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1 | # -*- coding: utf-8 -*- |
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1 | # -*- coding: utf-8 -*- | |
2 | """IPython Shell classes. |
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2 | """IPython Shell classes. | |
3 |
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3 | |||
4 | All the matplotlib support code was co-developed with John Hunter, |
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4 | All the matplotlib support code was co-developed with John Hunter, | |
5 | matplotlib's author. |
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5 | matplotlib's author. | |
6 |
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6 | |||
7 | $Id: Shell.py 3024 2008-02-07 15:34:42Z darren.dale $""" |
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7 | $Id: Shell.py 3024 2008-02-07 15:34:42Z darren.dale $""" | |
8 |
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8 | |||
9 | #***************************************************************************** |
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9 | #***************************************************************************** | |
10 | # Copyright (C) 2001-2006 Fernando Perez <fperez@colorado.edu> |
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10 | # Copyright (C) 2001-2006 Fernando Perez <fperez@colorado.edu> | |
11 | # |
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11 | # | |
12 | # Distributed under the terms of the BSD License. The full license is in |
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12 | # Distributed under the terms of the BSD License. The full license is in | |
13 | # the file COPYING, distributed as part of this software. |
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13 | # the file COPYING, distributed as part of this software. | |
14 | #***************************************************************************** |
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14 | #***************************************************************************** | |
15 |
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15 | |||
16 | from IPython import Release |
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16 | from IPython import Release | |
17 | __author__ = '%s <%s>' % Release.authors['Fernando'] |
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17 | __author__ = '%s <%s>' % Release.authors['Fernando'] | |
18 | __license__ = Release.license |
|
18 | __license__ = Release.license | |
19 |
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19 | |||
20 | # Code begins |
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20 | # Code begins | |
21 | # Stdlib imports |
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21 | # Stdlib imports | |
22 | import __builtin__ |
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22 | import __builtin__ | |
23 | import __main__ |
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23 | import __main__ | |
24 | import Queue |
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24 | import Queue | |
25 | import inspect |
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25 | import inspect | |
26 | import os |
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26 | import os | |
27 | import sys |
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27 | import sys | |
28 | import thread |
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28 | import thread | |
29 | import threading |
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29 | import threading | |
30 | import time |
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30 | import time | |
31 |
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31 | |||
32 | from signal import signal, SIGINT |
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32 | from signal import signal, SIGINT | |
33 |
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33 | |||
34 | try: |
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34 | try: | |
35 | import ctypes |
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35 | import ctypes | |
36 | HAS_CTYPES = True |
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36 | HAS_CTYPES = True | |
37 | except ImportError: |
|
37 | except ImportError: | |
38 | HAS_CTYPES = False |
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38 | HAS_CTYPES = False | |
39 |
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39 | |||
40 | # IPython imports |
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40 | # IPython imports | |
41 | import IPython |
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41 | import IPython | |
42 | from IPython import ultraTB, ipapi |
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42 | from IPython import ultraTB, ipapi | |
43 | from IPython.genutils import Term,warn,error,flag_calls, ask_yes_no |
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43 | from IPython.genutils import Term,warn,error,flag_calls, ask_yes_no | |
44 | from IPython.iplib import InteractiveShell |
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44 | from IPython.iplib import InteractiveShell | |
45 | from IPython.ipmaker import make_IPython |
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45 | from IPython.ipmaker import make_IPython | |
46 | from IPython.Magic import Magic |
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46 | from IPython.Magic import Magic | |
47 | from IPython.ipstruct import Struct |
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47 | from IPython.ipstruct import Struct | |
48 |
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48 | |||
49 | try: # Python 2.3 compatibility |
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49 | try: # Python 2.3 compatibility | |
50 | set |
|
50 | set | |
51 | except NameError: |
|
51 | except NameError: | |
52 | import sets |
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52 | import sets | |
53 | set = sets.Set |
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53 | set = sets.Set | |
54 |
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54 | |||
55 |
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55 | |||
56 | # Globals |
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56 | # Globals | |
57 | # global flag to pass around information about Ctrl-C without exceptions |
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57 | # global flag to pass around information about Ctrl-C without exceptions | |
58 | KBINT = False |
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58 | KBINT = False | |
59 |
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59 | |||
60 | # global flag to turn on/off Tk support. |
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60 | # global flag to turn on/off Tk support. | |
61 | USE_TK = False |
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61 | USE_TK = False | |
62 |
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62 | |||
63 | # ID for the main thread, used for cross-thread exceptions |
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63 | # ID for the main thread, used for cross-thread exceptions | |
64 | MAIN_THREAD_ID = thread.get_ident() |
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64 | MAIN_THREAD_ID = thread.get_ident() | |
65 |
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65 | |||
66 | # Tag when runcode() is active, for exception handling |
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66 | # Tag when runcode() is active, for exception handling | |
67 | CODE_RUN = None |
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67 | CODE_RUN = None | |
68 |
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68 | |||
69 | #----------------------------------------------------------------------------- |
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69 | #----------------------------------------------------------------------------- | |
70 | # This class is trivial now, but I want to have it in to publish a clean |
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70 | # This class is trivial now, but I want to have it in to publish a clean | |
71 | # interface. Later when the internals are reorganized, code that uses this |
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71 | # interface. Later when the internals are reorganized, code that uses this | |
72 | # shouldn't have to change. |
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72 | # shouldn't have to change. | |
73 |
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73 | |||
74 | class IPShell: |
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74 | class IPShell: | |
75 | """Create an IPython instance.""" |
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75 | """Create an IPython instance.""" | |
76 |
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76 | |||
77 | def __init__(self,argv=None,user_ns=None,user_global_ns=None, |
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77 | def __init__(self,argv=None,user_ns=None,user_global_ns=None, | |
78 | debug=1,shell_class=InteractiveShell): |
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78 | debug=1,shell_class=InteractiveShell): | |
79 | self.IP = make_IPython(argv,user_ns=user_ns, |
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79 | self.IP = make_IPython(argv,user_ns=user_ns, | |
80 | user_global_ns=user_global_ns, |
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80 | user_global_ns=user_global_ns, | |
81 | debug=debug,shell_class=shell_class) |
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81 | debug=debug,shell_class=shell_class) | |
82 |
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82 | |||
83 | def mainloop(self,sys_exit=0,banner=None): |
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83 | def mainloop(self,sys_exit=0,banner=None): | |
84 | self.IP.mainloop(banner) |
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84 | self.IP.mainloop(banner) | |
85 | if sys_exit: |
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85 | if sys_exit: | |
86 | sys.exit() |
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86 | sys.exit() | |
87 |
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87 | |||
88 | #----------------------------------------------------------------------------- |
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88 | #----------------------------------------------------------------------------- | |
89 | def kill_embedded(self,parameter_s=''): |
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89 | def kill_embedded(self,parameter_s=''): | |
90 | """%kill_embedded : deactivate for good the current embedded IPython. |
|
90 | """%kill_embedded : deactivate for good the current embedded IPython. | |
91 |
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91 | |||
92 | This function (after asking for confirmation) sets an internal flag so that |
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92 | This function (after asking for confirmation) sets an internal flag so that | |
93 | an embedded IPython will never activate again. This is useful to |
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93 | an embedded IPython will never activate again. This is useful to | |
94 | permanently disable a shell that is being called inside a loop: once you've |
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94 | permanently disable a shell that is being called inside a loop: once you've | |
95 | figured out what you needed from it, you may then kill it and the program |
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95 | figured out what you needed from it, you may then kill it and the program | |
96 | will then continue to run without the interactive shell interfering again. |
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96 | will then continue to run without the interactive shell interfering again. | |
97 | """ |
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97 | """ | |
98 |
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98 | |||
99 | kill = ask_yes_no("Are you sure you want to kill this embedded instance " |
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99 | kill = ask_yes_no("Are you sure you want to kill this embedded instance " | |
100 | "(y/n)? [y/N] ",'n') |
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100 | "(y/n)? [y/N] ",'n') | |
101 | if kill: |
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101 | if kill: | |
102 | self.shell.embedded_active = False |
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102 | self.shell.embedded_active = False | |
103 | print "This embedded IPython will not reactivate anymore once you exit." |
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103 | print "This embedded IPython will not reactivate anymore once you exit." | |
104 |
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104 | |||
105 | class IPShellEmbed: |
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105 | class IPShellEmbed: | |
106 | """Allow embedding an IPython shell into a running program. |
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106 | """Allow embedding an IPython shell into a running program. | |
107 |
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107 | |||
108 | Instances of this class are callable, with the __call__ method being an |
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108 | Instances of this class are callable, with the __call__ method being an | |
109 | alias to the embed() method of an InteractiveShell instance. |
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109 | alias to the embed() method of an InteractiveShell instance. | |
110 |
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110 | |||
111 | Usage (see also the example-embed.py file for a running example): |
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111 | Usage (see also the example-embed.py file for a running example): | |
112 |
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112 | |||
113 | ipshell = IPShellEmbed([argv,banner,exit_msg,rc_override]) |
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113 | ipshell = IPShellEmbed([argv,banner,exit_msg,rc_override]) | |
114 |
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114 | |||
115 | - argv: list containing valid command-line options for IPython, as they |
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115 | - argv: list containing valid command-line options for IPython, as they | |
116 | would appear in sys.argv[1:]. |
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116 | would appear in sys.argv[1:]. | |
117 |
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117 | |||
118 | For example, the following command-line options: |
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118 | For example, the following command-line options: | |
119 |
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119 | |||
120 | $ ipython -prompt_in1 'Input <\\#>' -colors LightBG |
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120 | $ ipython -prompt_in1 'Input <\\#>' -colors LightBG | |
121 |
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121 | |||
122 | would be passed in the argv list as: |
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122 | would be passed in the argv list as: | |
123 |
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123 | |||
124 | ['-prompt_in1','Input <\\#>','-colors','LightBG'] |
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124 | ['-prompt_in1','Input <\\#>','-colors','LightBG'] | |
125 |
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125 | |||
126 | - banner: string which gets printed every time the interpreter starts. |
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126 | - banner: string which gets printed every time the interpreter starts. | |
127 |
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127 | |||
128 | - exit_msg: string which gets printed every time the interpreter exits. |
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128 | - exit_msg: string which gets printed every time the interpreter exits. | |
129 |
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129 | |||
130 | - rc_override: a dict or Struct of configuration options such as those |
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130 | - rc_override: a dict or Struct of configuration options such as those | |
131 | used by IPython. These options are read from your ~/.ipython/ipythonrc |
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131 | used by IPython. These options are read from your ~/.ipython/ipythonrc | |
132 | file when the Shell object is created. Passing an explicit rc_override |
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132 | file when the Shell object is created. Passing an explicit rc_override | |
133 | dict with any options you want allows you to override those values at |
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133 | dict with any options you want allows you to override those values at | |
134 | creation time without having to modify the file. This way you can create |
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134 | creation time without having to modify the file. This way you can create | |
135 | embeddable instances configured in any way you want without editing any |
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135 | embeddable instances configured in any way you want without editing any | |
136 | global files (thus keeping your interactive IPython configuration |
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136 | global files (thus keeping your interactive IPython configuration | |
137 | unchanged). |
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137 | unchanged). | |
138 |
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138 | |||
139 | Then the ipshell instance can be called anywhere inside your code: |
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139 | Then the ipshell instance can be called anywhere inside your code: | |
140 |
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140 | |||
141 | ipshell(header='') -> Opens up an IPython shell. |
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141 | ipshell(header='') -> Opens up an IPython shell. | |
142 |
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142 | |||
143 | - header: string printed by the IPython shell upon startup. This can let |
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143 | - header: string printed by the IPython shell upon startup. This can let | |
144 | you know where in your code you are when dropping into the shell. Note |
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144 | you know where in your code you are when dropping into the shell. Note | |
145 | that 'banner' gets prepended to all calls, so header is used for |
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145 | that 'banner' gets prepended to all calls, so header is used for | |
146 | location-specific information. |
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146 | location-specific information. | |
147 |
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147 | |||
148 | For more details, see the __call__ method below. |
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148 | For more details, see the __call__ method below. | |
149 |
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149 | |||
150 | When the IPython shell is exited with Ctrl-D, normal program execution |
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150 | When the IPython shell is exited with Ctrl-D, normal program execution | |
151 | resumes. |
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151 | resumes. | |
152 |
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152 | |||
153 | This functionality was inspired by a posting on comp.lang.python by cmkl |
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153 | This functionality was inspired by a posting on comp.lang.python by cmkl | |
154 | <cmkleffner@gmx.de> on Dec. 06/01 concerning similar uses of pyrepl, and |
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154 | <cmkleffner@gmx.de> on Dec. 06/01 concerning similar uses of pyrepl, and | |
155 | by the IDL stop/continue commands.""" |
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155 | by the IDL stop/continue commands.""" | |
156 |
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156 | |||
157 | def __init__(self,argv=None,banner='',exit_msg=None,rc_override=None, |
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157 | def __init__(self,argv=None,banner='',exit_msg=None,rc_override=None, | |
158 | user_ns=None): |
|
158 | user_ns=None): | |
159 | """Note that argv here is a string, NOT a list.""" |
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159 | """Note that argv here is a string, NOT a list.""" | |
160 | self.set_banner(banner) |
|
160 | self.set_banner(banner) | |
161 | self.set_exit_msg(exit_msg) |
|
161 | self.set_exit_msg(exit_msg) | |
162 | self.set_dummy_mode(0) |
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162 | self.set_dummy_mode(0) | |
163 |
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163 | |||
164 | # sys.displayhook is a global, we need to save the user's original |
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164 | # sys.displayhook is a global, we need to save the user's original | |
165 | # Don't rely on __displayhook__, as the user may have changed that. |
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165 | # Don't rely on __displayhook__, as the user may have changed that. | |
166 | self.sys_displayhook_ori = sys.displayhook |
|
166 | self.sys_displayhook_ori = sys.displayhook | |
167 |
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167 | |||
168 | # save readline completer status |
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168 | # save readline completer status | |
169 | try: |
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169 | try: | |
170 | #print 'Save completer',sys.ipcompleter # dbg |
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170 | #print 'Save completer',sys.ipcompleter # dbg | |
171 | self.sys_ipcompleter_ori = sys.ipcompleter |
|
171 | self.sys_ipcompleter_ori = sys.ipcompleter | |
172 | except: |
|
172 | except: | |
173 | pass # not nested with IPython |
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173 | pass # not nested with IPython | |
174 |
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174 | |||
175 | self.IP = make_IPython(argv,rc_override=rc_override, |
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175 | self.IP = make_IPython(argv,rc_override=rc_override, | |
176 | embedded=True, |
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176 | embedded=True, | |
177 | user_ns=user_ns) |
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177 | user_ns=user_ns) | |
178 |
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178 | |||
179 | ip = ipapi.IPApi(self.IP) |
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179 | ip = ipapi.IPApi(self.IP) | |
180 | ip.expose_magic("kill_embedded",kill_embedded) |
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180 | ip.expose_magic("kill_embedded",kill_embedded) | |
181 |
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181 | |||
182 | # copy our own displayhook also |
|
182 | # copy our own displayhook also | |
183 | self.sys_displayhook_embed = sys.displayhook |
|
183 | self.sys_displayhook_embed = sys.displayhook | |
184 | # and leave the system's display hook clean |
|
184 | # and leave the system's display hook clean | |
185 | sys.displayhook = self.sys_displayhook_ori |
|
185 | sys.displayhook = self.sys_displayhook_ori | |
186 | # don't use the ipython crash handler so that user exceptions aren't |
|
186 | # don't use the ipython crash handler so that user exceptions aren't | |
187 | # trapped |
|
187 | # trapped | |
188 | sys.excepthook = ultraTB.FormattedTB(color_scheme = self.IP.rc.colors, |
|
188 | sys.excepthook = ultraTB.FormattedTB(color_scheme = self.IP.rc.colors, | |
189 | mode = self.IP.rc.xmode, |
|
189 | mode = self.IP.rc.xmode, | |
190 | call_pdb = self.IP.rc.pdb) |
|
190 | call_pdb = self.IP.rc.pdb) | |
191 | self.restore_system_completer() |
|
191 | self.restore_system_completer() | |
192 |
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192 | |||
193 | def restore_system_completer(self): |
|
193 | def restore_system_completer(self): | |
194 | """Restores the readline completer which was in place. |
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194 | """Restores the readline completer which was in place. | |
195 |
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195 | |||
196 | This allows embedded IPython within IPython not to disrupt the |
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196 | This allows embedded IPython within IPython not to disrupt the | |
197 | parent's completion. |
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197 | parent's completion. | |
198 | """ |
|
198 | """ | |
199 |
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199 | |||
200 | try: |
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200 | try: | |
201 | self.IP.readline.set_completer(self.sys_ipcompleter_ori) |
|
201 | self.IP.readline.set_completer(self.sys_ipcompleter_ori) | |
202 | sys.ipcompleter = self.sys_ipcompleter_ori |
|
202 | sys.ipcompleter = self.sys_ipcompleter_ori | |
203 | except: |
|
203 | except: | |
204 | pass |
|
204 | pass | |
205 |
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205 | |||
206 | def __call__(self,header='',local_ns=None,global_ns=None,dummy=None): |
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206 | def __call__(self,header='',local_ns=None,global_ns=None,dummy=None): | |
207 | """Activate the interactive interpreter. |
|
207 | """Activate the interactive interpreter. | |
208 |
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208 | |||
209 | __call__(self,header='',local_ns=None,global_ns,dummy=None) -> Start |
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209 | __call__(self,header='',local_ns=None,global_ns,dummy=None) -> Start | |
210 | the interpreter shell with the given local and global namespaces, and |
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210 | the interpreter shell with the given local and global namespaces, and | |
211 | optionally print a header string at startup. |
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211 | optionally print a header string at startup. | |
212 |
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212 | |||
213 | The shell can be globally activated/deactivated using the |
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213 | The shell can be globally activated/deactivated using the | |
214 | set/get_dummy_mode methods. This allows you to turn off a shell used |
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214 | set/get_dummy_mode methods. This allows you to turn off a shell used | |
215 | for debugging globally. |
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215 | for debugging globally. | |
216 |
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216 | |||
217 | However, *each* time you call the shell you can override the current |
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217 | However, *each* time you call the shell you can override the current | |
218 | state of dummy_mode with the optional keyword parameter 'dummy'. For |
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218 | state of dummy_mode with the optional keyword parameter 'dummy'. For | |
219 | example, if you set dummy mode on with IPShell.set_dummy_mode(1), you |
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219 | example, if you set dummy mode on with IPShell.set_dummy_mode(1), you | |
220 | can still have a specific call work by making it as IPShell(dummy=0). |
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220 | can still have a specific call work by making it as IPShell(dummy=0). | |
221 |
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221 | |||
222 | The optional keyword parameter dummy controls whether the call |
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222 | The optional keyword parameter dummy controls whether the call | |
223 | actually does anything. """ |
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223 | actually does anything. """ | |
224 |
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224 | |||
225 | # If the user has turned it off, go away |
|
225 | # If the user has turned it off, go away | |
226 | if not self.IP.embedded_active: |
|
226 | if not self.IP.embedded_active: | |
227 | return |
|
227 | return | |
228 |
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228 | |||
229 | # Normal exits from interactive mode set this flag, so the shell can't |
|
229 | # Normal exits from interactive mode set this flag, so the shell can't | |
230 | # re-enter (it checks this variable at the start of interactive mode). |
|
230 | # re-enter (it checks this variable at the start of interactive mode). | |
231 | self.IP.exit_now = False |
|
231 | self.IP.exit_now = False | |
232 |
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232 | |||
233 | # Allow the dummy parameter to override the global __dummy_mode |
|
233 | # Allow the dummy parameter to override the global __dummy_mode | |
234 | if dummy or (dummy != 0 and self.__dummy_mode): |
|
234 | if dummy or (dummy != 0 and self.__dummy_mode): | |
235 | return |
|
235 | return | |
236 |
|
236 | |||
237 | # Set global subsystems (display,completions) to our values |
|
237 | # Set global subsystems (display,completions) to our values | |
238 | sys.displayhook = self.sys_displayhook_embed |
|
238 | sys.displayhook = self.sys_displayhook_embed | |
239 | if self.IP.has_readline: |
|
239 | if self.IP.has_readline: | |
240 | self.IP.set_completer() |
|
240 | self.IP.set_completer() | |
241 |
|
241 | |||
242 | if self.banner and header: |
|
242 | if self.banner and header: | |
243 | format = '%s\n%s\n' |
|
243 | format = '%s\n%s\n' | |
244 | else: |
|
244 | else: | |
245 | format = '%s%s\n' |
|
245 | format = '%s%s\n' | |
246 | banner = format % (self.banner,header) |
|
246 | banner = format % (self.banner,header) | |
247 |
|
247 | |||
248 | # Call the embedding code with a stack depth of 1 so it can skip over |
|
248 | # Call the embedding code with a stack depth of 1 so it can skip over | |
249 | # our call and get the original caller's namespaces. |
|
249 | # our call and get the original caller's namespaces. | |
250 | self.IP.embed_mainloop(banner,local_ns,global_ns,stack_depth=1) |
|
250 | self.IP.embed_mainloop(banner,local_ns,global_ns,stack_depth=1) | |
251 |
|
251 | |||
252 | if self.exit_msg: |
|
252 | if self.exit_msg: | |
253 | print self.exit_msg |
|
253 | print self.exit_msg | |
254 |
|
254 | |||
255 | # Restore global systems (display, completion) |
|
255 | # Restore global systems (display, completion) | |
256 | sys.displayhook = self.sys_displayhook_ori |
|
256 | sys.displayhook = self.sys_displayhook_ori | |
257 | self.restore_system_completer() |
|
257 | self.restore_system_completer() | |
258 |
|
258 | |||
259 | def set_dummy_mode(self,dummy): |
|
259 | def set_dummy_mode(self,dummy): | |
260 | """Sets the embeddable shell's dummy mode parameter. |
|
260 | """Sets the embeddable shell's dummy mode parameter. | |
261 |
|
261 | |||
262 | set_dummy_mode(dummy): dummy = 0 or 1. |
|
262 | set_dummy_mode(dummy): dummy = 0 or 1. | |
263 |
|
263 | |||
264 | This parameter is persistent and makes calls to the embeddable shell |
|
264 | This parameter is persistent and makes calls to the embeddable shell | |
265 | silently return without performing any action. This allows you to |
|
265 | silently return without performing any action. This allows you to | |
266 | globally activate or deactivate a shell you're using with a single call. |
|
266 | globally activate or deactivate a shell you're using with a single call. | |
267 |
|
267 | |||
268 | If you need to manually""" |
|
268 | If you need to manually""" | |
269 |
|
269 | |||
270 | if dummy not in [0,1,False,True]: |
|
270 | if dummy not in [0,1,False,True]: | |
271 | raise ValueError,'dummy parameter must be boolean' |
|
271 | raise ValueError,'dummy parameter must be boolean' | |
272 | self.__dummy_mode = dummy |
|
272 | self.__dummy_mode = dummy | |
273 |
|
273 | |||
274 | def get_dummy_mode(self): |
|
274 | def get_dummy_mode(self): | |
275 | """Return the current value of the dummy mode parameter. |
|
275 | """Return the current value of the dummy mode parameter. | |
276 | """ |
|
276 | """ | |
277 | return self.__dummy_mode |
|
277 | return self.__dummy_mode | |
278 |
|
278 | |||
279 | def set_banner(self,banner): |
|
279 | def set_banner(self,banner): | |
280 | """Sets the global banner. |
|
280 | """Sets the global banner. | |
281 |
|
281 | |||
282 | This banner gets prepended to every header printed when the shell |
|
282 | This banner gets prepended to every header printed when the shell | |
283 | instance is called.""" |
|
283 | instance is called.""" | |
284 |
|
284 | |||
285 | self.banner = banner |
|
285 | self.banner = banner | |
286 |
|
286 | |||
287 | def set_exit_msg(self,exit_msg): |
|
287 | def set_exit_msg(self,exit_msg): | |
288 | """Sets the global exit_msg. |
|
288 | """Sets the global exit_msg. | |
289 |
|
289 | |||
290 | This exit message gets printed upon exiting every time the embedded |
|
290 | This exit message gets printed upon exiting every time the embedded | |
291 | shell is called. It is None by default. """ |
|
291 | shell is called. It is None by default. """ | |
292 |
|
292 | |||
293 | self.exit_msg = exit_msg |
|
293 | self.exit_msg = exit_msg | |
294 |
|
294 | |||
295 | #----------------------------------------------------------------------------- |
|
295 | #----------------------------------------------------------------------------- | |
296 | if HAS_CTYPES: |
|
296 | if HAS_CTYPES: | |
297 | # Add async exception support. Trick taken from: |
|
297 | # Add async exception support. Trick taken from: | |
298 | # http://sebulba.wikispaces.com/recipe+thread2 |
|
298 | # http://sebulba.wikispaces.com/recipe+thread2 | |
299 | def _async_raise(tid, exctype): |
|
299 | def _async_raise(tid, exctype): | |
300 | """raises the exception, performs cleanup if needed""" |
|
300 | """raises the exception, performs cleanup if needed""" | |
301 | if not inspect.isclass(exctype): |
|
301 | if not inspect.isclass(exctype): | |
302 | raise TypeError("Only types can be raised (not instances)") |
|
302 | raise TypeError("Only types can be raised (not instances)") | |
303 | res = ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, |
|
303 | res = ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, | |
304 | ctypes.py_object(exctype)) |
|
304 | ctypes.py_object(exctype)) | |
305 | if res == 0: |
|
305 | if res == 0: | |
306 | raise ValueError("invalid thread id") |
|
306 | raise ValueError("invalid thread id") | |
307 | elif res != 1: |
|
307 | elif res != 1: | |
308 | # """if it returns a number greater than one, you're in trouble, |
|
308 | # """if it returns a number greater than one, you're in trouble, | |
309 | # and you should call it again with exc=NULL to revert the effect""" |
|
309 | # and you should call it again with exc=NULL to revert the effect""" | |
310 | ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, 0) |
|
310 | ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, 0) | |
311 | raise SystemError("PyThreadState_SetAsyncExc failed") |
|
311 | raise SystemError("PyThreadState_SetAsyncExc failed") | |
312 |
|
312 | |||
313 | def sigint_handler (signum,stack_frame): |
|
313 | def sigint_handler (signum,stack_frame): | |
314 | """Sigint handler for threaded apps. |
|
314 | """Sigint handler for threaded apps. | |
315 |
|
315 | |||
316 | This is a horrible hack to pass information about SIGINT _without_ |
|
316 | This is a horrible hack to pass information about SIGINT _without_ | |
317 | using exceptions, since I haven't been able to properly manage |
|
317 | using exceptions, since I haven't been able to properly manage | |
318 | cross-thread exceptions in GTK/WX. In fact, I don't think it can be |
|
318 | cross-thread exceptions in GTK/WX. In fact, I don't think it can be | |
319 | done (or at least that's my understanding from a c.l.py thread where |
|
319 | done (or at least that's my understanding from a c.l.py thread where | |
320 | this was discussed).""" |
|
320 | this was discussed).""" | |
321 |
|
321 | |||
322 | global KBINT |
|
322 | global KBINT | |
323 |
|
323 | |||
324 | if CODE_RUN: |
|
324 | if CODE_RUN: | |
325 | _async_raise(MAIN_THREAD_ID,KeyboardInterrupt) |
|
325 | _async_raise(MAIN_THREAD_ID,KeyboardInterrupt) | |
326 | else: |
|
326 | else: | |
327 | KBINT = True |
|
327 | KBINT = True | |
328 | print '\nKeyboardInterrupt - Press <Enter> to continue.', |
|
328 | print '\nKeyboardInterrupt - Press <Enter> to continue.', | |
329 | Term.cout.flush() |
|
329 | Term.cout.flush() | |
330 |
|
330 | |||
331 | else: |
|
331 | else: | |
332 | def sigint_handler (signum,stack_frame): |
|
332 | def sigint_handler (signum,stack_frame): | |
333 | """Sigint handler for threaded apps. |
|
333 | """Sigint handler for threaded apps. | |
334 |
|
334 | |||
335 | This is a horrible hack to pass information about SIGINT _without_ |
|
335 | This is a horrible hack to pass information about SIGINT _without_ | |
336 | using exceptions, since I haven't been able to properly manage |
|
336 | using exceptions, since I haven't been able to properly manage | |
337 | cross-thread exceptions in GTK/WX. In fact, I don't think it can be |
|
337 | cross-thread exceptions in GTK/WX. In fact, I don't think it can be | |
338 | done (or at least that's my understanding from a c.l.py thread where |
|
338 | done (or at least that's my understanding from a c.l.py thread where | |
339 | this was discussed).""" |
|
339 | this was discussed).""" | |
340 |
|
340 | |||
341 | global KBINT |
|
341 | global KBINT | |
342 |
|
342 | |||
343 | print '\nKeyboardInterrupt - Press <Enter> to continue.', |
|
343 | print '\nKeyboardInterrupt - Press <Enter> to continue.', | |
344 | Term.cout.flush() |
|
344 | Term.cout.flush() | |
345 | # Set global flag so that runsource can know that Ctrl-C was hit |
|
345 | # Set global flag so that runsource can know that Ctrl-C was hit | |
346 | KBINT = True |
|
346 | KBINT = True | |
347 |
|
347 | |||
348 |
|
348 | |||
349 | class MTInteractiveShell(InteractiveShell): |
|
349 | class MTInteractiveShell(InteractiveShell): | |
350 | """Simple multi-threaded shell.""" |
|
350 | """Simple multi-threaded shell.""" | |
351 |
|
351 | |||
352 | # Threading strategy taken from: |
|
352 | # Threading strategy taken from: | |
353 | # http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/65109, by Brian |
|
353 | # http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/65109, by Brian | |
354 | # McErlean and John Finlay. Modified with corrections by Antoon Pardon, |
|
354 | # McErlean and John Finlay. Modified with corrections by Antoon Pardon, | |
355 | # from the pygtk mailing list, to avoid lockups with system calls. |
|
355 | # from the pygtk mailing list, to avoid lockups with system calls. | |
356 |
|
356 | |||
357 | # class attribute to indicate whether the class supports threads or not. |
|
357 | # class attribute to indicate whether the class supports threads or not. | |
358 | # Subclasses with thread support should override this as needed. |
|
358 | # Subclasses with thread support should override this as needed. | |
359 | isthreaded = True |
|
359 | isthreaded = True | |
360 |
|
360 | |||
361 | def __init__(self,name,usage=None,rc=Struct(opts=None,args=None), |
|
361 | def __init__(self,name,usage=None,rc=Struct(opts=None,args=None), | |
362 | user_ns=None,user_global_ns=None,banner2='',**kw): |
|
362 | user_ns=None,user_global_ns=None,banner2='',**kw): | |
363 | """Similar to the normal InteractiveShell, but with threading control""" |
|
363 | """Similar to the normal InteractiveShell, but with threading control""" | |
364 |
|
364 | |||
365 | InteractiveShell.__init__(self,name,usage,rc,user_ns, |
|
365 | InteractiveShell.__init__(self,name,usage,rc,user_ns, | |
366 | user_global_ns,banner2) |
|
366 | user_global_ns,banner2) | |
367 |
|
367 | |||
368 |
|
368 | |||
369 | # A queue to hold the code to be executed. |
|
369 | # A queue to hold the code to be executed. | |
370 | self.code_queue = Queue.Queue() |
|
370 | self.code_queue = Queue.Queue() | |
371 |
|
371 | |||
372 | # Stuff to do at closing time |
|
372 | # Stuff to do at closing time | |
373 | self._kill = None |
|
373 | self._kill = None | |
374 | on_kill = kw.get('on_kill', []) |
|
374 | on_kill = kw.get('on_kill', []) | |
375 | # Check that all things to kill are callable: |
|
375 | # Check that all things to kill are callable: | |
376 | for t in on_kill: |
|
376 | for t in on_kill: | |
377 | if not callable(t): |
|
377 | if not callable(t): | |
378 | raise TypeError,'on_kill must be a list of callables' |
|
378 | raise TypeError,'on_kill must be a list of callables' | |
379 | self.on_kill = on_kill |
|
379 | self.on_kill = on_kill | |
380 | # thread identity of the "worker thread" (that may execute code directly) |
|
380 | # thread identity of the "worker thread" (that may execute code directly) | |
381 | self.worker_ident = None |
|
381 | self.worker_ident = None | |
382 |
|
382 | |||
383 | def runsource(self, source, filename="<input>", symbol="single"): |
|
383 | def runsource(self, source, filename="<input>", symbol="single"): | |
384 | """Compile and run some source in the interpreter. |
|
384 | """Compile and run some source in the interpreter. | |
385 |
|
385 | |||
386 | Modified version of code.py's runsource(), to handle threading issues. |
|
386 | Modified version of code.py's runsource(), to handle threading issues. | |
387 | See the original for full docstring details.""" |
|
387 | See the original for full docstring details.""" | |
388 |
|
388 | |||
389 | global KBINT |
|
389 | global KBINT | |
390 |
|
390 | |||
391 | # If Ctrl-C was typed, we reset the flag and return right away |
|
391 | # If Ctrl-C was typed, we reset the flag and return right away | |
392 | if KBINT: |
|
392 | if KBINT: | |
393 | KBINT = False |
|
393 | KBINT = False | |
394 | return False |
|
394 | return False | |
395 |
|
395 | |||
396 | if self._kill: |
|
396 | if self._kill: | |
397 | # can't queue new code if we are being killed |
|
397 | # can't queue new code if we are being killed | |
398 | return True |
|
398 | return True | |
399 |
|
399 | |||
400 | try: |
|
400 | try: | |
401 | code = self.compile(source, filename, symbol) |
|
401 | code = self.compile(source, filename, symbol) | |
402 | except (OverflowError, SyntaxError, ValueError): |
|
402 | except (OverflowError, SyntaxError, ValueError): | |
403 | # Case 1 |
|
403 | # Case 1 | |
404 | self.showsyntaxerror(filename) |
|
404 | self.showsyntaxerror(filename) | |
405 | return False |
|
405 | return False | |
406 |
|
406 | |||
407 | if code is None: |
|
407 | if code is None: | |
408 | # Case 2 |
|
408 | # Case 2 | |
409 | return True |
|
409 | return True | |
410 |
|
410 | |||
411 | # shortcut - if we are in worker thread, or the worker thread is not running, |
|
411 | # shortcut - if we are in worker thread, or the worker thread is not running, | |
412 | # execute directly (to allow recursion and prevent deadlock if code is run early |
|
412 | # execute directly (to allow recursion and prevent deadlock if code is run early | |
413 | # in IPython construction) |
|
413 | # in IPython construction) | |
414 |
|
414 | |||
415 | if (self.worker_ident is None or self.worker_ident == thread.get_ident()): |
|
415 | if (self.worker_ident is None or self.worker_ident == thread.get_ident()): | |
416 | InteractiveShell.runcode(self,code) |
|
416 | InteractiveShell.runcode(self,code) | |
417 | return |
|
417 | return | |
418 |
|
418 | |||
419 | # Case 3 |
|
419 | # Case 3 | |
420 | # Store code in queue, so the execution thread can handle it. |
|
420 | # Store code in queue, so the execution thread can handle it. | |
421 |
|
421 | |||
422 | completed_ev, received_ev = threading.Event(), threading.Event() |
|
422 | completed_ev, received_ev = threading.Event(), threading.Event() | |
423 |
|
423 | |||
424 | self.code_queue.put((code,completed_ev, received_ev)) |
|
424 | self.code_queue.put((code,completed_ev, received_ev)) | |
425 | # first make sure the message was received, with timeout |
|
425 | # first make sure the message was received, with timeout | |
426 | received_ev.wait(5) |
|
426 | received_ev.wait(5) | |
427 | if not received_ev.isSet(): |
|
427 | if not received_ev.isSet(): | |
428 | # the mainloop is dead, start executing code directly |
|
428 | # the mainloop is dead, start executing code directly | |
429 | print "Warning: Timeout for mainloop thread exceeded" |
|
429 | print "Warning: Timeout for mainloop thread exceeded" | |
430 | print "switching to nonthreaded mode (until mainloop wakes up again)" |
|
430 | print "switching to nonthreaded mode (until mainloop wakes up again)" | |
431 | self.worker_ident = None |
|
431 | self.worker_ident = None | |
432 | else: |
|
432 | else: | |
433 | completed_ev.wait() |
|
433 | completed_ev.wait() | |
434 | return False |
|
434 | return False | |
435 |
|
435 | |||
436 | def runcode(self): |
|
436 | def runcode(self): | |
437 | """Execute a code object. |
|
437 | """Execute a code object. | |
438 |
|
438 | |||
439 | Multithreaded wrapper around IPython's runcode().""" |
|
439 | Multithreaded wrapper around IPython's runcode().""" | |
440 |
|
440 | |||
441 | global CODE_RUN |
|
441 | global CODE_RUN | |
442 |
|
442 | |||
443 | # we are in worker thread, stash out the id for runsource() |
|
443 | # we are in worker thread, stash out the id for runsource() | |
444 | self.worker_ident = thread.get_ident() |
|
444 | self.worker_ident = thread.get_ident() | |
445 |
|
445 | |||
446 | if self._kill: |
|
446 | if self._kill: | |
447 | print >>Term.cout, 'Closing threads...', |
|
447 | print >>Term.cout, 'Closing threads...', | |
448 | Term.cout.flush() |
|
448 | Term.cout.flush() | |
449 | for tokill in self.on_kill: |
|
449 | for tokill in self.on_kill: | |
450 | tokill() |
|
450 | tokill() | |
451 | print >>Term.cout, 'Done.' |
|
451 | print >>Term.cout, 'Done.' | |
452 | # allow kill() to return |
|
452 | # allow kill() to return | |
453 | self._kill.set() |
|
453 | self._kill.set() | |
454 | return True |
|
454 | return True | |
455 |
|
455 | |||
456 | # Install sigint handler. We do it every time to ensure that if user |
|
456 | # Install sigint handler. We do it every time to ensure that if user | |
457 | # code modifies it, we restore our own handling. |
|
457 | # code modifies it, we restore our own handling. | |
458 | try: |
|
458 | try: | |
459 | signal(SIGINT,sigint_handler) |
|
459 | signal(SIGINT,sigint_handler) | |
460 | except SystemError: |
|
460 | except SystemError: | |
461 | # This happens under Windows, which seems to have all sorts |
|
461 | # This happens under Windows, which seems to have all sorts | |
462 | # of problems with signal handling. Oh well... |
|
462 | # of problems with signal handling. Oh well... | |
463 | pass |
|
463 | pass | |
464 |
|
464 | |||
465 | # Flush queue of pending code by calling the run methood of the parent |
|
465 | # Flush queue of pending code by calling the run methood of the parent | |
466 | # class with all items which may be in the queue. |
|
466 | # class with all items which may be in the queue. | |
467 | code_to_run = None |
|
467 | code_to_run = None | |
468 | while 1: |
|
468 | while 1: | |
469 | try: |
|
469 | try: | |
470 | code_to_run, completed_ev, received_ev = self.code_queue.get_nowait() |
|
470 | code_to_run, completed_ev, received_ev = self.code_queue.get_nowait() | |
471 | except Queue.Empty: |
|
471 | except Queue.Empty: | |
472 | break |
|
472 | break | |
473 | received_ev.set() |
|
473 | received_ev.set() | |
474 |
|
474 | |||
475 | # Exceptions need to be raised differently depending on which |
|
475 | # Exceptions need to be raised differently depending on which | |
476 | # thread is active. This convoluted try/except is only there to |
|
476 | # thread is active. This convoluted try/except is only there to | |
477 | # protect against asynchronous exceptions, to ensure that a KBINT |
|
477 | # protect against asynchronous exceptions, to ensure that a KBINT | |
478 | # at the wrong time doesn't deadlock everything. The global |
|
478 | # at the wrong time doesn't deadlock everything. The global | |
479 | # CODE_TO_RUN is set to true/false as close as possible to the |
|
479 | # CODE_TO_RUN is set to true/false as close as possible to the | |
480 | # runcode() call, so that the KBINT handler is correctly informed. |
|
480 | # runcode() call, so that the KBINT handler is correctly informed. | |
481 | try: |
|
481 | try: | |
482 | try: |
|
482 | try: | |
483 | CODE_RUN = True |
|
483 | CODE_RUN = True | |
484 | InteractiveShell.runcode(self,code_to_run) |
|
484 | InteractiveShell.runcode(self,code_to_run) | |
485 | except KeyboardInterrupt: |
|
485 | except KeyboardInterrupt: | |
486 | print "Keyboard interrupted in mainloop" |
|
486 | print "Keyboard interrupted in mainloop" | |
487 | while not self.code_queue.empty(): |
|
487 | while not self.code_queue.empty(): | |
488 | code, ev1,ev2 = self.code_queue.get_nowait() |
|
488 | code, ev1,ev2 = self.code_queue.get_nowait() | |
489 | ev1.set() |
|
489 | ev1.set() | |
490 | ev2.set() |
|
490 | ev2.set() | |
491 | break |
|
491 | break | |
492 | finally: |
|
492 | finally: | |
493 | CODE_RUN = False |
|
493 | CODE_RUN = False | |
494 | # allow runsource() return from wait |
|
494 | # allow runsource() return from wait | |
495 | completed_ev.set() |
|
495 | completed_ev.set() | |
496 |
|
496 | |||
497 |
|
497 | |||
498 | # This MUST return true for gtk threading to work |
|
498 | # This MUST return true for gtk threading to work | |
499 | return True |
|
499 | return True | |
500 |
|
500 | |||
501 | def kill(self): |
|
501 | def kill(self): | |
502 | """Kill the thread, returning when it has been shut down.""" |
|
502 | """Kill the thread, returning when it has been shut down.""" | |
503 | self._kill = threading.Event() |
|
503 | self._kill = threading.Event() | |
504 | self._kill.wait() |
|
504 | self._kill.wait() | |
505 |
|
505 | |||
506 | class MatplotlibShellBase: |
|
506 | class MatplotlibShellBase: | |
507 | """Mixin class to provide the necessary modifications to regular IPython |
|
507 | """Mixin class to provide the necessary modifications to regular IPython | |
508 | shell classes for matplotlib support. |
|
508 | shell classes for matplotlib support. | |
509 |
|
509 | |||
510 | Given Python's MRO, this should be used as the FIRST class in the |
|
510 | Given Python's MRO, this should be used as the FIRST class in the | |
511 | inheritance hierarchy, so that it overrides the relevant methods.""" |
|
511 | inheritance hierarchy, so that it overrides the relevant methods.""" | |
512 |
|
512 | |||
513 | def _matplotlib_config(self,name,user_ns): |
|
513 | def _matplotlib_config(self,name,user_ns): | |
514 | """Return items needed to setup the user's shell with matplotlib""" |
|
514 | """Return items needed to setup the user's shell with matplotlib""" | |
515 |
|
515 | |||
516 | # Initialize matplotlib to interactive mode always |
|
516 | # Initialize matplotlib to interactive mode always | |
517 | import matplotlib |
|
517 | import matplotlib | |
518 | from matplotlib import backends |
|
518 | from matplotlib import backends | |
519 | matplotlib.interactive(True) |
|
519 | matplotlib.interactive(True) | |
520 |
|
520 | |||
521 | def use(arg): |
|
521 | def use(arg): | |
522 | """IPython wrapper for matplotlib's backend switcher. |
|
522 | """IPython wrapper for matplotlib's backend switcher. | |
523 |
|
523 | |||
524 | In interactive use, we can not allow switching to a different |
|
524 | In interactive use, we can not allow switching to a different | |
525 | interactive backend, since thread conflicts will most likely crash |
|
525 | interactive backend, since thread conflicts will most likely crash | |
526 | the python interpreter. This routine does a safety check first, |
|
526 | the python interpreter. This routine does a safety check first, | |
527 | and refuses to perform a dangerous switch. It still allows |
|
527 | and refuses to perform a dangerous switch. It still allows | |
528 | switching to non-interactive backends.""" |
|
528 | switching to non-interactive backends.""" | |
529 |
|
529 | |||
530 | if arg in backends.interactive_bk and arg != self.mpl_backend: |
|
530 | if arg in backends.interactive_bk and arg != self.mpl_backend: | |
531 | m=('invalid matplotlib backend switch.\n' |
|
531 | m=('invalid matplotlib backend switch.\n' | |
532 | 'This script attempted to switch to the interactive ' |
|
532 | 'This script attempted to switch to the interactive ' | |
533 | 'backend: `%s`\n' |
|
533 | 'backend: `%s`\n' | |
534 | 'Your current choice of interactive backend is: `%s`\n\n' |
|
534 | 'Your current choice of interactive backend is: `%s`\n\n' | |
535 | 'Switching interactive matplotlib backends at runtime\n' |
|
535 | 'Switching interactive matplotlib backends at runtime\n' | |
536 | 'would crash the python interpreter, ' |
|
536 | 'would crash the python interpreter, ' | |
537 | 'and IPython has blocked it.\n\n' |
|
537 | 'and IPython has blocked it.\n\n' | |
538 | 'You need to either change your choice of matplotlib backend\n' |
|
538 | 'You need to either change your choice of matplotlib backend\n' | |
539 | 'by editing your .matplotlibrc file, or run this script as a \n' |
|
539 | 'by editing your .matplotlibrc file, or run this script as a \n' | |
540 | 'standalone file from the command line, not using IPython.\n' % |
|
540 | 'standalone file from the command line, not using IPython.\n' % | |
541 | (arg,self.mpl_backend) ) |
|
541 | (arg,self.mpl_backend) ) | |
542 | raise RuntimeError, m |
|
542 | raise RuntimeError, m | |
543 | else: |
|
543 | else: | |
544 | self.mpl_use(arg) |
|
544 | self.mpl_use(arg) | |
545 | self.mpl_use._called = True |
|
545 | self.mpl_use._called = True | |
546 |
|
546 | |||
547 | self.matplotlib = matplotlib |
|
547 | self.matplotlib = matplotlib | |
548 | self.mpl_backend = matplotlib.rcParams['backend'] |
|
548 | self.mpl_backend = matplotlib.rcParams['backend'] | |
549 |
|
549 | |||
550 | # we also need to block switching of interactive backends by use() |
|
550 | # we also need to block switching of interactive backends by use() | |
551 | self.mpl_use = matplotlib.use |
|
551 | self.mpl_use = matplotlib.use | |
552 | self.mpl_use._called = False |
|
552 | self.mpl_use._called = False | |
553 | # overwrite the original matplotlib.use with our wrapper |
|
553 | # overwrite the original matplotlib.use with our wrapper | |
554 | matplotlib.use = use |
|
554 | matplotlib.use = use | |
555 |
|
555 | |||
556 | # This must be imported last in the matplotlib series, after |
|
556 | # This must be imported last in the matplotlib series, after | |
557 | # backend/interactivity choices have been made |
|
557 | # backend/interactivity choices have been made | |
558 | import matplotlib.pylab as pylab |
|
558 | import matplotlib.pylab as pylab | |
559 | self.pylab = pylab |
|
559 | self.pylab = pylab | |
560 |
|
560 | |||
561 | self.pylab.show._needmain = False |
|
561 | self.pylab.show._needmain = False | |
562 | # We need to detect at runtime whether show() is called by the user. |
|
562 | # We need to detect at runtime whether show() is called by the user. | |
563 | # For this, we wrap it into a decorator which adds a 'called' flag. |
|
563 | # For this, we wrap it into a decorator which adds a 'called' flag. | |
564 | self.pylab.draw_if_interactive = flag_calls(self.pylab.draw_if_interactive) |
|
564 | self.pylab.draw_if_interactive = flag_calls(self.pylab.draw_if_interactive) | |
565 |
|
565 | |||
566 | # Build a user namespace initialized with matplotlib/matlab features. |
|
566 | # Build a user namespace initialized with matplotlib/matlab features. | |
567 | user_ns = IPython.ipapi.make_user_ns(user_ns) |
|
567 | user_ns = IPython.ipapi.make_user_ns(user_ns) | |
568 |
|
568 | |||
569 | exec ("import matplotlib\n" |
|
569 | exec ("import matplotlib\n" | |
570 | "import matplotlib.pylab as pylab\n") in user_ns |
|
570 | "import matplotlib.pylab as pylab\n") in user_ns | |
571 |
|
571 | |||
572 | # Build matplotlib info banner |
|
572 | # Build matplotlib info banner | |
573 | b=""" |
|
573 | b=""" | |
574 | Welcome to pylab, a matplotlib-based Python environment. |
|
574 | Welcome to pylab, a matplotlib-based Python environment. | |
575 | For more information, type 'help(pylab)'. |
|
575 | For more information, type 'help(pylab)'. | |
576 | """ |
|
576 | """ | |
577 | return user_ns,b |
|
577 | return user_ns,b | |
578 |
|
578 | |||
579 | def mplot_exec(self,fname,*where,**kw): |
|
579 | def mplot_exec(self,fname,*where,**kw): | |
580 | """Execute a matplotlib script. |
|
580 | """Execute a matplotlib script. | |
581 |
|
581 | |||
582 | This is a call to execfile(), but wrapped in safeties to properly |
|
582 | This is a call to execfile(), but wrapped in safeties to properly | |
583 | handle interactive rendering and backend switching.""" |
|
583 | handle interactive rendering and backend switching.""" | |
584 |
|
584 | |||
585 | #print '*** Matplotlib runner ***' # dbg |
|
585 | #print '*** Matplotlib runner ***' # dbg | |
586 | # turn off rendering until end of script |
|
586 | # turn off rendering until end of script | |
587 | isInteractive = self.matplotlib.rcParams['interactive'] |
|
587 | isInteractive = self.matplotlib.rcParams['interactive'] | |
588 | self.matplotlib.interactive(False) |
|
588 | self.matplotlib.interactive(False) | |
589 | self.safe_execfile(fname,*where,**kw) |
|
589 | self.safe_execfile(fname,*where,**kw) | |
590 | self.matplotlib.interactive(isInteractive) |
|
590 | self.matplotlib.interactive(isInteractive) | |
591 | # make rendering call now, if the user tried to do it |
|
591 | # make rendering call now, if the user tried to do it | |
592 | if self.pylab.draw_if_interactive.called: |
|
592 | if self.pylab.draw_if_interactive.called: | |
593 | self.pylab.draw() |
|
593 | self.pylab.draw() | |
594 | self.pylab.draw_if_interactive.called = False |
|
594 | self.pylab.draw_if_interactive.called = False | |
595 |
|
595 | |||
596 | # if a backend switch was performed, reverse it now |
|
596 | # if a backend switch was performed, reverse it now | |
597 | if self.mpl_use._called: |
|
597 | if self.mpl_use._called: | |
598 | self.matplotlib.rcParams['backend'] = self.mpl_backend |
|
598 | self.matplotlib.rcParams['backend'] = self.mpl_backend | |
599 |
|
599 | |||
600 | def magic_run(self,parameter_s=''): |
|
600 | def magic_run(self,parameter_s=''): | |
601 | Magic.magic_run(self,parameter_s,runner=self.mplot_exec) |
|
601 | Magic.magic_run(self,parameter_s,runner=self.mplot_exec) | |
602 |
|
602 | |||
603 | # Fix the docstring so users see the original as well |
|
603 | # Fix the docstring so users see the original as well | |
604 | magic_run.__doc__ = "%s\n%s" % (Magic.magic_run.__doc__, |
|
604 | magic_run.__doc__ = "%s\n%s" % (Magic.magic_run.__doc__, | |
605 | "\n *** Modified %run for Matplotlib," |
|
605 | "\n *** Modified %run for Matplotlib," | |
606 | " with proper interactive handling ***") |
|
606 | " with proper interactive handling ***") | |
607 |
|
607 | |||
608 | # Now we provide 2 versions of a matplotlib-aware IPython base shells, single |
|
608 | # Now we provide 2 versions of a matplotlib-aware IPython base shells, single | |
609 | # and multithreaded. Note that these are meant for internal use, the IPShell* |
|
609 | # and multithreaded. Note that these are meant for internal use, the IPShell* | |
610 | # classes below are the ones meant for public consumption. |
|
610 | # classes below are the ones meant for public consumption. | |
611 |
|
611 | |||
612 | class MatplotlibShell(MatplotlibShellBase,InteractiveShell): |
|
612 | class MatplotlibShell(MatplotlibShellBase,InteractiveShell): | |
613 | """Single-threaded shell with matplotlib support.""" |
|
613 | """Single-threaded shell with matplotlib support.""" | |
614 |
|
614 | |||
615 | def __init__(self,name,usage=None,rc=Struct(opts=None,args=None), |
|
615 | def __init__(self,name,usage=None,rc=Struct(opts=None,args=None), | |
616 | user_ns=None,user_global_ns=None,**kw): |
|
616 | user_ns=None,user_global_ns=None,**kw): | |
617 | user_ns,b2 = self._matplotlib_config(name,user_ns) |
|
617 | user_ns,b2 = self._matplotlib_config(name,user_ns) | |
618 | InteractiveShell.__init__(self,name,usage,rc,user_ns,user_global_ns, |
|
618 | InteractiveShell.__init__(self,name,usage,rc,user_ns,user_global_ns, | |
619 | banner2=b2,**kw) |
|
619 | banner2=b2,**kw) | |
620 |
|
620 | |||
621 | class MatplotlibMTShell(MatplotlibShellBase,MTInteractiveShell): |
|
621 | class MatplotlibMTShell(MatplotlibShellBase,MTInteractiveShell): | |
622 | """Multi-threaded shell with matplotlib support.""" |
|
622 | """Multi-threaded shell with matplotlib support.""" | |
623 |
|
623 | |||
624 | def __init__(self,name,usage=None,rc=Struct(opts=None,args=None), |
|
624 | def __init__(self,name,usage=None,rc=Struct(opts=None,args=None), | |
625 | user_ns=None,user_global_ns=None, **kw): |
|
625 | user_ns=None,user_global_ns=None, **kw): | |
626 | user_ns,b2 = self._matplotlib_config(name,user_ns) |
|
626 | user_ns,b2 = self._matplotlib_config(name,user_ns) | |
627 | MTInteractiveShell.__init__(self,name,usage,rc,user_ns,user_global_ns, |
|
627 | MTInteractiveShell.__init__(self,name,usage,rc,user_ns,user_global_ns, | |
628 | banner2=b2,**kw) |
|
628 | banner2=b2,**kw) | |
629 |
|
629 | |||
630 | #----------------------------------------------------------------------------- |
|
630 | #----------------------------------------------------------------------------- | |
631 | # Utility functions for the different GUI enabled IPShell* classes. |
|
631 | # Utility functions for the different GUI enabled IPShell* classes. | |
632 |
|
632 | |||
633 | def get_tk(): |
|
633 | def get_tk(): | |
634 | """Tries to import Tkinter and returns a withdrawn Tkinter root |
|
634 | """Tries to import Tkinter and returns a withdrawn Tkinter root | |
635 | window. If Tkinter is already imported or not available, this |
|
635 | window. If Tkinter is already imported or not available, this | |
636 | returns None. This function calls `hijack_tk` underneath. |
|
636 | returns None. This function calls `hijack_tk` underneath. | |
637 | """ |
|
637 | """ | |
638 | if not USE_TK or sys.modules.has_key('Tkinter'): |
|
638 | if not USE_TK or sys.modules.has_key('Tkinter'): | |
639 | return None |
|
639 | return None | |
640 | else: |
|
640 | else: | |
641 | try: |
|
641 | try: | |
642 | import Tkinter |
|
642 | import Tkinter | |
643 | except ImportError: |
|
643 | except ImportError: | |
644 | return None |
|
644 | return None | |
645 | else: |
|
645 | else: | |
646 | hijack_tk() |
|
646 | hijack_tk() | |
647 | r = Tkinter.Tk() |
|
647 | r = Tkinter.Tk() | |
648 | r.withdraw() |
|
648 | r.withdraw() | |
649 | return r |
|
649 | return r | |
650 |
|
650 | |||
651 | def hijack_tk(): |
|
651 | def hijack_tk(): | |
652 | """Modifies Tkinter's mainloop with a dummy so when a module calls |
|
652 | """Modifies Tkinter's mainloop with a dummy so when a module calls | |
653 | mainloop, it does not block. |
|
653 | mainloop, it does not block. | |
654 |
|
654 | |||
655 | """ |
|
655 | """ | |
656 | def misc_mainloop(self, n=0): |
|
656 | def misc_mainloop(self, n=0): | |
657 | pass |
|
657 | pass | |
658 | def tkinter_mainloop(n=0): |
|
658 | def tkinter_mainloop(n=0): | |
659 | pass |
|
659 | pass | |
660 |
|
660 | |||
661 | import Tkinter |
|
661 | import Tkinter | |
662 | Tkinter.Misc.mainloop = misc_mainloop |
|
662 | Tkinter.Misc.mainloop = misc_mainloop | |
663 | Tkinter.mainloop = tkinter_mainloop |
|
663 | Tkinter.mainloop = tkinter_mainloop | |
664 |
|
664 | |||
665 | def update_tk(tk): |
|
665 | def update_tk(tk): | |
666 | """Updates the Tkinter event loop. This is typically called from |
|
666 | """Updates the Tkinter event loop. This is typically called from | |
667 | the respective WX or GTK mainloops. |
|
667 | the respective WX or GTK mainloops. | |
668 | """ |
|
668 | """ | |
669 | if tk: |
|
669 | if tk: | |
670 | tk.update() |
|
670 | tk.update() | |
671 |
|
671 | |||
672 | def hijack_wx(): |
|
672 | def hijack_wx(): | |
673 | """Modifies wxPython's MainLoop with a dummy so user code does not |
|
673 | """Modifies wxPython's MainLoop with a dummy so user code does not | |
674 | block IPython. The hijacked mainloop function is returned. |
|
674 | block IPython. The hijacked mainloop function is returned. | |
675 | """ |
|
675 | """ | |
676 | def dummy_mainloop(*args, **kw): |
|
676 | def dummy_mainloop(*args, **kw): | |
677 | pass |
|
677 | pass | |
678 |
|
678 | |||
679 | try: |
|
679 | try: | |
680 | import wx |
|
680 | import wx | |
681 | except ImportError: |
|
681 | except ImportError: | |
682 | # For very old versions of WX |
|
682 | # For very old versions of WX | |
683 | import wxPython as wx |
|
683 | import wxPython as wx | |
684 |
|
684 | |||
685 | ver = wx.__version__ |
|
685 | ver = wx.__version__ | |
686 | orig_mainloop = None |
|
686 | orig_mainloop = None | |
687 | if ver[:3] >= '2.5': |
|
687 | if ver[:3] >= '2.5': | |
688 | import wx |
|
688 | import wx | |
689 | if hasattr(wx, '_core_'): core = getattr(wx, '_core_') |
|
689 | if hasattr(wx, '_core_'): core = getattr(wx, '_core_') | |
690 | elif hasattr(wx, '_core'): core = getattr(wx, '_core') |
|
690 | elif hasattr(wx, '_core'): core = getattr(wx, '_core') | |
691 | else: raise AttributeError('Could not find wx core module') |
|
691 | else: raise AttributeError('Could not find wx core module') | |
692 | orig_mainloop = core.PyApp_MainLoop |
|
692 | orig_mainloop = core.PyApp_MainLoop | |
693 | core.PyApp_MainLoop = dummy_mainloop |
|
693 | core.PyApp_MainLoop = dummy_mainloop | |
694 | elif ver[:3] == '2.4': |
|
694 | elif ver[:3] == '2.4': | |
695 | orig_mainloop = wx.wxc.wxPyApp_MainLoop |
|
695 | orig_mainloop = wx.wxc.wxPyApp_MainLoop | |
696 | wx.wxc.wxPyApp_MainLoop = dummy_mainloop |
|
696 | wx.wxc.wxPyApp_MainLoop = dummy_mainloop | |
697 | else: |
|
697 | else: | |
698 | warn("Unable to find either wxPython version 2.4 or >= 2.5.") |
|
698 | warn("Unable to find either wxPython version 2.4 or >= 2.5.") | |
699 | return orig_mainloop |
|
699 | return orig_mainloop | |
700 |
|
700 | |||
701 | def hijack_gtk(): |
|
701 | def hijack_gtk(): | |
702 | """Modifies pyGTK's mainloop with a dummy so user code does not |
|
702 | """Modifies pyGTK's mainloop with a dummy so user code does not | |
703 | block IPython. This function returns the original `gtk.mainloop` |
|
703 | block IPython. This function returns the original `gtk.mainloop` | |
704 | function that has been hijacked. |
|
704 | function that has been hijacked. | |
705 | """ |
|
705 | """ | |
706 | def dummy_mainloop(*args, **kw): |
|
706 | def dummy_mainloop(*args, **kw): | |
707 | pass |
|
707 | pass | |
708 | import gtk |
|
708 | import gtk | |
709 | if gtk.pygtk_version >= (2,4,0): orig_mainloop = gtk.main |
|
709 | if gtk.pygtk_version >= (2,4,0): orig_mainloop = gtk.main | |
710 | else: orig_mainloop = gtk.mainloop |
|
710 | else: orig_mainloop = gtk.mainloop | |
711 | gtk.mainloop = dummy_mainloop |
|
711 | gtk.mainloop = dummy_mainloop | |
712 | gtk.main = dummy_mainloop |
|
712 | gtk.main = dummy_mainloop | |
713 | return orig_mainloop |
|
713 | return orig_mainloop | |
714 |
|
714 | |||
715 | def hijack_qt(): |
|
715 | def hijack_qt(): | |
716 | """Modifies PyQt's mainloop with a dummy so user code does not |
|
716 | """Modifies PyQt's mainloop with a dummy so user code does not | |
717 | block IPython. This function returns the original |
|
717 | block IPython. This function returns the original | |
718 | `qt.qApp.exec_loop` function that has been hijacked. |
|
718 | `qt.qApp.exec_loop` function that has been hijacked. | |
719 | """ |
|
719 | """ | |
720 | def dummy_mainloop(*args, **kw): |
|
720 | def dummy_mainloop(*args, **kw): | |
721 | pass |
|
721 | pass | |
722 | import qt |
|
722 | import qt | |
723 | orig_mainloop = qt.qApp.exec_loop |
|
723 | orig_mainloop = qt.qApp.exec_loop | |
724 | qt.qApp.exec_loop = dummy_mainloop |
|
724 | qt.qApp.exec_loop = dummy_mainloop | |
725 | qt.QApplication.exec_loop = dummy_mainloop |
|
725 | qt.QApplication.exec_loop = dummy_mainloop | |
726 | return orig_mainloop |
|
726 | return orig_mainloop | |
727 |
|
727 | |||
728 | def hijack_qt4(): |
|
728 | def hijack_qt4(): | |
729 | """Modifies PyQt4's mainloop with a dummy so user code does not |
|
729 | """Modifies PyQt4's mainloop with a dummy so user code does not | |
730 | block IPython. This function returns the original |
|
730 | block IPython. This function returns the original | |
731 | `QtGui.qApp.exec_` function that has been hijacked. |
|
731 | `QtGui.qApp.exec_` function that has been hijacked. | |
732 | """ |
|
732 | """ | |
733 | def dummy_mainloop(*args, **kw): |
|
733 | def dummy_mainloop(*args, **kw): | |
734 | pass |
|
734 | pass | |
735 | from PyQt4 import QtGui, QtCore |
|
735 | from PyQt4 import QtGui, QtCore | |
736 | orig_mainloop = QtGui.qApp.exec_ |
|
736 | orig_mainloop = QtGui.qApp.exec_ | |
737 | QtGui.qApp.exec_ = dummy_mainloop |
|
737 | QtGui.qApp.exec_ = dummy_mainloop | |
738 | QtGui.QApplication.exec_ = dummy_mainloop |
|
738 | QtGui.QApplication.exec_ = dummy_mainloop | |
739 | QtCore.QCoreApplication.exec_ = dummy_mainloop |
|
739 | QtCore.QCoreApplication.exec_ = dummy_mainloop | |
740 | return orig_mainloop |
|
740 | return orig_mainloop | |
741 |
|
741 | |||
742 | #----------------------------------------------------------------------------- |
|
742 | #----------------------------------------------------------------------------- | |
743 | # The IPShell* classes below are the ones meant to be run by external code as |
|
743 | # The IPShell* classes below are the ones meant to be run by external code as | |
744 | # IPython instances. Note that unless a specific threading strategy is |
|
744 | # IPython instances. Note that unless a specific threading strategy is | |
745 | # desired, the factory function start() below should be used instead (it |
|
745 | # desired, the factory function start() below should be used instead (it | |
746 | # selects the proper threaded class). |
|
746 | # selects the proper threaded class). | |
747 |
|
747 | |||
748 | class IPThread(threading.Thread): |
|
748 | class IPThread(threading.Thread): | |
749 | def run(self): |
|
749 | def run(self): | |
750 | self.IP.mainloop(self._banner) |
|
750 | self.IP.mainloop(self._banner) | |
751 | self.IP.kill() |
|
751 | self.IP.kill() | |
752 |
|
752 | |||
753 | class IPShellGTK(IPThread): |
|
753 | class IPShellGTK(IPThread): | |
754 | """Run a gtk mainloop() in a separate thread. |
|
754 | """Run a gtk mainloop() in a separate thread. | |
755 |
|
755 | |||
756 | Python commands can be passed to the thread where they will be executed. |
|
756 | Python commands can be passed to the thread where they will be executed. | |
757 | This is implemented by periodically checking for passed code using a |
|
757 | This is implemented by periodically checking for passed code using a | |
758 | GTK timeout callback.""" |
|
758 | GTK timeout callback.""" | |
759 |
|
759 | |||
760 | TIMEOUT = 100 # Millisecond interval between timeouts. |
|
760 | TIMEOUT = 100 # Millisecond interval between timeouts. | |
761 |
|
761 | |||
762 | def __init__(self,argv=None,user_ns=None,user_global_ns=None, |
|
762 | def __init__(self,argv=None,user_ns=None,user_global_ns=None, | |
763 | debug=1,shell_class=MTInteractiveShell): |
|
763 | debug=1,shell_class=MTInteractiveShell): | |
764 |
|
764 | |||
765 | import gtk |
|
765 | import gtk | |
766 |
|
766 | |||
767 | self.gtk = gtk |
|
767 | self.gtk = gtk | |
768 | self.gtk_mainloop = hijack_gtk() |
|
768 | self.gtk_mainloop = hijack_gtk() | |
769 |
|
769 | |||
770 | # Allows us to use both Tk and GTK. |
|
770 | # Allows us to use both Tk and GTK. | |
771 | self.tk = get_tk() |
|
771 | self.tk = get_tk() | |
772 |
|
772 | |||
773 | if gtk.pygtk_version >= (2,4,0): mainquit = self.gtk.main_quit |
|
773 | if gtk.pygtk_version >= (2,4,0): mainquit = self.gtk.main_quit | |
774 | else: mainquit = self.gtk.mainquit |
|
774 | else: mainquit = self.gtk.mainquit | |
775 |
|
775 | |||
776 | self.IP = make_IPython(argv,user_ns=user_ns, |
|
776 | self.IP = make_IPython(argv,user_ns=user_ns, | |
777 | user_global_ns=user_global_ns, |
|
777 | user_global_ns=user_global_ns, | |
778 | debug=debug, |
|
778 | debug=debug, | |
779 | shell_class=shell_class, |
|
779 | shell_class=shell_class, | |
780 | on_kill=[mainquit]) |
|
780 | on_kill=[mainquit]) | |
781 |
|
781 | |||
782 | # HACK: slot for banner in self; it will be passed to the mainloop |
|
782 | # HACK: slot for banner in self; it will be passed to the mainloop | |
783 | # method only and .run() needs it. The actual value will be set by |
|
783 | # method only and .run() needs it. The actual value will be set by | |
784 | # .mainloop(). |
|
784 | # .mainloop(). | |
785 | self._banner = None |
|
785 | self._banner = None | |
786 |
|
786 | |||
787 | threading.Thread.__init__(self) |
|
787 | threading.Thread.__init__(self) | |
788 |
|
788 | |||
789 | def mainloop(self,sys_exit=0,banner=None): |
|
789 | def mainloop(self,sys_exit=0,banner=None): | |
790 |
|
790 | |||
791 | self._banner = banner |
|
791 | self._banner = banner | |
792 |
|
792 | |||
793 | if self.gtk.pygtk_version >= (2,4,0): |
|
793 | if self.gtk.pygtk_version >= (2,4,0): | |
794 | import gobject |
|
794 | import gobject | |
795 | gobject.idle_add(self.on_timer) |
|
795 | gobject.idle_add(self.on_timer) | |
796 | else: |
|
796 | else: | |
797 | self.gtk.idle_add(self.on_timer) |
|
797 | self.gtk.idle_add(self.on_timer) | |
798 |
|
798 | |||
799 | if sys.platform != 'win32': |
|
799 | if sys.platform != 'win32': | |
800 | try: |
|
800 | try: | |
801 | if self.gtk.gtk_version[0] >= 2: |
|
801 | if self.gtk.gtk_version[0] >= 2: | |
802 | self.gtk.gdk.threads_init() |
|
802 | self.gtk.gdk.threads_init() | |
803 | except AttributeError: |
|
803 | except AttributeError: | |
804 | pass |
|
804 | pass | |
805 | except RuntimeError: |
|
805 | except RuntimeError: | |
806 | error('Your pyGTK likely has not been compiled with ' |
|
806 | error('Your pyGTK likely has not been compiled with ' | |
807 | 'threading support.\n' |
|
807 | 'threading support.\n' | |
808 | 'The exception printout is below.\n' |
|
808 | 'The exception printout is below.\n' | |
809 | 'You can either rebuild pyGTK with threads, or ' |
|
809 | 'You can either rebuild pyGTK with threads, or ' | |
810 | 'try using \n' |
|
810 | 'try using \n' | |
811 | 'matplotlib with a different backend (like Tk or WX).\n' |
|
811 | 'matplotlib with a different backend (like Tk or WX).\n' | |
812 | 'Note that matplotlib will most likely not work in its ' |
|
812 | 'Note that matplotlib will most likely not work in its ' | |
813 | 'current state!') |
|
813 | 'current state!') | |
814 | self.IP.InteractiveTB() |
|
814 | self.IP.InteractiveTB() | |
815 |
|
815 | |||
816 | self.start() |
|
816 | self.start() | |
817 | self.gtk.gdk.threads_enter() |
|
817 | self.gtk.gdk.threads_enter() | |
818 | self.gtk_mainloop() |
|
818 | self.gtk_mainloop() | |
819 | self.gtk.gdk.threads_leave() |
|
819 | self.gtk.gdk.threads_leave() | |
820 | self.join() |
|
820 | self.join() | |
821 |
|
821 | |||
822 | def on_timer(self): |
|
822 | def on_timer(self): | |
823 | """Called when GTK is idle. |
|
823 | """Called when GTK is idle. | |
824 |
|
824 | |||
825 | Must return True always, otherwise GTK stops calling it""" |
|
825 | Must return True always, otherwise GTK stops calling it""" | |
826 |
|
826 | |||
827 | update_tk(self.tk) |
|
827 | update_tk(self.tk) | |
828 | self.IP.runcode() |
|
828 | self.IP.runcode() | |
829 | time.sleep(0.01) |
|
829 | time.sleep(0.01) | |
830 | return True |
|
830 | return True | |
831 |
|
831 | |||
832 |
|
832 | |||
833 | class IPShellWX(IPThread): |
|
833 | class IPShellWX(IPThread): | |
834 | """Run a wx mainloop() in a separate thread. |
|
834 | """Run a wx mainloop() in a separate thread. | |
835 |
|
835 | |||
836 | Python commands can be passed to the thread where they will be executed. |
|
836 | Python commands can be passed to the thread where they will be executed. | |
837 | This is implemented by periodically checking for passed code using a |
|
837 | This is implemented by periodically checking for passed code using a | |
838 | GTK timeout callback.""" |
|
838 | GTK timeout callback.""" | |
839 |
|
839 | |||
840 | TIMEOUT = 100 # Millisecond interval between timeouts. |
|
840 | TIMEOUT = 100 # Millisecond interval between timeouts. | |
841 |
|
841 | |||
842 | def __init__(self,argv=None,user_ns=None,user_global_ns=None, |
|
842 | def __init__(self,argv=None,user_ns=None,user_global_ns=None, | |
843 | debug=1,shell_class=MTInteractiveShell): |
|
843 | debug=1,shell_class=MTInteractiveShell): | |
844 |
|
844 | |||
845 | self.IP = make_IPython(argv,user_ns=user_ns, |
|
845 | self.IP = make_IPython(argv,user_ns=user_ns, | |
846 | user_global_ns=user_global_ns, |
|
846 | user_global_ns=user_global_ns, | |
847 | debug=debug, |
|
847 | debug=debug, | |
848 | shell_class=shell_class, |
|
848 | shell_class=shell_class, | |
849 | on_kill=[self.wxexit]) |
|
849 | on_kill=[self.wxexit]) | |
850 |
|
850 | |||
851 | wantedwxversion=self.IP.rc.wxversion |
|
851 | wantedwxversion=self.IP.rc.wxversion | |
852 | if wantedwxversion!="0": |
|
852 | if wantedwxversion!="0": | |
853 | try: |
|
853 | try: | |
854 | import wxversion |
|
854 | import wxversion | |
855 | except ImportError: |
|
855 | except ImportError: | |
856 | error('The wxversion module is needed for WX version selection') |
|
856 | error('The wxversion module is needed for WX version selection') | |
857 | else: |
|
857 | else: | |
858 | try: |
|
858 | try: | |
859 | wxversion.select(wantedwxversion) |
|
859 | wxversion.select(wantedwxversion) | |
860 | except: |
|
860 | except: | |
861 | self.IP.InteractiveTB() |
|
861 | self.IP.InteractiveTB() | |
862 | error('Requested wxPython version %s could not be loaded' % |
|
862 | error('Requested wxPython version %s could not be loaded' % | |
863 | wantedwxversion) |
|
863 | wantedwxversion) | |
864 |
|
864 | |||
865 | import wx |
|
865 | import wx | |
866 |
|
866 | |||
867 | threading.Thread.__init__(self) |
|
867 | threading.Thread.__init__(self) | |
868 | self.wx = wx |
|
868 | self.wx = wx | |
869 | self.wx_mainloop = hijack_wx() |
|
869 | self.wx_mainloop = hijack_wx() | |
870 |
|
870 | |||
871 | # Allows us to use both Tk and GTK. |
|
871 | # Allows us to use both Tk and GTK. | |
872 | self.tk = get_tk() |
|
872 | self.tk = get_tk() | |
873 |
|
873 | |||
874 | # HACK: slot for banner in self; it will be passed to the mainloop |
|
874 | # HACK: slot for banner in self; it will be passed to the mainloop | |
875 | # method only and .run() needs it. The actual value will be set by |
|
875 | # method only and .run() needs it. The actual value will be set by | |
876 | # .mainloop(). |
|
876 | # .mainloop(). | |
877 | self._banner = None |
|
877 | self._banner = None | |
878 |
|
878 | |||
879 | self.app = None |
|
879 | self.app = None | |
880 |
|
880 | |||
881 | def wxexit(self, *args): |
|
881 | def wxexit(self, *args): | |
882 | if self.app is not None: |
|
882 | if self.app is not None: | |
883 | self.app.agent.timer.Stop() |
|
883 | self.app.agent.timer.Stop() | |
884 | self.app.ExitMainLoop() |
|
884 | self.app.ExitMainLoop() | |
885 |
|
885 | |||
886 | def mainloop(self,sys_exit=0,banner=None): |
|
886 | def mainloop(self,sys_exit=0,banner=None): | |
887 |
|
887 | |||
888 | self._banner = banner |
|
888 | self._banner = banner | |
889 |
|
889 | |||
890 | self.start() |
|
890 | self.start() | |
891 |
|
891 | |||
892 | class TimerAgent(self.wx.MiniFrame): |
|
892 | class TimerAgent(self.wx.MiniFrame): | |
893 | wx = self.wx |
|
893 | wx = self.wx | |
894 | IP = self.IP |
|
894 | IP = self.IP | |
895 | tk = self.tk |
|
895 | tk = self.tk | |
896 | def __init__(self, parent, interval): |
|
896 | def __init__(self, parent, interval): | |
897 | style = self.wx.DEFAULT_FRAME_STYLE | self.wx.TINY_CAPTION_HORIZ |
|
897 | style = self.wx.DEFAULT_FRAME_STYLE | self.wx.TINY_CAPTION_HORIZ | |
898 | self.wx.MiniFrame.__init__(self, parent, -1, ' ', pos=(200, 200), |
|
898 | self.wx.MiniFrame.__init__(self, parent, -1, ' ', pos=(200, 200), | |
899 | size=(100, 100),style=style) |
|
899 | size=(100, 100),style=style) | |
900 | self.Show(False) |
|
900 | self.Show(False) | |
901 | self.interval = interval |
|
901 | self.interval = interval | |
902 | self.timerId = self.wx.NewId() |
|
902 | self.timerId = self.wx.NewId() | |
903 |
|
903 | |||
904 | def StartWork(self): |
|
904 | def StartWork(self): | |
905 | self.timer = self.wx.Timer(self, self.timerId) |
|
905 | self.timer = self.wx.Timer(self, self.timerId) | |
906 | self.wx.EVT_TIMER(self, self.timerId, self.OnTimer) |
|
906 | self.wx.EVT_TIMER(self, self.timerId, self.OnTimer) | |
907 | self.timer.Start(self.interval) |
|
907 | self.timer.Start(self.interval) | |
908 |
|
908 | |||
909 | def OnTimer(self, event): |
|
909 | def OnTimer(self, event): | |
910 | update_tk(self.tk) |
|
910 | update_tk(self.tk) | |
911 | self.IP.runcode() |
|
911 | self.IP.runcode() | |
912 |
|
912 | |||
913 | class App(self.wx.App): |
|
913 | class App(self.wx.App): | |
914 | wx = self.wx |
|
914 | wx = self.wx | |
915 | TIMEOUT = self.TIMEOUT |
|
915 | TIMEOUT = self.TIMEOUT | |
916 | def OnInit(self): |
|
916 | def OnInit(self): | |
917 | 'Create the main window and insert the custom frame' |
|
917 | 'Create the main window and insert the custom frame' | |
918 | self.agent = TimerAgent(None, self.TIMEOUT) |
|
918 | self.agent = TimerAgent(None, self.TIMEOUT) | |
919 | self.agent.Show(False) |
|
919 | self.agent.Show(False) | |
920 | self.agent.StartWork() |
|
920 | self.agent.StartWork() | |
921 | return True |
|
921 | return True | |
922 |
|
922 | |||
923 | self.app = App(redirect=False) |
|
923 | self.app = App(redirect=False) | |
924 | self.wx_mainloop(self.app) |
|
924 | self.wx_mainloop(self.app) | |
925 | self.join() |
|
925 | self.join() | |
926 |
|
926 | |||
927 |
|
927 | |||
928 | class IPShellQt(IPThread): |
|
928 | class IPShellQt(IPThread): | |
929 | """Run a Qt event loop in a separate thread. |
|
929 | """Run a Qt event loop in a separate thread. | |
930 |
|
930 | |||
931 | Python commands can be passed to the thread where they will be executed. |
|
931 | Python commands can be passed to the thread where they will be executed. | |
932 | This is implemented by periodically checking for passed code using a |
|
932 | This is implemented by periodically checking for passed code using a | |
933 | Qt timer / slot.""" |
|
933 | Qt timer / slot.""" | |
934 |
|
934 | |||
935 | TIMEOUT = 100 # Millisecond interval between timeouts. |
|
935 | TIMEOUT = 100 # Millisecond interval between timeouts. | |
936 |
|
936 | |||
937 | def __init__(self, argv=None, user_ns=None, user_global_ns=None, |
|
937 | def __init__(self, argv=None, user_ns=None, user_global_ns=None, | |
938 | debug=0, shell_class=MTInteractiveShell): |
|
938 | debug=0, shell_class=MTInteractiveShell): | |
939 |
|
939 | |||
940 | import qt |
|
940 | import qt | |
941 |
|
941 | |||
942 | self.exec_loop = hijack_qt() |
|
942 | self.exec_loop = hijack_qt() | |
943 |
|
943 | |||
944 | # Allows us to use both Tk and QT. |
|
944 | # Allows us to use both Tk and QT. | |
945 | self.tk = get_tk() |
|
945 | self.tk = get_tk() | |
946 |
|
946 | |||
947 | self.IP = make_IPython(argv, |
|
947 | self.IP = make_IPython(argv, | |
948 | user_ns=user_ns, |
|
948 | user_ns=user_ns, | |
949 | user_global_ns=user_global_ns, |
|
949 | user_global_ns=user_global_ns, | |
950 | debug=debug, |
|
950 | debug=debug, | |
951 | shell_class=shell_class, |
|
951 | shell_class=shell_class, | |
952 | on_kill=[qt.qApp.exit]) |
|
952 | on_kill=[qt.qApp.exit]) | |
953 |
|
953 | |||
954 | # HACK: slot for banner in self; it will be passed to the mainloop |
|
954 | # HACK: slot for banner in self; it will be passed to the mainloop | |
955 | # method only and .run() needs it. The actual value will be set by |
|
955 | # method only and .run() needs it. The actual value will be set by | |
956 | # .mainloop(). |
|
956 | # .mainloop(). | |
957 | self._banner = None |
|
957 | self._banner = None | |
958 |
|
958 | |||
959 | threading.Thread.__init__(self) |
|
959 | threading.Thread.__init__(self) | |
960 |
|
960 | |||
961 | def mainloop(self, sys_exit=0, banner=None): |
|
961 | def mainloop(self, sys_exit=0, banner=None): | |
962 |
|
962 | |||
963 | import qt |
|
963 | import qt | |
964 |
|
964 | |||
965 | self._banner = banner |
|
965 | self._banner = banner | |
966 |
|
966 | |||
967 | if qt.QApplication.startingUp(): |
|
967 | if qt.QApplication.startingUp(): | |
968 | a = qt.QApplication(sys.argv) |
|
968 | a = qt.QApplication(sys.argv) | |
969 |
|
969 | |||
970 | self.timer = qt.QTimer() |
|
970 | self.timer = qt.QTimer() | |
971 | qt.QObject.connect(self.timer, |
|
971 | qt.QObject.connect(self.timer, | |
972 | qt.SIGNAL('timeout()'), |
|
972 | qt.SIGNAL('timeout()'), | |
973 | self.on_timer) |
|
973 | self.on_timer) | |
974 |
|
974 | |||
975 | self.start() |
|
975 | self.start() | |
976 | self.timer.start(self.TIMEOUT, True) |
|
976 | self.timer.start(self.TIMEOUT, True) | |
977 | while True: |
|
977 | while True: | |
978 | if self.IP._kill: break |
|
978 | if self.IP._kill: break | |
979 | self.exec_loop() |
|
979 | self.exec_loop() | |
980 | self.join() |
|
980 | self.join() | |
981 |
|
981 | |||
982 | def on_timer(self): |
|
982 | def on_timer(self): | |
983 | update_tk(self.tk) |
|
983 | update_tk(self.tk) | |
984 | result = self.IP.runcode() |
|
984 | result = self.IP.runcode() | |
985 | self.timer.start(self.TIMEOUT, True) |
|
985 | self.timer.start(self.TIMEOUT, True) | |
986 | return result |
|
986 | return result | |
987 |
|
987 | |||
988 |
|
988 | |||
989 | class IPShellQt4(IPThread): |
|
989 | class IPShellQt4(IPThread): | |
990 | """Run a Qt event loop in a separate thread. |
|
990 | """Run a Qt event loop in a separate thread. | |
991 |
|
991 | |||
992 | Python commands can be passed to the thread where they will be executed. |
|
992 | Python commands can be passed to the thread where they will be executed. | |
993 | This is implemented by periodically checking for passed code using a |
|
993 | This is implemented by periodically checking for passed code using a | |
994 | Qt timer / slot.""" |
|
994 | Qt timer / slot.""" | |
995 |
|
995 | |||
996 | TIMEOUT = 100 # Millisecond interval between timeouts. |
|
996 | TIMEOUT = 100 # Millisecond interval between timeouts. | |
997 |
|
997 | |||
998 | def __init__(self, argv=None, user_ns=None, user_global_ns=None, |
|
998 | def __init__(self, argv=None, user_ns=None, user_global_ns=None, | |
999 | debug=0, shell_class=MTInteractiveShell): |
|
999 | debug=0, shell_class=MTInteractiveShell): | |
1000 |
|
1000 | |||
1001 | from PyQt4 import QtCore, QtGui |
|
1001 | from PyQt4 import QtCore, QtGui | |
1002 |
|
1002 | |||
1003 | try: |
|
1003 | try: | |
1004 | # present in PyQt4-4.2.1 or later |
|
1004 | # present in PyQt4-4.2.1 or later | |
1005 | QtCore.pyqtRemoveInputHook() |
|
1005 | QtCore.pyqtRemoveInputHook() | |
1006 | except AttributeError: |
|
1006 | except AttributeError: | |
1007 | pass |
|
1007 | pass | |
1008 |
|
1008 | |||
1009 | if QtCore.PYQT_VERSION_STR == '4.3': |
|
1009 | if QtCore.PYQT_VERSION_STR == '4.3': | |
1010 | warn('''PyQt4 version 4.3 detected. |
|
1010 | warn('''PyQt4 version 4.3 detected. | |
1011 | If you experience repeated threading warnings, please update PyQt4. |
|
1011 | If you experience repeated threading warnings, please update PyQt4. | |
1012 | ''') |
|
1012 | ''') | |
1013 |
|
1013 | |||
1014 | self.exec_ = hijack_qt4() |
|
1014 | self.exec_ = hijack_qt4() | |
1015 |
|
1015 | |||
1016 | # Allows us to use both Tk and QT. |
|
1016 | # Allows us to use both Tk and QT. | |
1017 | self.tk = get_tk() |
|
1017 | self.tk = get_tk() | |
1018 |
|
1018 | |||
1019 | self.IP = make_IPython(argv, |
|
1019 | self.IP = make_IPython(argv, | |
1020 | user_ns=user_ns, |
|
1020 | user_ns=user_ns, | |
1021 | user_global_ns=user_global_ns, |
|
1021 | user_global_ns=user_global_ns, | |
1022 | debug=debug, |
|
1022 | debug=debug, | |
1023 | shell_class=shell_class, |
|
1023 | shell_class=shell_class, | |
1024 | on_kill=[QtGui.qApp.exit]) |
|
1024 | on_kill=[QtGui.qApp.exit]) | |
1025 |
|
1025 | |||
1026 | # HACK: slot for banner in self; it will be passed to the mainloop |
|
1026 | # HACK: slot for banner in self; it will be passed to the mainloop | |
1027 | # method only and .run() needs it. The actual value will be set by |
|
1027 | # method only and .run() needs it. The actual value will be set by | |
1028 | # .mainloop(). |
|
1028 | # .mainloop(). | |
1029 | self._banner = None |
|
1029 | self._banner = None | |
1030 |
|
1030 | |||
1031 | threading.Thread.__init__(self) |
|
1031 | threading.Thread.__init__(self) | |
1032 |
|
1032 | |||
1033 | def mainloop(self, sys_exit=0, banner=None): |
|
1033 | def mainloop(self, sys_exit=0, banner=None): | |
1034 |
|
1034 | |||
1035 | from PyQt4 import QtCore, QtGui |
|
1035 | from PyQt4 import QtCore, QtGui | |
1036 |
|
1036 | |||
1037 | self._banner = banner |
|
1037 | self._banner = banner | |
1038 |
|
1038 | |||
1039 | if QtGui.QApplication.startingUp(): |
|
1039 | if QtGui.QApplication.startingUp(): | |
1040 | a = QtGui.QApplication(sys.argv) |
|
1040 | a = QtGui.QApplication(sys.argv) | |
1041 |
|
1041 | |||
1042 | self.timer = QtCore.QTimer() |
|
1042 | self.timer = QtCore.QTimer() | |
1043 | QtCore.QObject.connect(self.timer, |
|
1043 | QtCore.QObject.connect(self.timer, | |
1044 | QtCore.SIGNAL('timeout()'), |
|
1044 | QtCore.SIGNAL('timeout()'), | |
1045 | self.on_timer) |
|
1045 | self.on_timer) | |
1046 |
|
1046 | |||
1047 | self.start() |
|
1047 | self.start() | |
1048 | self.timer.start(self.TIMEOUT) |
|
1048 | self.timer.start(self.TIMEOUT) | |
1049 | while True: |
|
1049 | while True: | |
1050 | if self.IP._kill: break |
|
1050 | if self.IP._kill: break | |
1051 | self.exec_() |
|
1051 | self.exec_() | |
1052 | self.join() |
|
1052 | self.join() | |
1053 |
|
1053 | |||
1054 | def on_timer(self): |
|
1054 | def on_timer(self): | |
1055 | update_tk(self.tk) |
|
1055 | update_tk(self.tk) | |
1056 | result = self.IP.runcode() |
|
1056 | result = self.IP.runcode() | |
1057 | self.timer.start(self.TIMEOUT) |
|
1057 | self.timer.start(self.TIMEOUT) | |
1058 | return result |
|
1058 | return result | |
1059 |
|
1059 | |||
1060 |
|
1060 | |||
1061 | # A set of matplotlib public IPython shell classes, for single-threaded (Tk* |
|
1061 | # A set of matplotlib public IPython shell classes, for single-threaded (Tk* | |
1062 | # and FLTK*) and multithreaded (GTK*, WX* and Qt*) backends to use. |
|
1062 | # and FLTK*) and multithreaded (GTK*, WX* and Qt*) backends to use. | |
1063 | def _load_pylab(user_ns): |
|
1063 | def _load_pylab(user_ns): | |
1064 | """Allow users to disable pulling all of pylab into the top-level |
|
1064 | """Allow users to disable pulling all of pylab into the top-level | |
1065 | namespace. |
|
1065 | namespace. | |
1066 |
|
1066 | |||
1067 | This little utility must be called AFTER the actual ipython instance is |
|
1067 | This little utility must be called AFTER the actual ipython instance is | |
1068 | running, since only then will the options file have been fully parsed.""" |
|
1068 | running, since only then will the options file have been fully parsed.""" | |
1069 |
|
1069 | |||
1070 | ip = IPython.ipapi.get() |
|
1070 | ip = IPython.ipapi.get() | |
1071 | if ip.options.pylab_import_all: |
|
1071 | if ip.options.pylab_import_all: | |
1072 | ip.ex("from matplotlib.pylab import *") |
|
1072 | ip.ex("from matplotlib.pylab import *") | |
1073 | ip.IP.user_config_ns.update(ip.user_ns) |
|
1073 | ip.IP.user_config_ns.update(ip.user_ns) | |
1074 |
|
1074 | |||
1075 |
|
1075 | |||
1076 | class IPShellMatplotlib(IPShell): |
|
1076 | class IPShellMatplotlib(IPShell): | |
1077 | """Subclass IPShell with MatplotlibShell as the internal shell. |
|
1077 | """Subclass IPShell with MatplotlibShell as the internal shell. | |
1078 |
|
1078 | |||
1079 | Single-threaded class, meant for the Tk* and FLTK* backends. |
|
1079 | Single-threaded class, meant for the Tk* and FLTK* backends. | |
1080 |
|
1080 | |||
1081 | Having this on a separate class simplifies the external driver code.""" |
|
1081 | Having this on a separate class simplifies the external driver code.""" | |
1082 |
|
1082 | |||
1083 | def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1): |
|
1083 | def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1): | |
1084 | IPShell.__init__(self,argv,user_ns,user_global_ns,debug, |
|
1084 | IPShell.__init__(self,argv,user_ns,user_global_ns,debug, | |
1085 | shell_class=MatplotlibShell) |
|
1085 | shell_class=MatplotlibShell) | |
1086 | _load_pylab(self.IP.user_ns) |
|
1086 | _load_pylab(self.IP.user_ns) | |
1087 |
|
1087 | |||
1088 | class IPShellMatplotlibGTK(IPShellGTK): |
|
1088 | class IPShellMatplotlibGTK(IPShellGTK): | |
1089 | """Subclass IPShellGTK with MatplotlibMTShell as the internal shell. |
|
1089 | """Subclass IPShellGTK with MatplotlibMTShell as the internal shell. | |
1090 |
|
1090 | |||
1091 | Multi-threaded class, meant for the GTK* backends.""" |
|
1091 | Multi-threaded class, meant for the GTK* backends.""" | |
1092 |
|
1092 | |||
1093 | def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1): |
|
1093 | def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1): | |
1094 | IPShellGTK.__init__(self,argv,user_ns,user_global_ns,debug, |
|
1094 | IPShellGTK.__init__(self,argv,user_ns,user_global_ns,debug, | |
1095 | shell_class=MatplotlibMTShell) |
|
1095 | shell_class=MatplotlibMTShell) | |
1096 | _load_pylab(self.IP.user_ns) |
|
1096 | _load_pylab(self.IP.user_ns) | |
1097 |
|
1097 | |||
1098 | class IPShellMatplotlibWX(IPShellWX): |
|
1098 | class IPShellMatplotlibWX(IPShellWX): | |
1099 | """Subclass IPShellWX with MatplotlibMTShell as the internal shell. |
|
1099 | """Subclass IPShellWX with MatplotlibMTShell as the internal shell. | |
1100 |
|
1100 | |||
1101 | Multi-threaded class, meant for the WX* backends.""" |
|
1101 | Multi-threaded class, meant for the WX* backends.""" | |
1102 |
|
1102 | |||
1103 | def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1): |
|
1103 | def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1): | |
1104 | IPShellWX.__init__(self,argv,user_ns,user_global_ns,debug, |
|
1104 | IPShellWX.__init__(self,argv,user_ns,user_global_ns,debug, | |
1105 | shell_class=MatplotlibMTShell) |
|
1105 | shell_class=MatplotlibMTShell) | |
1106 | _load_pylab(self.IP.user_ns) |
|
1106 | _load_pylab(self.IP.user_ns) | |
1107 |
|
1107 | |||
1108 | class IPShellMatplotlibQt(IPShellQt): |
|
1108 | class IPShellMatplotlibQt(IPShellQt): | |
1109 | """Subclass IPShellQt with MatplotlibMTShell as the internal shell. |
|
1109 | """Subclass IPShellQt with MatplotlibMTShell as the internal shell. | |
1110 |
|
1110 | |||
1111 | Multi-threaded class, meant for the Qt* backends.""" |
|
1111 | Multi-threaded class, meant for the Qt* backends.""" | |
1112 |
|
1112 | |||
1113 | def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1): |
|
1113 | def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1): | |
1114 | IPShellQt.__init__(self,argv,user_ns,user_global_ns,debug, |
|
1114 | IPShellQt.__init__(self,argv,user_ns,user_global_ns,debug, | |
1115 | shell_class=MatplotlibMTShell) |
|
1115 | shell_class=MatplotlibMTShell) | |
1116 | _load_pylab(self.IP.user_ns) |
|
1116 | _load_pylab(self.IP.user_ns) | |
1117 |
|
1117 | |||
1118 | class IPShellMatplotlibQt4(IPShellQt4): |
|
1118 | class IPShellMatplotlibQt4(IPShellQt4): | |
1119 | """Subclass IPShellQt4 with MatplotlibMTShell as the internal shell. |
|
1119 | """Subclass IPShellQt4 with MatplotlibMTShell as the internal shell. | |
1120 |
|
1120 | |||
1121 | Multi-threaded class, meant for the Qt4* backends.""" |
|
1121 | Multi-threaded class, meant for the Qt4* backends.""" | |
1122 |
|
1122 | |||
1123 | def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1): |
|
1123 | def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1): | |
1124 | IPShellQt4.__init__(self,argv,user_ns,user_global_ns,debug, |
|
1124 | IPShellQt4.__init__(self,argv,user_ns,user_global_ns,debug, | |
1125 | shell_class=MatplotlibMTShell) |
|
1125 | shell_class=MatplotlibMTShell) | |
1126 | _load_pylab(self.IP.user_ns) |
|
1126 | _load_pylab(self.IP.user_ns) | |
1127 |
|
1127 | |||
1128 | #----------------------------------------------------------------------------- |
|
1128 | #----------------------------------------------------------------------------- | |
1129 | # Factory functions to actually start the proper thread-aware shell |
|
1129 | # Factory functions to actually start the proper thread-aware shell | |
1130 |
|
1130 | |||
1131 | def _select_shell(argv): |
|
1131 | def _select_shell(argv): | |
1132 | """Select a shell from the given argv vector. |
|
1132 | """Select a shell from the given argv vector. | |
1133 |
|
1133 | |||
1134 | This function implements the threading selection policy, allowing runtime |
|
1134 | This function implements the threading selection policy, allowing runtime | |
1135 | control of the threading mode, both for general users and for matplotlib. |
|
1135 | control of the threading mode, both for general users and for matplotlib. | |
1136 |
|
1136 | |||
1137 | Return: |
|
1137 | Return: | |
1138 | Shell class to be instantiated for runtime operation. |
|
1138 | Shell class to be instantiated for runtime operation. | |
1139 | """ |
|
1139 | """ | |
1140 |
|
1140 | |||
1141 | global USE_TK |
|
1141 | global USE_TK | |
1142 |
|
1142 | |||
1143 | mpl_shell = {'gthread' : IPShellMatplotlibGTK, |
|
1143 | mpl_shell = {'gthread' : IPShellMatplotlibGTK, | |
1144 | 'wthread' : IPShellMatplotlibWX, |
|
1144 | 'wthread' : IPShellMatplotlibWX, | |
1145 | 'qthread' : IPShellMatplotlibQt, |
|
1145 | 'qthread' : IPShellMatplotlibQt, | |
1146 | 'q4thread' : IPShellMatplotlibQt4, |
|
1146 | 'q4thread' : IPShellMatplotlibQt4, | |
1147 | 'tkthread' : IPShellMatplotlib, # Tk is built-in |
|
1147 | 'tkthread' : IPShellMatplotlib, # Tk is built-in | |
1148 | } |
|
1148 | } | |
1149 |
|
1149 | |||
1150 | th_shell = {'gthread' : IPShellGTK, |
|
1150 | th_shell = {'gthread' : IPShellGTK, | |
1151 | 'wthread' : IPShellWX, |
|
1151 | 'wthread' : IPShellWX, | |
1152 | 'qthread' : IPShellQt, |
|
1152 | 'qthread' : IPShellQt, | |
1153 | 'q4thread' : IPShellQt4, |
|
1153 | 'q4thread' : IPShellQt4, | |
1154 | 'tkthread' : IPShell, # Tk is built-in |
|
1154 | 'tkthread' : IPShell, # Tk is built-in | |
1155 | } |
|
1155 | } | |
1156 |
|
1156 | |||
1157 | backends = {'gthread' : 'GTKAgg', |
|
1157 | backends = {'gthread' : 'GTKAgg', | |
1158 | 'wthread' : 'WXAgg', |
|
1158 | 'wthread' : 'WXAgg', | |
1159 | 'qthread' : 'QtAgg', |
|
1159 | 'qthread' : 'QtAgg', | |
1160 | 'q4thread' :'Qt4Agg', |
|
1160 | 'q4thread' :'Qt4Agg', | |
1161 | 'tkthread' :'TkAgg', |
|
1161 | 'tkthread' :'TkAgg', | |
1162 | } |
|
1162 | } | |
1163 |
|
1163 | |||
1164 | all_opts = set(['tk','pylab','gthread','qthread','q4thread','wthread', |
|
1164 | all_opts = set(['tk','pylab','gthread','qthread','q4thread','wthread', | |
1165 | 'tkthread', 'twisted']) |
|
1165 | 'tkthread', 'twisted']) | |
1166 | user_opts = set([s.replace('-','') for s in argv[:3]]) |
|
1166 | user_opts = set([s.replace('-','') for s in argv[:3]]) | |
1167 | special_opts = user_opts & all_opts |
|
1167 | special_opts = user_opts & all_opts | |
1168 |
|
1168 | |||
1169 | if 'twisted' in special_opts: |
|
1169 | if 'twisted' in special_opts: | |
|
1170 | if sys.platform == 'win32': | |||
1170 | import twshell |
|
1171 | import twshell | |
1171 | return twshell.IPShellTwisted |
|
1172 | return twshell.IPShellTwisted | |
|
1173 | else: | |||
|
1174 | error('-twisted currently only works on win32. Starting normal IPython.') | |||
|
1175 | special_opts.remove('twisted') | |||
|
1176 | return IPShell | |||
|
1177 | ||||
|
1178 | ||||
1172 | if 'tk' in special_opts: |
|
1179 | if 'tk' in special_opts: | |
1173 | USE_TK = True |
|
1180 | USE_TK = True | |
1174 | special_opts.remove('tk') |
|
1181 | special_opts.remove('tk') | |
1175 |
|
1182 | |||
1176 | if 'pylab' in special_opts: |
|
1183 | if 'pylab' in special_opts: | |
1177 |
|
1184 | |||
1178 | try: |
|
1185 | try: | |
1179 | import matplotlib |
|
1186 | import matplotlib | |
1180 | except ImportError: |
|
1187 | except ImportError: | |
1181 | error('matplotlib could NOT be imported! Starting normal IPython.') |
|
1188 | error('matplotlib could NOT be imported! Starting normal IPython.') | |
1182 | return IPShell |
|
1189 | return IPShell | |
1183 |
|
1190 | |||
1184 | special_opts.remove('pylab') |
|
1191 | special_opts.remove('pylab') | |
1185 | # If there's any option left, it means the user wants to force the |
|
1192 | # If there's any option left, it means the user wants to force the | |
1186 | # threading backend, else it's auto-selected from the rc file |
|
1193 | # threading backend, else it's auto-selected from the rc file | |
1187 | if special_opts: |
|
1194 | if special_opts: | |
1188 | th_mode = special_opts.pop() |
|
1195 | th_mode = special_opts.pop() | |
1189 | matplotlib.rcParams['backend'] = backends[th_mode] |
|
1196 | matplotlib.rcParams['backend'] = backends[th_mode] | |
1190 | else: |
|
1197 | else: | |
1191 | backend = matplotlib.rcParams['backend'] |
|
1198 | backend = matplotlib.rcParams['backend'] | |
1192 | if backend.startswith('GTK'): |
|
1199 | if backend.startswith('GTK'): | |
1193 | th_mode = 'gthread' |
|
1200 | th_mode = 'gthread' | |
1194 | elif backend.startswith('WX'): |
|
1201 | elif backend.startswith('WX'): | |
1195 | th_mode = 'wthread' |
|
1202 | th_mode = 'wthread' | |
1196 | elif backend.startswith('Qt4'): |
|
1203 | elif backend.startswith('Qt4'): | |
1197 | th_mode = 'q4thread' |
|
1204 | th_mode = 'q4thread' | |
1198 | elif backend.startswith('Qt'): |
|
1205 | elif backend.startswith('Qt'): | |
1199 | th_mode = 'qthread' |
|
1206 | th_mode = 'qthread' | |
1200 | else: |
|
1207 | else: | |
1201 | # Any other backend, use plain Tk |
|
1208 | # Any other backend, use plain Tk | |
1202 | th_mode = 'tkthread' |
|
1209 | th_mode = 'tkthread' | |
1203 |
|
1210 | |||
1204 | return mpl_shell[th_mode] |
|
1211 | return mpl_shell[th_mode] | |
1205 | else: |
|
1212 | else: | |
1206 | # No pylab requested, just plain threads |
|
1213 | # No pylab requested, just plain threads | |
1207 | try: |
|
1214 | try: | |
1208 | th_mode = special_opts.pop() |
|
1215 | th_mode = special_opts.pop() | |
1209 | except KeyError: |
|
1216 | except KeyError: | |
1210 | th_mode = 'tkthread' |
|
1217 | th_mode = 'tkthread' | |
1211 | return th_shell[th_mode] |
|
1218 | return th_shell[th_mode] | |
1212 |
|
1219 | |||
1213 |
|
1220 | |||
1214 | # This is the one which should be called by external code. |
|
1221 | # This is the one which should be called by external code. | |
1215 | def start(user_ns = None): |
|
1222 | def start(user_ns = None): | |
1216 | """Return a running shell instance, dealing with threading options. |
|
1223 | """Return a running shell instance, dealing with threading options. | |
1217 |
|
1224 | |||
1218 | This is a factory function which will instantiate the proper IPython shell |
|
1225 | This is a factory function which will instantiate the proper IPython shell | |
1219 | based on the user's threading choice. Such a selector is needed because |
|
1226 | based on the user's threading choice. Such a selector is needed because | |
1220 | different GUI toolkits require different thread handling details.""" |
|
1227 | different GUI toolkits require different thread handling details.""" | |
1221 |
|
1228 | |||
1222 | shell = _select_shell(sys.argv) |
|
1229 | shell = _select_shell(sys.argv) | |
1223 | return shell(user_ns = user_ns) |
|
1230 | return shell(user_ns = user_ns) | |
1224 |
|
1231 | |||
1225 | # Some aliases for backwards compatibility |
|
1232 | # Some aliases for backwards compatibility | |
1226 | IPythonShell = IPShell |
|
1233 | IPythonShell = IPShell | |
1227 | IPythonShellEmbed = IPShellEmbed |
|
1234 | IPythonShellEmbed = IPShellEmbed | |
1228 | #************************ End of file <Shell.py> *************************** |
|
1235 | #************************ End of file <Shell.py> *************************** |
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