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commands: make --rev and --index compatible in debugobsolete

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             pycompat.py
        
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        timeless
    
pycompat: add empty and queue to handle py3 divergence...

              r28818
            
      # pycompat.py - portability shim for python 3

      #

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

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

      """Mercurial portability shim for python 3.

      This contains aliases to hide python version-specific details from the core.

      """

      from __future__ import absolute_import

      try:

        timeless
    
pycompat: add util.stringio to handle py3 divergence...

              r28835
            
          import cStringIO as io

          stringio = io.StringIO

      except ImportError:

          import io

          stringio = io.StringIO

      try:

        timeless
    
pycompat: add empty and queue to handle py3 divergence...

              r28818
            
          import Queue as _queue

        timeless
    
pycompat: fix demand import handling of Queue...

              r28833
            
          _queue.Queue

        timeless
    
pycompat: add empty and queue to handle py3 divergence...

              r28818
            
      except ImportError:

          import queue as _queue

      empty = _queue.Empty

      queue = _queue.Queue

        timeless
    
pycompat: alias xrange to range in py3

              r28834
            
      try:

          xrange

      except NameError:

          import builtins

          builtins.xrange = range

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timeless pycompat: add empty and queue to handle py3 divergence...	r28818	# pycompat.py - portability shim for python 3
		#
		# This software may be used and distributed according to the terms of the
		# GNU General Public License version 2 or any later version.

		"""Mercurial portability shim for python 3.

		This contains aliases to hide python version-specific details from the core.
		"""

		from __future__ import absolute_import

		try:
timeless pycompat: add util.stringio to handle py3 divergence...	r28835	import cStringIO as io
		stringio = io.StringIO
		except ImportError:
		import io
		stringio = io.StringIO

		try:
timeless pycompat: add empty and queue to handle py3 divergence...	r28818	import Queue as _queue
timeless pycompat: fix demand import handling of Queue...	r28833	_queue.Queue
timeless pycompat: add empty and queue to handle py3 divergence...	r28818	except ImportError:
		import queue as _queue
		empty = _queue.Empty
		queue = _queue.Queue
timeless pycompat: alias xrange to range in py3	r28834
		try:
		xrange
		except NameError:
		import builtins
		builtins.xrange = range