+
−# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+
−# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+
−#
+
−# This file is part of CubicWeb.
+
−#
+
−# CubicWeb is free software: you can redistribute it and/or modify it under the
+
−# terms of the GNU Lesser General Public License as published by the Free
+
−# Software Foundation, either version 2.1 of the License, or (at your option)
+
−# any later version.
+
−#
+
−# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
+
−# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+
−# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+
−# details.
+
−#
+
−# You should have received a copy of the GNU Lesser General Public License along
+
−# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
+
−"""This package contains all WSGI specific code for cubicweb
+
−
+
−NOTE: this package borrows a lot of code to Django
+
−      (http://www.djangoproject.com) and to the wsgiref module
+
−      of the python2.5's stdlib.
+
−
+
−WSGI corresponding PEP: http://www.python.org/dev/peps/pep-0333/
+
−
+
−"""
+
−__docformat__ = "restructuredtext en"
+
−
+
−from email import message, message_from_string
+
−from pprint import pformat as _pformat
+
−
+
−from six.moves.http_cookies import SimpleCookie
+
−
+
−def pformat(obj):
+
−    """pretty prints `obj` if possible"""
+
−    try:
+
−        return _pformat(obj)
+
−    except Exception:
+
−        return u'<could not parse>'
+
−
+
−def normalize_header(header):
+
−    """returns a normalized header name
+
−
+
−    >>> normalize_header('User_Agent')
+
−    'User-agent'
+
−    """
+
−    return header.replace('_', '-').capitalize()
+
−
+
−def safe_copyfileobj(fsrc, fdst, length=16*1024, size=0):
+
−    """
+
−    THIS COMES FROM DJANGO
+
−    A version of shutil.copyfileobj that will not read more than 'size' bytes.
+
−    This makes it safe from clients sending more than CONTENT_LENGTH bytes of
+
−    data in the body.
+
−    """
+
−    if not size:
+
−        return
+
−    while size > 0:
+
−        buf = fsrc.read(min(length, size))
+
−        if not buf:
+
−            break
+
−        fdst.write(buf)
+
−        size -= len(buf)