Mercurial > libervia-backend

annotate sat/bridge/bridge_constructor/constructors/embedded/constructor.py @ 3011:93da7c6f8e0c

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plugin XEP-0198: retrieve missing messages + send buffered ones on hot reconnection: Missing one2one messages are now retrieved with MAM on hot reconnection, and buffered ones (which have most probably not been received by the server) are resent at the end of the reconnection workflow. IQ results are not re-sent on hot reconnection, as they don't make sense anymore with a new session. fix 330
author Goffi <goffi@goffi.org>
date Wed, 17 Jul 2019 09:28:35 +0200
parents 003b8b4b56a7
children ab2696e34d29
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SàT: a XMPP client
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5 # Copyright (C) 2009-2019 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 sat.bridge.bridge_constructor import base_constructor
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21
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22 #  from textwraps import dedent
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23
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24
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25 class EmbeddedConstructor(base_constructor.Constructor):
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26 NAME = "embedded"
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27 CORE_TEMPLATE = "embedded_template.py"
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28 CORE_DEST = "embedded.py"
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29 CORE_FORMATS = {
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30 "methods": """\
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31 def {name}(self, {args}{args_comma}callback=None, errback=None):
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32 {ret_routine}
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33 """,
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34 "signals": """\
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35 def {name}(self, {args}):
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36 try:
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37 cb = self._signals_cbs["{category}"]["{name}"]
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38 except KeyError:
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39 log.warning(u"ignoring signal {name}: no callback registered")
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40 else:
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41 cb({args_result})
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42 """,
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43 }
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44 FRONTEND_TEMPLATE = "embedded_frontend_template.py"
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45 FRONTEND_DEST = CORE_DEST
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46 FRONTEND_FORMATS = {}
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47
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48 def core_completion_method(self, completion, function, default, arg_doc, async_):
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49 completion.update(
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50 {
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51 "debug": ""
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52 if not self.args.debug
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53 else 'log.debug ("%s")\n%s' % (completion["name"], 8 * " "),
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54 "args_result": self.getArguments(function["sig_in"], name=arg_doc),
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55 "args_comma": ", " if function["sig_in"] else "",
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56 }
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57 )
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58
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59 if async_:
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60 completion["cb_or_lambda"] = (
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61 "callback" if function["sig_out"] else "lambda __: callback()"
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62 )
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63 completion[
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64 "ret_routine"
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65 ] = """\
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66 d = self._methods_cbs["{name}"]({args_result})
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67 if callback is not None:
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68 d.addCallback({cb_or_lambda})
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69 if errback is None:
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70 d.addErrback(lambda failure_: log.error(failure_))
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71 else:
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72 d.addErrback(errback)
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73 return d
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74 """.format(
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75 **completion
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76 )
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77 else:
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78 completion["ret_or_nothing"] = "ret" if function["sig_out"] else ""
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79 completion[
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80 "ret_routine"
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81 ] = """\
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82 try:
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83 ret = self._methods_cbs["{name}"]({args_result})
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84 except Exception as e:
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85 if errback is not None:
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86 errback(e)
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87 else:
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88 raise e
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89 else:
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90 if callback is None:
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91 return ret
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92 else:
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93 callback({ret_or_nothing})""".format(
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94 **completion
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95 )
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96
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97 def core_completion_signal(self, completion, function, default, arg_doc, async_):
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98 completion.update(
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99 {"args_result": self.getArguments(function["sig_in"], name=arg_doc)}
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100 )