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@@ -1,59 +1,59 | |||||
1 | #----------------------------------------------------------------------------- |
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1 | #----------------------------------------------------------------------------- | |
2 | # Imports |
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2 | # Imports | |
3 | #----------------------------------------------------------------------------- |
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3 | #----------------------------------------------------------------------------- | |
4 |
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4 | |||
5 | import subprocess |
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5 | import subprocess | |
6 | import sys |
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6 | import sys | |
7 |
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7 | |||
8 | from IPython.lib.kernel import connect_qtconsole |
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8 | from IPython.lib.kernel import connect_qtconsole | |
9 |
from IPython.kernel.zmq. |
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9 | from IPython.kernel.zmq.kernelapp import IPKernelApp | |
10 |
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10 | |||
11 | #----------------------------------------------------------------------------- |
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11 | #----------------------------------------------------------------------------- | |
12 | # Functions and classes |
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12 | # Functions and classes | |
13 | #----------------------------------------------------------------------------- |
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13 | #----------------------------------------------------------------------------- | |
14 | def pylab_kernel(gui): |
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14 | def pylab_kernel(gui): | |
15 | """Launch and return an IPython kernel with pylab support for the desired gui |
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15 | """Launch and return an IPython kernel with pylab support for the desired gui | |
16 | """ |
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16 | """ | |
17 | kernel = IPKernelApp.instance() |
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17 | kernel = IPKernelApp.instance() | |
18 | kernel.initialize(['python', '--pylab=%s' % gui, |
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18 | kernel.initialize(['python', '--pylab=%s' % gui, | |
19 | #'--log-level=10' |
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19 | #'--log-level=10' | |
20 | ]) |
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20 | ]) | |
21 | return kernel |
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21 | return kernel | |
22 |
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22 | |||
23 |
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23 | |||
24 | class InternalIPKernel(object): |
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24 | class InternalIPKernel(object): | |
25 |
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25 | |||
26 | def init_ipkernel(self, backend): |
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26 | def init_ipkernel(self, backend): | |
27 | # Start IPython kernel with GUI event loop and pylab support |
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27 | # Start IPython kernel with GUI event loop and pylab support | |
28 | self.ipkernel = pylab_kernel(backend) |
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28 | self.ipkernel = pylab_kernel(backend) | |
29 | # To create and track active qt consoles |
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29 | # To create and track active qt consoles | |
30 | self.consoles = [] |
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30 | self.consoles = [] | |
31 |
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31 | |||
32 | # This application will also act on the shell user namespace |
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32 | # This application will also act on the shell user namespace | |
33 | self.namespace = self.ipkernel.shell.user_ns |
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33 | self.namespace = self.ipkernel.shell.user_ns | |
34 | # Keys present at startup so we don't print the entire pylab/numpy |
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34 | # Keys present at startup so we don't print the entire pylab/numpy | |
35 | # namespace when the user clicks the 'namespace' button |
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35 | # namespace when the user clicks the 'namespace' button | |
36 | self._init_keys = set(self.namespace.keys()) |
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36 | self._init_keys = set(self.namespace.keys()) | |
37 |
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37 | |||
38 | # Example: a variable that will be seen by the user in the shell, and |
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38 | # Example: a variable that will be seen by the user in the shell, and | |
39 | # that the GUI modifies (the 'Counter++' button increments it): |
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39 | # that the GUI modifies (the 'Counter++' button increments it): | |
40 | self.namespace['app_counter'] = 0 |
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40 | self.namespace['app_counter'] = 0 | |
41 | #self.namespace['ipkernel'] = self.ipkernel # dbg |
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41 | #self.namespace['ipkernel'] = self.ipkernel # dbg | |
42 |
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42 | |||
43 | def print_namespace(self, evt=None): |
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43 | def print_namespace(self, evt=None): | |
44 | print("\n***Variables in User namespace***") |
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44 | print("\n***Variables in User namespace***") | |
45 | for k, v in self.namespace.iteritems(): |
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45 | for k, v in self.namespace.iteritems(): | |
46 | if k not in self._init_keys and not k.startswith('_'): |
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46 | if k not in self._init_keys and not k.startswith('_'): | |
47 | print('%s -> %r' % (k, v)) |
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47 | print('%s -> %r' % (k, v)) | |
48 | sys.stdout.flush() |
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48 | sys.stdout.flush() | |
49 |
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49 | |||
50 | def new_qt_console(self, evt=None): |
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50 | def new_qt_console(self, evt=None): | |
51 | """start a new qtconsole connected to our kernel""" |
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51 | """start a new qtconsole connected to our kernel""" | |
52 | return connect_qtconsole(self.ipkernel.connection_file, profile=self.ipkernel.profile) |
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52 | return connect_qtconsole(self.ipkernel.connection_file, profile=self.ipkernel.profile) | |
53 |
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53 | |||
54 | def count(self, evt=None): |
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54 | def count(self, evt=None): | |
55 | self.namespace['app_counter'] += 1 |
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55 | self.namespace['app_counter'] += 1 | |
56 |
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56 | |||
57 | def cleanup_consoles(self, evt=None): |
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57 | def cleanup_consoles(self, evt=None): | |
58 | for c in self.consoles: |
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58 | for c in self.consoles: | |
59 | c.kill() |
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59 | c.kill() |
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