def get_network_devices():
- p = subprocess.Popen(('ip', 'link', 'list'), stdout=subprocess.PIPE,
+ p = subprocess.Popen(('ip', '-o', 'link'), stdout=subprocess.PIPE,
close_fds=True)
string = p.stdout.read()
p.wait()
d = dict()
- i = string.find('eth')
- while i != -1:
- eth = string[i:i+4]
- m = string.find('link/ether', i+4)
- mac = string[ m+11 : m+11+17]
- d[eth] = mac
- i = string.find('eth', m+11+17)
+ devices = string.splitlines()
+ for dev in devices:
+ mac = ''
+ if dev.find('link/ether') != -1:
+ i = dev.find('link/ether')
+ mac = dev[i+11 : i+11+17]
+ i = dev.find(':',2)
+ name = dev[3: i]
+ d[name] = mac
+ elif dev.find('link/ppp') != -1:
+ i = dev.find('link/ppp')
+ mac = '00:00:00:00:00:00'
+ i = dev.find(':',2)
+ name = dev[3 : i]
+ d[name] = mac
return d
def call(command, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
r"_restore() -> bool :: Restore persistent data or create a default."
try:
self._load()
- # TODO tener en cuenta servicios que hay que levantar y los que no
- if hasattr(self, 'commit'): # TODO deberia ser reload y/o algo para comandos
- self.commit()
return True
except IOError:
for (k, v) in self._restorable_defaults.items():
self._dump()
if hasattr(self, '_write_config'):
self._write_config()
- if hasattr(self, 'reload'):
- self.reload()
return False
class ConfigWriter:
self._write_single_config(t)
-class ServiceHandler(Handler):
+class ServiceHandler(Handler, Restorable):
r"""ServiceHandler([start[, stop[, restart[, reload]]]]) -> ServiceHandler.
This is a helper class to inherit from to automatically handle services
reload=reload).items():
if action is not None:
setattr(self, '_service_%s' % name, action)
+ self._persistent_attrs = list(self._persistent_attrs)
+ self._persistent_attrs.append('_service_running')
+ if '_service_running' not in self._restorable_defaults:
+ self._restorable_defaults['_service_running'] = False
+ self._restore()
+ if self._service_running:
+ self._service_running = False
+ self.start()
@handler(u'Start the service.')
def start(self):
r"start() -> None :: Start the service."
- call(self._service_start)
+ if not self._service_running:
+ if callable(self._service_start):
+ self._service_start()
+ else:
+ call(self._service_start)
+ self._service_running = True
+ self._dump_attr('_service_running')
@handler(u'Stop the service.')
def stop(self):
r"stop() -> None :: Stop the service."
- call(self._service_stop)
+ if self._service_running:
+ if callable(self._service_stop):
+ self._service_stop()
+ else:
+ call(self._service_stop)
+ self._service_running = False
+ self._dump_attr('_service_running')
@handler(u'Restart the service.')
def restart(self):
r"restart() -> None :: Restart the service."
- call(self._service_restart)
+ if callable(self._service_restart):
+ self._service_restart()
+ else:
+ call(self._service_restart)
+ self._service_running = True
+ self._dump_attr('_service_running')
@handler(u'Reload the service config (without restarting, if possible).')
def reload(self):
r"reload() -> None :: Reload the configuration of the service."
- call(self._service_reload)
+ if self._service_running:
+ if callable(self._service_reload):
+ self._service_reload()
+ else:
+ call(self._service_reload)
+
+ @handler(u'Tell if the service is running.')
+ def running(self):
+ r"reload() -> None :: Reload the configuration of the service."
+ if self._service_running:
+ return 1
+ else:
+ return 0
class RestartHandler(Handler):
r"""RestartHandler() -> RestartHandler :: Provides generic restart command.
@handler(u'Reload the service config (alias to restart).')
def reload(self):
r"reload() -> None :: Reload the configuration of the service."
- self.restart()
+ if hasattr(self, '_service_running') and self._service_running:
+ self.restart()
-class InitdHandler(Handler):
+class InitdHandler(ServiceHandler):
+ # TODO update docs, declarative style is depracated
r"""InitdHandler([initd_name[, initd_dir]]) -> InitdHandler.
This is a helper class to inherit from to automatically handle services
self._initd_name = initd_name
if initd_dir is not None:
self._initd_dir = initd_dir
-
- @handler(u'Start the service.')
- def start(self):
- r"start() -> None :: Start the service."
- call((path.join(self._initd_dir, self._initd_name), 'start'))
-
- @handler(u'Stop the service.')
- def stop(self):
- r"stop() -> None :: Stop the service."
- call((path.join(self._initd_dir, self._initd_name), 'stop'))
-
- @handler(u'Restart the service.')
- def restart(self):
- r"restart() -> None :: Restart the service."
- call((path.join(self._initd_dir, self._initd_name), 'restart'))
-
- @handler(u'Reload the service config (without restarting, if possible).')
- def reload(self):
- r"reload() -> None :: Reload the configuration of the service."
- call((path.join(self._initd_dir, self._initd_name), 'reload'))
+ actions = dict()
+ for action in ('start', 'stop', 'restart', 'reload'):
+ actions[action] = (path.join(self._initd_dir, self._initd_name),
+ action)
+ ServiceHandler.__init__(self, **actions)
class TransactionalHandler(Handler):
r"""Handle command transactions providing a commit and rollback commands.
r"commit() -> None :: Commit the changes and reload the service."
if hasattr(self, '_dump'):
self._dump()
+ unchanged = False
if hasattr(self, '_write_config'):
- self._write_config()
- if hasattr(self, 'reload'):
+ unchanged = self._write_config()
+ if not unchanged and hasattr(self, 'reload'):
self.reload()
@handler(u'Discard all the uncommited changes.')
projects / software / pymin.git / blobdiff