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

typing: restore `encoding.encoding` and `encoding.encodingmode` to bytes...

typing: restore `encoding.encoding` and `encoding.encodingmode` to bytes Somewhere between hg and hg 8e3f6b5bf720, pytype determined the signature of these fields changed from `bytes` to `Any`. Not sure why- the type of `environ` then and now is: `Union[WindowsEnviron, Dict[bytes, bytes], os._Environ[bytes]]` That said, PyCharm wasn't able to figure out the type of `environ`, and the `WindowsEnviron` class extends `MutableMapping` without specifying bytes for the key and value types in py3.9. But that's not changed in my setup, so I can't explain it.

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      # txnutil.py - transaction related utilities

      #

      #  Copyright FUJIWARA Katsunori <foozy@lares.dti.ne.jp> and others

      #

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

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

      from . import encoding

      def mayhavepending(root):

          """return whether 'root' may have pending changes, which are

          visible to this process.

          """

          return root == encoding.environ.get(b'HG_PENDING')

      def trypending(root, vfs, filename, **kwargs):

          """Open  file to be read according to HG_PENDING environment variable

          This opens '.pending' of specified 'filename' only when HG_PENDING

          is equal to 'root'.

          This returns '(fp, is_pending_opened)' tuple.

          """

          if mayhavepending(root):

              try:

                  return (vfs(b'%s.pending' % filename, **kwargs), True)

              except FileNotFoundError:

                  pass

          return (vfs(filename, **kwargs), False)

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				# txnutil.py - transaction related utilities
				#
				# Copyright FUJIWARA Katsunori <foozy@lares.dti.ne.jp> and others
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.


				from . import encoding


				def mayhavepending(root):
				"""return whether 'root' may have pending changes, which are
				visible to this process.
				"""
				return root == encoding.environ.get(b'HG_PENDING')


				def trypending(root, vfs, filename, **kwargs):
				"""Open file to be read according to HG_PENDING environment variable

				This opens '.pending' of specified 'filename' only when HG_PENDING
				is equal to 'root'.

				This returns '(fp, is_pending_opened)' tuple.
				"""
				if mayhavepending(root):
				try:
				return (vfs(b'%s.pending' % filename, **kwargs), True)
				except FileNotFoundError:
				pass
				return (vfs(filename, **kwargs), False)