mercurial/statichttprepo.py
author Thomas Arendsen Hein <thomas@intevation.de>
Mon, 11 Sep 2006 10:08:30 +0200
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If local repository is missing, make error message clearer. Faheem Mitha suggested finding a better error message. The nice error message is taken from cogito.
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# statichttprepo.py - simple http repository class for mercurial
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#
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# This provides read-only repo access to repositories exported via static http
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#
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# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms
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# of the GNU General Public License, incorporated herein by reference.
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from demandload import *
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from i18n import gettext as _
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demandload(globals(), "changelog filelog httprangereader")
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demandload(globals(), "localrepo manifest os urllib urllib2 util")
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class rangereader(httprangereader.httprangereader):
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    def read(self, size=None):
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        try:
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            return httprangereader.httprangereader.read(self, size)
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        except urllib2.HTTPError, inst:
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            raise IOError(None, inst)
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        except urllib2.URLError, inst:
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            raise IOError(None, inst.reason[1])
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def opener(base):
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    """return a function that opens files over http"""
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    p = base
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    def o(path, mode="r"):
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        f = os.path.join(p, urllib.quote(path))
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        return rangereader(f)
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    return o
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class statichttprepository(localrepo.localrepository):
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    def __init__(self, ui, path):
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        self._url = path
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        self.path = (path + "/.hg")
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        self.ui = ui
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        self.revlogversion = 0
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        self.opener = opener(self.path)
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        self.manifest = manifest.manifest(self.opener)
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        self.changelog = changelog.changelog(self.opener)
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        self.tagscache = None
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        self.nodetagscache = None
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        self.encodepats = None
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        self.decodepats = None
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    def url(self):
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        return 'static-' + self._url
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    def dev(self):
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        return -1
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    def local(self):
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        return False
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def instance(ui, path, create):
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    if create:
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        raise util.Abort(_('cannot create new static-http repository'))
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    if path.startswith('old-http:'):
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        ui.warn(_("old-http:// syntax is deprecated, "
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                  "please use static-http:// instead\n"))
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        path = path[4:]
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    else:
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        path = path[7:]
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    return statichttprepository(ui, path)