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pycompat: export queue module instead of symbols in module (API)...

pycompat: export queue module instead of symbols in module (API) Previously, pycompat and util re-exported individual symbols from the queue module. This had the side-effect of forcing the loading of the queue module whenever pycompat/util was imported. These symbols aren't used very often. So importing the module to get a handle on the symbols is wasteful. This commit changes pycompat so it no longer exports the individual symbols in the queue module. Instead, we make the imported module a "public" symbol. We drop the individual symbol aliases from the util module. All consumers are updated to use pycompat.queue.* instead. This change makes 300 invocations of `hg log -r. -T '{rev}\n'` a little faster: before: 18.44s after: 17.87s Differential Revision: https://phab.mercurial-scm.org/D3441

Gregory Szorc - - Load All Authors

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      # Dummy extension to define a namespace containing revision names

      from __future__ import absolute_import

      from mercurial import (

          namespaces,

      )

      def reposetup(ui, repo):

          names = {b'r%d' % rev: repo[rev].node() for rev in repo}

          namemap = lambda r, name: names.get(name)

          nodemap = lambda r, node: [b'r%d' % repo[node].rev()]

          ns = namespaces.namespace(b'revnames', templatename=b'revname',

                                    logname=b'revname',

                                    listnames=lambda r: names.keys(),

                                    namemap=namemap, nodemap=nodemap)

          repo.names.addnamespace(ns)

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				# Dummy extension to define a namespace containing revision names

				from __future__ import absolute_import

				from mercurial import (
				namespaces,
				)

				def reposetup(ui, repo):
				names = {b'r%d' % rev: repo[rev].node() for rev in repo}
				namemap = lambda r, name: names.get(name)
				nodemap = lambda r, node: [b'r%d' % repo[node].rev()]

				ns = namespaces.namespace(b'revnames', templatename=b'revname',
				logname=b'revname',
				listnames=lambda r: names.keys(),
				namemap=namemap, nodemap=nodemap)
				repo.names.addnamespace(ns)