|
|
# 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
|
|
|
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
|
|
|
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 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:])
|
|
|
|
