upstream/ipython Files · IPython/external/argparse/__init__.py

Use default OS shell to run system commands...

Use default OS shell to run system commands Instead of using os.system which uses /bin/sh, this uses subprocess.call (the replacement of os.system) to run the command using the default shell of the OS. With this, one can use more advanced commands for bash, zsh, ksh, ... I also edited the docstring, added comments and fixed the handling of return codes.

Julian Taylor - - Load All Authors

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        Julian Taylor
    
fix argparse version check

              r10136
            
      from IPython.utils.version import check_version

        Thomas Spura
    
Unbundle of all external modules....

              r3408
            
      try:

          import argparse

        MinRK
    
use bundled argparse if system argparse is < 1.1

              r4669
            
          # don't use system argparse if older than 1.1:

        Julian Taylor
    
fix argparse version check

              r10136
            
          if not check_version(argparse.__version__, '1.1'):

        MinRK
    
use bundled argparse if system argparse is < 1.1

              r4669
            
              raise ImportError

          else:

              from argparse import *

              from argparse import SUPPRESS

      except (ImportError, AttributeError):

        Thomas Spura
    
Unbundle of all external modules....

              r3408
            
          from _argparse import *

        Thomas Kluyver
    
Fix up argparse (update bundled version) so IPython starts whether or not argparse is installed system-wide.

              r3456
            
          from _argparse import SUPPRESS

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Julian Taylor fix argparse version check	r10136	from IPython.utils.version import check_version
Thomas Spura Unbundle of all external modules....	r3408	try:
		import argparse
MinRK use bundled argparse if system argparse is < 1.1	r4669	# don't use system argparse if older than 1.1:
Julian Taylor fix argparse version check	r10136	if not check_version(argparse.__version__, '1.1'):
MinRK use bundled argparse if system argparse is < 1.1	r4669	raise ImportError
		else:
		from argparse import *
		from argparse import SUPPRESS
		except (ImportError, AttributeError):
Thomas Spura Unbundle of all external modules....	r3408	from _argparse import *
Thomas Kluyver Fix up argparse (update bundled version) so IPython starts whether or not argparse is installed system-wide.	r3456	from _argparse import SUPPRESS