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

tests: split capabilities into separate lines while searching for "narrow"...

tests: split capabilities into separate lines while searching for "narrow" This test is interested only in capabilities that are related to narrow, so let's omit everything else. Makes it easier to update other capabilities (and "rev-branch-cache" is one of the usual patterns that are already present in tests/common-patterns.py anyway). Differential Revision: https://phab.mercurial-scm.org/D4678

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