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"""
Slixmpp: The Slick XMPP Library
Copyright (C) 2012 Nathanael C. Fritz, Lance J.T. Stout
This file is part of Slixmpp.
See the file LICENSE for copying permission.
"""
from collections import OrderedDict
from slixmpp.xmlstream import ET, ElementBase
class Headers(ElementBase):
name = 'headers'
namespace = 'http://jabber.org/protocol/shim'
plugin_attrib = 'headers'
interfaces = {'headers'}
is_extension = True
def get_headers(self):
result = OrderedDict()
headers = self.xml.findall('{%s}header' % self.namespace)
for header in headers:
name = header.attrib.get('name', '')
value = header.text
if name in result:
if not isinstance(result[name], set):
result[name] = [result[name]]
else:
result[name] = []
result[name].add(value)
else:
result[name] = value
return result
def set_headers(self, values):
self.del_headers()
for name in values:
vals = values[name]
if not isinstance(vals, (list, set)):
vals = [values[name]]
for value in vals:
header = ET.Element('{%s}header' % self.namespace)
header.attrib['name'] = name
header.text = value
self.xml.append(header)
def del_headers(self):
headers = self.xml.findall('{%s}header' % self.namespace)
for header in headers:
self.xml.remove(header)
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