upstream/mercurial-mirror Files · mercurial/thirdparty/zope/interface/_flatten.py

wireproto: crude support for version 2 HTTP peer...

wireproto: crude support for version 2 HTTP peer As part of implementing the server-side bits of the wire protocol command handlers for version 2, we want a way to easily test those commands. Currently, we use the "httprequest" action of `hg debugwireproto`. But this requires explicitly specifying the HTTP request headers, low-level frame details, and the data structure to encode with CBOR. That's a lot of boilerplate and a lot of it can change as the wire protocol evolves. `hg debugwireproto` has a mechanism to issue commands via the peer interface. That is *much* easier to use and we prefer to test with that going forward. This commit implements enough parts of the peer API to send basic requests via the HTTP version 2 transport. The peer code is super hacky. Again, the goal is to facilitate server testing, not robustly implement a client. The client code will receive love at a later time. Differential Revision: https://phab.mercurial-scm.org/D3177

Gregory Szorc - - Load All Authors

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      ##############################################################################

      #

      # Copyright (c) 2002 Zope Foundation and Contributors.

      # All Rights Reserved.

      #

      # This software is subject to the provisions of the Zope Public License,

      # Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.

      # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED

      # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

      # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS

      # FOR A PARTICULAR PURPOSE.

      #

      ##############################################################################

      """Adapter-style interface registry

      See Adapter class.

      """

      from __future__ import absolute_import

      from .interface import Declaration

      def _flatten(implements, include_None=0):

          try:

              r = implements.flattened()

          except AttributeError:

              if implements is None:

                  r=()

              else:

                  r = Declaration(implements).flattened()

          if not include_None:

              return r

          r = list(r)

          r.append(None)

          return r

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				##############################################################################
				#
				# Copyright (c) 2002 Zope Foundation and Contributors.
				# All Rights Reserved.
				#
				# This software is subject to the provisions of the Zope Public License,
				# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
				# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
				# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
				# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
				# FOR A PARTICULAR PURPOSE.
				#
				##############################################################################
				"""Adapter-style interface registry

				See Adapter class.
				"""

				from __future__ import absolute_import

				from .interface import Declaration

				def _flatten(implements, include_None=0):

				try:
				r = implements.flattened()
				except AttributeError:
				if implements is None:
				r=()
				else:
				r = Declaration(implements).flattened()

				if not include_None:
				return r

				r = list(r)
				r.append(None)
				return r