ref: 26d36c3ae2fd6ae40148be58589ea5e81b0ca341
dir: /sys/lib/python/mercurial/hgweb/request.py/
# hgweb/request.py - An http request from either CGI or the standalone server. # # Copyright 21 May 2005 - (c) 2005 Jake Edge <[email protected]> # Copyright 2005, 2006 Matt Mackall <[email protected]> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2, incorporated herein by reference. import socket, cgi, errno from mercurial import util from common import ErrorResponse, statusmessage 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 expand(form): 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] 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 = expand(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', 0)) for s in util.filechunkiter(self.inp, limit=length): pass def respond(self, status, type=None, filename=None, length=0): if self._start_response is not None: self.httphdr(type, filename, length) 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): self.header(status.headers) status = statusmessage(status.code) 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 = [] def write(self, thing): if hasattr(thing, "__iter__"): for part in thing: self.write(part) else: thing = str(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 header(self, headers=[('Content-Type','text/html')]): self.headers.extend(headers) def httphdr(self, type=None, filename=None, length=0, headers={}): headers = headers.items() if type is not None: headers.append(('Content-Type', type)) if filename: filename = (filename.split('/')[-1] .replace('\\', '\\\\').replace('"', '\\"')) 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