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view mercurial/statichttprepo.py @ 5956:094638b3cbed
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author | Patrick Mezard <pmezard@gmail.com> |
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date | Sat, 26 Jan 2008 14:45:04 +0100 |
parents | 639935f2e63a |
children | 6605a03cbf87 |
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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, filelog, httprangereader import repo, localrepo, manifest, os, urllib, urllib2, util class rangereader(httprangereader.httprangereader): def read(self, size=None): try: return httprangereader.httprangereader.read(self, size) except urllib2.HTTPError, inst: raise IOError(None, 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: requirements = [] # check them for r in requirements: if r not in self.supported: raise repo.RepoError(_("requirement '%s' not supported") % r) # setup store if "store" in requirements: self.encodefn = util.encodefilename self.decodefn = util.decodefilename self.spath = self.path + "/store" else: self.encodefn = lambda x: x self.decodefn = lambda x: x self.spath = self.path self.sopener = util.encodedopener(opener(self.spath), self.encodefn) 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 dev(self): return -1 def local(self): return False def instance(ui, path, create): if create: raise util.Abort(_('cannot create new static-http repository')) return statichttprepository(ui, path[7:])