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

wsgicgi: un-do some prior porting work that is now wrong...

wsgicgi: un-do some prior porting work that is now wrong The Python 3 WSGI behavior is that the environ dict should be full of unicodes. We previously tried Too Hard here, so we unwind that bit of porting. Also add some bytesurl() encodes on status and headers. test-clone-cgi.t now passes. Differential Revision: https://phab.mercurial-scm.org/D3356

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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