Mercurial > libervia-backend

annotate sat/bridge/bridge_constructor/bridge_constructor.py @ 3167:d0fb79f97466

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quick frontends (app): added an "ignore_missing" argument to RemoveListener: normally an error is logged when removeListener is call on a inexisting listener, but sometimes listeners are added only in specific scenarios, and it may be handy to try to delete them without having to explictly check that they have been used.
author Goffi <goffi@goffi.org>
date Wed, 12 Feb 2020 19:44:05 +0100
parents 559a625a236b
children 560642ab1c10
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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20
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21 from sat.bridge import bridge_constructor
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22 from sat.bridge.bridge_constructor.constants import Const as C
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23 from sat.bridge.bridge_constructor import constructors, base_constructor
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24 import argparse
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25 from configparser import ConfigParser as Parser
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26 from importlib import import_module
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27 import os
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28 import os.path
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29
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30 # consts
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31 __version__ = C.APP_VERSION
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32
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33
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34 class BridgeConstructor(object):
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35 def importConstructors(self):
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36 constructors_dir = os.path.dirname(constructors.__file__)
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37 self.protocoles = {}
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38 for dir_ in os.listdir(constructors_dir):
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39 init_path = os.path.join(constructors_dir, dir_, "__init__.py")
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40 constructor_path = os.path.join(constructors_dir, dir_, "constructor.py")
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41 module_path = "sat.bridge.bridge_constructor.constructors.{}.constructor".format(
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42 dir_
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43 )
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44 if os.path.isfile(init_path) and os.path.isfile(constructor_path):
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45 mod = import_module(module_path)
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46 for attr in dir(mod):
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47 obj = getattr(mod, attr)
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48 if not isinstance(obj, type):
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49 continue
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50 if issubclass(obj, base_constructor.Constructor):
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51 name = obj.NAME or dir_
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52 self.protocoles[name] = obj
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53 break
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54 if not self.protocoles:
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55 raise ValueError("no protocole constructor found")
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56
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57 def parse_args(self):
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58 """Check command line options"""
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59 parser = argparse.ArgumentParser(
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60 description=C.DESCRIPTION,
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61 formatter_class=argparse.RawDescriptionHelpFormatter,
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62 )
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63
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64 parser.add_argument("--version", action="version", version=__version__)
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65 default_protocole = (
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66 C.DEFAULT_PROTOCOLE
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67 if C.DEFAULT_PROTOCOLE in self.protocoles
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68 else self.protocoles[0]
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69 )
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70 parser.add_argument(
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71 "-p",
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72 "--protocole",
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73 choices=sorted(self.protocoles),
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74 default=default_protocole,
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75 help="generate bridge using PROTOCOLE (default: %(default)s)",
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76 ) # (default: %s, possible values: [%s])" % (DEFAULT_PROTOCOLE, ", ".join(MANAGED_PROTOCOLES)))
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77 parser.add_argument(
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78 "-s",
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79 "--side",
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80 choices=("core", "frontend"),
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81 default="core",
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82 help="which side of the bridge do you want to make ?",
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83 ) # (default: %default, possible values: [core, frontend])")
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84 default_template = os.path.join(
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85 os.path.dirname(bridge_constructor.__file__), "bridge_template.ini"
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86 )
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87 parser.add_argument(
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88 "-t",
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89 "--template",
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90 type=argparse.FileType(),
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91 default=default_template,
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92 help="use TEMPLATE to generate bridge (default: %(default)s)",
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93 )
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94 parser.add_argument(
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95 "-f",
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96 "--force",
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97 action="store_true",
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98 help=("force overwritting of existing files"),
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99 )
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100 parser.add_argument(
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101 "-d", "--debug", action="store_true", help=("add debug information printing")
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102 )
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103 parser.add_argument(
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104 "--no-unicode",
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105 action="store_false",
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106 dest="unicode",
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107 help=("remove unicode type protection from string results"),
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108 )
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109 parser.add_argument(
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110 "--flags", nargs="+", default=[], help=("constructors' specific flags")
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111 )
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112 parser.add_argument(
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113 "--dest-dir",
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114 default=C.DEST_DIR_DEFAULT,
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115 help=(
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116 "directory when the generated files will be written (default: %(default)s)"
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117 ),
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118 )
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119
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120 return parser.parse_args()
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121
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122 def go(self):
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123 self.importConstructors()
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124 args = self.parse_args()
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125 template_parser = Parser()
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126 try:
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127 template_parser.readfp(args.template)
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128 except IOError:
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129 print("The template file doesn't exist or is not accessible")
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130 exit(1)
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131 constructor = self.protocoles[args.protocole](template_parser, args)
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132 constructor.generate(args.side)
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133
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134
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135 if __name__ == "__main__":
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136 bc = BridgeConstructor()
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137 bc.go()