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f926541834
Before, we would sometimes use the default iterator over large files. That iterator is line based and would add extra buffering and use odd chunk sizes which could give some overhead. copyandhash can't just apply a filechunkiter as it sometimes is passed a genuine generator when downloading remotely.
69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
# Copyright 2009-2010 Gregory P. Ward
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# Copyright 2009-2010 Intelerad Medical Systems Incorporated
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# Copyright 2010-2011 Fog Creek Software
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# Copyright 2010-2011 Unity Technologies
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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'''store class for local filesystem'''
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from __future__ import absolute_import
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from mercurial.i18n import _
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from mercurial import util
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from . import (
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basestore,
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lfutil,
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)
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class localstore(basestore.basestore):
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'''localstore first attempts to grab files out of the store in the remote
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Mercurial repository. Failing that, it attempts to grab the files from
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the user cache.'''
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def __init__(self, ui, repo, remote):
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self.remote = remote.local()
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super(localstore, self).__init__(ui, repo, self.remote.url())
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def put(self, source, hash):
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if lfutil.instore(self.remote, hash):
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return
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lfutil.link(source, lfutil.storepath(self.remote, hash))
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def exists(self, hashes):
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retval = {}
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for hash in hashes:
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retval[hash] = lfutil.instore(self.remote, hash)
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return retval
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def _getfile(self, tmpfile, filename, hash):
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path = lfutil.findfile(self.remote, hash)
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if not path:
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raise basestore.StoreError(filename, hash, self.url,
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_("can't get file locally"))
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with open(path, 'rb') as fd:
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return lfutil.copyandhash(
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util.filechunkiter(fd), tmpfile)
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def _verifyfiles(self, contents, filestocheck):
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failed = False
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for cset, filename, expectedhash in filestocheck:
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storepath, exists = lfutil.findstorepath(self.repo, expectedhash)
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if not exists:
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storepath, exists = lfutil.findstorepath(
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self.remote, expectedhash)
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if not exists:
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self.ui.warn(
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_('changeset %s: %s references missing %s\n')
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% (cset, filename, storepath))
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failed = True
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elif contents:
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actualhash = lfutil.hashfile(storepath)
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if actualhash != expectedhash:
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self.ui.warn(
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_('changeset %s: %s references corrupted %s\n')
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% (cset, filename, storepath))
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failed = True
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return failed
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