Mercurial > libervia-backend
annotate sat/bridge/bridge_constructor/constructors/embedded/embedded_template.py @ 3028:ab2696e34d29
Python 3 port:
/!\ this is a huge commit
/!\ starting from this commit, SàT is needs Python 3.6+
/!\ SàT maybe be instable or some feature may not work anymore, this will improve with time
This patch port backend, bridge and frontends to Python 3.
Roughly this has been done this way:
- 2to3 tools has been applied (with python 3.7)
- all references to python2 have been replaced with python3 (notably shebangs)
- fixed files not handled by 2to3 (notably the shell script)
- several manual fixes
- fixed issues reported by Python 3 that where not handled in Python 2
- replaced "async" with "async_" when needed (it's a reserved word from Python 3.7)
- replaced zope's "implements" with @implementer decorator
- temporary hack to handle data pickled in database, as str or bytes may be returned,
to be checked later
- fixed hash comparison for password
- removed some code which is not needed anymore with Python 3
- deactivated some code which needs to be checked (notably certificate validation)
- tested with jp, fixed reported issues until some basic commands worked
- ported Primitivus (after porting dependencies like urwid satext)
- more manual fixes
author | Goffi <goffi@goffi.org> |
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date | Tue, 13 Aug 2019 19:08:41 +0200 |
parents | 003b8b4b56a7 |
children | c2625920e05a |
rev | line source |
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3028 | 1 #!/usr/bin/env python3 |
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2 # -*- coding: utf-8 -*- |
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3 |
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4 # SàT: a XMPP client |
2771 | 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.core.log import getLogger |
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21 |
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22 log = getLogger(__name__) |
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23 from sat.core import exceptions |
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24 |
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25 |
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26 class _Bridge(object): |
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27 def __init__(self): |
3028 | 28 log.debug("Init embedded bridge...") |
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29 self._methods_cbs = {} |
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30 self._signals_cbs = {"core": {}, "plugin": {}} |
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31 |
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32 def bridgeConnect(self, callback, errback): |
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33 callback() |
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34 |
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35 def register_method(self, name, callback): |
3028 | 36 log.debug("registering embedded bridge method [{}]".format(name)) |
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37 if name in self._methods_cbs: |
3028 | 38 raise exceptions.ConflictError("method {} is already regitered".format(name)) |
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39 self._methods_cbs[name] = callback |
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40 |
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41 def register_signal(self, functionName, handler, iface="core"): |
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42 iface_dict = self._signals_cbs[iface] |
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43 if functionName in iface_dict: |
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44 raise exceptions.ConflictError( |
3028 | 45 "signal {name} is already regitered for interface {iface}".format( |
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46 name=functionName, iface=iface |
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47 ) |
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48 ) |
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49 iface_dict[functionName] = handler |
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50 |
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51 def call_method(self, name, out_sign, async_, args, kwargs): |
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52 callback = kwargs.pop("callback", None) |
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53 errback = kwargs.pop("errback", None) |
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54 if async_: |
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55 d = self._methods_cbs[name](*args, **kwargs) |
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56 if callback is not None: |
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57 d.addCallback(callback if out_sign else lambda __: callback()) |
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58 if errback is None: |
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59 d.addErrback(lambda failure_: log.error(failure_)) |
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60 else: |
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61 d.addErrback(errback) |
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62 return d |
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63 else: |
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64 try: |
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65 ret = self._methods_cbs[name](*args, **kwargs) |
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66 except Exception as e: |
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67 if errback is not None: |
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68 errback(e) |
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69 else: |
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70 raise e |
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71 else: |
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72 if callback is None: |
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73 return ret |
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74 else: |
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75 if out_sign: |
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76 callback(ret) |
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77 else: |
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78 callback() |
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79 |
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80 def send_signal(self, name, args, kwargs): |
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81 try: |
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82 cb = self._signals_cbs["plugin"][name] |
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83 except KeyError: |
3028 | 84 log.debug("ignoring signal {}: no callback registered".format(name)) |
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85 else: |
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86 cb(*args, **kwargs) |
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87 |
3028 | 88 def addMethod(self, name, int_suffix, in_sign, out_sign, method, async_=False, doc={}): |
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89 # FIXME: doc parameter is kept only temporary, the time to remove it from calls |
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90 log.debug("Adding method [{}] to embedded bridge".format(name)) |
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91 self.register_method(name, method) |
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92 setattr( |
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93 self.__class__, |
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94 name, |
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95 lambda self_, *args, **kwargs: self.call_method( |
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96 name, out_sign, async, args, kwargs |
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97 ), |
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98 ) |
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99 |
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100 def addSignal(self, name, int_suffix, signature, doc={}): |
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101 setattr( |
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102 self.__class__, |
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103 name, |
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104 lambda self_, *args, **kwargs: self.send_signal(name, args, kwargs), |
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105 ) |
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106 |
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107 ## signals ## |
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108 |
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109 |
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110 ##SIGNALS_PART## |
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111 ## methods ## |
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112 |
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113 ##METHODS_PART## |
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114 |
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115 # we want the same instance for both core and frontend |
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116 bridge = None |
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117 |
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118 |
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119 def Bridge(): |
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120 global bridge |
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121 if bridge is None: |
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122 bridge = _Bridge() |
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123 return bridge |