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