Mercurial > libervia-backend

annotate sat/bridge/bridge_constructor/constructors/pb/pb_frontend_template.py @ 3291:449dfbfcdbcc

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
component file sharing: don't initialise the plugin if not component use it
author Goffi <goffi@goffi.org>
date Mon, 01 Jun 2020 11:15:16 +0200
parents f2e30aa031e9
children be6d91572633
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
3137
559a625a236b fixed shebangs
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
2
3243
f2e30aa031e9 bridge (pb): fixed conversions of Failure to BridgeException in non-AIO bridge
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
3 # SàT communication bridge
3136
9d0df638c8b4 dates update
Goffi <goffi@goffi.org>
parents: 3063
diff changeset
4 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org)
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
5
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
6 # 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
7 # 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
8 # 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
9 # (at your option) any later version.
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
10
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
11 # 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
12 # 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
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
14 # GNU Affero General Public License for more details.
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
15
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
16 # 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
17 # 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
18
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
19 import asyncio
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
20 from functools import partial
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
21 from twisted.spread import pb
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
22 from twisted.internet import reactor, defer
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
23 from twisted.internet.error import ConnectionRefusedError
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
24 from logging import getLogger
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
25 from sat.core import exceptions
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
26 from sat_frontends.bridge.bridge_frontend import BridgeException
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
27
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
28 log = getLogger(__name__)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
29
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 class SignalsHandler(pb.Referenceable):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
32 def __getattr__(self, name):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
33 if name.startswith("remote_"):
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
34 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
35 return lambda *args, **kwargs: None
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
36
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
37 else:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
38 raise AttributeError(name)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
39
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
40 def register_signal(self, name, handler, iface="core"):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
41 log.debug("registering signal {name}".format(name=name))
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
42 method_name = "remote_" + name
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
43 try:
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
44 self.__getattribute__(method_name)
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
45 except AttributeError:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
46 pass
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
47 else:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
48 raise exceptions.InternalError(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
49 "{name} signal handler has been registered twice".format(
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
50 name=method_name
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
51 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
52 )
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
53 setattr(self, method_name, handler)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
54
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 class Bridge(object):
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
57
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
58 def __init__(self):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
59 self.signals_handler = SignalsHandler()
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
60
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
61 def __getattr__(self, name):
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
62 return partial(self.call, name)
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
63
3063
84bb63e1e4c4 bridge (pb): added missing _generic_errback
Goffi <goffi@goffi.org>
parents: 3039
diff changeset
64 def _generic_errback(self, err):
84bb63e1e4c4 bridge (pb): added missing _generic_errback
Goffi <goffi@goffi.org>
parents: 3039
diff changeset
65 log.error(f"bridge error: {err}")
84bb63e1e4c4 bridge (pb): added missing _generic_errback
Goffi <goffi@goffi.org>
parents: 3039
diff changeset
66
3243
f2e30aa031e9 bridge (pb): fixed conversions of Failure to BridgeException in non-AIO bridge
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
67 def _errback(self, failure_, ori_errback):
f2e30aa031e9 bridge (pb): fixed conversions of Failure to BridgeException in non-AIO bridge
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
68 """Convert Failure to BridgeException"""
f2e30aa031e9 bridge (pb): fixed conversions of Failure to BridgeException in non-AIO bridge
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
69 ori_errback(
f2e30aa031e9 bridge (pb): fixed conversions of Failure to BridgeException in non-AIO bridge
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
70 BridgeException(
f2e30aa031e9 bridge (pb): fixed conversions of Failure to BridgeException in non-AIO bridge
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
71 name=failure_.type.decode('utf-8'),
f2e30aa031e9 bridge (pb): fixed conversions of Failure to BridgeException in non-AIO bridge
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
72 message=str(failure_.value)
f2e30aa031e9 bridge (pb): fixed conversions of Failure to BridgeException in non-AIO bridge
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
73 )
f2e30aa031e9 bridge (pb): fixed conversions of Failure to BridgeException in non-AIO bridge
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
74 )
f2e30aa031e9 bridge (pb): fixed conversions of Failure to BridgeException in non-AIO bridge
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
75
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
76 def remoteCallback(self, result, callback):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
77 """call callback with argument or None
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
78
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
79 if result is not None not argument is used,
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
80 else result is used as argument
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
81 @param result: remote call result
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
82 @param callback(callable): method to call on result
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
83 """
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
84 if result is None:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
85 callback()
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
86 else:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
87 callback(result)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
88
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
89 def call(self, name, *args, **kwargs):
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
90 """call a remote method
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
91
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
92 @param name(str): name of the bridge method
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
93 @param args(list): arguments
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
94 may contain callback and errback as last 2 items
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
95 @param kwargs(dict): keyword arguments
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
96 may contain callback and errback
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
97 """
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
98 callback = errback = None
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
99 if kwargs:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
100 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
101 callback = kwargs.pop("callback")
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
102 except KeyError:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
103 pass
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
104 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
105 errback = kwargs.pop("errback")
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
106 except KeyError:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
107 pass
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
108 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
109 errback = args.pop()
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
110 callback = args.pop()
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
111 d = self.root.callRemote(name, *args, **kwargs)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
112 if callback is not None:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
113 d.addCallback(self.remoteCallback, callback)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
114 if errback is not None:
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
115 d.addErrback(errback)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
116
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
117 def _initBridgeEb(self, failure_):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
118 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
119 return failure_
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
120
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
121 def _set_root(self, root):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
122 """set remote root object
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
123
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
124 bridge will then be initialised
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
125 """
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
126 self.root = root
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
127 d = root.callRemote("initBridge", self.signals_handler)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
128 d.addErrback(self._initBridgeEb)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
129 return d
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
130
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
131 def getRootObjectEb(self, failure_):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
132 """Call errback with appropriate bridge error"""
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
133 if failure_.check(ConnectionRefusedError):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
134 raise exceptions.BridgeExceptionNoService
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
135 else:
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
136 raise failure_
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
137
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
138 def bridgeConnect(self, callback, errback):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
139 factory = pb.PBClientFactory()
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
140 reactor.connectTCP("localhost", 8789, factory)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
141 d = factory.getRootObject()
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
142 d.addCallback(self._set_root)
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
143 if callback is not None:
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
144 d.addCallback(lambda __: callback())
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
145 d.addErrback(self.getRootObjectEb)
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
146 if errback is not None:
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
147 d.addErrback(lambda failure_: errback(failure_.value))
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
148 return d
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
149
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
150 def register_signal(self, functionName, handler, iface="core"):
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
151 self.signals_handler.register_signal(functionName, handler, iface)
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
152
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
153
2092
5e79ba00c1e2 bridbe(pb): Perspective Broker bridge, first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
154 ##METHODS_PART##
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
155
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
156 class AIOSignalsHandler(SignalsHandler):
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 register_signal(self, name, handler, iface="core"):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
159 async_handler = lambda *args, **kwargs: defer.Deferred.fromFuture(
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
160 asyncio.ensure_future(handler(*args, **kwargs)))
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
161 return super().register_signal(name, async_handler, iface)
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 class AIOBridge(Bridge):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
165
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
166 def __init__(self):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
167 self.signals_handler = AIOSignalsHandler()
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 def _errback(self, failure_):
3243
f2e30aa031e9 bridge (pb): fixed conversions of Failure to BridgeException in non-AIO bridge
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
170 """Convert Failure to BridgeException"""
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
171 raise BridgeException(
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
172 name=failure_.type.decode('utf-8'),
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
173 message=str(failure_.value)
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
174 )
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
175
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
176 def call(self, name, *args, **kwargs):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
177 d = self.root.callRemote(name, *args, *kwargs)
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
178 d.addErrback(self._errback)
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
179 return d.asFuture(asyncio.get_event_loop())
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
180
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
181 async def bridgeConnect(self):
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
182 d = super().bridgeConnect(callback=None, errback=None)
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
183 return await d.asFuture(asyncio.get_event_loop())
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
184
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
185 ##ASYNC_METHODS_PART##