upstream/mercurial-mirror Files · mercurial/thirdparty/attr/converters.py

bookmarks: remove changectx() method from bmstore (API)...

bookmarks: remove changectx() method from bmstore (API) All the callsites of this method have access to the repo, and I'd rather not have to duplicate this across alternative bmstore implementations. Besides, it feels like a bit of a layering violation. .. api:: `mercurial.bookmarks.bmstore` no longer has a convenience method for looking up changectx instances from a bookmark name. Use `repo[repo.bookmarks[name]]` intead of `repo.bookmarks.changectx(name)`. Differential Revision: https://phab.mercurial-scm.org/D6884

Siddharth Agarwal - - Load All Authors

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      """

      Commonly useful converters.

      """

      from __future__ import absolute_import, division, print_function

      def optional(converter):

          """

          A converter that allows an attribute to be optional. An optional attribute

          is one which can be set to ``None``.

          :param callable converter: the converter that is used for non-``None``

              values.

          ..  versionadded:: 17.1.0

          """

          def optional_converter(val):

              if val is None:

                  return None

              return converter(val)

          return optional_converter

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				"""
				Commonly useful converters.
				"""

				from __future__ import absolute_import, division, print_function


				def optional(converter):
				"""
				A converter that allows an attribute to be optional. An optional attribute
				is one which can be set to ``None``.

				:param callable converter: the converter that is used for non-``None``
				values.

				.. versionadded:: 17.1.0
				"""

				def optional_converter(val):
				if val is None:
				return None
				return converter(val)

				return optional_converter