Mercurial > libervia-backend

annotate sat/bridge/bridge_constructor/constructors/embedded/constructor.py @ 3250:e4d3ba75b1b2

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core (memory/disco): fixed types of disco extensions: typeCheck() is not automatically called on reception by Wokkel, as a result extensions fields values may be strings instead of the field type. TypeCheck is now explicitly called in memory.disco to avoid that. It is not called immediately on reception as the string value is needed to calculate the capability hash
author Goffi <goffi@goffi.org>
date Tue, 14 Apr 2020 20:25:05 +0200
parents 559a625a236b
children be6d91572633
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env python3
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2
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3
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4 # SàT: a XMPP client
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5 # Copyright (C) 2009-2020 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 )