pyva/src/main/python/plugin.py

   1 import traceback
   2 import logging
   3 import task
   4
   5 from core import *
   6
   7 class AcidPlugin(object):
   8         def __init__(self):
   9                 super(AcidPlugin, self).__init__()
  10
  11                 self.prefix = config.get('control', 'prefix')
  12                 self.logchan = config.get('control', 'channel')
  13                 self.log = logging.getLogger(__name__)
  14                 self.config = config
  15                 self.dbp = dbx.cursor()
  16
  17         def start(self):
  18                 pass
  19
  20         def stop(self):
  21                 pass
  22
  23         def getCommands(self):
  24                 pass
  25
  26 modules = {}
  27 plugin_to_modname = lambda x: '%s.%s' % (x, x)
  28
  29 def loadPlugin(plugin, inter):
  30         import importlib
  31
  32         global modules
  33
  34         modname = plugin_to_modname(plugin)
  35
  36         mod = importlib.import_module(modname)
  37         obj = getattr(mod, plugin)()
  38
  39         obj.inter = inter
  40
  41         obj.start()
  42
  43         modules[modname] = obj
  44
  45 def unloadPlugin(plugin):
  46         global modules
  47
  48         modname = plugin_to_modname(plugin)
  49
  50         obj = modules[modname]
  51         obj.stop()
  52
  53         deps = [module for module in sys.modules if module.startswith(modname + '.')]
  54         for dep in deps:
  55                 del sys.modules[dep]
  56         if plugin in sys.modules:
  57                 del sys.modules[modname]
  58
  59         del sys.modules[modname]
  60         del modules[modname]
  61
  62 def getPlugins():
  63         return modules.keys()
  64
  65 def call(name, *args):
  66         task.Run()
  67
  68         for m in modules.itervalues():
  69                 try:
  70                         func = getattr(m, name)
  71                 except:
  72                         continue
  73
  74                 try:
  75                         func(*args)
  76                 except:
  77                         traceback.print_exc()
  78                         raise