Mercurial > libervia-backend

annotate sat/bridge/bridge_constructor/constructors/pb/pb_frontend_template.py @ 3039:a1bc34f90fa5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
bridge (pb): implemented an asyncio compatible bridge: `pb` bridge can now be used with asyncio by instantiating AIOBridge.
author Goffi <goffi@goffi.org>
date Wed, 25 Sep 2019 08:53:38 +0200
parents ab2696e34d29
children 84bb63e1e4c4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
1 #!/usr/bin/env python3
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
2 # -*- coding: utf-8 -*-
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
3
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
4 # SAT communication bridge
2771
003b8b4b56a7 date update
Goffi <goffi@goffi.org>
parents: 2765
diff changeset
5 # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org)
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
6
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
7 # This program is free software: you can redistribute it and/or modify
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
8 # it under the terms of the GNU Affero General Public License as published by
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
9 # the Free Software Foundation, either version 3 of the License, or
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
10 # (at your option) any later version.
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
11
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
12 # This program is distributed in the hope that it will be useful,
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
15 # GNU Affero General Public License for more details.
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
16
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
17 # You should have received a copy of the GNU Affero General Public License
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
19
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
20 import asyncio
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
21 from functools import partial
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
22 from twisted.spread import pb
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
23 from twisted.internet import reactor, defer
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
24 from twisted.internet.error import ConnectionRefusedError
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
25 from logging import getLogger
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
26 from sat.core import exceptions
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
27 from sat_frontends.bridge.bridge_frontend import BridgeException
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
28
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
29 log = getLogger(__name__)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
30
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
31
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
32 class SignalsHandler(pb.Referenceable):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
33 def __getattr__(self, name):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
34 if name.startswith("remote_"):
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
35 log.debug("calling an unregistered signal: {name}".format(name=name[7:]))
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
36 return lambda *args, **kwargs: None
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
37
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
38 else:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
39 raise AttributeError(name)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
40
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
41 def register_signal(self, name, handler, iface="core"):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
42 log.debug("registering signal {name}".format(name=name))
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
43 method_name = "remote_" + name
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
44 try:
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
45 self.__getattribute__(method_name)
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
46 except AttributeError:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
47 pass
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
48 else:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
49 raise exceptions.InternalError(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
50 "{name} signal handler has been registered twice".format(
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
51 name=method_name
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
52 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
53 )
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
54 setattr(self, method_name, handler)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
55
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
56
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
57 class Bridge(object):
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
58
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
59 def __init__(self):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
60 self.signals_handler = SignalsHandler()
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
61
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
62 def __getattr__(self, name):
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
63 return partial(self.call, name)
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
64
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
65 def remoteCallback(self, result, callback):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
66 """call callback with argument or None
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
67
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
68 if result is not None not argument is used,
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
69 else result is used as argument
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
70 @param result: remote call result
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
71 @param callback(callable): method to call on result
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
72 """
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
73 if result is None:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
74 callback()
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
75 else:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
76 callback(result)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
77
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
78 def call(self, name, *args, **kwargs):
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
79 """call a remote method
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
80
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
81 @param name(str): name of the bridge method
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
82 @param args(list): arguments
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
83 may contain callback and errback as last 2 items
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
84 @param kwargs(dict): keyword arguments
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
85 may contain callback and errback
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
86 """
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
87 callback = errback = None
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
88 if kwargs:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
89 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
90 callback = kwargs.pop("callback")
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
91 except KeyError:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
92 pass
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
93 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
94 errback = kwargs.pop("errback")
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
95 except KeyError:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
96 pass
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
97 elif len(args) >= 2 and callable(args[-1]) and callable(args[-2]):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
98 errback = args.pop()
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
99 callback = args.pop()
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
100 d = self.root.callRemote(name, *args, **kwargs)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
101 if callback is not None:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
102 d.addCallback(self.remoteCallback, callback)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
103 if errback is not None:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
104 d.addErrback(errback)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
105
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
106 def _initBridgeEb(self, failure_):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
107 log.error("Can't init bridge: {msg}".format(msg=failure_))
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
108 return failure_
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
109
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
110 def _set_root(self, root):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
111 """set remote root object
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
112
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
113 bridge will then be initialised
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
114 """
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
115 self.root = root
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
116 d = root.callRemote("initBridge", self.signals_handler)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
117 d.addErrback(self._initBridgeEb)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
118 return d
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
119
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
120 def getRootObjectEb(self, failure_):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
121 """Call errback with appropriate bridge error"""
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
122 if failure_.check(ConnectionRefusedError):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
123 raise exceptions.BridgeExceptionNoService
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
124 else:
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
125 raise failure_
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
126
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
127 def bridgeConnect(self, callback, errback):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
128 factory = pb.PBClientFactory()
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
129 reactor.connectTCP("localhost", 8789, factory)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
130 d = factory.getRootObject()
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
131 d.addCallback(self._set_root)
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
132 if callback is not None:
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
133 d.addCallback(lambda __: callback())
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
134 d.addErrback(self.getRootObjectEb)
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
135 if errback is not None:
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
136 d.addErrback(lambda failure_: errback(failure_.value))
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
137 return d
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
138
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
139 def register_signal(self, functionName, handler, iface="core"):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
140 self.signals_handler.register_signal(functionName, handler, iface)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
141
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
142
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
143 ##METHODS_PART##
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
144
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
145 class AIOSignalsHandler(SignalsHandler):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
146
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
147 def register_signal(self, name, handler, iface="core"):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
148 async_handler = lambda *args, **kwargs: defer.Deferred.fromFuture(
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
149 asyncio.ensure_future(handler(*args, **kwargs)))
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
150 return super().register_signal(name, async_handler, iface)
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
151
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
152
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
153 class AIOBridge(Bridge):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
154
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
155 def __init__(self):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
156 self.signals_handler = AIOSignalsHandler()
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
157
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
158 def _errback(self, failure_):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
159 raise BridgeException(
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
160 name=failure_.type.decode('utf-8'),
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
161 message=str(failure_.value)
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
162 )
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
163
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
164 def call(self, name, *args, **kwargs):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
165 d = self.root.callRemote(name, *args, *kwargs)
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
166 d.addErrback(self._errback)
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
167 return d.asFuture(asyncio.get_event_loop())
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
168
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
169 async def bridgeConnect(self):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
170 d = super().bridgeConnect(callback=None, errback=None)
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
171 return await d.asFuture(asyncio.get_event_loop())
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
172
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
173 ##ASYNC_METHODS_PART##