/usr/lib/python2.7/dist-packages/framework/introspection.py is in fso-frameworkd 0.10.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | # Copyright (C) 2003, 2004, 2005, 2006 Red Hat Inc. <http://www.redhat.com/>
# Copyright (C) 2003 David Zeuthen
# Copyright (C) 2004 Rob Taylor
# Copyright (C) 2005, 2006 Collabora Ltd. <http://www.collabora.co.uk/>
# Copyright (C) 2007 John (J5) Palmieri
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use, copy,
# modify, merge, publish, distribute, sublicense, and/or sell copies
# of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
from xml.parsers.expat import ExpatError, ParserCreate
from dbus.exceptions import IntrospectionParserException
class _Parser(object):
__slots__ = ('map',
'in_iface',
'in_method',
'in_signal',
'in_property',
'property_access',
'in_sig',
'out_sig',
'node_level',
'in_signal')
def __init__(self):
self.map = {'child_nodes':[],'interfaces':{}}
self.in_iface = ''
self.in_method = ''
self.in_signal = ''
self.in_property = ''
self.property_access = ''
self.in_sig = []
self.out_sig = []
self.node_level = 0
def parse(self, data):
parser = ParserCreate('UTF-8', ' ')
parser.buffer_text = True
parser.StartElementHandler = self.StartElementHandler
parser.EndElementHandler = self.EndElementHandler
parser.Parse(data)
return self.map
def StartElementHandler(self, name, attributes):
if name == 'node':
self.node_level += 1
if self.node_level == 2:
self.map['child_nodes'].append(attributes['name'])
elif not self.in_iface:
if (not self.in_method and name == 'interface'):
self.in_iface = attributes['name']
else:
if (not self.in_method and name == 'method'):
self.in_method = attributes['name']
elif (self.in_method and name == 'arg'):
arg_type = attributes['type']
arg_name = attributes.get('name', None)
if attributes.get('direction', 'in') == 'in':
self.in_sig.append({'name': arg_name, 'type': arg_type})
if attributes.get('direction', 'out') == 'out':
self.out_sig.append({'name': arg_name, 'type': arg_type})
elif (not self.in_signal and name == 'signal'):
self.in_signal = attributes['name']
elif (self.in_signal and name == 'arg'):
arg_type = attributes['type']
arg_name = attributes.get('name', None)
if attributes.get('direction', 'in') == 'in':
self.in_sig.append({'name': arg_name, 'type': arg_type})
elif (not self.in_property and name == 'property'):
prop_type = attributes['type']
prop_name = attributes['name']
self.in_property = prop_name
self.in_sig.append({'name': prop_name, 'type': prop_type})
self.property_access = attributes['access']
def EndElementHandler(self, name):
if name == 'node':
self.node_level -= 1
elif self.in_iface:
if (not self.in_method and name == 'interface'):
self.in_iface = ''
elif (self.in_method and name == 'method'):
if not self.map['interfaces'].has_key(self.in_iface):
self.map['interfaces'][self.in_iface]={'methods':{}, 'signals':{}, 'properties':{}}
if self.map['interfaces'][self.in_iface]['methods'].has_key(self.in_method):
print "ERROR: Some clever service is trying to be cute and has the same method name in the same interface"
else:
self.map['interfaces'][self.in_iface]['methods'][self.in_method] = (self.in_sig, self.out_sig)
self.in_method = ''
self.in_sig = []
self.out_sig = []
elif (self.in_signal and name == 'signal'):
if not self.map['interfaces'].has_key(self.in_iface):
self.map['interfaces'][self.in_iface]={'methods':{}, 'signals':{}, 'properties':{}}
if self.map['interfaces'][self.in_iface]['signals'].has_key(self.in_signal):
print "ERROR: Some clever service is trying to be cute and has the same signal name in the same interface"
else:
self.map['interfaces'][self.in_iface]['signals'][self.in_signal] = (self.in_sig,)
self.in_signal = ''
self.in_sig = []
self.out_sig = []
elif (self.in_property and name == 'property'):
if not self.map['interfaces'].has_key(self.in_iface):
self.map['interfaces'][self.in_iface]={'methods':{}, 'signals':{}, 'properties':{}}
if self.map['interfaces'][self.in_iface]['properties'].has_key(self.in_property):
print "ERROR: Some clever service is trying to be cute and has the same property name in the same interface"
else:
self.map['interfaces'][self.in_iface]['properties'][self.in_property] = (self.in_sig, self.property_access)
self.in_property = ''
self.in_sig = []
self.out_sig = []
self.property_access = ''
def process_introspection_data(data):
"""Return a structure mapping all of the elements from the introspect data
to python types TODO: document this structure
:Parameters:
`data` : str
The introspection XML. Must be an 8-bit string of UTF-8.
"""
try:
return _Parser().parse(data)
except Exception, e:
raise IntrospectionParserException('%s: %s' % (e.__class__, e))
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