upstream/mercurial-mirror Files · mercurial/util.py

Add bdiff.blocks / minor performance tweaks...

Add bdiff.blocks / minor performance tweaks -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Add bdiff.blocks / minor performance tweaks This refactors bdiff.bdiff so that we can get a list of matching blocks of line numbers for use by annotate/unidiff. Minor performance tweaks: - - add a field for equivalence so we can keep h around a bit longer for cmp - - mix len into the hash to reduce collisions - - move an operation into the slow path in longest_match manifest hash: -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCubu2ywK+sNU5EO8RAm4FAJ9r10aJpT7qA96nqGYFHcuy4XcIHgCfeFx5 q0PyTXeZQc7Fw5kwEPcoykI= =QXSb -----END PGP SIGNATURE-----

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      # util.py - utility functions and platform specfic implementations

      #

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

      #

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

      # of the GNU General Public License, incorporated herein by reference.

      import os

      def rename(src, dst):

          try:

              os.rename(src, dst)

          except:

              os.unlink(dst)

              os.rename(src, dst)

      # Platfor specific varients

      if os.name == 'nt':

          def pconvert(path):

              return path.replace("\\", "/")

          def makelock(info, pathname):

              ld = os.open(pathname, os.O_CREAT | os.O_WRONLY | os.O_EXCL)

              os.write(ld, info)

              os.close(ld)

          def readlock(pathname):

              return file(pathname).read()

      else:

          def pconvert(path):

              return path

          def makelock(info, pathname):

              os.symlink(info, pathname)

          def readlock(pathname):

              return os.readlink(pathname)

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				# util.py - utility functions and platform specfic implementations
				#
				# Copyright 2005 K. Thananchayan <thananck@yahoo.com>
				#
				# This software may be used and distributed according to the terms
				# of the GNU General Public License, incorporated herein by reference.

				import os

				def rename(src, dst):
				try:
				os.rename(src, dst)
				except:
				os.unlink(dst)
				os.rename(src, dst)

				# Platfor specific varients
				if os.name == 'nt':
				def pconvert(path):
				return path.replace("\\", "/")

				def makelock(info, pathname):
				ld = os.open(pathname, os.O_CREAT \| os.O_WRONLY \| os.O_EXCL)
				os.write(ld, info)
				os.close(ld)

				def readlock(pathname):
				return file(pathname).read()
				else:
				def pconvert(path):
				return path

				def makelock(info, pathname):
				os.symlink(info, pathname)

				def readlock(pathname):
				return os.readlink(pathname)