upstream/mercurial-mirror Files · mercurial/utils/resourceutil.py

localrepo: extract handling of some special value in __getitem__...

localrepo: extract handling of some special value in __getitem__ The value "tip" should always be accessible, otherwise there is some problematic bug in the lower level. So we can access this outside of the general try/catch. If it fails some wider and actual big is in play. Differential Revision: https://phab.mercurial-scm.org/D7475

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      # resourceutil.py - utility for looking up resources

      #

      #  Copyright 2005 K. Thananchayan <thananck@yahoo.com>

      #  Copyright 2005-2007 Matt Mackall <mpm@selenic.com>

      #  Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>

      #

      # This software may be used and distributed according to the terms of the

      # GNU General Public License version 2 or any later version.

      from __future__ import absolute_import

      import imp

      import os

      import sys

      from .. import pycompat

      def mainfrozen():

          """return True if we are a frozen executable.

          The code supports py2exe (most common, Windows only) and tools/freeze

          (portable, not much used).

          """

          return (

              pycompat.safehasattr(sys, "frozen")

              or pycompat.safehasattr(sys, "importers")  # new py2exe

              or imp.is_frozen("__main__")  # old py2exe

          )  # tools/freeze

      # the location of data files matching the source code

      if mainfrozen() and getattr(sys, 'frozen', None) != 'macosx_app':

          # executable version (py2exe) doesn't support __file__

          datapath = os.path.dirname(pycompat.sysexecutable)

      else:

          datapath = os.path.dirname(os.path.dirname(pycompat.fsencode(__file__)))

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				# resourceutil.py - utility for looking up resources
				#
				# Copyright 2005 K. Thananchayan <thananck@yahoo.com>
				# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
				# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.

				from __future__ import absolute_import

				import imp
				import os
				import sys

				from .. import pycompat


				def mainfrozen():
				"""return True if we are a frozen executable.

				The code supports py2exe (most common, Windows only) and tools/freeze
				(portable, not much used).
				"""
				return (
				pycompat.safehasattr(sys, "frozen")
				or pycompat.safehasattr(sys, "importers") # new py2exe
				or imp.is_frozen("__main__") # old py2exe
				) # tools/freeze


				# the location of data files matching the source code
				if mainfrozen() and getattr(sys, 'frozen', None) != 'macosx_app':
				# executable version (py2exe) doesn't support __file__
				datapath = os.path.dirname(pycompat.sysexecutable)
				else:
				datapath = os.path.dirname(os.path.dirname(pycompat.fsencode(__file__)))