Mercurial > libervia-backend

annotate libervia/backend/bridge/bridge_constructor/constructors/dbus/constructor.py @ 4118:07370d2a9bde

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plugin XEP-0167: keep media order when starting a call: media content order is relevant when building Jingle contents/SDP notably for bundling. This patch fixes the previous behaviour of always using the same order by keeping the order of the data (i.e. order of original SDP offer). Previous behaviour could lead to call failure. rel 424
author Goffi <goffi@goffi.org>
date Tue, 03 Oct 2023 15:15:24 +0200
parents 4b842c1fb686
children 0d7bb4df2343
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1 #!/usr/bin/env python3
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2
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3
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4 # Libervia: an XMPP client
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5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from libervia.backend.bridge.bridge_constructor import base_constructor
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21
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22
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23 class DbusConstructor(base_constructor.Constructor):
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24 NAME = "dbus"
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25 CORE_TEMPLATE = "dbus_core_template.py"
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26 CORE_DEST = "dbus_bridge.py"
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27 CORE_FORMATS = {
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28 "methods_declarations": """\
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29 Method('{name}', arguments='{sig_in}', returns='{sig_out}'),""",
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30
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31 "methods": """\
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32 def dbus_{name}(self, {args}):
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33 {debug}return self._callback("{name}", {args_no_default})\n""",
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34
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35 "signals_declarations": """\
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36 Signal('{name}', '{sig_in}'),""",
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37
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38 "signals": """\
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39 def {name}(self, {args}):
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40 self._obj.emitSignal("{name}", {args})\n""",
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41 }
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42
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43 FRONTEND_TEMPLATE = "dbus_frontend_template.py"
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44 FRONTEND_DEST = CORE_DEST
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45 FRONTEND_FORMATS = {
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46 "methods": """\
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47 def {name}(self, {args}{async_comma}{async_args}):
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48 {error_handler}{blocking_call}{debug}return {result}\n""",
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49 "async_methods": """\
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50 def {name}(self{async_comma}{args}):
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51 loop = asyncio.get_running_loop()
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52 fut = loop.create_future()
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53 reply_handler = lambda ret=None: loop.call_soon_threadsafe(fut.set_result, ret)
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54 error_handler = lambda err: loop.call_soon_threadsafe(fut.set_exception, dbus_to_bridge_exception(err))
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55 self.db_{category}_iface.{name}({args_result}{async_comma}timeout=const_TIMEOUT, reply_handler=reply_handler, error_handler=error_handler)
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56 {debug}return fut\n""",
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57 }
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58
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59 def core_completion_signal(self, completion, function, default, arg_doc, async_):
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60 completion["category"] = completion["category"].upper()
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61 completion["body"] = (
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62 "pass"
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63 if not self.args.debug
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64 else 'log.debug ("{}")'.format(completion["name"])
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65 )
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66
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67 def core_completion_method(self, completion, function, default, arg_doc, async_):
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68 completion.update(
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69 {
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70 "debug": (
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71 "" if not self.args.debug
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72 else f'log.debug ("{completion["name"]}")\n{8 * " "}'
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73 )
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74 }
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75 )
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76
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77 def frontend_completion_method(self, completion, function, default, arg_doc, async_):
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78 completion.update(
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79 {
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80 # XXX: we can manage blocking call in the same way as async one: if callback is None the call will be blocking
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81 "debug": ""
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82 if not self.args.debug
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83 else 'log.debug ("%s")\n%s' % (completion["name"], 8 * " "),
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84 "args_result": self.get_arguments(function["sig_in"], name=arg_doc),
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85 "async_args": "callback=None, errback=None",
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86 "async_comma": ", " if function["sig_in"] else "",
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87 "error_handler": """if callback is None:
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88 error_handler = None
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89 else:
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90 if errback is None:
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91 errback = log.error
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92 error_handler = lambda err:errback(dbus_to_bridge_exception(err))
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93 """,
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94 }
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95 )
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96 if async_:
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97 completion["blocking_call"] = ""
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98 completion[
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99 "async_args_result"
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100 ] = "timeout=const_TIMEOUT, reply_handler=callback, error_handler=error_handler"
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101 else:
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102 # XXX: To have a blocking call, we must have not reply_handler, so we test if callback exists, and add reply_handler only in this case
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103 completion[
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104 "blocking_call"
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105 ] = """kwargs={}
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106 if callback is not None:
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107 kwargs['timeout'] = const_TIMEOUT
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108 kwargs['reply_handler'] = callback
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109 kwargs['error_handler'] = error_handler
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110 """
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111 completion["async_args_result"] = "**kwargs"
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112 result = (
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113 "self.db_%(category)s_iface.%(name)s(%(args_result)s%(async_comma)s%(async_args_result)s)"
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114 % completion
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115 )
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116 completion["result"] = (
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117 "str(%s)" if self.args.unicode and function["sig_out"] == "s" else "%s"
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118 ) % result