class Remote(Module):
"""Remote module - make possible to control OneButton through json-rpc"""
def __init__(self, **kwargs):
Module.__init__(self, **kwargs)
self._server = Server((self._cfg.get('address', ''), self._cfg.get('port', 9000)))
self._registerHandlers()
self._server_proc = Thread(target=self._server.serve)
self._server_proc.daemon = True
self._server_proc.start()
def _exec(self, cmd):
return subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=self._logerr).communicate()[0]
def _registerHandlers(self):
functions = self.list()
for name, f in functions.items():
log.debug("Remote: add handler for %s - %s" % (f['function'], name))
self._server.add_handler(getattr(self, name), f['function'])
def stop(self):
log.info("Stopping '%s'" % self._cfg.get('name', '[unknown Remote]'))
self._server.shutdown()
# Remote jsonrpc functions
@jsonrpc()
def version(self):
return self._control.version()
@jsonrpc()
def list(self):
out = {}
functions = [getattr(self, f) for f in dir(self) if callable(getattr(self, f)) and hasattr(getattr(self, f), '_jsonrpc')]
for f in functions:
name = '%s.%s' % (f._jsonrpc, f.__name__) if f._jsonrpc else f.__name__
args = [a for a in f.__code__.co_varnames if a != 'self']
out[f.__name__] = {'function': name, 'arguments': args}
return out
@jsonrpc('system')
def poweroff(self):
log.info("Remote: poweroff")
return self._exec(['sudo', 'poweroff'])
@jsonrpc('system')
def reboot(self):
log.info("Remote: reboot")
return self._exec(['sudo', 'reboot'])
@jsonrpc('onebutton')
def upgrade(self, version = None):
log.info("Remote: upgrade")
# TODO: command to upgarade
return version
@jsonrpc('onebutton')
def versions(self):
log.info("Remote: versions")
# TODO: command to check available versions
return ['0.1-alpha', '0.2-alpha', '0.3-alpha']
@jsonrpc('onebutton')
def restart(self):
log.info("Remote: restart")
return self._control.stop()
@jsonrpc('audio')
def volumeIn(self, dev = None, left = None, right = None):
log.info("Remote: volumeIn dev:%s l:%d r:%d" % (dev, left, right))
# TODO: get & set
return [0, 0]
@jsonrpc('audio')
def volumeOut(self, dev = None, left = None, right = None):
log.info("Remote: volumeOut dev:%s l:%d r:%d" % (dev, left, right))
# TODO: get & set
return [0, 0]
