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

hgweb: expose input stream on parsed WSGI request object...

hgweb: expose input stream on parsed WSGI request object Our next step towards moving away from wsgirequest to our newer, friendlier parsedrequest type is input stream access. This commit exposes the input stream on the instance. Consumers in the HTTP protocol server switch to it. Because there were very few consumers of the input stream, we stopped storing a reference to the input stream on wsgirequest directly. All access now goes through parsedrequest. However, wsgirequest still may read from this stream as part of cgi.parse(). So we still need to create the stream from wsgirequest. Differential Revision: https://phab.mercurial-scm.org/D2771

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