upstream/ipython Files · IPython/utils/daemonize.py

fix IPython.embed...

fix IPython.embed without this change, IPython.embed throws the following traceback: File "explete.py", line 9, in dump_inputs IPython.embed() File "/home/pi/code/ipython/IPython/terminal/embed.py", line 287, in embed config = load_default_config() File "/home/pi/code/ipython/IPython/terminal/ipapp.py", line 379, in load_default_config for cf in Application._load_config_files("ipython_config", path=profile_dir): File "/home/pi/code/ipython/IPython/config/application.py", line 527, in _load_config_files log.debug("Loaded config file: %s", loader.full_filename) AttributeError: 'NoneType' object has no attribute 'debug' @Carreau was the last to poke around in this part of the code, so pinging him, just in case

Matthias BUSSONNIER - - Load All Authors

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             daemonize.py
        
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      """daemonize function from twisted.scripts._twistd_unix."""

      #-----------------------------------------------------------------------------

      # Copyright (c) Twisted Matrix Laboratories.

      # See Twisted's LICENSE for details.

      # http://twistedmatrix.com/

      #-----------------------------------------------------------------------------

      import os, errno

      def daemonize():

          # See http://www.erlenstar.demon.co.uk/unix/faq_toc.html#TOC16

          if os.fork():   # launch child and...

              os._exit(0) # kill off parent

          os.setsid()

          if os.fork():   # launch child and...

              os._exit(0) # kill off parent again.

          null = os.open('/dev/null', os.O_RDWR)

          for i in range(3):

              try:

                  os.dup2(null, i)

              except OSError as e:

                  if e.errno != errno.EBADF:

                      raise

          os.close(null)

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				"""daemonize function from twisted.scripts._twistd_unix."""

				#-----------------------------------------------------------------------------
				# Copyright (c) Twisted Matrix Laboratories.
				# See Twisted's LICENSE for details.
				# http://twistedmatrix.com/
				#-----------------------------------------------------------------------------

				import os, errno

				def daemonize():
				# See http://www.erlenstar.demon.co.uk/unix/faq_toc.html#TOC16
				if os.fork(): # launch child and...
				os._exit(0) # kill off parent
				os.setsid()
				if os.fork(): # launch child and...
				os._exit(0) # kill off parent again.
				null = os.open('/dev/null', os.O_RDWR)
				for i in range(3):
				try:
				os.dup2(null, i)
				except OSError as e:
				if e.errno != errno.EBADF:
				raise
				os.close(null)