Mercurial > libervia-backend
annotate sat/bridge/bridge_constructor/constructors/dbus/constructor.py @ 3764:125c7043b277
comp AP gateway: publish, (un)subscribe/(un)follow, public subscription/following/followers:
this patch implements those major features:
- `publish` is implemented on virtual pubsub service, thus XMPP entities can now publish
to AP using this service
- replies to XMPP items are managed
- `inReplyTo` is filled when converting XMPP items to AP objects
- `follow` and `unfollow` (actually an `undo` activity) are implemented and mapped to
XMPP's (un)subscribe. On subscription, AP actor's `outbox` collection is converted to
XMPP and put in cache. Subscriptions are always public.
- `following` and `followers` collections are mapped to XMPP's Public Pubsub Subscription
(which should be XEP-0465, but the XEP is not yet published at the time of commit), in
both directions.
- new helper methods to check if an URL is local and to get JID from actor ID
doc will follow to explain behaviour
rel 365
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 13 May 2022 19:12:33 +0200 |
| parents | 60d3861e5996 |
| children | 524856bd7b19 |
| rev | line source |
|---|---|
| 3028 | 1 #!/usr/bin/env python3 |
| 3137 | 2 |
| 2085 | 3 |
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4 # Libervia: an XMPP client |
| 3479 | 5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) |
| 2085 | 6 |
| 7 # This program is free software: you can redistribute it and/or modify | |
| 8 # it under the terms of the GNU Affero General Public License as published by | |
| 9 # the Free Software Foundation, either version 3 of the License, or | |
| 10 # (at your option) any later version. | |
| 11 | |
| 12 # This program is distributed in the hope that it will be useful, | |
| 13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 # GNU Affero General Public License for more details. | |
| 16 | |
| 17 # You should have received a copy of the GNU Affero General Public License | |
| 18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 from sat.bridge.bridge_constructor import base_constructor | |
| 21 | |
| 22 | |
| 23 class DbusConstructor(base_constructor.Constructor): | |
| 24 NAME = "dbus" | |
| 25 CORE_TEMPLATE = "dbus_core_template.py" | |
| 2086 | 26 CORE_DEST = "dbus_bridge.py" |
| 2085 | 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": """\ |
| 2085 | 39 def {name}(self, {args}): |
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40 self._obj.emitSignal("{name}", {args})\n""", |
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41 } |
| 2085 | 42 |
| 43 FRONTEND_TEMPLATE = "dbus_frontend_template.py" | |
| 44 FRONTEND_DEST = CORE_DEST | |
| 45 FRONTEND_FORMATS = { | |
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46 "methods": """\ |
| 2085 | 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 } |
| 2085 | 58 |
| 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 ) |
| 2085 | 66 |
| 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 ) |
| 2085 | 76 |
| 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.getArguments(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: |
| 2085 | 88 error_handler = None |
| 89 else: | |
| 90 if errback is None: | |
| 91 errback = log.error | |
| 92 error_handler = lambda err:errback(dbus_to_bridge_exception(err)) | |
| 93 """, | |
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94 } |
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95 ) |
| 2085 | 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" |
| 2085 | 101 else: |
| 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={} |
| 2085 | 106 if callback is not None: |
| 107 kwargs['timeout'] = const_TIMEOUT | |
| 108 kwargs['reply_handler'] = callback | |
| 109 kwargs['error_handler'] = error_handler | |
| 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"] = ( |
| 3028 | 117 "str(%s)" if self.args.unicode and function["sig_out"] == "s" else "%s" |
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118 ) % result |