1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
# -*- test-case-name: tx_xmpp.test.test_shim -*-
#
# Copyright (c) Ralph Meijer.
# See LICENSE for details.
"""
XMPP Stanza Headers and Internet Metadata.
This protocol is specified in
U{XEP-0131<http://xmpp.org/extensions/xep-0131.html>}.
"""
from __future__ import division, absolute_import
from twisted.words.xish import domish
NS_SHIM = "http://jabber.org/protocol/shim"
class Headers(domish.Element):
def __init__(self, headers):
domish.Element.__init__(self, (NS_SHIM, "headers"))
for name, value in headers:
self.addElement("header", content=value)["name"] = name
def extractHeaders(stanza):
"""
Extract SHIM headers from stanza.
@param stanza: The stanza to extract headers from.
@type stanza: L{Element<twisted.words.xish.domish.Element>}
@return: Headers as a mapping from header name to a list of values.
@rtype: L{dict}
"""
headers = {}
for element in domish.generateElementsQNamed(stanza.children, "headers", NS_SHIM):
for header in domish.generateElementsQNamed(element.children, "header", NS_SHIM):
headers.setdefault(header["name"], []).append(str(header))
return headers
|
