upstream/ipython Files · examples/inprocess/embedded_terminal.py

Option to spew subprocess streams during tests...

Option to spew subprocess streams during tests This supersedes PR . Run the tests with '--subproc-streams show' to show output from subprocesses (kernels, IPython.parallel components) in the terminal, or with '--subproc-streams discard' to send it to /dev/null. By default (or with '--subproc-streams capture') the output is piped, captured and displayed only when tests fail. But in some situations, a test fails because of an error which actually occurred earlier, so you have to see all the output.

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      import os

      from IPython.kernel.inprocess import InProcessKernelManager

      from IPython.terminal.console.interactiveshell import ZMQTerminalInteractiveShell

      def print_process_id():

          print 'Process ID is:', os.getpid()

      def main():

          print_process_id()

          # Create an in-process kernel

          # >>> print_process_id()

          # will print the same process ID as the main process

          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()

      if __name__ == '__main__':

          main()

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				import os

				from IPython.kernel.inprocess import InProcessKernelManager
				from IPython.terminal.console.interactiveshell import ZMQTerminalInteractiveShell


				def print_process_id():
				print 'Process ID is:', os.getpid()


				def main():
				print_process_id()

				# Create an in-process kernel
				# >>> print_process_id()
				# will print the same process ID as the main process
				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()


				if __name__ == '__main__':
				main()