Mercurial > hg
view mercurial/hgweb/request.py @ 24119:a5a06c9c7407
mdiff: add helper for making deltas which replace the full text of a revision
This helper will be used initially for censor-aware delta generation. Deltas
which replace the full contents of the base revision are guaranteed to apply
correctly regardless of whether the delta recipient has censored the base.
For background and broader design of the censorship feature, see:
http://mercurial.selenic.com/wiki/CensorPlan
author | Mike Edgar <adgar@google.com> |
---|---|
date | Wed, 21 Jan 2015 16:35:09 -0500 |
parents | e33b9b92a200 |
children | 328739ea70c3 |
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# hgweb/request.py - An http request from either CGI or the standalone server. # # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net> # Copyright 2005, 2006 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 socket, cgi, errno from mercurial import util from common import ErrorResponse, statusmessage, HTTP_NOT_MODIFIED shortcuts = { 'cl': [('cmd', ['changelog']), ('rev', None)], 'sl': [('cmd', ['shortlog']), ('rev', None)], 'cs': [('cmd', ['changeset']), ('node', None)], 'f': [('cmd', ['file']), ('filenode', None)], 'fl': [('cmd', ['filelog']), ('filenode', None)], 'fd': [('cmd', ['filediff']), ('node', None)], 'fa': [('cmd', ['annotate']), ('filenode', None)], 'mf': [('cmd', ['manifest']), ('manifest', None)], 'ca': [('cmd', ['archive']), ('node', None)], 'tags': [('cmd', ['tags'])], 'tip': [('cmd', ['changeset']), ('node', ['tip'])], 'static': [('cmd', ['static']), ('file', None)] } def normalize(form): # first expand the shortcuts for k in shortcuts.iterkeys(): if k in form: for name, value in shortcuts[k]: if value is None: value = form[k] form[name] = value del form[k] # And strip the values for k, v in form.iteritems(): form[k] = [i.strip() for i in v] return form class wsgirequest(object): def __init__(self, wsgienv, start_response): version = wsgienv['wsgi.version'] if (version < (1, 0)) or (version >= (2, 0)): raise RuntimeError("Unknown and unsupported WSGI version %d.%d" % version) self.inp = wsgienv['wsgi.input'] self.err = wsgienv['wsgi.errors'] self.threaded = wsgienv['wsgi.multithread'] self.multiprocess = wsgienv['wsgi.multiprocess'] self.run_once = wsgienv['wsgi.run_once'] self.env = wsgienv self.form = normalize(cgi.parse(self.inp, self.env, keep_blank_values=1)) self._start_response = start_response self.server_write = None self.headers = [] def __iter__(self): return iter([]) def read(self, count=-1): return self.inp.read(count) def drain(self): '''need to read all data from request, httplib is half-duplex''' length = int(self.env.get('CONTENT_LENGTH') or 0) for s in util.filechunkiter(self.inp, limit=length): pass def respond(self, status, type, filename=None, body=None): if self._start_response is not None: self.headers.append(('Content-Type', type)) if filename: filename = (filename.split('/')[-1] .replace('\\', '\\\\').replace('"', '\\"')) self.headers.append(('Content-Disposition', 'inline; filename="%s"' % filename)) if body is not None: self.headers.append(('Content-Length', str(len(body)))) for k, v in self.headers: if not isinstance(v, str): raise TypeError('header value must be string: %r' % (v,)) if isinstance(status, ErrorResponse): self.headers.extend(status.headers) if status.code == HTTP_NOT_MODIFIED: # RFC 2616 Section 10.3.5: 304 Not Modified has cases where # it MUST NOT include any headers other than these and no # body self.headers = [(k, v) for (k, v) in self.headers if k in ('Date', 'ETag', 'Expires', 'Cache-Control', 'Vary')] status = statusmessage(status.code, status.message) elif status == 200: status = '200 Script output follows' elif isinstance(status, int): status = statusmessage(status) self.server_write = self._start_response(status, self.headers) self._start_response = None self.headers = [] if body is not None: self.write(body) self.server_write = None def write(self, thing): if thing: try: self.server_write(thing) except socket.error, inst: if inst[0] != errno.ECONNRESET: raise def writelines(self, lines): for line in lines: self.write(line) def flush(self): return None def close(self): return None def wsgiapplication(app_maker): '''For compatibility with old CGI scripts. A plain hgweb() or hgwebdir() can and should now be used as a WSGI application.''' application = app_maker() def run_wsgi(env, respond): return application(env, respond) return run_wsgi