upstream/mercurial-mirror Files · tests/md5sum.py

revlog: extract function for getting node from known-to-exist rev...

revlog: extract function for getting node from known-to-exist rev Many of the calls to index_node() (which converts a rev to a nodeid) are done with a rev that's know to exist. If the function fails, there's something really wrong and we should just abort. This was done in only one place. This patch starts by extracting that code to a function that we can reuse in later patches. Differential Revision: https://phab.mercurial-scm.org/D3456

Augie Fackler - - Load All Authors

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      #!/usr/bin/env python

      #

      # Based on python's Tools/scripts/md5sum.py

      #

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

      # of the PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2, which is

      # GPL-compatible.

      from __future__ import absolute_import

      import hashlib

      import os

      import sys

      try:

          import msvcrt

          msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)

          msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)

      except ImportError:

          pass

      for filename in sys.argv[1:]:

          try:

              fp = open(filename, 'rb')

          except IOError as msg:

              sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg))

              sys.exit(1)

          m = hashlib.md5()

          try:

              for data in iter(lambda: fp.read(8192), b''):

                  m.update(data)

          except IOError as msg:

              sys.stderr.write('%s: I/O error: %s\n' % (filename, msg))

              sys.exit(1)

          sys.stdout.write('%s  %s\n' % (m.hexdigest(), filename))

      sys.exit(0)

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				#!/usr/bin/env python
				#
				# Based on python's Tools/scripts/md5sum.py
				#
				# This software may be used and distributed according to the terms
				# of the PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2, which is
				# GPL-compatible.

				from __future__ import absolute_import

				import hashlib
				import os
				import sys

				try:
				import msvcrt
				msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
				msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
				except ImportError:
				pass

				for filename in sys.argv[1:]:
				try:
				fp = open(filename, 'rb')
				except IOError as msg:
				sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg))
				sys.exit(1)

				m = hashlib.md5()
				try:
				for data in iter(lambda: fp.read(8192), b''):
				m.update(data)
				except IOError as msg:
				sys.stderr.write('%s: I/O error: %s\n' % (filename, msg))
				sys.exit(1)
				sys.stdout.write('%s %s\n' % (m.hexdigest(), filename))

				sys.exit(0)