |||
705 | flags['pylab'] = ( |
|
705 | flags['pylab'] = ( | |
706 | {'IPKernelApp' : {'pylab' : 'auto'}}, |
|
706 | {'IPKernelApp' : {'pylab' : 'auto'}}, | |
707 | """Pre-load matplotlib and numpy for interactive use with |
|
707 | """Pre-load matplotlib and numpy for interactive use with | |
708 | the default matplotlib backend.""" |
|
708 | the default matplotlib backend.""" | |
709 | ) |
|
709 | ) | |
710 |
|
710 | |||
711 | aliases = dict(kernel_aliases) |
|
711 | aliases = dict(kernel_aliases) | |
712 | aliases.update(shell_aliases) |
|
712 | aliases.update(shell_aliases) | |
713 |
|
713 | |||
714 | # it's possible we don't want short aliases for *all* of these: |
|
714 | # it's possible we don't want short aliases for *all* of these: | |
715 | aliases.update(dict( |
|
715 | aliases.update(dict( | |
716 | pylab='IPKernelApp.pylab', |
|
716 | pylab='IPKernelApp.pylab', | |
717 | )) |
|
717 | )) | |
718 |
|
718 | |||
719 | #----------------------------------------------------------------------------- |
|
719 | #----------------------------------------------------------------------------- | |
720 | # The IPKernelApp class |
|
720 | # The IPKernelApp class | |
721 | #----------------------------------------------------------------------------- |
|
721 | #----------------------------------------------------------------------------- | |
722 |
|
722 | |||
723 | class IPKernelApp(KernelApp, InteractiveShellApp): |
|
723 | class IPKernelApp(KernelApp, InteractiveShellApp): | |
724 | name = 'ipkernel' |
|
724 | name = 'ipkernel' | |
725 |
|
725 | |||
726 | aliases = Dict(aliases) |
|
726 | aliases = Dict(aliases) | |
727 | flags = Dict(flags) |
|
727 | flags = Dict(flags) | |
728 | classes = [Kernel, ZMQInteractiveShell, ProfileDir, Session] |
|
728 | classes = [Kernel, ZMQInteractiveShell, ProfileDir, Session] | |
729 | # configurables |
|
729 | # configurables | |
730 | pylab = CaselessStrEnum(['tk', 'qt', 'wx', 'gtk', 'osx', 'inline', 'auto'], |
|
730 | pylab = CaselessStrEnum(['tk', 'qt', 'wx', 'gtk', 'osx', 'inline', 'auto'], | |
731 | config=True, |
|
731 | config=True, | |
732 | help="""Pre-load matplotlib and numpy for interactive use, |
|
732 | help="""Pre-load matplotlib and numpy for interactive use, | |
733 | selecting a particular matplotlib backend and loop integration. |
|
733 | selecting a particular matplotlib backend and loop integration. | |
734 | """ |
|
734 | """ | |
735 | ) |
|
735 | ) | |
736 |
|
736 | |||
737 | @catch_config_error |
|
737 | @catch_config_error | |
738 | def initialize(self, argv=None): |
|
738 | def initialize(self, argv=None): | |
739 | super(IPKernelApp, self).initialize(argv) |
|
739 | super(IPKernelApp, self).initialize(argv) | |
740 | self.init_shell() |
|
740 | self.init_shell() | |
741 | self.init_extensions() |
|
741 | self.init_extensions() | |
742 | self.init_code() |
|
742 | self.init_code() | |
743 |
|
743 | |||
744 | def init_kernel(self): |
|
744 | def init_kernel(self): | |
745 |
|
745 | |||
746 | kernel = Kernel(config=self.config, session=self.session, |
|
746 | kernel = Kernel(config=self.config, session=self.session, | |
747 | shell_socket=self.shell_socket, |
|
747 | shell_socket=self.shell_socket, | |
748 | iopub_socket=self.iopub_socket, |
|
748 | iopub_socket=self.iopub_socket, | |
749 | stdin_socket=self.stdin_socket, |
|
749 | stdin_socket=self.stdin_socket, | |
750 | log=self.log, |
|
750 | log=self.log, | |
751 | profile_dir=self.profile_dir, |
|
751 | profile_dir=self.profile_dir, | |
752 | ) |
|
752 | ) | |
753 | self.kernel = kernel |
|
753 | self.kernel = kernel | |
754 | kernel.record_ports(self.ports) |
|
754 | kernel.record_ports(self.ports) | |
755 | shell = kernel.shell |
|
755 | shell = kernel.shell | |
756 | if self.pylab: |
|
756 | if self.pylab: | |
757 | try: |
|
757 | try: | |
758 | gui, backend = pylabtools.find_gui_and_backend(self.pylab) |
|
758 | gui, backend = pylabtools.find_gui_and_backend(self.pylab) | |
759 | shell.enable_pylab(gui, import_all=self.pylab_import_all) |
|
759 | shell.enable_pylab(gui, import_all=self.pylab_import_all) | |
760 | except Exception: |
|
760 | except Exception: | |
761 | self.log.error("Pylab initialization failed", exc_info=True) |
|
761 | self.log.error("Pylab initialization failed", exc_info=True) | |
762 | # print exception straight to stdout, because normally |
|
762 | # print exception straight to stdout, because normally | |
763 | # _showtraceback associates the reply with an execution, |
|
763 | # _showtraceback associates the reply with an execution, | |
764 | # which means frontends will never draw it, as this exception |
|
764 | # which means frontends will never draw it, as this exception | |
765 | # is not associated with any execute request. |
|
765 | # is not associated with any execute request. | |
766 |
|
766 | |||
767 | # replace pyerr-sending traceback with stdout |
|
767 | # replace pyerr-sending traceback with stdout | |
768 | _showtraceback = shell._showtraceback |
|
768 | _showtraceback = shell._showtraceback | |
769 | def print_tb(etype, evalue, stb): |
|
769 | def print_tb(etype, evalue, stb): | |
770 | print ("Error initializing pylab, pylab mode will not be active", file=io.stderr) |
|
770 | print ("Error initializing pylab, pylab mode will not be active", file=io.stderr) | |
771 | print (shell.InteractiveTB.stb2text(stb), file=io.stdout) |
|
771 | print (shell.InteractiveTB.stb2text(stb), file=io.stdout) | |
772 | shell._showtraceback = print_tb |
|
772 | shell._showtraceback = print_tb | |
773 |
|
773 | |||
774 | # send the traceback over stdout |
|
774 | # send the traceback over stdout | |
775 | shell.showtraceback(tb_offset=0) |
|
775 | shell.showtraceback(tb_offset=0) | |
776 |
|
776 | |||
777 | # restore proper _showtraceback method |
|
777 | # restore proper _showtraceback method | |
778 | shell._showtraceback = _showtraceback |
|
778 | shell._showtraceback = _showtraceback | |
779 |
|
779 | |||
780 |
|
780 | |||
781 | def init_shell(self): |
|
781 | def init_shell(self): | |
782 | self.shell = self.kernel.shell |
|
782 | self.shell = self.kernel.shell | |
|
783 | self.shell.configurables.append(self) | |||
783 |
|
784 | |||
784 |
|
785 | |||
785 | #----------------------------------------------------------------------------- |
|
786 | #----------------------------------------------------------------------------- | |
786 | # Kernel main and launch functions |
|
787 | # Kernel main and launch functions | |
787 | #----------------------------------------------------------------------------- |
|
788 | #----------------------------------------------------------------------------- | |
788 |
|
789 | |||
789 | def launch_kernel(*args, **kwargs): |
|
790 | def launch_kernel(*args, **kwargs): | |
790 | """Launches a localhost IPython kernel, binding to the specified ports. |
|
791 | """Launches a localhost IPython kernel, binding to the specified ports. | |
791 |
|
792 | |||
792 | This function simply calls entry_point.base_launch_kernel with the right first |
|
793 | This function simply calls entry_point.base_launch_kernel with the right first | |
793 | command to start an ipkernel. See base_launch_kernel for arguments. |
|
794 | command to start an ipkernel. See base_launch_kernel for arguments. | |
794 |
|
795 | |||
795 | Returns |
|
796 | Returns | |
796 | ------- |
|
797 | ------- | |
797 | A tuple of form: |
|
798 | A tuple of form: | |
798 | (kernel_process, shell_port, iopub_port, stdin_port, hb_port) |
|
799 | (kernel_process, shell_port, iopub_port, stdin_port, hb_port) | |
799 | where kernel_process is a Popen object and the ports are integers. |
|
800 | where kernel_process is a Popen object and the ports are integers. | |
800 | """ |
|
801 | """ | |
801 | return base_launch_kernel('from IPython.zmq.ipkernel import main; main()', |
|
802 | return base_launch_kernel('from IPython.zmq.ipkernel import main; main()', | |
802 | *args, **kwargs) |
|
803 | *args, **kwargs) | |
803 |
|
804 | |||
804 |
|
805 | |||
805 | def main(): |
|
806 | def main(): | |
806 | """Run an IPKernel as an application""" |
|
807 | """Run an IPKernel as an application""" | |
807 | app = IPKernelApp.instance() |
|
808 | app = IPKernelApp.instance() | |
808 | app.initialize() |
|
809 | app.initialize() | |
809 | app.start() |
|
810 | app.start() | |
810 |
|
811 | |||
811 |
|
812 | |||
812 | if __name__ == '__main__': |
|
813 | if __name__ == '__main__': | |
813 | main() |
|
814 | main() |
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