class Application(object):
settings = None
log = system = None # Placeholders to be filled later.
growl = None # Can be 'None' if no Growl found.
def __init__(self, is_daemon=True):
self.settings = self._assembleSettings(is_daemon=is_daemon)
self.log = Logger(self)
self.log.install()
self.log.debug("Logging installed.")
self.system = System(self)
self.log.debug("Application initialisation finished.")
def _assembleSettings(self, is_daemon):
"""Assemple application settings (such as log dir, etc)."""
return _AppConfig({
"is_daemon": is_daemon,
"log_dir": os.path.join(os.path.dirname(__file__), "logs"),
})
def doWork(self):
"""Called when caller wants for application to perform its actual functionality."""
self.system.loadPlugins()
self.log.debug("System plugins loaded.")
# Growl app is so specific and widespread that it makes sense to
# care about it even on the top application level.
if self.system.plugins.growl.isRunning():
self.growl = self.system.plugins.growl
self.growl.setGlobalGrowlingApplicationOptions("OsXRuleActions")
# Now to call call user configuration.
from config import main as mainConfig
try:
mainConfig.execute(self.system)
except:
self.log.exception("Error happened during config run.")
@classmethod
def consoleRun(cls, options):
"""Called when application is initialized from console."""
_app = cls(is_daemon=options.is_daemon)
try:
_app.doWork()
except:
_app.showBadException("Error in main application loop.")
def showBadException(self, msg):
"""Show top-level exception. Called only when everything else fails."""
_str = StringIO()
traceback.print_exc(file=_str)
_str.seek(0, 0)
_str = _str.read()
_pop = subprocess.Popen("open -tf", shell=True, stdin=subprocess.PIPE)
_pop.stdin.write("Error happend: %s\n%s" % (msg, _str))
_pop.communicate()
