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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
# -*- coding: utf-8 -*-
# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from frozendict import frozendict
import copy
def _freeze(o):
if isinstance(o, dict) or isinstance(o, frozendict):
return frozendict({k: _freeze(v) for k, v in o.items()})
if isinstance(o, basestring):
return o
try:
return tuple([_freeze(i) for i in o])
except TypeError:
pass
return o
def _unfreeze(o):
if isinstance(o, frozendict) or isinstance(o, dict):
return dict({k: _unfreeze(v) for k, v in o.items()})
if isinstance(o, basestring):
return o
try:
return [_unfreeze(i) for i in o]
except TypeError:
pass
return o
class _EventInternalMetadata(object):
def __init__(self, internal_metadata_dict):
self.__dict__ = copy.deepcopy(internal_metadata_dict)
def get_dict(self):
return dict(self.__dict__)
def is_outlier(self):
return hasattr(self, "outlier") and self.outlier
def _event_dict_property(key):
def getter(self):
return self._event_dict[key]
def setter(self, v):
self._event_dict[key] = v
def delete(self):
del self._event_dict[key]
return property(
getter,
setter,
delete,
)
class EventBase(object):
def __init__(self, event_dict, signatures={}, unsigned={},
internal_metadata_dict={}):
self.signatures = copy.deepcopy(signatures)
self.unsigned = copy.deepcopy(unsigned)
self._event_dict = copy.deepcopy(event_dict)
self.internal_metadata = _EventInternalMetadata(
internal_metadata_dict
)
auth_events = _event_dict_property("auth_events")
depth = _event_dict_property("depth")
content = _event_dict_property("content")
event_id = _event_dict_property("event_id")
hashes = _event_dict_property("hashes")
origin = _event_dict_property("origin")
origin_server_ts = _event_dict_property("origin_server_ts")
prev_events = _event_dict_property("prev_events")
prev_state = _event_dict_property("prev_state")
room_id = _event_dict_property("room_id")
sender = _event_dict_property("sender")
state_key = _event_dict_property("state_key")
type = _event_dict_property("type")
user_id = _event_dict_property("sender")
@property
def membership(self):
return self.content["membership"]
def is_state(self):
return hasattr(self, "state_key")
def get_dict(self):
d = dict(self._event_dict)
d.update({
"signatures": self.signatures,
"unsigned": self.unsigned,
})
return d
def get(self, key, default):
return self._event_dict.get(key, default)
def get_internal_metadata_dict(self):
return self.internal_metadata.get_dict()
def get_pdu_json(self, time_now=None):
pdu_json = self.get_dict()
if time_now is not None and "age_ts" in pdu_json["unsigned"]:
age = time_now - pdu_json["unsigned"]["age_ts"]
pdu_json.setdefault("unsigned", {})["age"] = int(age)
del pdu_json["unsigned"]["age_ts"]
return pdu_json
def __set__(self, instance, value):
raise AttributeError("Unrecognized attribute %s" % (instance,))
class FrozenEvent(EventBase):
def __init__(self, event_dict):
event_dict = copy.deepcopy(event_dict)
signatures = copy.deepcopy(event_dict.pop("signatures", {}))
unsigned = copy.deepcopy(event_dict.pop("unsigned", {}))
frozen_dict = _freeze(event_dict)
super(FrozenEvent, self).__init__(
frozen_dict,
signatures=signatures,
unsigned=unsigned
)
@staticmethod
def from_event(event):
e = FrozenEvent(
event.get_pdu_json()
)
e.internal_metadata = event.internal_metadata
return e
def get_dict(self):
# We need to unfreeze what we return
return _unfreeze(super(FrozenEvent, self).get_dict())
def __str__(self):
return self.__repr__()
def __repr__(self):
return "<FrozenEvent event_id='%s', type='%s', state_key='%s'>" % (
self.event_id, self.type, self.get("state_key", None),
)
|
