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from operator import itemgetter
import sys
from BeautifulSoup import BeautifulSoup
from message import Message
class ResourceManagerBase(object):
resources = [
]
def __init__(self, socket, resource_values=None):
self.sock = socket
self.resource_values = resource_values or {}
def get(self, resource):
try:
return self.resource_values[resource]
except KeyError:
return self.fetch(resource)
def fetch(self, resource):
result = self.send_message(self._create_message(resource, 'get'))
self.resource_values[resource] = result
return result
def toggle_on(self, resource):
self.send_message(self._create_message(resource, 'enable'))
self.fetch(resource)
def toggle_off(self, resource):
self.send_message(self._create_message(resource, 'disable'))
self.fetch(resource)
def set(self, resource, arg):
self.send_message(self._create_message(resource, 'set', arg))
self.fetch(resource)
def _create_message(self, resource, method, arg=None):
assert resource in self.resources, 'Unknown resource {}'.format(resource)
assert method in self.resources[resource], 'Unhandled method {} for {}'.format(method, resource)
return Message(resource, method, arg)
def send_message(self, message):
try:
self.sock.send(str(message))
except Exception:
self.sock = ""
return
else:
return self.get_answer(message)
def get_answer(self, message):
data = self.receive_message()
notifications = []
while not data.answer:
if data.notify:
notifications.append(data.notify)
else:
raise AssertionError('Unknown response')
data = self.receive_message()
self.handle_notifications(notifications, message.resource)
return data.answer
def handle_notifications(self, notifications, resource):
paths = map(itemgetter('path'), notifications)
clean_paths = set(map(self._clean_path, paths))
for path in clean_paths:
if resource != path:
self.fetch(path)
def _clean_path(self, path):
return path.rsplit('/', 1)[0].encode('utf-8')
def receive_message(self):
if sys.platform == "darwin":
self.sock.recv(30)
else:
self.sock.recv(7)
return BeautifulSoup(self.sock.recv(1024))
def close(self):
self.sock.close()
class GenericResourceManager(ResourceManagerBase):
resources = {
'/api/software/version': ['get'],
}
def __init__(self, sock):
super(GenericResourceManager, self).__init__(sock)
self.notifications = []
def handle_notification(self, notification):
self.notifications.append(notification)
def get_resource_manager(self, resource_manager_class):
resource_manager = resource_manager_class(self.sock, self.resource_values)
resource_manager.handle_notifications(self.notifications, '/api/software/version')
return resource_manager
@property
def api_version(self):
answer = self.get("/api/software/version")
try:
return answer.software["version"]
except KeyError:
return answer.software['sip6']
class Version1ResourceManager(ResourceManagerBase):
resources = {
'/api/software/version': ['get'],
'/api/system/battery': ['get'],
'/api/bluetooth/friendlyname': ['get'],
'/api/system/auto_connection/enabled': ['get', 'set'],
'/api/system/anc_phone_mode/enabled': ['get', 'set'],
'/api/audio/specific_mode/enabled': ['get', 'set'],
'/api/audio/sound_effect/enabled': ['get', 'set'],
'/api/audio/noise_cancellation/enabled': ['get', 'set'],
}
class Version2ResourceManager(ResourceManagerBase):
resources = {
'/api/software/version': ['get'],
'/api/system/battery': ['get'],
'/api/system/pi': ['get'],
'/api/bluetooth/friendlyname': ['get'],
'/api/system/auto_connection/enabled': ['get', 'set'],
'/api/system/anc_phone_mode/enabled': ['get', 'set'],
'/api/flight_mode': ['get', 'enable', 'disable'],
'/api/audio/sound_effect/enabled': ['get', 'set'],
'/api/audio/sound_effect/room_size': ['get', 'set'],
'/api/audio/sound_effect/angle': ['get', 'set'],
'/api/audio/noise': ['get'],
'/api/audio/noise_control': ['get'],
'/api/audio/noise_control/enabled': ['get', 'set'],
'/api/audio/track/metadata': ['get'],
}
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