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annotate src/bridge/bridge_constructor/constructors/embedded/constructor.py @ 2162:c9a67eb5bf72

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jp (base): improved module import: module import now display a warning were suitable on import issue
author Goffi <goffi@goffi.org>
date Tue, 21 Feb 2017 21:01:40 +0100
parents 442423faf220
children 8b37a62336c3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2087
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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) 2009-2016 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 # from textwraps import dedent
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22
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23
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24 class EmbeddedConstructor(base_constructor.Constructor):
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25 NAME = "embedded"
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26 CORE_TEMPLATE = "embedded_template.py"
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27 CORE_DEST = "embedded.py"
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28 CORE_FORMATS = {
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29 'methods': """\
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30 def {name}(self, {args}{args_comma}callback=None, errback=None):
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31 {ret_routine}
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32 """,
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33 'signals': """\
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34 def {name}(self, {args}):
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35 try:
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36 cb = self._signals_cbs["{category}"]["{name}"]
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37 except KeyError:
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442423faf220 bridge (constructor/embedded): fixed warning on unregistered callback
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38 log.warning(u"ignoring signal {name}: no callback registered")
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39 else:
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40 cb({args_result})
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41 """
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42 }
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43 FRONTEND_TEMPLATE = "embedded_frontend_template.py"
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44 FRONTEND_DEST = CORE_DEST
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45 FRONTEND_FORMATS = {}
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46
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47 def core_completion_method(self, completion, function, default, arg_doc, async_):
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48 completion.update({
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49 'debug': "" if not self.args.debug else 'log.debug ("%s")\n%s' % (completion['name'], 8 * ' '),
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50 'args_result': self.getArguments(function['sig_in'], name=arg_doc),
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51 'args_comma': ', ' if function['sig_in'] else '',
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52 })
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53
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54 if async_:
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55 completion["cb_or_lambda"] = "callback" if function['sig_out'] else "lambda dummy: callback()"
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56 completion["ret_routine"] = """\
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57 d = self._methods_cbs["{name}"]({args_result})
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58 if callback is not None:
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59 d.addCallback({cb_or_lambda})
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60 if errback is None:
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61 d.addErrback(lambda failure_: log.error(failure_))
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62 else:
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63 d.addErrback(errback)
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64 return d
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65 """.format(**completion)
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66 else:
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67 completion['ret_or_nothing'] = 'ret' if function['sig_out'] else ''
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68 completion["ret_routine"] = """\
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69 try:
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70 ret = self._methods_cbs["{name}"]({args_result})
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71 except Exception as e:
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72 if errback is not None:
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73 errback(e)
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74 else:
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75 raise e
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76 else:
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77 if callback is None:
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78 return ret
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79 else:
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80 callback({ret_or_nothing})""".format(**completion)
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81
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82 def core_completion_signal(self, completion, function, default, arg_doc, async_):
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83 completion.update({
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84 'args_result': self.getArguments(function['sig_in'], name=arg_doc),
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85 })