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

Improves detection of whether tab-completion is in a string and supresses Jedi....

Improves detection of whether tab-completion is in a string and supresses Jedi. Refs and Jedi results swamp file_matches and dict_key_matches in tab-completion, which is a real nuisance. The logic in the jedi completor tried to catch cases where it was "in a string", but that logic only looked at the previous character, and was a little fragile, breaking in lots of cases such as: './<tab> "mypath/<tab> etc. This seems a bit more robust in that it searchs for the first token in the current parser tree and checks if its value starts with ' or ". This detection of "in a string" then turns of jedi and returns some sanity to the set of matches.

Srinivas Reddy Thatiparthy - - Load All Authors

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             syspathcontext.py
        
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      # encoding: utf-8

      """

      Context managers for adding things to sys.path temporarily.

      Authors:

      * Brian Granger

      """

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

      #  Copyright (C) 2008-2011  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.

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

      import sys

      class appended_to_syspath(object):

          """A context for appending a directory to sys.path for a second."""

          def __init__(self, dir):

              self.dir = dir

          def __enter__(self):

              if self.dir not in sys.path:

                  sys.path.append(self.dir)

                  self.added = True

              else:

                  self.added = False

          def __exit__(self, type, value, traceback):

              if self.added:

                  try:

                      sys.path.remove(self.dir)

                  except ValueError:

                      pass

              # Returning False causes any exceptions to be re-raised.

              return False

      class prepended_to_syspath(object):

          """A context for prepending a directory to sys.path for a second."""

          def __init__(self, dir):

              self.dir = dir

          def __enter__(self):

              if self.dir not in sys.path:

                  sys.path.insert(0,self.dir)

                  self.added = True

              else:

                  self.added = False

          def __exit__(self, type, value, traceback):

              if self.added:

                  try:

                      sys.path.remove(self.dir)

                  except ValueError:

                      pass

              # Returning False causes any exceptions to be re-raised.

              return False

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				# encoding: utf-8
				"""
				Context managers for adding things to sys.path temporarily.

				Authors:

				* Brian Granger
				"""

				#-----------------------------------------------------------------------------
				# Copyright (C) 2008-2011 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.
				#-----------------------------------------------------------------------------

				import sys


				class appended_to_syspath(object):
				"""A context for appending a directory to sys.path for a second."""

				def __init__(self, dir):
				self.dir = dir

				def __enter__(self):
				if self.dir not in sys.path:
				sys.path.append(self.dir)
				self.added = True
				else:
				self.added = False

				def __exit__(self, type, value, traceback):
				if self.added:
				try:
				sys.path.remove(self.dir)
				except ValueError:
				pass
				# Returning False causes any exceptions to be re-raised.
				return False

				class prepended_to_syspath(object):
				"""A context for prepending a directory to sys.path for a second."""

				def __init__(self, dir):
				self.dir = dir

				def __enter__(self):
				if self.dir not in sys.path:
				sys.path.insert(0,self.dir)
				self.added = True
				else:
				self.added = False

				def __exit__(self, type, value, traceback):
				if self.added:
				try:
				sys.path.remove(self.dir)
				except ValueError:
				pass
				# Returning False causes any exceptions to be re-raised.
				return False