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Viewing changes to MoinMoin/request/request_wsgi.py

  • Committer: Bazaar Package Importer
  • Author(s): Jonas Smedegaard
  • Date: 2008-06-22 21:17:13 UTC
  • mto: This revision was merged to the branch mainline in revision 18.
  • Revision ID: james.westby@ubuntu.com-20080622211713-inlv5k4eifxckelr
Import upstream version 1.7.0

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MoinMoin/request/request_wsgi.py
 
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# -*- coding: iso-8859-1 -*-
 
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"""
 
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    MoinMoin - WSGI Request Implementation for std. WSGI web servers.
 
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    @copyright: 2001-2003 Juergen Hermann <jh@web.de>,
 
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                2003-2006 MoinMoin:ThomasWaldmann
 
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    @license: GNU GPL, see COPYING for details.
 
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"""
 
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import cgi, StringIO
 
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from MoinMoin import log
 
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logging = log.getLogger(__name__)
 
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from MoinMoin.request import RequestBase, RemoteClosedConnection
 
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class Request(RequestBase):
 
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    """ specialized on WSGI requests """
 
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    def __init__(self, env):
 
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        try:
 
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            self.env = env
 
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            self.hasContentType = False
 
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            self.stdin = env['wsgi.input']
 
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            self.stdout = StringIO.StringIO()
 
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            # used by MoinMoin.server.server_wsgi:
 
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            self.status = '200 OK'
 
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            self.headers = []
 
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            # used by send_file()
 
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            self._send_file = None
 
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            self._send_bufsize = None
 
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            self._setup_vars_from_std_env(env)
 
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            RequestBase.__init__(self, {})
 
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        except Exception, err:
 
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            self.fail(err)
 
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    def _setup_args_from_cgi_form(self):
 
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        """ Override to create cgi form """
 
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        form = cgi.FieldStorage(fp=self.stdin, environ=self.env, keep_blank_values=1)
 
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        return RequestBase._setup_args_from_cgi_form(self, form)
 
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    def read(self, n):
 
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        if n is None:
 
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            logging.warning("calling request.read(None) might block")
 
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            return self.stdin.read()
 
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        else:
 
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            return self.stdin.read(n)
 
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    def send_file(self, fileobj, bufsize=8192, do_flush=None):
 
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        # For now, we just remember fileobj and bufsize for sending it later:
 
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        self._send_file = fileobj
 
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        self._send_bufsize = bufsize
 
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    def write(self, *data):
 
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        data = self.encode(data)
 
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        try:
 
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            self.stdout.write(data)
 
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        except Exception:
 
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            raise RemoteClosedConnection()
 
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    def _emit_http_headers(self, headers):
 
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        """ private method to send out preprocessed list of HTTP headers """
 
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        st_header, other_headers = headers[0], headers[1:]
 
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        self.status = st_header.split(':', 1)[1].lstrip()
 
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        for header in other_headers:
 
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            key, value = header.split(':', 1)
 
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            value = value.lstrip()
 
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            self.headers.append((key, value))
 
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    def flush(self):
 
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        pass
 
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    def output(self):
 
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        # called by MoinMoin.server.server_wsgi
 
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        return self.stdout.getvalue()
 
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