mercurial/hgweb/protocol.py
author Mads Kiilerich <mads@kiilerich.com>
Fri, 11 Nov 2011 01:07:10 +0100
branchstable
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child 18346 6c2563b2c1c6
permissions -rw-r--r--
add missing localization markup
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#
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# Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>
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# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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import cgi, cStringIO, zlib, urllib
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from mercurial import util, wireproto
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from common import HTTP_OK
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HGTYPE = 'application/mercurial-0.1'
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HGERRTYPE = 'application/hg-error'
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class webproto(object):
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    def __init__(self, req, ui):
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        self.req = req
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        self.response = ''
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        self.ui = ui
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    def getargs(self, args):
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        knownargs = self._args()
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        data = {}
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        keys = args.split()
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        for k in keys:
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            if k == '*':
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                star = {}
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                for key in knownargs.keys():
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                    if key != 'cmd' and key not in keys:
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                        star[key] = knownargs[key][0]
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                data['*'] = star
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            else:
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                data[k] = knownargs[k][0]
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        return [data[k] for k in keys]
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    def _args(self):
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        args = self.req.form.copy()
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        chunks = []
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        i = 1
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        while True:
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            h = self.req.env.get('HTTP_X_HGARG_' + str(i))
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            if h is None:
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                break
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            chunks += [h]
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            i += 1
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        args.update(cgi.parse_qs(''.join(chunks), keep_blank_values=True))
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        return args
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    def getfile(self, fp):
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        length = int(self.req.env['CONTENT_LENGTH'])
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        for s in util.filechunkiter(self.req, limit=length):
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            fp.write(s)
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    def redirect(self):
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        self.oldio = self.ui.fout, self.ui.ferr
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        self.ui.ferr = self.ui.fout = cStringIO.StringIO()
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    def restore(self):
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        val = self.ui.fout.getvalue()
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        self.ui.ferr, self.ui.fout = self.oldio
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        return val
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    def groupchunks(self, cg):
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        z = zlib.compressobj()
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        while True:
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            chunk = cg.read(4096)
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            if not chunk:
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                break
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            yield z.compress(chunk)
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        yield z.flush()
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    def _client(self):
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        return 'remote:%s:%s:%s' % (
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            self.req.env.get('wsgi.url_scheme') or 'http',
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            urllib.quote(self.req.env.get('REMOTE_HOST', '')),
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            urllib.quote(self.req.env.get('REMOTE_USER', '')))
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def iscmd(cmd):
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    return cmd in wireproto.commands
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def call(repo, req, cmd):
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    p = webproto(req, repo.ui)
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    rsp = wireproto.dispatch(repo, p, cmd)
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    if isinstance(rsp, str):
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        req.respond(HTTP_OK, HGTYPE, length=len(rsp))
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        return [rsp]
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    elif isinstance(rsp, wireproto.streamres):
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        req.respond(HTTP_OK, HGTYPE)
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        return rsp.gen
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    elif isinstance(rsp, wireproto.pushres):
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        val = p.restore()
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        req.respond(HTTP_OK, HGTYPE)
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        return ['%d\n%s' % (rsp.res, val)]
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    elif isinstance(rsp, wireproto.pusherr):
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        # drain the incoming bundle
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        req.drain()
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        p.restore()
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        rsp = '0\n%s\n' % rsp.res
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        req.respond(HTTP_OK, HGTYPE, length=len(rsp))
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        return [rsp]
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    elif isinstance(rsp, wireproto.ooberror):
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        rsp = rsp.message
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        req.respond(HTTP_OK, HGERRTYPE, length=len(rsp))
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        return [rsp]