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| Current File : //lib64/python2.7/site-packages/hgext/largefiles/localstore.py |
# Copyright 2009-2010 Gregory P. Ward
# Copyright 2009-2010 Intelerad Medical Systems Incorporated
# Copyright 2010-2011 Fog Creek Software
# Copyright 2010-2011 Unity Technologies
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
'''store class for local filesystem'''
from mercurial.i18n import _
import lfutil
import basestore
class localstore(basestore.basestore):
'''localstore first attempts to grab files out of the store in the remote
Mercurial repository. Failing that, it attempts to grab the files from
the user cache.'''
def __init__(self, ui, repo, remote):
self.remote = remote.local()
super(localstore, self).__init__(ui, repo, self.remote.url())
def put(self, source, hash):
if lfutil.instore(self.remote, hash):
return
lfutil.link(source, lfutil.storepath(self.remote, hash))
def exists(self, hashes):
retval = {}
for hash in hashes:
retval[hash] = lfutil.instore(self.remote, hash)
return retval
def _getfile(self, tmpfile, filename, hash):
path = lfutil.findfile(self.remote, hash)
if not path:
raise basestore.StoreError(filename, hash, self.url,
_("can't get file locally"))
fd = open(path, 'rb')
try:
return lfutil.copyandhash(fd, tmpfile)
finally:
fd.close()
def _verifyfile(self, cctx, cset, contents, standin, verified):
filename = lfutil.splitstandin(standin)
if not filename:
return False
fctx = cctx[standin]
key = (filename, fctx.filenode())
if key in verified:
return False
expecthash = fctx.data()[0:40]
storepath = lfutil.storepath(self.remote, expecthash)
verified.add(key)
if not lfutil.instore(self.remote, expecthash):
self.ui.warn(
_('changeset %s: %s references missing %s\n')
% (cset, filename, storepath))
return True # failed
if contents:
actualhash = lfutil.hashfile(storepath)
if actualhash != expecthash:
self.ui.warn(
_('changeset %s: %s references corrupted %s\n')
% (cset, filename, storepath))
return True # failed
return False