author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Tue, 01 Jun 2010 12:21:03 +0200 | |
branch | stable |
changeset 5617 | f0bc8f5ddee2 |
parent 5424 | 8ecbcbff9777 |
child 7815 | 2a164a9cf81c |
permissions | -rw-r--r-- |
5421
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
1 |
# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
2 |
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
3 |
# |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
4 |
# This file is part of CubicWeb. |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
5 |
# |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
6 |
# CubicWeb is free software: you can redistribute it and/or modify it under the |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
7 |
# terms of the GNU Lesser General Public License as published by the Free |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
8 |
# Software Foundation, either version 2.1 of the License, or (at your option) |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
9 |
# any later version. |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
10 |
# |
5424
8ecbcbff9777
replace logilab-common by CubicWeb in disclaimer
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
5421
diff
changeset
|
11 |
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT |
5421
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
12 |
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
13 |
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
14 |
# details. |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
15 |
# |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
16 |
# You should have received a copy of the GNU Lesser General Public License along |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4212
diff
changeset
|
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# with CubicWeb. If not, see <http://www.gnu.org/licenses/>. |
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"""This package contains all WSGI specific code for cubicweb |
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NOTE: this package borrows a lot of code to Django |
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(http://www.djangoproject.com) and to the wsgiref module |
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of the python2.5's stdlib. |
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WSGI corresponding PEP: http://www.python.org/dev/peps/pep-0333/ |
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""" |
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__docformat__ = "restructuredtext en" |
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from email import message, message_from_string |
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from Cookie import SimpleCookie |
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from StringIO import StringIO |
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from cgi import parse_header, parse_qsl |
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from pprint import pformat as _pformat |
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def pformat(obj): |
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"""pretty prints `obj` if possible""" |
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try: |
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return _pformat(obj) |
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except: |
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return u'<could not parse>' |
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1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
0
diff
changeset
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def qs2dict(qs): |
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"""transforms a query string into a regular python dict""" |
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result = {} |
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for key, value in parse_qsl(qs, True): |
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result.setdefault(key, []).append(value) |
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return result |
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def normalize_header(header): |
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"""returns a normalized header name |
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1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
0
diff
changeset
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>>> normalize_header('User_Agent') |
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'User-agent' |
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""" |
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return header.replace('_', '-').capitalize() |
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def safe_copyfileobj(fsrc, fdst, length=16*1024, size=0): |
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""" |
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THIS COMES FROM DJANGO |
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A version of shutil.copyfileobj that will not read more than 'size' bytes. |
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This makes it safe from clients sending more than CONTENT_LENGTH bytes of |
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data in the body. |
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""" |
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if not size: |
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return |
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while size > 0: |
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buf = fsrc.read(min(length, size)) |
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if not buf: |
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break |
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fdst.write(buf) |
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size -= len(buf) |
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def parse_file_upload(header_dict, post_data): |
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"""This is adapted FROM DJANGO""" |
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raw_message = '\r\n'.join('%s:%s' % pair for pair in header_dict.iteritems()) |
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raw_message += '\r\n\r\n' + post_data |
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msg = message_from_string(raw_message) |
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post, files = {}, {} |
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for submessage in msg.get_payload(): |
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name_dict = parse_header(submessage['Content-Disposition'])[1] |
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key = name_dict['name'] |
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# name_dict is something like {'name': 'file', 'filename': 'test.txt'} for file uploads |
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# or {'name': 'blah'} for POST fields |
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# We assume all uploaded files have a 'filename' set. |
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if 'filename' in name_dict: |
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assert type([]) != type(submessage.get_payload()), "Nested MIME messages are not supported" |
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if not name_dict['filename'].strip(): |
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continue |
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# IE submits the full path, so trim everything but the basename. |
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# (We can't use os.path.basename because that uses the server's |
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# directory separator, which may not be the same as the |
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# client's one.) |
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filename = name_dict['filename'][name_dict['filename'].rfind("\\")+1:] |
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mimetype = 'Content-Type' in submessage and submessage['Content-Type'] or None |
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content = StringIO(submessage.get_payload()) |
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files[key] = [filename, mimetype, content] |
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else: |
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post.setdefault(key, []).append(submessage.get_payload()) |
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return post, files |