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

mdiff: convert a few block definitions from lists to tuples...

mdiff: convert a few block definitions from lists to tuples These were flagged by adding type hints. Some places were using a tuple of 4 ints to define a block, and others were using a list of 4. A tuple is better for typing, because we can define the length and the type of each entry. One of the places had to redefine the tuple, since writing to a tuple at an index isn't supported. This change spills out into the tests, and archeology says it was added to the repo in this state. There was no reason given for the divergence, and I suspect it wasn't intentional. It looks like `splitblock()` is completely unused in the codebase.

Matt Harbison - - Load All Authors

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      # typelib.py - type hint aliases and support

      #

      # Copyright 2022 Matt Harbison <matt_harbison@yahoo.com>

      #

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

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

      from __future__ import annotations

      import typing

      from typing import (

          Callable,

      )

      # Note: this is slightly different from pycompat.TYPE_CHECKING, as using

      # pycompat causes the BinaryIO_Proxy type to be resolved to ``object`` when

      # used as the base class during a pytype run.

      TYPE_CHECKING = typing.TYPE_CHECKING

      # The BinaryIO class provides empty methods, which at runtime means that

      # ``__getattr__`` on the proxy classes won't get called for the methods that

      # should delegate to the internal object.  So to avoid runtime changes because

      # of the required typing inheritance, just use BinaryIO when typechecking, and

      # ``object`` otherwise.

      if TYPE_CHECKING:

          from typing import (

              BinaryIO,

              Union,

          )

          from . import (

              node,

              posix,

              windows,

          )

          BinaryIO_Proxy = BinaryIO

          CacheStat = Union[posix.cachestat, windows.cachestat]

          NodeConstants = node.sha1nodeconstants

      else:

          from typing import Any

          BinaryIO_Proxy = object

          CacheStat = Any

          NodeConstants = Any

      # scmutil.getuipathfn() related callback.

      UiPathFn = Callable[[bytes], bytes]

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				# typelib.py - type hint aliases and support
				#
				# Copyright 2022 Matt Harbison <matt_harbison@yahoo.com>
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.

				from __future__ import annotations

				import typing

				from typing import (
				Callable,
				)

				# Note: this is slightly different from pycompat.TYPE_CHECKING, as using
				# pycompat causes the BinaryIO_Proxy type to be resolved to ``object`` when
				# used as the base class during a pytype run.
				TYPE_CHECKING = typing.TYPE_CHECKING


				# The BinaryIO class provides empty methods, which at runtime means that
				# ``__getattr__`` on the proxy classes won't get called for the methods that
				# should delegate to the internal object. So to avoid runtime changes because
				# of the required typing inheritance, just use BinaryIO when typechecking, and
				# ``object`` otherwise.
				if TYPE_CHECKING:
				from typing import (
				BinaryIO,
				Union,
				)

				from . import (
				node,
				posix,
				windows,
				)

				BinaryIO_Proxy = BinaryIO
				CacheStat = Union[posix.cachestat, windows.cachestat]
				NodeConstants = node.sha1nodeconstants
				else:
				from typing import Any

				BinaryIO_Proxy = object
				CacheStat = Any
				NodeConstants = Any

				# scmutil.getuipathfn() related callback.
				UiPathFn = Callable[[bytes], bytes]