author | Greg Ward <greg@gerg.ca> |
Wed, 12 Oct 2011 20:59:27 -0400 | |
changeset 15252 | 6e809bb4f969 |
parent 15188 | 8e115063950d |
child 15253 | 67d010779907 |
permissions | -rw-r--r-- |
15168 | 1 |
# 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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15252
6e809bb4f969
largefiles: improve comments, internal docstrings
Greg Ward <greg@gerg.ca>
parents:
15188
diff
changeset
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'''remote largefile store; the base class for servestore''' |
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import urllib2 |
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from mercurial import util |
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from mercurial.i18n import _ |
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import lfutil |
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import basestore |
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class remotestore(basestore.basestore): |
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15252
6e809bb4f969
largefiles: improve comments, internal docstrings
Greg Ward <greg@gerg.ca>
parents:
15188
diff
changeset
|
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'''a largefile store accessed over a network''' |
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def __init__(self, ui, repo, url): |
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super(remotestore, self).__init__(ui, repo, url) |
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def put(self, source, hash): |
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if self._verify(hash): |
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return |
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if self.sendfile(source, hash): |
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raise util.Abort( |
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_('remotestore: could not put %s to remote store %s') |
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% (source, self.url)) |
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self.ui.debug( |
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_('remotestore: put %s to remote store %s') % (source, self.url)) |
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def exists(self, hash): |
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return self._verify(hash) |
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def sendfile(self, filename, hash): |
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self.ui.debug('remotestore: sendfile(%s, %s)\n' % (filename, hash)) |
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fd = None |
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try: |
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try: |
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fd = lfutil.httpsendfile(self.ui, filename) |
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except IOError, e: |
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raise util.Abort( |
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_('remotestore: could not open file %s: %s') |
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% (filename, str(e))) |
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return self._put(hash, fd) |
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finally: |
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if fd: |
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fd.close() |
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def _getfile(self, tmpfile, filename, hash): |
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# quit if the largefile isn't there |
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stat = self._stat(hash) |
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if stat: |
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raise util.Abort(_('remotestore: largefile %s is %s') % |
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(hash, stat == 1 and 'invalid' or 'missing')) |
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try: |
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length, infile = self._get(hash) |
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15188
8e115063950d
largefiles: don't break existing tests (syntax error, bad imports)
Greg Ward <greg@gerg.ca>
parents:
15168
diff
changeset
|
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except urllib2.HTTPError, e: |
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# 401s get converted to util.Aborts; everything else is fine being |
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# turned into a StoreError |
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raise basestore.StoreError(filename, hash, self.url, str(e)) |
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except urllib2.URLError, e: |
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# This usually indicates a connection problem, so don't |
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# keep trying with the other files... they will probably |
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# all fail too. |
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raise util.Abort('%s: %s' % (self.url, str(e.reason))) |
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except IOError, e: |
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raise basestore.StoreError(filename, hash, self.url, str(e)) |
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# Mercurial does not close its SSH connections after writing a stream |
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if length is not None: |
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infile = lfutil.limitreader(infile, length) |
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return lfutil.copyandhash(lfutil.blockstream(infile), tmpfile) |
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def _verify(self, hash): |
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return not self._stat(hash) |
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def _verifyfile(self, cctx, cset, contents, standin, verified): |
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filename = lfutil.splitstandin(standin) |
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if not filename: |
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return False |
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fctx = cctx[standin] |
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key = (filename, fctx.filenode()) |
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if key in verified: |
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return False |
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verified.add(key) |
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stat = self._stat(hash) |
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if not stat: |
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return False |
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elif stat == 1: |
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self.ui.warn( |
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_('changeset %s: %s: contents differ\n') |
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% (cset, filename)) |
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return True # failed |
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elif stat == 2: |
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self.ui.warn( |
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_('changeset %s: %s missing\n') |
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% (cset, filename)) |
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return True # failed |
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else: |
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raise util.Abort(_('check failed, unexpected response' |
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'statlfile: %d') % stat) |