Show More
@@ -1,144 +1,144 | |||
|
1 | 1 | """ A minimal application using the Qt console-style IPython frontend. |
|
2 | 2 | """ |
|
3 | 3 | |
|
4 | 4 | #----------------------------------------------------------------------------- |
|
5 | 5 | # Imports |
|
6 | 6 | #----------------------------------------------------------------------------- |
|
7 | 7 | |
|
8 | 8 | # Systemm library imports |
|
9 | 9 | from PyQt4 import QtGui |
|
10 | 10 | |
|
11 | 11 | # Local imports |
|
12 | 12 | from IPython.external.argparse import ArgumentParser |
|
13 | 13 | from IPython.frontend.qt.console.frontend_widget import FrontendWidget |
|
14 | 14 | from IPython.frontend.qt.console.ipython_widget import IPythonWidget |
|
15 | 15 | from IPython.frontend.qt.console.rich_ipython_widget import RichIPythonWidget |
|
16 | 16 | from IPython.frontend.qt.kernelmanager import QtKernelManager |
|
17 | 17 | |
|
18 | 18 | #----------------------------------------------------------------------------- |
|
19 | 19 | # Constants |
|
20 | 20 | #----------------------------------------------------------------------------- |
|
21 | 21 | |
|
22 | 22 | LOCALHOST = '127.0.0.1' |
|
23 | 23 | |
|
24 | 24 | #----------------------------------------------------------------------------- |
|
25 | 25 | # Classes |
|
26 | 26 | #----------------------------------------------------------------------------- |
|
27 | 27 | |
|
28 | 28 | class MainWindow(QtGui.QMainWindow): |
|
29 | 29 | |
|
30 | 30 | #--------------------------------------------------------------------------- |
|
31 | 31 | # 'object' interface |
|
32 | 32 | #--------------------------------------------------------------------------- |
|
33 | 33 | |
|
34 | 34 | def __init__(self, frontend): |
|
35 | 35 | """ Create a MainWindow for the specified FrontendWidget. |
|
36 | 36 | """ |
|
37 | 37 | super(MainWindow, self).__init__() |
|
38 | 38 | self._frontend = frontend |
|
39 | 39 | self._frontend.exit_requested.connect(self.close) |
|
40 | 40 | self.setCentralWidget(frontend) |
|
41 | 41 | |
|
42 | 42 | #--------------------------------------------------------------------------- |
|
43 | 43 | # QWidget interface |
|
44 | 44 | #--------------------------------------------------------------------------- |
|
45 | 45 | |
|
46 | 46 | def closeEvent(self, event): |
|
47 | 47 | """ Reimplemented to prompt the user and close the kernel cleanly. |
|
48 | 48 | """ |
|
49 | 49 | kernel_manager = self._frontend.kernel_manager |
|
50 | 50 | if kernel_manager and kernel_manager.channels_running: |
|
51 | 51 | title = self.window().windowTitle() |
|
52 | 52 | reply = QtGui.QMessageBox.question(self, title, |
|
53 | 53 | 'Close console?', QtGui.QMessageBox.Yes, QtGui.QMessageBox.No) |
|
54 | 54 | if reply == QtGui.QMessageBox.Yes: |
|
55 | 55 | kernel_manager.shutdown_kernel() |
|
56 | 56 | #kernel_manager.stop_channels() |
|
57 | 57 | event.accept() |
|
58 | 58 | else: |
|
59 | 59 | event.ignore() |
|
60 | 60 | |
|
61 | 61 | #----------------------------------------------------------------------------- |
|
62 | 62 | # Main entry point |
|
63 | 63 | #----------------------------------------------------------------------------- |
|
64 | 64 | |
|
65 | 65 | def main(): |
|
66 | 66 | """ Entry point for application. |
|
67 | 67 | """ |
|
68 | 68 | # Parse command line arguments. |
|
69 | 69 | parser = ArgumentParser() |
|
70 | 70 | kgroup = parser.add_argument_group('kernel options') |
|
71 | 71 | kgroup.add_argument('-e', '--existing', action='store_true', |
|
72 | 72 | help='connect to an existing kernel') |
|
73 | 73 | kgroup.add_argument('--ip', type=str, default=LOCALHOST, |
|
74 | 74 | help='set the kernel\'s IP address [default localhost]') |
|
75 | 75 | kgroup.add_argument('--xreq', type=int, metavar='PORT', default=0, |
|
76 | 76 | help='set the XREQ channel port [default random]') |
|
77 | 77 | kgroup.add_argument('--sub', type=int, metavar='PORT', default=0, |
|
78 | 78 | help='set the SUB channel port [default random]') |
|
79 | 79 | kgroup.add_argument('--rep', type=int, metavar='PORT', default=0, |
|
80 | 80 | help='set the REP channel port [default random]') |
|
81 | 81 | kgroup.add_argument('--hb', type=int, metavar='PORT', default=0, |
|
82 | 82 | help='set the heartbeat port [default: random]') |
|
83 | 83 | |
|
84 | 84 | egroup = kgroup.add_mutually_exclusive_group() |
|
85 | 85 | egroup.add_argument('--pure', action='store_true', help = \ |
|
86 | 86 | 'use a pure Python kernel instead of an IPython kernel') |
|
87 | 87 | egroup.add_argument('--pylab', type=str, metavar='GUI', nargs='?', |
|
88 | 88 | const='auto', help = \ |
|
89 | 89 | "Pre-load matplotlib and numpy for interactive use. If GUI is not \ |
|
90 | 90 | given, the GUI backend is matplotlib's, otherwise use one of: \ |
|
91 |
['tk', 'gtk', 'qt', 'wx', ' |
|
|
91 | ['tk', 'gtk', 'qt', 'wx', 'inline'].") | |
|
92 | 92 | |
|
93 | 93 | wgroup = parser.add_argument_group('widget options') |
|
94 | 94 | wgroup.add_argument('--paging', type=str, default='inside', |
|
95 | 95 | choices = ['inside', 'hsplit', 'vsplit', 'none'], |
|
96 | 96 | help='set the paging style [default inside]') |
|
97 | 97 | wgroup.add_argument('--rich', action='store_true', |
|
98 | 98 | help='enable rich text support') |
|
99 | 99 | wgroup.add_argument('--gui-completion', action='store_true', |
|
100 | 100 | help='use a GUI widget for tab completion') |
|
101 | 101 | |
|
102 | 102 | args = parser.parse_args() |
|
103 | 103 | |
|
104 | 104 | # Don't let Qt or ZMQ swallow KeyboardInterupts. |
|
105 | 105 | import signal |
|
106 | 106 | signal.signal(signal.SIGINT, signal.SIG_DFL) |
|
107 | 107 | |
|
108 | 108 | # Create a KernelManager and start a kernel. |
|
109 | 109 | kernel_manager = QtKernelManager(xreq_address=(args.ip, args.xreq), |
|
110 | 110 | sub_address=(args.ip, args.sub), |
|
111 | 111 | rep_address=(args.ip, args.rep), |
|
112 | 112 | hb_address=(args.ip, args.hb)) |
|
113 | 113 | if args.ip == LOCALHOST and not args.existing: |
|
114 | 114 | if args.pure: |
|
115 | 115 | kernel_manager.start_kernel(ipython=False) |
|
116 | 116 | elif args.pylab: |
|
117 | 117 | kernel_manager.start_kernel(pylab=args.pylab) |
|
118 | 118 | else: |
|
119 | 119 | kernel_manager.start_kernel() |
|
120 | 120 | kernel_manager.start_channels() |
|
121 | 121 | |
|
122 | 122 | # Create the widget. |
|
123 | 123 | app = QtGui.QApplication([]) |
|
124 | 124 | if args.pure: |
|
125 | 125 | kind = 'rich' if args.rich else 'plain' |
|
126 | 126 | widget = FrontendWidget(kind=kind, paging=args.paging) |
|
127 | 127 | elif args.rich or args.pylab: |
|
128 | 128 | widget = RichIPythonWidget(paging=args.paging) |
|
129 | 129 | else: |
|
130 | 130 | widget = IPythonWidget(paging=args.paging) |
|
131 | 131 | widget.gui_completion = args.gui_completion |
|
132 | 132 | widget.kernel_manager = kernel_manager |
|
133 | 133 | |
|
134 | 134 | # Create the main window. |
|
135 | 135 | window = MainWindow(widget) |
|
136 | 136 | window.setWindowTitle('Python' if args.pure else 'IPython') |
|
137 | 137 | window.show() |
|
138 | 138 | |
|
139 | 139 | # Start the application main loop. |
|
140 | 140 | app.exec_() |
|
141 | 141 | |
|
142 | 142 | |
|
143 | 143 | if __name__ == '__main__': |
|
144 | 144 | main() |
@@ -1,196 +1,196 | |||
|
1 | 1 | # -*- coding: utf-8 -*- |
|
2 | 2 | """Pylab (matplotlib) support utilities. |
|
3 | 3 | |
|
4 | 4 | Authors |
|
5 | 5 | ------- |
|
6 | 6 | |
|
7 | 7 | * Fernando Perez. |
|
8 | 8 | * Brian Granger |
|
9 | 9 | """ |
|
10 | 10 | |
|
11 | 11 | #----------------------------------------------------------------------------- |
|
12 | 12 | # Copyright (C) 2009 The IPython Development Team |
|
13 | 13 | # |
|
14 | 14 | # Distributed under the terms of the BSD License. The full license is in |
|
15 | 15 | # the file COPYING, distributed as part of this software. |
|
16 | 16 | #----------------------------------------------------------------------------- |
|
17 | 17 | |
|
18 | 18 | #----------------------------------------------------------------------------- |
|
19 | 19 | # Imports |
|
20 | 20 | #----------------------------------------------------------------------------- |
|
21 | 21 | |
|
22 | 22 | from IPython.utils.decorators import flag_calls |
|
23 | 23 | |
|
24 | 24 | # If user specifies a GUI, that dictates the backend, otherwise we read the |
|
25 | 25 | # user's mpl default from the mpl rc structure |
|
26 | 26 | backends = {'tk': 'TkAgg', |
|
27 | 27 | 'gtk': 'GTKAgg', |
|
28 | 28 | 'wx': 'WXAgg', |
|
29 | 29 | 'qt': 'Qt4Agg', # qt3 not supported |
|
30 | 30 | 'qt4': 'Qt4Agg', |
|
31 |
' |
|
|
31 | 'inline' : 'module://IPython.zmq.pylab.backend_inline'} | |
|
32 | 32 | |
|
33 | 33 | #----------------------------------------------------------------------------- |
|
34 | 34 | # Main classes and functions |
|
35 | 35 | #----------------------------------------------------------------------------- |
|
36 | 36 | |
|
37 | 37 | |
|
38 | 38 | def find_gui_and_backend(gui=None): |
|
39 | 39 | """Given a gui string return the gui and mpl backend. |
|
40 | 40 | |
|
41 | 41 | Parameters |
|
42 | 42 | ---------- |
|
43 | 43 | gui : str |
|
44 |
Can be one of ('tk','gtk','wx','qt','qt4',' |
|
|
44 | Can be one of ('tk','gtk','wx','qt','qt4','inline'). | |
|
45 | 45 | |
|
46 | 46 | Returns |
|
47 | 47 | ------- |
|
48 | 48 | A tuple of (gui, backend) where backend is one of ('TkAgg','GTKAgg', |
|
49 |
'WXAgg','Qt4Agg','module://IPython.zmq.pylab.backend_ |
|
|
49 | 'WXAgg','Qt4Agg','module://IPython.zmq.pylab.backend_inline'). | |
|
50 | 50 | """ |
|
51 | 51 | |
|
52 | 52 | import matplotlib |
|
53 | 53 | |
|
54 | 54 | if gui: |
|
55 | 55 | # select backend based on requested gui |
|
56 | 56 | backend = backends[gui] |
|
57 | 57 | else: |
|
58 | 58 | backend = matplotlib.rcParams['backend'] |
|
59 | 59 | # In this case, we need to find what the appropriate gui selection call |
|
60 | 60 | # should be for IPython, so we can activate inputhook accordingly |
|
61 | 61 | g2b = backends # maps gui names to mpl backend names |
|
62 | 62 | b2g = dict(zip(g2b.values(), g2b.keys())) # reverse dict |
|
63 | 63 | gui = b2g.get(backend, None) |
|
64 | 64 | return gui, backend |
|
65 | 65 | |
|
66 | 66 | |
|
67 | 67 | def activate_matplotlib(backend): |
|
68 | 68 | """Activate the given backend and set interactive to True.""" |
|
69 | 69 | |
|
70 | 70 | import matplotlib |
|
71 | 71 | if backend.startswith('module://'): |
|
72 | 72 | # Work around bug in matplotlib: matplotlib.use converts the |
|
73 | 73 | # backend_id to lowercase even if a module name is specified! |
|
74 | 74 | matplotlib.rcParams['backend'] = backend |
|
75 | 75 | else: |
|
76 | 76 | matplotlib.use(backend) |
|
77 | 77 | matplotlib.interactive(True) |
|
78 | 78 | |
|
79 | 79 | # This must be imported last in the matplotlib series, after |
|
80 | 80 | # backend/interactivity choices have been made |
|
81 | 81 | import matplotlib.pylab as pylab |
|
82 | 82 | |
|
83 | 83 | # XXX For now leave this commented out, but depending on discussions with |
|
84 | 84 | # mpl-dev, we may be able to allow interactive switching... |
|
85 | 85 | #import matplotlib.pyplot |
|
86 | 86 | #matplotlib.pyplot.switch_backend(backend) |
|
87 | 87 | |
|
88 | 88 | pylab.show._needmain = False |
|
89 | 89 | # We need to detect at runtime whether show() is called by the user. |
|
90 | 90 | # For this, we wrap it into a decorator which adds a 'called' flag. |
|
91 | 91 | pylab.draw_if_interactive = flag_calls(pylab.draw_if_interactive) |
|
92 | 92 | |
|
93 | 93 | |
|
94 | 94 | def import_pylab(user_ns, backend, import_all=True, shell=None): |
|
95 | 95 | """Import the standard pylab symbols into user_ns.""" |
|
96 | 96 | |
|
97 | 97 | # Import numpy as np/pyplot as plt are conventions we're trying to |
|
98 | 98 | # somewhat standardize on. Making them available to users by default |
|
99 | 99 | # will greatly help this. |
|
100 | 100 | exec ("import numpy\n" |
|
101 | 101 | "import matplotlib\n" |
|
102 | 102 | "from matplotlib import pylab, mlab, pyplot\n" |
|
103 | 103 | "np = numpy\n" |
|
104 | 104 | "plt = pyplot\n" |
|
105 | 105 | ) in user_ns |
|
106 | 106 | |
|
107 | 107 | if shell is not None: |
|
108 | 108 | # If using our svg payload backend, register the post-execution |
|
109 | 109 | # function that will pick up the results for display. This can only be |
|
110 | 110 | # done with access to the real shell object. |
|
111 |
if backend == backends[' |
|
|
112 |
from IPython.zmq.pylab.backend_ |
|
|
111 | if backend == backends['inline']: | |
|
112 | from IPython.zmq.pylab.backend_inline import flush_svg | |
|
113 | 113 | shell.register_post_execute(flush_svg) |
|
114 | 114 | else: |
|
115 |
from IPython.zmq.pylab.backend_ |
|
|
115 | from IPython.zmq.pylab.backend_inline import paste | |
|
116 | 116 | from matplotlib import pyplot |
|
117 | 117 | # Add 'paste' to pyplot and to the user's namespace |
|
118 | 118 | user_ns['paste'] = pyplot.paste = paste |
|
119 | 119 | |
|
120 | 120 | if import_all: |
|
121 | 121 | exec("from matplotlib.pylab import *\n" |
|
122 | 122 | "from numpy import *\n") in user_ns |
|
123 | 123 | |
|
124 | 124 | |
|
125 | 125 | def pylab_activate(user_ns, gui=None, import_all=True): |
|
126 | 126 | """Activate pylab mode in the user's namespace. |
|
127 | 127 | |
|
128 | 128 | Loads and initializes numpy, matplotlib and friends for interactive use. |
|
129 | 129 | |
|
130 | 130 | Parameters |
|
131 | 131 | ---------- |
|
132 | 132 | user_ns : dict |
|
133 | 133 | Namespace where the imports will occur. |
|
134 | 134 | |
|
135 | 135 | gui : optional, string |
|
136 | 136 | A valid gui name following the conventions of the %gui magic. |
|
137 | 137 | |
|
138 | 138 | import_all : optional, boolean |
|
139 | 139 | If true, an 'import *' is done from numpy and pylab. |
|
140 | 140 | |
|
141 | 141 | Returns |
|
142 | 142 | ------- |
|
143 | 143 | The actual gui used (if not given as input, it was obtained from matplotlib |
|
144 | 144 | itself, and will be needed next to configure IPython's gui integration. |
|
145 | 145 | """ |
|
146 | 146 | gui, backend = find_gui_and_backend(gui) |
|
147 | 147 | activate_matplotlib(backend) |
|
148 | 148 | import_pylab(user_ns, backend) |
|
149 | 149 | |
|
150 | 150 | print """ |
|
151 | 151 | Welcome to pylab, a matplotlib-based Python environment [backend: %s]. |
|
152 | 152 | For more information, type 'help(pylab)'.""" % backend |
|
153 | 153 | |
|
154 | 154 | return gui |
|
155 | 155 | |
|
156 | 156 | # We need a little factory function here to create the closure where |
|
157 | 157 | # safe_execfile can live. |
|
158 | 158 | def mpl_runner(safe_execfile): |
|
159 | 159 | """Factory to return a matplotlib-enabled runner for %run. |
|
160 | 160 | |
|
161 | 161 | Parameters |
|
162 | 162 | ---------- |
|
163 | 163 | safe_execfile : function |
|
164 | 164 | This must be a function with the same interface as the |
|
165 | 165 | :meth:`safe_execfile` method of IPython. |
|
166 | 166 | |
|
167 | 167 | Returns |
|
168 | 168 | ------- |
|
169 | 169 | A function suitable for use as the ``runner`` argument of the %run magic |
|
170 | 170 | function. |
|
171 | 171 | """ |
|
172 | 172 | |
|
173 | 173 | def mpl_execfile(fname,*where,**kw): |
|
174 | 174 | """matplotlib-aware wrapper around safe_execfile. |
|
175 | 175 | |
|
176 | 176 | Its interface is identical to that of the :func:`execfile` builtin. |
|
177 | 177 | |
|
178 | 178 | This is ultimately a call to execfile(), but wrapped in safeties to |
|
179 | 179 | properly handle interactive rendering.""" |
|
180 | 180 | |
|
181 | 181 | import matplotlib |
|
182 | 182 | import matplotlib.pylab as pylab |
|
183 | 183 | |
|
184 | 184 | #print '*** Matplotlib runner ***' # dbg |
|
185 | 185 | # turn off rendering until end of script |
|
186 | 186 | is_interactive = matplotlib.rcParams['interactive'] |
|
187 | 187 | matplotlib.interactive(False) |
|
188 | 188 | safe_execfile(fname,*where,**kw) |
|
189 | 189 | matplotlib.interactive(is_interactive) |
|
190 | 190 | # make rendering call now, if the user tried to do it |
|
191 | 191 | if pylab.draw_if_interactive.called: |
|
192 | 192 | pylab.draw() |
|
193 | 193 | pylab.draw_if_interactive.called = False |
|
194 | 194 | |
|
195 | 195 | return mpl_execfile |
|
196 | 196 |
@@ -1,586 +1,586 | |||
|
1 | 1 | #!/usr/bin/env python |
|
2 | 2 | """A simple interactive kernel that talks to a frontend over 0MQ. |
|
3 | 3 | |
|
4 | 4 | Things to do: |
|
5 | 5 | |
|
6 | 6 | * Implement `set_parent` logic. Right before doing exec, the Kernel should |
|
7 | 7 | call set_parent on all the PUB objects with the message about to be executed. |
|
8 | 8 | * Implement random port and security key logic. |
|
9 | 9 | * Implement control messages. |
|
10 | 10 | * Implement event loop and poll version. |
|
11 | 11 | """ |
|
12 | 12 | |
|
13 | 13 | #----------------------------------------------------------------------------- |
|
14 | 14 | # Imports |
|
15 | 15 | #----------------------------------------------------------------------------- |
|
16 | 16 | from __future__ import print_function |
|
17 | 17 | |
|
18 | 18 | # Standard library imports. |
|
19 | 19 | import __builtin__ |
|
20 | 20 | import atexit |
|
21 | 21 | import sys |
|
22 | 22 | import time |
|
23 | 23 | import traceback |
|
24 | 24 | |
|
25 | 25 | # System library imports. |
|
26 | 26 | import zmq |
|
27 | 27 | |
|
28 | 28 | # Local imports. |
|
29 | 29 | from IPython.config.configurable import Configurable |
|
30 | 30 | from IPython.utils import io |
|
31 | 31 | from IPython.utils.jsonutil import json_clean |
|
32 | 32 | from IPython.lib import pylabtools |
|
33 | 33 | from IPython.utils.traitlets import Instance, Float |
|
34 | 34 | from entry_point import (base_launch_kernel, make_argument_parser, make_kernel, |
|
35 | 35 | start_kernel) |
|
36 | 36 | from iostream import OutStream |
|
37 | 37 | from session import Session, Message |
|
38 | 38 | from zmqshell import ZMQInteractiveShell |
|
39 | 39 | |
|
40 | 40 | #----------------------------------------------------------------------------- |
|
41 | 41 | # Main kernel class |
|
42 | 42 | #----------------------------------------------------------------------------- |
|
43 | 43 | |
|
44 | 44 | class Kernel(Configurable): |
|
45 | 45 | |
|
46 | 46 | #--------------------------------------------------------------------------- |
|
47 | 47 | # Kernel interface |
|
48 | 48 | #--------------------------------------------------------------------------- |
|
49 | 49 | |
|
50 | 50 | shell = Instance('IPython.core.interactiveshell.InteractiveShellABC') |
|
51 | 51 | session = Instance(Session) |
|
52 | 52 | reply_socket = Instance('zmq.Socket') |
|
53 | 53 | pub_socket = Instance('zmq.Socket') |
|
54 | 54 | req_socket = Instance('zmq.Socket') |
|
55 | 55 | |
|
56 | 56 | # Private interface |
|
57 | 57 | |
|
58 | 58 | # Time to sleep after flushing the stdout/err buffers in each execute |
|
59 | 59 | # cycle. While this introduces a hard limit on the minimal latency of the |
|
60 | 60 | # execute cycle, it helps prevent output synchronization problems for |
|
61 | 61 | # clients. |
|
62 | 62 | # Units are in seconds. The minimum zmq latency on local host is probably |
|
63 | 63 | # ~150 microseconds, set this to 500us for now. We may need to increase it |
|
64 | 64 | # a little if it's not enough after more interactive testing. |
|
65 | 65 | _execute_sleep = Float(0.0005, config=True) |
|
66 | 66 | |
|
67 | 67 | # Frequency of the kernel's event loop. |
|
68 | 68 | # Units are in seconds, kernel subclasses for GUI toolkits may need to |
|
69 | 69 | # adapt to milliseconds. |
|
70 | 70 | _poll_interval = Float(0.05, config=True) |
|
71 | 71 | |
|
72 | 72 | # If the shutdown was requested over the network, we leave here the |
|
73 | 73 | # necessary reply message so it can be sent by our registered atexit |
|
74 | 74 | # handler. This ensures that the reply is only sent to clients truly at |
|
75 | 75 | # the end of our shutdown process (which happens after the underlying |
|
76 | 76 | # IPython shell's own shutdown). |
|
77 | 77 | _shutdown_message = None |
|
78 | 78 | |
|
79 | 79 | def __init__(self, **kwargs): |
|
80 | 80 | super(Kernel, self).__init__(**kwargs) |
|
81 | 81 | |
|
82 | 82 | # Before we even start up the shell, register *first* our exit handlers |
|
83 | 83 | # so they come before the shell's |
|
84 | 84 | atexit.register(self._at_shutdown) |
|
85 | 85 | |
|
86 | 86 | # Initialize the InteractiveShell subclass |
|
87 | 87 | self.shell = ZMQInteractiveShell.instance() |
|
88 | 88 | self.shell.displayhook.session = self.session |
|
89 | 89 | self.shell.displayhook.pub_socket = self.pub_socket |
|
90 | 90 | |
|
91 | 91 | # TMP - hack while developing |
|
92 | 92 | self.shell._reply_content = None |
|
93 | 93 | |
|
94 | 94 | # Build dict of handlers for message types |
|
95 | 95 | msg_types = [ 'execute_request', 'complete_request', |
|
96 | 96 | 'object_info_request', 'history_request', |
|
97 | 97 | 'shutdown_request'] |
|
98 | 98 | self.handlers = {} |
|
99 | 99 | for msg_type in msg_types: |
|
100 | 100 | self.handlers[msg_type] = getattr(self, msg_type) |
|
101 | 101 | |
|
102 | 102 | def do_one_iteration(self): |
|
103 | 103 | """Do one iteration of the kernel's evaluation loop. |
|
104 | 104 | """ |
|
105 | 105 | try: |
|
106 | 106 | ident = self.reply_socket.recv(zmq.NOBLOCK) |
|
107 | 107 | except zmq.ZMQError, e: |
|
108 | 108 | if e.errno == zmq.EAGAIN: |
|
109 | 109 | return |
|
110 | 110 | else: |
|
111 | 111 | raise |
|
112 | 112 | # FIXME: Bug in pyzmq/zmq? |
|
113 | 113 | # assert self.reply_socket.rcvmore(), "Missing message part." |
|
114 | 114 | msg = self.reply_socket.recv_json() |
|
115 | 115 | |
|
116 | 116 | # Print some info about this message and leave a '--->' marker, so it's |
|
117 | 117 | # easier to trace visually the message chain when debugging. Each |
|
118 | 118 | # handler prints its message at the end. |
|
119 | 119 | # Eventually we'll move these from stdout to a logger. |
|
120 | 120 | io.raw_print('\n*** MESSAGE TYPE:', msg['msg_type'], '***') |
|
121 | 121 | io.raw_print(' Content: ', msg['content'], |
|
122 | 122 | '\n --->\n ', sep='', end='') |
|
123 | 123 | |
|
124 | 124 | # Find and call actual handler for message |
|
125 | 125 | handler = self.handlers.get(msg['msg_type'], None) |
|
126 | 126 | if handler is None: |
|
127 | 127 | io.raw_print_err("UNKNOWN MESSAGE TYPE:", msg) |
|
128 | 128 | else: |
|
129 | 129 | handler(ident, msg) |
|
130 | 130 | |
|
131 | 131 | # Check whether we should exit, in case the incoming message set the |
|
132 | 132 | # exit flag on |
|
133 | 133 | if self.shell.exit_now: |
|
134 | 134 | io.raw_print('\nExiting IPython kernel...') |
|
135 | 135 | # We do a normal, clean exit, which allows any actions registered |
|
136 | 136 | # via atexit (such as history saving) to take place. |
|
137 | 137 | sys.exit(0) |
|
138 | 138 | |
|
139 | 139 | |
|
140 | 140 | def start(self): |
|
141 | 141 | """ Start the kernel main loop. |
|
142 | 142 | """ |
|
143 | 143 | while True: |
|
144 | 144 | time.sleep(self._poll_interval) |
|
145 | 145 | self.do_one_iteration() |
|
146 | 146 | |
|
147 | 147 | #--------------------------------------------------------------------------- |
|
148 | 148 | # Kernel request handlers |
|
149 | 149 | #--------------------------------------------------------------------------- |
|
150 | 150 | |
|
151 | 151 | def _publish_pyin(self, code, parent): |
|
152 | 152 | """Publish the code request on the pyin stream.""" |
|
153 | 153 | |
|
154 | 154 | pyin_msg = self.session.msg(u'pyin',{u'code':code}, parent=parent) |
|
155 | 155 | self.pub_socket.send_json(pyin_msg) |
|
156 | 156 | |
|
157 | 157 | def execute_request(self, ident, parent): |
|
158 | 158 | try: |
|
159 | 159 | content = parent[u'content'] |
|
160 | 160 | code = content[u'code'] |
|
161 | 161 | silent = content[u'silent'] |
|
162 | 162 | except: |
|
163 | 163 | io.raw_print_err("Got bad msg: ") |
|
164 | 164 | io.raw_print_err(Message(parent)) |
|
165 | 165 | return |
|
166 | 166 | |
|
167 | 167 | shell = self.shell # we'll need this a lot here |
|
168 | 168 | |
|
169 | 169 | # Replace raw_input. Note that is not sufficient to replace |
|
170 | 170 | # raw_input in the user namespace. |
|
171 | 171 | raw_input = lambda prompt='': self._raw_input(prompt, ident, parent) |
|
172 | 172 | __builtin__.raw_input = raw_input |
|
173 | 173 | |
|
174 | 174 | # Set the parent message of the display hook and out streams. |
|
175 | 175 | shell.displayhook.set_parent(parent) |
|
176 | 176 | sys.stdout.set_parent(parent) |
|
177 | 177 | sys.stderr.set_parent(parent) |
|
178 | 178 | |
|
179 | 179 | # Re-broadcast our input for the benefit of listening clients, and |
|
180 | 180 | # start computing output |
|
181 | 181 | if not silent: |
|
182 | 182 | self._publish_pyin(code, parent) |
|
183 | 183 | |
|
184 | 184 | reply_content = {} |
|
185 | 185 | try: |
|
186 | 186 | if silent: |
|
187 | 187 | # runcode uses 'exec' mode, so no displayhook will fire, and it |
|
188 | 188 | # doesn't call logging or history manipulations. Print |
|
189 | 189 | # statements in that code will obviously still execute. |
|
190 | 190 | shell.runcode(code) |
|
191 | 191 | else: |
|
192 | 192 | # FIXME: runlines calls the exception handler itself. |
|
193 | 193 | shell._reply_content = None |
|
194 | 194 | |
|
195 | 195 | # For now leave this here until we're sure we can stop using it |
|
196 | 196 | #shell.runlines(code) |
|
197 | 197 | |
|
198 | 198 | # Experimental: cell mode! Test more before turning into |
|
199 | 199 | # default and removing the hacks around runlines. |
|
200 | 200 | shell.run_cell(code) |
|
201 | 201 | except: |
|
202 | 202 | status = u'error' |
|
203 | 203 | # FIXME: this code right now isn't being used yet by default, |
|
204 | 204 | # because the runlines() call above directly fires off exception |
|
205 | 205 | # reporting. This code, therefore, is only active in the scenario |
|
206 | 206 | # where runlines itself has an unhandled exception. We need to |
|
207 | 207 | # uniformize this, for all exception construction to come from a |
|
208 | 208 | # single location in the codbase. |
|
209 | 209 | etype, evalue, tb = sys.exc_info() |
|
210 | 210 | tb_list = traceback.format_exception(etype, evalue, tb) |
|
211 | 211 | reply_content.update(shell._showtraceback(etype, evalue, tb_list)) |
|
212 | 212 | else: |
|
213 | 213 | status = u'ok' |
|
214 | 214 | |
|
215 | 215 | reply_content[u'status'] = status |
|
216 | 216 | # Compute the execution counter so clients can display prompts |
|
217 | 217 | reply_content['execution_count'] = shell.displayhook.prompt_count |
|
218 | 218 | |
|
219 | 219 | # FIXME - fish exception info out of shell, possibly left there by |
|
220 | 220 | # runlines. We'll need to clean up this logic later. |
|
221 | 221 | if shell._reply_content is not None: |
|
222 | 222 | reply_content.update(shell._reply_content) |
|
223 | 223 | |
|
224 | 224 | # At this point, we can tell whether the main code execution succeeded |
|
225 | 225 | # or not. If it did, we proceed to evaluate user_variables/expressions |
|
226 | 226 | if reply_content['status'] == 'ok': |
|
227 | 227 | reply_content[u'user_variables'] = \ |
|
228 | 228 | shell.get_user_variables(content[u'user_variables']) |
|
229 | 229 | reply_content[u'user_expressions'] = \ |
|
230 | 230 | shell.eval_expressions(content[u'user_expressions']) |
|
231 | 231 | else: |
|
232 | 232 | # If there was an error, don't even try to compute variables or |
|
233 | 233 | # expressions |
|
234 | 234 | reply_content[u'user_variables'] = {} |
|
235 | 235 | reply_content[u'user_expressions'] = {} |
|
236 | 236 | |
|
237 | 237 | # Payloads should be retrieved regardless of outcome, so we can both |
|
238 | 238 | # recover partial output (that could have been generated early in a |
|
239 | 239 | # block, before an error) and clear the payload system always. |
|
240 | 240 | reply_content[u'payload'] = shell.payload_manager.read_payload() |
|
241 | 241 | # Be agressive about clearing the payload because we don't want |
|
242 | 242 | # it to sit in memory until the next execute_request comes in. |
|
243 | 243 | shell.payload_manager.clear_payload() |
|
244 | 244 | |
|
245 | 245 | # Send the reply. |
|
246 | 246 | reply_msg = self.session.msg(u'execute_reply', reply_content, parent) |
|
247 | 247 | io.raw_print(reply_msg) |
|
248 | 248 | |
|
249 | 249 | # Flush output before sending the reply. |
|
250 | 250 | sys.stdout.flush() |
|
251 | 251 | sys.stderr.flush() |
|
252 | 252 | # FIXME: on rare occasions, the flush doesn't seem to make it to the |
|
253 | 253 | # clients... This seems to mitigate the problem, but we definitely need |
|
254 | 254 | # to better understand what's going on. |
|
255 | 255 | if self._execute_sleep: |
|
256 | 256 | time.sleep(self._execute_sleep) |
|
257 | 257 | |
|
258 | 258 | self.reply_socket.send(ident, zmq.SNDMORE) |
|
259 | 259 | self.reply_socket.send_json(reply_msg) |
|
260 | 260 | if reply_msg['content']['status'] == u'error': |
|
261 | 261 | self._abort_queue() |
|
262 | 262 | |
|
263 | 263 | def complete_request(self, ident, parent): |
|
264 | 264 | txt, matches = self._complete(parent) |
|
265 | 265 | matches = {'matches' : matches, |
|
266 | 266 | 'matched_text' : txt, |
|
267 | 267 | 'status' : 'ok'} |
|
268 | 268 | completion_msg = self.session.send(self.reply_socket, 'complete_reply', |
|
269 | 269 | matches, parent, ident) |
|
270 | 270 | io.raw_print(completion_msg) |
|
271 | 271 | |
|
272 | 272 | def object_info_request(self, ident, parent): |
|
273 | 273 | object_info = self.shell.object_inspect(parent['content']['oname']) |
|
274 | 274 | # Before we send this object over, we turn it into a dict and we scrub |
|
275 | 275 | # it for JSON usage |
|
276 | 276 | oinfo = json_clean(object_info._asdict()) |
|
277 | 277 | msg = self.session.send(self.reply_socket, 'object_info_reply', |
|
278 | 278 | oinfo, parent, ident) |
|
279 | 279 | io.raw_print(msg) |
|
280 | 280 | |
|
281 | 281 | def history_request(self, ident, parent): |
|
282 | 282 | output = parent['content']['output'] |
|
283 | 283 | index = parent['content']['index'] |
|
284 | 284 | raw = parent['content']['raw'] |
|
285 | 285 | hist = self.shell.get_history(index=index, raw=raw, output=output) |
|
286 | 286 | content = {'history' : hist} |
|
287 | 287 | msg = self.session.send(self.reply_socket, 'history_reply', |
|
288 | 288 | content, parent, ident) |
|
289 | 289 | io.raw_print(msg) |
|
290 | 290 | |
|
291 | 291 | def shutdown_request(self, ident, parent): |
|
292 | 292 | self.shell.exit_now = True |
|
293 | 293 | self._shutdown_message = self.session.msg(u'shutdown_reply', {}, parent) |
|
294 | 294 | sys.exit(0) |
|
295 | 295 | |
|
296 | 296 | #--------------------------------------------------------------------------- |
|
297 | 297 | # Protected interface |
|
298 | 298 | #--------------------------------------------------------------------------- |
|
299 | 299 | |
|
300 | 300 | def _abort_queue(self): |
|
301 | 301 | while True: |
|
302 | 302 | try: |
|
303 | 303 | ident = self.reply_socket.recv(zmq.NOBLOCK) |
|
304 | 304 | except zmq.ZMQError, e: |
|
305 | 305 | if e.errno == zmq.EAGAIN: |
|
306 | 306 | break |
|
307 | 307 | else: |
|
308 | 308 | assert self.reply_socket.rcvmore(), \ |
|
309 | 309 | "Unexpected missing message part." |
|
310 | 310 | msg = self.reply_socket.recv_json() |
|
311 | 311 | io.raw_print("Aborting:\n", Message(msg)) |
|
312 | 312 | msg_type = msg['msg_type'] |
|
313 | 313 | reply_type = msg_type.split('_')[0] + '_reply' |
|
314 | 314 | reply_msg = self.session.msg(reply_type, {'status' : 'aborted'}, msg) |
|
315 | 315 | io.raw_print(reply_msg) |
|
316 | 316 | self.reply_socket.send(ident,zmq.SNDMORE) |
|
317 | 317 | self.reply_socket.send_json(reply_msg) |
|
318 | 318 | # We need to wait a bit for requests to come in. This can probably |
|
319 | 319 | # be set shorter for true asynchronous clients. |
|
320 | 320 | time.sleep(0.1) |
|
321 | 321 | |
|
322 | 322 | def _raw_input(self, prompt, ident, parent): |
|
323 | 323 | # Flush output before making the request. |
|
324 | 324 | sys.stderr.flush() |
|
325 | 325 | sys.stdout.flush() |
|
326 | 326 | |
|
327 | 327 | # Send the input request. |
|
328 | 328 | content = dict(prompt=prompt) |
|
329 | 329 | msg = self.session.msg(u'input_request', content, parent) |
|
330 | 330 | self.req_socket.send_json(msg) |
|
331 | 331 | |
|
332 | 332 | # Await a response. |
|
333 | 333 | reply = self.req_socket.recv_json() |
|
334 | 334 | try: |
|
335 | 335 | value = reply['content']['value'] |
|
336 | 336 | except: |
|
337 | 337 | io.raw_print_err("Got bad raw_input reply: ") |
|
338 | 338 | io.raw_print_err(Message(parent)) |
|
339 | 339 | value = '' |
|
340 | 340 | return value |
|
341 | 341 | |
|
342 | 342 | def _complete(self, msg): |
|
343 | 343 | c = msg['content'] |
|
344 | 344 | try: |
|
345 | 345 | cpos = int(c['cursor_pos']) |
|
346 | 346 | except: |
|
347 | 347 | # If we don't get something that we can convert to an integer, at |
|
348 | 348 | # least attempt the completion guessing the cursor is at the end of |
|
349 | 349 | # the text, if there's any, and otherwise of the line |
|
350 | 350 | cpos = len(c['text']) |
|
351 | 351 | if cpos==0: |
|
352 | 352 | cpos = len(c['line']) |
|
353 | 353 | return self.shell.complete(c['text'], c['line'], cpos) |
|
354 | 354 | |
|
355 | 355 | def _object_info(self, context): |
|
356 | 356 | symbol, leftover = self._symbol_from_context(context) |
|
357 | 357 | if symbol is not None and not leftover: |
|
358 | 358 | doc = getattr(symbol, '__doc__', '') |
|
359 | 359 | else: |
|
360 | 360 | doc = '' |
|
361 | 361 | object_info = dict(docstring = doc) |
|
362 | 362 | return object_info |
|
363 | 363 | |
|
364 | 364 | def _symbol_from_context(self, context): |
|
365 | 365 | if not context: |
|
366 | 366 | return None, context |
|
367 | 367 | |
|
368 | 368 | base_symbol_string = context[0] |
|
369 | 369 | symbol = self.shell.user_ns.get(base_symbol_string, None) |
|
370 | 370 | if symbol is None: |
|
371 | 371 | symbol = __builtin__.__dict__.get(base_symbol_string, None) |
|
372 | 372 | if symbol is None: |
|
373 | 373 | return None, context |
|
374 | 374 | |
|
375 | 375 | context = context[1:] |
|
376 | 376 | for i, name in enumerate(context): |
|
377 | 377 | new_symbol = getattr(symbol, name, None) |
|
378 | 378 | if new_symbol is None: |
|
379 | 379 | return symbol, context[i:] |
|
380 | 380 | else: |
|
381 | 381 | symbol = new_symbol |
|
382 | 382 | |
|
383 | 383 | return symbol, [] |
|
384 | 384 | |
|
385 | 385 | def _at_shutdown(self): |
|
386 | 386 | """Actions taken at shutdown by the kernel, called by python's atexit. |
|
387 | 387 | """ |
|
388 | 388 | # io.rprint("Kernel at_shutdown") # dbg |
|
389 | 389 | if self._shutdown_message is not None: |
|
390 | 390 | self.reply_socket.send_json(self._shutdown_message) |
|
391 | 391 | io.raw_print(self._shutdown_message) |
|
392 | 392 | # A very short sleep to give zmq time to flush its message buffers |
|
393 | 393 | # before Python truly shuts down. |
|
394 | 394 | time.sleep(0.01) |
|
395 | 395 | |
|
396 | 396 | |
|
397 | 397 | class QtKernel(Kernel): |
|
398 | 398 | """A Kernel subclass with Qt support.""" |
|
399 | 399 | |
|
400 | 400 | def start(self): |
|
401 | 401 | """Start a kernel with QtPy4 event loop integration.""" |
|
402 | 402 | |
|
403 | 403 | from PyQt4 import QtCore |
|
404 | 404 | from IPython.lib.guisupport import get_app_qt4, start_event_loop_qt4 |
|
405 | 405 | |
|
406 | 406 | self.app = get_app_qt4([" "]) |
|
407 | 407 | self.app.setQuitOnLastWindowClosed(False) |
|
408 | 408 | self.timer = QtCore.QTimer() |
|
409 | 409 | self.timer.timeout.connect(self.do_one_iteration) |
|
410 | 410 | # Units for the timer are in milliseconds |
|
411 | 411 | self.timer.start(1000*self._poll_interval) |
|
412 | 412 | start_event_loop_qt4(self.app) |
|
413 | 413 | |
|
414 | 414 | |
|
415 | 415 | class WxKernel(Kernel): |
|
416 | 416 | """A Kernel subclass with Wx support.""" |
|
417 | 417 | |
|
418 | 418 | def start(self): |
|
419 | 419 | """Start a kernel with wx event loop support.""" |
|
420 | 420 | |
|
421 | 421 | import wx |
|
422 | 422 | from IPython.lib.guisupport import start_event_loop_wx |
|
423 | 423 | |
|
424 | 424 | doi = self.do_one_iteration |
|
425 | 425 | # Wx uses milliseconds |
|
426 | 426 | poll_interval = int(1000*self._poll_interval) |
|
427 | 427 | |
|
428 | 428 | # We have to put the wx.Timer in a wx.Frame for it to fire properly. |
|
429 | 429 | # We make the Frame hidden when we create it in the main app below. |
|
430 | 430 | class TimerFrame(wx.Frame): |
|
431 | 431 | def __init__(self, func): |
|
432 | 432 | wx.Frame.__init__(self, None, -1) |
|
433 | 433 | self.timer = wx.Timer(self) |
|
434 | 434 | # Units for the timer are in milliseconds |
|
435 | 435 | self.timer.Start(poll_interval) |
|
436 | 436 | self.Bind(wx.EVT_TIMER, self.on_timer) |
|
437 | 437 | self.func = func |
|
438 | 438 | |
|
439 | 439 | def on_timer(self, event): |
|
440 | 440 | self.func() |
|
441 | 441 | |
|
442 | 442 | # We need a custom wx.App to create our Frame subclass that has the |
|
443 | 443 | # wx.Timer to drive the ZMQ event loop. |
|
444 | 444 | class IPWxApp(wx.App): |
|
445 | 445 | def OnInit(self): |
|
446 | 446 | self.frame = TimerFrame(doi) |
|
447 | 447 | self.frame.Show(False) |
|
448 | 448 | return True |
|
449 | 449 | |
|
450 | 450 | # The redirect=False here makes sure that wx doesn't replace |
|
451 | 451 | # sys.stdout/stderr with its own classes. |
|
452 | 452 | self.app = IPWxApp(redirect=False) |
|
453 | 453 | start_event_loop_wx(self.app) |
|
454 | 454 | |
|
455 | 455 | |
|
456 | 456 | class TkKernel(Kernel): |
|
457 | 457 | """A Kernel subclass with Tk support.""" |
|
458 | 458 | |
|
459 | 459 | def start(self): |
|
460 | 460 | """Start a Tk enabled event loop.""" |
|
461 | 461 | |
|
462 | 462 | import Tkinter |
|
463 | 463 | doi = self.do_one_iteration |
|
464 | 464 | # Tk uses milliseconds |
|
465 | 465 | poll_interval = int(1000*self._poll_interval) |
|
466 | 466 | # For Tkinter, we create a Tk object and call its withdraw method. |
|
467 | 467 | class Timer(object): |
|
468 | 468 | def __init__(self, func): |
|
469 | 469 | self.app = Tkinter.Tk() |
|
470 | 470 | self.app.withdraw() |
|
471 | 471 | self.func = func |
|
472 | 472 | |
|
473 | 473 | def on_timer(self): |
|
474 | 474 | self.func() |
|
475 | 475 | self.app.after(poll_interval, self.on_timer) |
|
476 | 476 | |
|
477 | 477 | def start(self): |
|
478 | 478 | self.on_timer() # Call it once to get things going. |
|
479 | 479 | self.app.mainloop() |
|
480 | 480 | |
|
481 | 481 | self.timer = Timer(doi) |
|
482 | 482 | self.timer.start() |
|
483 | 483 | |
|
484 | 484 | |
|
485 | 485 | class GTKKernel(Kernel): |
|
486 | 486 | """A Kernel subclass with GTK support.""" |
|
487 | 487 | |
|
488 | 488 | def start(self): |
|
489 | 489 | """Start the kernel, coordinating with the GTK event loop""" |
|
490 | 490 | from .gui.gtkembed import GTKEmbed |
|
491 | 491 | |
|
492 | 492 | gtk_kernel = GTKEmbed(self) |
|
493 | 493 | gtk_kernel.start() |
|
494 | 494 | |
|
495 | 495 | |
|
496 | 496 | #----------------------------------------------------------------------------- |
|
497 | 497 | # Kernel main and launch functions |
|
498 | 498 | #----------------------------------------------------------------------------- |
|
499 | 499 | |
|
500 | 500 | def launch_kernel(xrep_port=0, pub_port=0, req_port=0, hb_port=0, |
|
501 | 501 | independent=False, pylab=False): |
|
502 | 502 | """Launches a localhost kernel, binding to the specified ports. |
|
503 | 503 | |
|
504 | 504 | Parameters |
|
505 | 505 | ---------- |
|
506 | 506 | xrep_port : int, optional |
|
507 | 507 | The port to use for XREP channel. |
|
508 | 508 | |
|
509 | 509 | pub_port : int, optional |
|
510 | 510 | The port to use for the SUB channel. |
|
511 | 511 | |
|
512 | 512 | req_port : int, optional |
|
513 | 513 | The port to use for the REQ (raw input) channel. |
|
514 | 514 | |
|
515 | 515 | hb_port : int, optional |
|
516 | 516 | The port to use for the hearbeat REP channel. |
|
517 | 517 | |
|
518 | 518 | independent : bool, optional (default False) |
|
519 | 519 | If set, the kernel process is guaranteed to survive if this process |
|
520 | 520 | dies. If not set, an effort is made to ensure that the kernel is killed |
|
521 | 521 | when this process dies. Note that in this case it is still good practice |
|
522 | 522 | to kill kernels manually before exiting. |
|
523 | 523 | |
|
524 | 524 | pylab : bool or string, optional (default False) |
|
525 | 525 | If not False, the kernel will be launched with pylab enabled. If a |
|
526 | 526 | string is passed, matplotlib will use the specified backend. Otherwise, |
|
527 | 527 | matplotlib's default backend will be used. |
|
528 | 528 | |
|
529 | 529 | Returns |
|
530 | 530 | ------- |
|
531 | 531 | A tuple of form: |
|
532 | 532 | (kernel_process, xrep_port, pub_port, req_port) |
|
533 | 533 | where kernel_process is a Popen object and the ports are integers. |
|
534 | 534 | """ |
|
535 | 535 | extra_arguments = [] |
|
536 | 536 | if pylab: |
|
537 | 537 | extra_arguments.append('--pylab') |
|
538 | 538 | if isinstance(pylab, basestring): |
|
539 | 539 | extra_arguments.append(pylab) |
|
540 | 540 | return base_launch_kernel('from IPython.zmq.ipkernel import main; main()', |
|
541 | 541 | xrep_port, pub_port, req_port, hb_port, |
|
542 | 542 | independent, extra_arguments) |
|
543 | 543 | |
|
544 | 544 | |
|
545 | 545 | def main(): |
|
546 | 546 | """ The IPython kernel main entry point. |
|
547 | 547 | """ |
|
548 | 548 | parser = make_argument_parser() |
|
549 | 549 | parser.add_argument('--pylab', type=str, metavar='GUI', nargs='?', |
|
550 | 550 | const='auto', help = \ |
|
551 | 551 | "Pre-load matplotlib and numpy for interactive use. If GUI is not \ |
|
552 | 552 | given, the GUI backend is matplotlib's, otherwise use one of: \ |
|
553 |
['tk', 'gtk', 'qt', 'wx', ' |
|
|
553 | ['tk', 'gtk', 'qt', 'wx', 'inline'].") | |
|
554 | 554 | namespace = parser.parse_args() |
|
555 | 555 | |
|
556 | 556 | kernel_class = Kernel |
|
557 | 557 | |
|
558 | 558 | kernel_classes = { |
|
559 | 559 | 'qt' : QtKernel, |
|
560 | 560 | 'qt4': QtKernel, |
|
561 |
' |
|
|
561 | 'inline': Kernel, | |
|
562 | 562 | 'wx' : WxKernel, |
|
563 | 563 | 'tk' : TkKernel, |
|
564 | 564 | 'gtk': GTKKernel, |
|
565 | 565 | } |
|
566 | 566 | if namespace.pylab: |
|
567 | 567 | if namespace.pylab == 'auto': |
|
568 | 568 | gui, backend = pylabtools.find_gui_and_backend() |
|
569 | 569 | else: |
|
570 | 570 | gui, backend = pylabtools.find_gui_and_backend(namespace.pylab) |
|
571 | 571 | kernel_class = kernel_classes.get(gui) |
|
572 | 572 | if kernel_class is None: |
|
573 | 573 | raise ValueError('GUI is not supported: %r' % gui) |
|
574 | 574 | pylabtools.activate_matplotlib(backend) |
|
575 | 575 | |
|
576 | 576 | kernel = make_kernel(namespace, kernel_class, OutStream) |
|
577 | 577 | |
|
578 | 578 | if namespace.pylab: |
|
579 | 579 | pylabtools.import_pylab(kernel.shell.user_ns, backend, |
|
580 | 580 | shell=kernel.shell) |
|
581 | 581 | |
|
582 | 582 | start_kernel(namespace, kernel) |
|
583 | 583 | |
|
584 | 584 | |
|
585 | 585 | if __name__ == '__main__': |
|
586 | 586 | main() |
|
1 | NO CONTENT: file renamed from IPython/zmq/pylab/backend_payload_svg.py to IPython/zmq/pylab/backend_inline.py |
General Comments 0
You need to be logged in to leave comments.
Login now