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

support for unicode identifiers...

support for unicode identifiers This rewrites some of the regular expressions that are used to match Python identifiers, so that they are unicode compatible. In Python 3, identifiers can contain unicode characters as long as the first character is not numeric. Examples for the changes: • inputtransformer: ``` In [1]: π = 3.14 In [2]: π.is_integer? Object `is_integer` not found. ``` ---------- • namespace: ``` π.is_integ*? ``` or ``` In [1]: %psearch π.is_integ Python identifiers can only contain ascii characters. ``` ---------- • prefilter: ``` %autocall 1 φ = float get_ipython().prefilter("φ 3") # should be 'φ(3)', but returns 'φ 3' ``` ---------- • completerlib: If there is a file e.g. named `π.py` in the current directory, then ``` import IPython IPython.core.completerlib.module_list('.') # should contain module 'π' ```

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      # 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

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

      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

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

				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