Mercurial > libervia-backend

annotate src/bridge/bridge_constructor/bridge_constructor.py @ 2444:30278ea1ca7c

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plugin XEP-0060: added node watching methods to bridge: new methods psNodeWatchAdd and psNodeWatchRemove allows to set a watch for the time of the session on one node, to have a signal called when something change on this node. This signal (psEventRaw) send raw data (raw XML), in opposition to psEvent which is there to send high level data (e.g. parsed blog data). Those method are primarely there to let frontends manage local cache for pubsub nodes.
author Goffi <goffi@goffi.org>
date Sun, 19 Nov 2017 16:51:39 +0100
parents 8b37a62336c3
children 0046283a285d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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) 2009-2017 Jérôme Poisson (goffi@goffi.org)
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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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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
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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 SafeConfigParser 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
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36 def importConstructors(self):
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37 constructors_dir = os.path.dirname(constructors.__file__)
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38 self.protocoles = {}
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39 for dir_ in os.listdir(constructors_dir):
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40 init_path = os.path.join(constructors_dir, dir_, '__init__.py')
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41 constructor_path = os.path.join(constructors_dir, dir_, 'constructor.py')
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42 module_path = "sat.bridge.bridge_constructor.constructors.{}.constructor".format(dir_)
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43 if os.path.isfile(init_path) and os.path.isfile(constructor_path):
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44 mod = import_module(module_path)
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45 for attr in dir(mod):
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46 obj = getattr(mod, attr)
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47 if not isinstance(obj, type):
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48 continue
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49 if issubclass(obj, base_constructor.Constructor):
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50 name = obj.NAME or dir_
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51 self.protocoles[name] = obj
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52 break
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53 if not self.protocoles:
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54 raise ValueError("no protocole constructor found")
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55
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56 def parse_args(self):
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57 """Check command line options"""
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58 parser = argparse.ArgumentParser(description=C.DESCRIPTION, formatter_class=argparse.RawDescriptionHelpFormatter)
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60 parser.add_argument("--version", action="version", version= __version__)
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61 default_protocole = C.DEFAULT_PROTOCOLE if C.DEFAULT_PROTOCOLE in self.protocoles else self.protocoles[0]
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62 parser.add_argument("-p", "--protocole", choices=sorted(self.protocoles), default=default_protocole,
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63 help="generate bridge using PROTOCOLE (default: %(default)s)") # (default: %s, possible values: [%s])" % (DEFAULT_PROTOCOLE, ", ".join(MANAGED_PROTOCOLES)))
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64 parser.add_argument("-s", "--side", choices=("core", "frontend"), default="core",
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65 help="which side of the bridge do you want to make ?") # (default: %default, possible values: [core, frontend])")
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66 default_template = os.path.join(os.path.dirname(bridge_constructor.__file__), 'bridge_template.ini')
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67 parser.add_argument("-t", "--template", type=file, default=default_template,
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68 help="use TEMPLATE to generate bridge (default: %(default)s)")
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69 parser.add_argument("-f", "--force", action="store_true",
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70 help=("force overwritting of existing files"))
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71 parser.add_argument("-d", "--debug", action="store_true",
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72 help=("add debug information printing"))
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73 parser.add_argument("--no-unicode", action="store_false", dest="unicode",
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74 help=("remove unicode type protection from string results"))
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75 parser.add_argument("--flags", nargs='+', default=[],
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76 help=("constructors' specific flags"))
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77 parser.add_argument("--dest-dir", default=C.DEST_DIR_DEFAULT,
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78 help=("directory when the generated files will be written (default: %(default)s)"))
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79
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80 return parser.parse_args()
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81
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82 def go(self):
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83 self.importConstructors()
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84 args = self.parse_args()
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85 template_parser = Parser()
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86 try:
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87 template_parser.readfp(args.template)
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88 except IOError:
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89 print ("The template file doesn't exist or is not accessible")
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90 exit(1)
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91 constructor = self.protocoles[args.protocole](template_parser, args)
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92 constructor.generate(args.side)
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93
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94
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95 if __name__ == "__main__":
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96 bc = BridgeConstructor()
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97 bc.go()