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

test: fix self._testdir to use the right mercurial library during testing...

test: fix self._testdir to use the right mercurial library during testing Currently if you run tests from some other directory other than the `../tests/`, you will get a warning stating ``` warning: Testing with unexpected mercurial lib: mercurial (expected /tmp/hgtests.xxxxxx/install/lib/python/mercurial) ``` This is because the current directory being added to the 'PATH', if the `self._testdir != runtestdir`, owing to this line ``` if self._testdir != runtestdir: path = [self._testdir] + path ``` Also say you ran the tests from the hg base directory, because directory is being added in the PATH (see the above snippet, at that stage the `self._testdir` has the value as `cwd`, owing to a faulty initialization). And since the current directory already has the 'hg', that is used in place of the hg that is installed for the testing purposes in `/tmp/hgtests.xxxxxx/...`. Differential Revision: https://phab.mercurial-scm.org/D5199

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