upstream/mercurial-mirror Files · mercurial/thirdparty/concurrent/futures/__init__.py

lookup: add option to disambiguate prefix within revset...

lookup: add option to disambiguate prefix within revset When resolving a nodeid prefix that is not unique within the repo and the user has configured a revset that they want to disambiguate within, we now try to look up within that revset before we fail. If there is a unique match within the revset, we use that. This is of course most effective at allowing a short prefix if the revset contains few nodes. For most of our internal users at Google, "not public()" is sufficiently small that a hex digit or two is enough. The implementation is currently pretty slow, but good enough for small revsets (which is the expected use case). The scan in the revset is linear. We may want to use a prefix tree if we want to allow users to use a larger revset. Credit for the idea goes to Kyle Lippincott. Differential Revision: https://phab.mercurial-scm.org/D4037

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      # Copyright 2009 Brian Quinlan. All Rights Reserved.

      # Licensed to PSF under a Contributor Agreement.

      """Execute computations asynchronously using threads or processes."""

      from __future__ import absolute_import

      __author__ = 'Brian Quinlan (brian@sweetapp.com)'

      from ._base import (

          FIRST_COMPLETED,

          FIRST_EXCEPTION,

          ALL_COMPLETED,

          CancelledError,

          TimeoutError,

          Future,

          Executor,

          wait,

          as_completed,

      )

      from .thread import ThreadPoolExecutor

      try:

          from .process import ProcessPoolExecutor

      except ImportError:

          # some platforms don't have multiprocessing

          pass

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				# Copyright 2009 Brian Quinlan. All Rights Reserved.
				# Licensed to PSF under a Contributor Agreement.

				"""Execute computations asynchronously using threads or processes."""

				from __future__ import absolute_import

				__author__ = 'Brian Quinlan (brian@sweetapp.com)'

				from ._base import (
				FIRST_COMPLETED,
				FIRST_EXCEPTION,
				ALL_COMPLETED,
				CancelledError,
				TimeoutError,
				Future,
				Executor,
				wait,
				as_completed,
				)
				from .thread import ThreadPoolExecutor

				try:
				from .process import ProcessPoolExecutor
				except ImportError:
				# some platforms don't have multiprocessing
				pass