Mercurial > hg
view mercurial/hgweb/protocol.py @ 16773:d490edc71146
hgweb: make graph data suitable for template usage
Previously, graph data has been encoded for processing done by
JavaScript code run in the browser, employing simple structures
with implicit member positions. This patch modifies the graph
command to also produce data employing a dictionary-based
structure suitable for use with the templating mechanism, thus
permitting other ways of presenting repository graphs using that
mechanism.
In order to test these changes, the raw theme has been modified
to include templates for graph nodes and edges. In a similar
fashion, themes could employ technologies such as SVG that lend
themselves to templating to produce the graph display. This patch
makes use of a much simpler output representation than SVG in
order to maintain clarity.
author | Paul Boddie <paul@boddie.org.uk> |
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date | Mon, 21 May 2012 00:20:05 +0200 |
parents | f4522df38c65 |
children | 6c2563b2c1c6 |
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# # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net> # 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 version 2 or any later version. import cgi, cStringIO, zlib, urllib from mercurial import util, wireproto from common import HTTP_OK HGTYPE = 'application/mercurial-0.1' HGERRTYPE = 'application/hg-error' class webproto(object): def __init__(self, req, ui): self.req = req self.response = '' self.ui = ui def getargs(self, args): knownargs = self._args() data = {} keys = args.split() for k in keys: if k == '*': star = {} for key in knownargs.keys(): if key != 'cmd' and key not in keys: star[key] = knownargs[key][0] data['*'] = star else: data[k] = knownargs[k][0] return [data[k] for k in keys] def _args(self): args = self.req.form.copy() chunks = [] i = 1 while True: h = self.req.env.get('HTTP_X_HGARG_' + str(i)) if h is None: break chunks += [h] i += 1 args.update(cgi.parse_qs(''.join(chunks), keep_blank_values=True)) return args def getfile(self, fp): length = int(self.req.env['CONTENT_LENGTH']) for s in util.filechunkiter(self.req, limit=length): fp.write(s) def redirect(self): self.oldio = self.ui.fout, self.ui.ferr self.ui.ferr = self.ui.fout = cStringIO.StringIO() def restore(self): val = self.ui.fout.getvalue() self.ui.ferr, self.ui.fout = self.oldio return val def groupchunks(self, cg): z = zlib.compressobj() while True: chunk = cg.read(4096) if not chunk: break yield z.compress(chunk) yield z.flush() def _client(self): return 'remote:%s:%s:%s' % ( self.req.env.get('wsgi.url_scheme') or 'http', urllib.quote(self.req.env.get('REMOTE_HOST', '')), urllib.quote(self.req.env.get('REMOTE_USER', ''))) def iscmd(cmd): return cmd in wireproto.commands def call(repo, req, cmd): p = webproto(req, repo.ui) rsp = wireproto.dispatch(repo, p, cmd) if isinstance(rsp, str): req.respond(HTTP_OK, HGTYPE, length=len(rsp)) return [rsp] elif isinstance(rsp, wireproto.streamres): req.respond(HTTP_OK, HGTYPE) return rsp.gen elif isinstance(rsp, wireproto.pushres): val = p.restore() req.respond(HTTP_OK, HGTYPE) return ['%d\n%s' % (rsp.res, val)] elif isinstance(rsp, wireproto.pusherr): # drain the incoming bundle req.drain() p.restore() rsp = '0\n%s\n' % rsp.res req.respond(HTTP_OK, HGTYPE, length=len(rsp)) return [rsp] elif isinstance(rsp, wireproto.ooberror): rsp = rsp.message req.respond(HTTP_OK, HGERRTYPE, length=len(rsp)) return [rsp]