# Copyright (c) 2005, 2006 Allan Saddi # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. # # $Id$ """ fcgi - a FastCGI/WSGI gateway. For more information about FastCGI, see . For more information about the Web Server Gateway Interface, see . Example usage: #!/usr/bin/env python from myapplication import app # Assume app is your WSGI application object from fcgi import WSGIServer WSGIServer(app).run() See the documentation for WSGIServer for more information. On most platforms, fcgi will fallback to regular CGI behavior if run in a non-FastCGI context. If you want to force CGI behavior, set the environment variable FCGI_FORCE_CGI to "Y" or "y". """ __author__ = 'Allan Saddi ' __version__ = '$Revision$' import os from flup.server.fcgi_base import BaseFCGIServer, FCGI_RESPONDER from flup.server.threadedserver import ThreadedServer __all__ = ['WSGIServer'] class WSGIServer(BaseFCGIServer, ThreadedServer): """ FastCGI server that supports the Web Server Gateway Interface. See . """ def __init__(self, application, environ=None, multithreaded=True, multiprocess=False, bindAddress=None, umask=None, multiplexed=False, debug=True, roles=(FCGI_RESPONDER,), **kw): """ environ, if present, must be a dictionary-like object. Its contents will be copied into application's environ. Useful for passing application-specific variables. bindAddress, if present, must either be a string or a 2-tuple. If present, run() will open its own listening socket. You would use this if you wanted to run your application as an 'external' FastCGI app. (i.e. the webserver would no longer be responsible for starting your app) If a string, it will be interpreted as a filename and a UNIX socket will be opened. If a tuple, the first element, a string, is the interface name/IP to bind to, and the second element (an int) is the port number. """ BaseFCGIServer.__init__(self, application, environ=environ, multithreaded=multithreaded, multiprocess=multiprocess, bindAddress=bindAddress, umask=umask, multiplexed=multiplexed, debug=debug, roles=roles) for key in ('jobClass', 'jobArgs'): if kw.has_key(key): del kw[key] ThreadedServer.__init__(self, jobClass=self._connectionClass, jobArgs=(self,), **kw) def _isClientAllowed(self, addr): return self._web_server_addrs is None or \ (len(addr) == 2 and addr[0] in self._web_server_addrs) def run(self): """ The main loop. Exits on SIGHUP, SIGINT, SIGTERM. Returns True if SIGHUP was received, False otherwise. """ self._web_server_addrs = os.environ.get('FCGI_WEB_SERVER_ADDRS') if self._web_server_addrs is not None: self._web_server_addrs = map(lambda x: x.strip(), self._web_server_addrs.split(',')) sock = self._setupSocket() ret = ThreadedServer.run(self, sock) self._cleanupSocket(sock) return ret def factory(global_conf, host=None, port=None, **local): import paste_factory return paste_factory.helper(WSGIServer, global_conf, host, port, **local) if __name__ == '__main__': def test_app(environ, start_response): """Probably not the most efficient example.""" import cgi start_response('200 OK', [('Content-Type', 'text/html')]) yield 'Hello World!\n' \ '\n' \ '

Hello World!

\n' \ '' names = environ.keys() names.sort() for name in names: yield '\n' % ( name, cgi.escape(`environ[name]`)) form = cgi.FieldStorage(fp=environ['wsgi.input'], environ=environ, keep_blank_values=1) if form.list: yield '' for field in form.list: yield '\n' % ( field.name, field.value) yield '
%s%s
Form data
%s%s
\n' \ '\n' from wsgiref import validate test_app = validate.validator(test_app) WSGIServer(test_app).run()