Mercurial > hg
view mercurial/hgweb/protocol.py @ 8180:6fc30fe7f3e7
hgweb: use config.config
author | Matt Mackall <mpm@selenic.com> |
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date | Sun, 26 Apr 2009 16:50:43 -0500 |
parents | 496ae1ea4698 |
children | 46293a0c7e9f |
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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, incorporated herein by reference. import cStringIO, zlib, tempfile, errno, os, sys from mercurial import util, streamclone from mercurial.node import bin, hex from mercurial import changegroup as changegroupmod from common import ErrorResponse, HTTP_OK, HTTP_NOT_FOUND, HTTP_SERVER_ERROR # __all__ is populated with the allowed commands. Be sure to add to it if # you're adding a new command, or the new command won't work. __all__ = [ 'lookup', 'heads', 'branches', 'between', 'changegroup', 'changegroupsubset', 'capabilities', 'unbundle', 'stream_out', ] HGTYPE = 'application/mercurial-0.1' def lookup(repo, req): try: r = hex(repo.lookup(req.form['key'][0])) success = 1 except Exception,inst: r = str(inst) success = 0 resp = "%s %s\n" % (success, r) req.respond(HTTP_OK, HGTYPE, length=len(resp)) yield resp def heads(repo, req): resp = " ".join(map(hex, repo.heads())) + "\n" req.respond(HTTP_OK, HGTYPE, length=len(resp)) yield resp def branches(repo, req): nodes = [] if 'nodes' in req.form: nodes = map(bin, req.form['nodes'][0].split(" ")) resp = cStringIO.StringIO() for b in repo.branches(nodes): resp.write(" ".join(map(hex, b)) + "\n") resp = resp.getvalue() req.respond(HTTP_OK, HGTYPE, length=len(resp)) yield resp def between(repo, req): if 'pairs' in req.form: pairs = [map(bin, p.split("-")) for p in req.form['pairs'][0].split(" ")] resp = cStringIO.StringIO() for b in repo.between(pairs): resp.write(" ".join(map(hex, b)) + "\n") resp = resp.getvalue() req.respond(HTTP_OK, HGTYPE, length=len(resp)) yield resp def changegroup(repo, req): req.respond(HTTP_OK, HGTYPE) nodes = [] if 'roots' in req.form: nodes = map(bin, req.form['roots'][0].split(" ")) z = zlib.compressobj() f = repo.changegroup(nodes, 'serve') while 1: chunk = f.read(4096) if not chunk: break yield z.compress(chunk) yield z.flush() def changegroupsubset(repo, req): req.respond(HTTP_OK, HGTYPE) bases = [] heads = [] if 'bases' in req.form: bases = [bin(x) for x in req.form['bases'][0].split(' ')] if 'heads' in req.form: heads = [bin(x) for x in req.form['heads'][0].split(' ')] z = zlib.compressobj() f = repo.changegroupsubset(bases, heads, 'serve') while 1: chunk = f.read(4096) if not chunk: break yield z.compress(chunk) yield z.flush() def capabilities(repo, req): caps = ['lookup', 'changegroupsubset'] if repo.ui.configbool('server', 'uncompressed', untrusted=True): caps.append('stream=%d' % repo.changelog.version) if changegroupmod.bundlepriority: caps.append('unbundle=%s' % ','.join(changegroupmod.bundlepriority)) rsp = ' '.join(caps) req.respond(HTTP_OK, HGTYPE, length=len(rsp)) yield rsp def unbundle(repo, req): proto = req.env.get('wsgi.url_scheme') or 'http' their_heads = req.form['heads'][0].split(' ') def check_heads(): heads = map(hex, repo.heads()) return their_heads == [hex('force')] or their_heads == heads # fail early if possible if not check_heads(): req.drain() raise ErrorResponse(HTTP_OK, 'unsynced changes') # do not lock repo until all changegroup data is # streamed. save to temporary file. fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-') fp = os.fdopen(fd, 'wb+') try: length = int(req.env['CONTENT_LENGTH']) for s in util.filechunkiter(req, limit=length): fp.write(s) try: lock = repo.lock() try: if not check_heads(): raise ErrorResponse(HTTP_OK, 'unsynced changes') fp.seek(0) header = fp.read(6) if header.startswith('HG') and not header.startswith('HG10'): raise ValueError('unknown bundle version') elif header not in changegroupmod.bundletypes: raise ValueError('unknown bundle compression type') gen = changegroupmod.unbundle(header, fp) # send addchangegroup output to client oldio = sys.stdout, sys.stderr sys.stderr = sys.stdout = cStringIO.StringIO() try: url = 'remote:%s:%s' % (proto, req.env.get('REMOTE_HOST', '')) try: ret = repo.addchangegroup(gen, 'serve', url) except util.Abort, inst: sys.stdout.write("abort: %s\n" % inst) ret = 0 finally: val = sys.stdout.getvalue() sys.stdout, sys.stderr = oldio req.respond(HTTP_OK, HGTYPE) return '%d\n%s' % (ret, val), finally: lock.release() except ValueError, inst: raise ErrorResponse(HTTP_OK, inst) except (OSError, IOError), inst: filename = getattr(inst, 'filename', '') # Don't send our filesystem layout to the client if filename.startswith(repo.root): filename = filename[len(repo.root)+1:] else: filename = '' error = getattr(inst, 'strerror', 'Unknown error') if inst.errno == errno.ENOENT: code = HTTP_NOT_FOUND else: code = HTTP_SERVER_ERROR raise ErrorResponse(code, '%s: %s' % (error, filename)) finally: fp.close() os.unlink(tempname) def stream_out(repo, req): req.respond(HTTP_OK, HGTYPE) try: for chunk in streamclone.stream_out(repo, untrusted=True): yield chunk except streamclone.StreamException, inst: yield str(inst)