--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/mercurial/httprepo.py Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,203 @@
+# httprepo.py - HTTP repository proxy classes for mercurial
+#
+# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
+# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
+#
+# This software may be used and distributed according to the terms of the
+# GNU General Public License version 2 or any later version.
+
+from node import nullid
+from i18n import _
+import changegroup, statichttprepo, error, url, util, wireproto
+import os, urllib, urllib2, urlparse, zlib, httplib
+import errno, socket
+
+def zgenerator(f):
+ zd = zlib.decompressobj()
+ try:
+ for chunk in util.filechunkiter(f):
+ while chunk:
+ yield zd.decompress(chunk, 2**18)
+ chunk = zd.unconsumed_tail
+ except httplib.HTTPException:
+ raise IOError(None, _('connection ended unexpectedly'))
+ yield zd.flush()
+
+class httprepository(wireproto.wirerepository):
+ def __init__(self, ui, path):
+ self.path = path
+ self.caps = None
+ self.handler = None
+ scheme, netloc, urlpath, query, frag = urlparse.urlsplit(path)
+ if query or frag:
+ raise util.Abort(_('unsupported URL component: "%s"') %
+ (query or frag))
+
+ # urllib cannot handle URLs with embedded user or passwd
+ self._url, authinfo = url.getauthinfo(path)
+
+ self.ui = ui
+ self.ui.debug('using %s\n' % self._url)
+
+ self.urlopener = url.opener(ui, authinfo)
+
+ def __del__(self):
+ for h in self.urlopener.handlers:
+ h.close()
+ if hasattr(h, "close_all"):
+ h.close_all()
+
+ def url(self):
+ return self.path
+
+ # look up capabilities only when needed
+
+ def get_caps(self):
+ if self.caps is None:
+ try:
+ self.caps = set(self._call('capabilities').split())
+ except error.RepoError:
+ self.caps = set()
+ self.ui.debug('capabilities: %s\n' %
+ (' '.join(self.caps or ['none'])))
+ return self.caps
+
+ capabilities = property(get_caps)
+
+ def lock(self):
+ raise util.Abort(_('operation not supported over http'))
+
+ def _callstream(self, cmd, **args):
+ if cmd == 'pushkey':
+ args['data'] = ''
+ data = args.pop('data', None)
+ headers = args.pop('headers', {})
+ self.ui.debug("sending %s command\n" % cmd)
+ q = {"cmd": cmd}
+ q.update(args)
+ qs = '?%s' % urllib.urlencode(q)
+ cu = "%s%s" % (self._url, qs)
+ req = urllib2.Request(cu, data, headers)
+ if data is not None:
+ # len(data) is broken if data doesn't fit into Py_ssize_t
+ # add the header ourself to avoid OverflowError
+ size = data.__len__()
+ self.ui.debug("sending %s bytes\n" % size)
+ req.add_unredirected_header('Content-Length', '%d' % size)
+ try:
+ resp = self.urlopener.open(req)
+ except urllib2.HTTPError, inst:
+ if inst.code == 401:
+ raise util.Abort(_('authorization failed'))
+ raise
+ except httplib.HTTPException, inst:
+ self.ui.debug('http error while sending %s command\n' % cmd)
+ self.ui.traceback()
+ raise IOError(None, inst)
+ except IndexError:
+ # this only happens with Python 2.3, later versions raise URLError
+ raise util.Abort(_('http error, possibly caused by proxy setting'))
+ # record the url we got redirected to
+ resp_url = resp.geturl()
+ if resp_url.endswith(qs):
+ resp_url = resp_url[:-len(qs)]
+ if self._url.rstrip('/') != resp_url.rstrip('/'):
+ self.ui.status(_('real URL is %s\n') % resp_url)
+ self._url = resp_url
+ try:
+ proto = resp.getheader('content-type')
+ except AttributeError:
+ proto = resp.headers['content-type']
+
+ safeurl = url.hidepassword(self._url)
+ # accept old "text/plain" and "application/hg-changegroup" for now
+ if not (proto.startswith('application/mercurial-') or
+ proto.startswith('text/plain') or
+ proto.startswith('application/hg-changegroup')):
+ self.ui.debug("requested URL: '%s'\n" % url.hidepassword(cu))
+ raise error.RepoError(
+ _("'%s' does not appear to be an hg repository:\n"
+ "---%%<--- (%s)\n%s\n---%%<---\n")
+ % (safeurl, proto, resp.read()))
+
+ if proto.startswith('application/mercurial-'):
+ try:
+ version = proto.split('-', 1)[1]
+ version_info = tuple([int(n) for n in version.split('.')])
+ except ValueError:
+ raise error.RepoError(_("'%s' sent a broken Content-Type "
+ "header (%s)") % (safeurl, proto))
+ if version_info > (0, 1):
+ raise error.RepoError(_("'%s' uses newer protocol %s") %
+ (safeurl, version))
+
+ return resp
+
+ def _call(self, cmd, **args):
+ fp = self._callstream(cmd, **args)
+ try:
+ return fp.read()
+ finally:
+ # if using keepalive, allow connection to be reused
+ fp.close()
+
+ def _callpush(self, cmd, cg, **args):
+ # have to stream bundle to a temp file because we do not have
+ # http 1.1 chunked transfer.
+
+ type = ""
+ types = self.capable('unbundle')
+ # servers older than d1b16a746db6 will send 'unbundle' as a
+ # boolean capability
+ try:
+ types = types.split(',')
+ except AttributeError:
+ types = [""]
+ if types:
+ for x in types:
+ if x in changegroup.bundletypes:
+ type = x
+ break
+
+ tempname = changegroup.writebundle(cg, None, type)
+ fp = url.httpsendfile(tempname, "rb")
+ headers = {'Content-Type': 'application/mercurial-0.1'}
+
+ try:
+ try:
+ r = self._call(cmd, data=fp, headers=headers, **args)
+ return r.split('\n', 1)
+ except socket.error, err:
+ if err.args[0] in (errno.ECONNRESET, errno.EPIPE):
+ raise util.Abort(_('push failed: %s') % err.args[1])
+ raise util.Abort(err.args[1])
+ finally:
+ fp.close()
+ os.unlink(tempname)
+
+ def _abort(self, exception):
+ raise exception
+
+ def _decompress(self, stream):
+ return util.chunkbuffer(zgenerator(stream))
+
+class httpsrepository(httprepository):
+ def __init__(self, ui, path):
+ if not url.has_https:
+ raise util.Abort(_('Python support for SSL and HTTPS '
+ 'is not installed'))
+ httprepository.__init__(self, ui, path)
+
+def instance(ui, path, create):
+ if create:
+ raise util.Abort(_('cannot create new http repository'))
+ try:
+ if path.startswith('https:'):
+ inst = httpsrepository(ui, path)
+ else:
+ inst = httprepository(ui, path)
+ inst.between([(nullid, nullid)])
+ return inst
+ except error.RepoError:
+ ui.note('(falling back to static-http)\n')
+ return statichttprepo.instance(ui, "static-" + path, create)