Mercurial > libervia-backend
annotate src/bridge/bridge_constructor/constructors/dbus/constructor.py @ 2414:8b37a62336c3
misc: date update (yes it's a bit late :p )
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 03 Nov 2017 14:31:42 +0100 |
| parents | 4633cfcbcccb |
| children | 0046283a285d |
| rev | line source |
|---|---|
| 2085 | 1 #!/usr/bin/env python2 |
| 2 #-*- coding: utf-8 -*- | |
| 3 | |
| 4 # SàT: a XMPP client | |
|
2414
8b37a62336c3
misc: date update (yes it's a bit late :p )
Goffi <goffi@goffi.org>
parents:
2086
diff
changeset
|
5 # Copyright (C) 2009-2017 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 = { |
| 28 'signals': """\ | |
| 29 @dbus.service.signal(const_INT_PREFIX+const_{category}_SUFFIX, | |
| 30 signature='{sig_in}') | |
| 31 def {name}(self, {args}): | |
| 32 {body}\n""", | |
| 33 | |
| 34 'methods': """\ | |
| 35 @dbus.service.method(const_INT_PREFIX+const_{category}_SUFFIX, | |
| 36 in_signature='{sig_in}', out_signature='{sig_out}', | |
| 37 async_callbacks={async_callbacks}) | |
| 38 def {name}(self, {args}{async_comma}{async_args_def}): | |
| 39 {debug}return self._callback("{name}", {args_result}{async_comma}{async_args_call})\n""", | |
| 40 | |
| 41 'signal_direct_calls': """\ | |
| 42 def {name}(self, {args}): | |
| 43 self.dbus_bridge.{name}({args})\n""", | |
| 44 } | |
| 45 | |
| 46 FRONTEND_TEMPLATE = "dbus_frontend_template.py" | |
| 47 FRONTEND_DEST = CORE_DEST | |
| 48 FRONTEND_FORMATS = { | |
| 49 'methods': """\ | |
| 50 def {name}(self, {args}{async_comma}{async_args}): | |
| 51 {error_handler}{blocking_call}{debug}return {result}\n""", | |
| 52 } | |
| 53 | |
| 54 def core_completion_signal(self, completion, function, default, arg_doc, async_): | |
| 55 completion['category'] = completion['category'].upper() | |
| 56 completion['body'] = "pass" if not self.args.debug else 'log.debug ("{}")'.format(completion['name']) | |
| 57 | |
| 58 def core_completion_method(self, completion, function, default, arg_doc, async_): | |
| 59 completion.update({ | |
| 60 'debug': "" if not self.args.debug else 'log.debug ("%s")\n%s' % (completion['name'], 8 * ' '), | |
| 61 'args_result': self.getArguments(function['sig_in'], name=arg_doc, unicode_protect=self.args.unicode), | |
| 62 'async_comma': ', ' if async_ and function['sig_in'] else '', | |
| 63 'async_args_def': 'callback=None, errback=None' if async_ else '', | |
| 64 'async_args_call': 'callback=callback, errback=errback' if async_ else '', | |
| 65 'async_callbacks': "('callback', 'errback')" if async_ else "None", | |
| 66 'category': completion['category'].upper(), | |
| 67 }) | |
| 68 | |
| 69 def frontend_completion_method(self, completion, function, default, arg_doc, async_): | |
| 70 completion.update({ | |
| 71 # XXX: we can manage blocking call in the same way as async one: if callback is None the call will be blocking | |
| 72 'debug': "" if not self.args.debug else 'log.debug ("%s")\n%s' % (completion['name'], 8 * ' '), | |
| 73 'args_result': self.getArguments(function['sig_in'], name=arg_doc), | |
| 74 'async_args': 'callback=None, errback=None', | |
| 75 'async_comma': ', ' if function['sig_in'] else '', | |
| 76 'error_handler': """if callback is None: | |
| 77 error_handler = None | |
| 78 else: | |
| 79 if errback is None: | |
| 80 errback = log.error | |
| 81 error_handler = lambda err:errback(dbus_to_bridge_exception(err)) | |
| 82 """, | |
| 83 }) | |
| 84 if async_: | |
| 85 completion['blocking_call'] = '' | |
| 86 completion['async_args_result'] = 'timeout=const_TIMEOUT, reply_handler=callback, error_handler=error_handler' | |
| 87 else: | |
| 88 # 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 | |
| 89 completion['blocking_call'] = """kwargs={} | |
| 90 if callback is not None: | |
| 91 kwargs['timeout'] = const_TIMEOUT | |
| 92 kwargs['reply_handler'] = callback | |
| 93 kwargs['error_handler'] = error_handler | |
| 94 """ | |
| 95 completion['async_args_result'] = '**kwargs' | |
| 96 result = "self.db_%(category)s_iface.%(name)s(%(args_result)s%(async_comma)s%(async_args_result)s)" % completion | |
| 97 completion['result'] = ("unicode(%s)" if self.args.unicode and function['sig_out'] == 's' else "%s") % result |