upstream/ipython Files · IPython/utils/version.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.

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             version.py
        
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        MinRK
    
add version comparison utility...

              r9256
            
      # encoding: utf-8

      """

      Utilities for version comparison

      It is a bit ridiculous that we need these.

      """

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

      #  Copyright (C) 2013  The IPython Development Team

      #

      #  Distributed under the terms of the BSD License.  The full license is in

      #  the file COPYING, distributed as part of this software.

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

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

      # Imports

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

      from distutils.version import LooseVersion

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

      # Code

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

        MinRK
    
add check_version utility...

              r9317
            
      def check_version(v, check):

          """check version string v >= check

          If dev/prerelease tags result in TypeError for string-number comparison,

          it is assumed that the dependency is satisfied.

          Users on dev branches are responsible for keeping their own packages up to date.

          """

          try:

              return LooseVersion(v) >= LooseVersion(check)

          except TypeError:

              return True

        MinRK
    
remove unused NumericalVersion

              r9318

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MinRK add version comparison utility...	r9256	# encoding: utf-8
		"""
		Utilities for version comparison

		It is a bit ridiculous that we need these.
		"""

		#-----------------------------------------------------------------------------
		# Copyright (C) 2013 The IPython Development Team
		#
		# Distributed under the terms of the BSD License. The full license is in
		# the file COPYING, distributed as part of this software.
		#-----------------------------------------------------------------------------

		#-----------------------------------------------------------------------------
		# Imports
		#-----------------------------------------------------------------------------

		from distutils.version import LooseVersion

		#-----------------------------------------------------------------------------
		# Code
		#-----------------------------------------------------------------------------

MinRK add check_version utility...	r9317	def check_version(v, check):
		"""check version string v >= check

		If dev/prerelease tags result in TypeError for string-number comparison,
		it is assumed that the dependency is satisfied.
		Users on dev branches are responsible for keeping their own packages up to date.
		"""
		try:
		return LooseVersion(v) >= LooseVersion(check)
		except TypeError:
		return True
MinRK remove unused NumericalVersion	r9318