def test_interface(self):
""" Does the in-process kernel manager implement the basic KM interface?
"""
km = InProcessKernelManager()
self.assert_(not km.has_kernel)
km.start_kernel()
self.assert_(km.has_kernel)
self.assert_(km.kernel is not None)
kc = km.client()
self.assert_(not kc.channels_running)
kc.start_channels()
self.assert_(kc.channels_running)
old_kernel = km.kernel
km.restart_kernel()
self.assertIsNotNone(km.kernel)
self.assertNotEquals(km.kernel, old_kernel)
km.shutdown_kernel()
self.assert_(not km.has_kernel)
self.assertRaises(NotImplementedError, km.interrupt_kernel)
self.assertRaises(NotImplementedError, km.signal_kernel, 9)
kc.stop_channels()
self.assert_(not kc.channels_running)
def setUp(self):
_init_asyncio_patch()
self.km = InProcessKernelManager()
self.km.start_kernel()
self.kc = self.km.client()
self.kc.start_channels()
self.kc.wait_for_ready()
def test_execute(self):
""" Does executing code in an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = km.client()
kc.start_channels()
kc.wait_for_ready()
kc.execute('foo = 1')
self.assertEquals(km.kernel.shell.user_ns['foo'], 1)
def test_complete(self):
""" Does requesting completion from an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = km.client()
kc.start_channels()
kc.wait_for_ready()
km.kernel.shell.push({'my_bar': 0, 'my_baz': 1})
kc.complete('my_ba', 5)
msg = kc.get_shell_msg()
self.assertEqual(msg['header']['msg_type'], 'complete_reply')
self.assertEqual(sorted(msg['content']['matches']),
['my_bar', 'my_baz'])
def test_history(self):
""" Does requesting history from an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = km.client()
kc.start_channels()
kc.wait_for_ready()
kc.execute('%who')
kc.history(hist_access_type='tail', n=1)
msg = kc.shell_channel.get_msgs()[-1]
self.assertEquals(msg['header']['msg_type'], 'history_reply')
history = msg['content']['history']
self.assertEquals(len(history), 1)
self.assertEquals(history[0][2], '%who')
def test_inspect(self):
""" Does requesting object information from an in-process kernel work?
"""
km = InProcessKernelManager()
km.start_kernel()
kc = km.client()
kc.start_channels()
kc.wait_for_ready()
km.kernel.shell.user_ns['foo'] = 1
kc.inspect('foo')
msg = kc.get_shell_msg()
self.assertEqual(msg['header']['msg_type'], 'inspect_reply')
content = msg['content']
assert content['found']
text = content['data']['text/plain']
self.assertIn('int', text)
def main():
print_process_id()
# Create an in-process kernel
# >>> print_process_id()
# will print the same process ID as the main process
init_asyncio_patch()
kernel_manager = InProcessKernelManager()
kernel_manager.start_kernel()
kernel = kernel_manager.kernel
kernel.gui = "qt4"
kernel.shell.push({"foo": 43, "print_process_id": print_process_id})
client = kernel_manager.client()
client.start_channels()
shell = ZMQTerminalInteractiveShell(manager=kernel_manager, client=client)
shell.mainloop()
def create_kernel():
kernel_manager = InProcessKernelManager()
kernel_manager.start_kernel()
kernel = kernel_manager.kernel
kernel.gui = 'qt4'
return kernel
def setUp(self):
self.km = InProcessKernelManager()
