upstream/mercurial-mirror Files · hgext/largefiles/wirestore.py

wireproto: allow direct stream processing for unbundle...

wireproto: allow direct stream processing for unbundle Introduce a new option server.streamunbundle which starts a transaction immediately to apply a bundle instead of writing it to a temporary file first. This side steps the need for a large tmp directory at the cost of preventing concurrent pushes. This is a reasonable trade-off for many setups as concurrent pushes for the main branch at least are disallowed anyway. The option defaults to off to preserve existing behavior. Change the wireproto interface to provide a generator for reading the payload and make callers responsible for consuming all data. Differential Revision: https://phab.mercurial-scm.org/D2470

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      # Copyright 2010-2011 Fog Creek Software

      #

      # This software may be used and distributed according to the terms of the

      # GNU General Public License version 2 or any later version.

      '''largefile store working over Mercurial's wire protocol'''

      from __future__ import absolute_import

      from . import (

          lfutil,

          remotestore,

      )

      class wirestore(remotestore.remotestore):

          def __init__(self, ui, repo, remote):

              cap = remote.capable('largefiles')

              if not cap:

                  raise lfutil.storeprotonotcapable([])

              storetypes = cap.split(',')

              if 'serve' not in storetypes:

                  raise lfutil.storeprotonotcapable(storetypes)

              self.remote = remote

              super(wirestore, self).__init__(ui, repo, remote.url())

          def _put(self, hash, fd):

              return self.remote.putlfile(hash, fd)

          def _get(self, hash):

              return self.remote.getlfile(hash)

          def _stat(self, hashes):

              '''For each hash, return 0 if it is available, other values if not.

              It is usually 2 if the largefile is missing, but might be 1 the server

              has a corrupted copy.'''

              batch = self.remote.iterbatch()

              for hash in hashes:

                  batch.statlfile(hash)

              batch.submit()

              return dict(zip(hashes, batch.results()))

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				# Copyright 2010-2011 Fog Creek Software
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.

				'''largefile store working over Mercurial's wire protocol'''
				from __future__ import absolute_import

				from . import (
				lfutil,
				remotestore,
				)

				class wirestore(remotestore.remotestore):
				def __init__(self, ui, repo, remote):
				cap = remote.capable('largefiles')
				if not cap:
				raise lfutil.storeprotonotcapable([])
				storetypes = cap.split(',')
				if 'serve' not in storetypes:
				raise lfutil.storeprotonotcapable(storetypes)
				self.remote = remote
				super(wirestore, self).__init__(ui, repo, remote.url())

				def _put(self, hash, fd):
				return self.remote.putlfile(hash, fd)

				def _get(self, hash):
				return self.remote.getlfile(hash)

				def _stat(self, hashes):
				'''For each hash, return 0 if it is available, other values if not.
				It is usually 2 if the largefile is missing, but might be 1 the server
				has a corrupted copy.'''
				batch = self.remote.iterbatch()
				for hash in hashes:
				batch.statlfile(hash)
				batch.submit()
				return dict(zip(hashes, batch.results()))