Mercurial > hg
view mercurial/statichttprepo.py @ 7146:266324983681
merge with crew
author | Benoit Boissinot <benoit.boissinot@ens-lyon.org> |
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date | Sat, 18 Oct 2008 23:20:23 +0200 |
parents | 7739b61897df |
children | 3d080733a339 |
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# statichttprepo.py - simple http repository class for mercurial # # This provides read-only repo access to repositories exported via static http # # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. from i18n import _ import changelog, httprangereader import repo, localrepo, manifest, util, store import urllib, urllib2, errno class rangereader(httprangereader.httprangereader): def read(self, size=None): try: return httprangereader.httprangereader.read(self, size) except urllib2.HTTPError, inst: num = inst.code == 404 and errno.ENOENT or None raise IOError(num, inst) except urllib2.URLError, inst: raise IOError(None, inst.reason[1]) def opener(base): """return a function that opens files over http""" p = base def o(path, mode="r"): f = "/".join((p, urllib.quote(path))) return rangereader(f) return o class statichttprepository(localrepo.localrepository): def __init__(self, ui, path): self._url = path self.ui = ui self.path = path.rstrip('/') + "/.hg" self.opener = opener(self.path) # find requirements try: requirements = self.opener("requires").read().splitlines() except IOError, inst: if inst.errno == errno.ENOENT: msg = _("'%s' does not appear to be an hg repository") % path raise repo.RepoError(msg) else: requirements = [] # check them for r in requirements: if r not in self.supported: raise repo.RepoError(_("requirement '%s' not supported") % r) # setup store def pjoin(a, b): return a + '/' + b self.store = store.store(requirements, self.path, opener, pjoin) self.spath = self.store.path self.sopener = self.store.opener self.sjoin = self.store.join self.manifest = manifest.manifest(self.sopener) self.changelog = changelog.changelog(self.sopener) self.tagscache = None self.nodetagscache = None self.encodepats = None self.decodepats = None def url(self): return 'static-' + self._url def local(self): return False def lock(self, wait=True): raise util.Abort(_('cannot lock static-http repository')) def instance(ui, path, create): if create: raise util.Abort(_('cannot create new static-http repository')) return statichttprepository(ui, path[7:])