Mercurial > hg
view mercurial/hgweb/request.py @ 5969:821fc5c0656c
Merge with -stable
author | Matt Mackall <mpm@selenic.com> |
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date | Thu, 31 Jan 2008 14:44:00 -0600 |
parents | c301f15c965a |
children | 948a41e77902 |
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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, incorporated herein by reference. import socket, cgi, errno from mercurial.i18n import gettext as _ from common import ErrorResponse, statusmessage 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.server_write = None 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 = cgi.parse(self.inp, self.env, keep_blank_values=1) self._start_response = start_response self.headers = [] def __iter__(self): return iter([]) def read(self, count=-1): return self.inp.read(count) def start_response(self, status): if self._start_response is not None: if not self.headers: raise RuntimeError("request.write called before headers sent") for k, v in self.headers: if not isinstance(v, str): raise TypeError('header value must be string: %r' % v) if isinstance(status, ErrorResponse): status = statusmessage(status.code) elif isinstance(status, int): status = statusmessage(status) self.server_write = self._start_response(status, self.headers) self._start_response = None self.headers = [] def respond(self, status, *things): if not things: self.start_response(status) for thing in things: if hasattr(thing, "__iter__"): for part in thing: self.respond(status, part) else: thing = str(thing) self.start_response(status) try: self.server_write(thing) except socket.error, inst: if inst[0] != errno.ECONNRESET: raise def write(self, *things): self.respond('200 Script output follows', *things) def writelines(self, lines): for line in lines: self.write(line) def flush(self): return None def close(self): return None def header(self, headers=[('Content-Type','text/html')]): self.headers.extend(headers) def httphdr(self, type, filename=None, length=0, headers={}): headers = headers.items() headers.append(('Content-Type', type)) if filename: headers.append(('Content-Disposition', 'inline; filename=%s' % filename)) if length: headers.append(('Content-Length', str(length))) self.header(headers) 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