Handlers to construct response objects

This commit is contained in:
James Barnsley
2017-10-20 21:49:41 +13:00
parent dea834e956
commit d7b185208d
2 changed files with 112 additions and 108 deletions

View File

@ -105,11 +105,10 @@ class IrisCore(object):
connection['connection'].write_message( json_encode(data) )
response = {
'status': 1,
'message': 'Broadcast to '+str(len(self.connections))+' connections'
}
if (callback):
callback(response)
callback(response, False)
else:
return response
@ -129,11 +128,10 @@ class IrisCore(object):
connections.append(connection['client'])
response = {
'status': 1,
'connections': connections
}
if (callback):
callback(response)
callback(response, False)
else:
return response
@ -193,12 +191,11 @@ class IrisCore(object):
}
)
response = {
'status': 1,
'connection_id': connection_id,
'username': data['username']
}
if (callback):
callback(response)
callback(response, False)
else:
return response
@ -206,14 +203,14 @@ class IrisCore(object):
error = 'Connection "'+data['connection_id']+'" not found'
self.raven_client.captureMessage(error)
logger.error(error)
response = {
'status': 0,
error = {
'message': error
}
if (callback):
callback(response)
callback(False, error)
else:
return response
return error
def deliver_message(self, *args, **kwargs):
callback = kwargs.get('callback', False)
@ -222,11 +219,10 @@ class IrisCore(object):
if data['connection_id'] in self.connections:
self.send_message(connection_id=data['connection_id'], data=data['message'])
response = {
'status': 1,
'message': 'Sent message to '+data['connection_id']
}
if (callback):
callback(response)
callback(response, False)
else:
return response
@ -234,14 +230,14 @@ class IrisCore(object):
error = 'Connection "'+data['connection_id']+'" not found'
self.raven_client.captureMessage(error)
logger.error(error)
response = {
'status': 0,
error = {
'message': error
}
if (callback):
callback(response)
callback(False, error)
else:
return response
return error
@ -272,7 +268,7 @@ class IrisCore(object):
}
if (callback):
callback(response)
callback(response, False)
else:
return response
@ -296,7 +292,6 @@ class IrisCore(object):
upgrade_available = False
response = {
'status': 1,
'version': {
'current': self.version,
'latest': latest_version,
@ -305,7 +300,7 @@ class IrisCore(object):
}
}
if (callback):
callback(response)
callback(response, False)
else:
return response
@ -315,24 +310,22 @@ class IrisCore(object):
try:
subprocess.check_call(["pip", "install", "--upgrade", "Mopidy-Iris"])
response = {
'status': 1,
'message': "Upgrade started"
}
if (callback):
callback(response)
callback(response, False)
else:
return response
except subprocess.CalledProcessError as e:
self.raven_client.captureException(e)
response = {
'status': 0,
error = {
'message': "Could not start upgrade"
}
if (callback):
callback(response)
callback(False, error)
else:
return response
return error
def restart(self, *args, **kwargs):
os.execl(sys.executable, *([sys.executable]+sys.argv))
@ -350,11 +343,10 @@ class IrisCore(object):
callback = kwargs.get('callback', False)
response = {
'status': 1,
'radio': self.radio
}
if (callback):
callback(response)
callback(response, False)
else:
return response
@ -405,20 +397,19 @@ class IrisCore(object):
}
)
return self.get_radio(callback=callback)
self.get_radio(callback=callback)
return
# failed fetching/adding tracks, so no-go
self.radio['enabled'] = 0;
response = {
'status': 0,
error = {
'message': 'Could not start radio',
'radio': self.radio
}
if (callback):
callback(response)
callback(False, error)
else:
return response
return error
def stop_radio(self, *args, **kwargs):
@ -444,11 +435,10 @@ class IrisCore(object):
)
response = {
'status': 1,
'message': 'Stopped radio'
}
if (callback):
callback(response)
callback(response, False)
else:
return response
@ -525,11 +515,10 @@ class IrisCore(object):
callback = kwargs.get('callback', False)
response = {
'status': 1,
'queue_metadata': self.queue_metadata
}
if (callback):
callback(response)
callback(response, False)
else:
return response
@ -553,11 +542,10 @@ class IrisCore(object):
)
response = {
'status': 1,
'message': 'Added queue metadata'
}
if (callback):
callback(response)
callback(response, False)
else:
return response
@ -581,11 +569,10 @@ class IrisCore(object):
)
response = {
'status': 1,
'message': 'Cleaned queue metadata'
}
if (callback):
callback(response)
callback(response, False)
else:
return response
@ -605,7 +592,7 @@ class IrisCore(object):
}
if (callback):
callback(response)
callback(response, False)
else:
return response
@ -635,28 +622,24 @@ class IrisCore(object):
token = json.loads(response.body)
self.spotify_token = token
response = {
'spotify_token': token
}
if (callback):
callback({
'status': 1,
'spotify_token': token
})
callback(response, False)
else:
return token
return response
except urllib2.HTTPError as e:
self.raven_client.captureException()
error = json.loads(e.read())
response = {
'status': 0,
'message': 'Could not refresh token: '+error['error_description'],
'source': 'refresh_spotify_token'
}
error = {'message': 'Could not refresh token: '+error['error_description']}
if (callback):
callback(response)
callback(False, error)
else:
return response
return error
##
@ -675,22 +658,21 @@ class IrisCore(object):
data = kwargs.get('data', {})
except:
self.raven_client.captureException()
callback({
'status': 0,
callback(False, {
'message': 'Malformed data',
'source': 'proxy_request'
})
return
# Our request includes data, so make sure we POST the data
if 'url' not in data:
self.raven_client.captureException()
callback({
'status': 0,
callback(False, {
'message': 'Malformed data (missing URL)',
'source': 'proxy_request',
'original_request': data
})
return
# Construct request headers
# If we have an original request, pass through it's headers
@ -741,8 +723,12 @@ class IrisCore(object):
##
def test(self, *args, **kwargs):
callback = kwargs.get('callback', None)
time.sleep(1)
callback({
'status': 1,
'message': "Slept for one second"
})
data = kwargs.get('data', {})
if data and 'force_error' in data:
callback(False, {'message': "Could not sleep, forced error"})
return
else:
time.sleep(1)
callback({'message': "Slept for one second"}, False)
return

View File

@ -85,22 +85,14 @@ class WebsocketHandler(tornado.websocket.WebSocketHandler):
# make sure the method exists
if hasattr(mem.iris, message['method']):
getattr(mem.iris, message['method'])(data=data, callback=lambda response: self.handle_response(response=response, request_id=request_id))
getattr(mem.iris, message['method'])(data=data, callback=lambda response, error: self.handle_response(response=response, error=error, request_id=request_id))
else:
mem.iris.raven_client.captureMessage("Method "+message['method']+" does not exist")
self.handle_response({
'status': 0,
'message': 'Method "'+message['method']+'" does not exist',
'request_id': request_id
})
self.handle_response(error={'message': 'Method "'+message['method']+'" does not exist'})
return
else:
mem.iris.raven_client.captureMessage("Method key missing from request")
self.handle_response({
'status': 0,
'message': 'Method key missing from request',
'request_id': request_id
})
self.handle_response(error={'message': 'Method key missing from request'})
return
def on_close(self):
@ -112,12 +104,23 @@ class WebsocketHandler(tornado.websocket.WebSocketHandler):
##
def handle_response(self, *args, **kwargs):
response = kwargs.get('response', None)
error = kwargs.get('error', None)
request_id = kwargs.get('request_id', False)
# We've been given an error
if error:
data = error
data['status'] = 0
data['request_id'] = request_id
# Log error with Sentry
mem.iris.raven_client.captureMessage(error.message)
# We've been handed an AsyncHTTPClient callback. This is the case
# when our request calls subsequent external requests (eg Spotify, Genius)
if isinstance(response, tornado.httpclient.HTTPResponse):
response = {
elif isinstance(response, tornado.httpclient.HTTPResponse):
data = {
'status': 1,
'response_code': response.code,
'response_reason': response.reason,
'response': response.body,
@ -126,10 +129,12 @@ class WebsocketHandler(tornado.websocket.WebSocketHandler):
# Just a regular json object, so not an external request
else:
response['request_id'] = request_id
mem.iris.send_message(connection_id=self.connection_id, data=response)
data = response
data['status'] = 1
data['request_id'] = request_id
mem.iris.send_message(connection_id=self.connection_id, data=response)
# Respond to the original request
mem.iris.send_message(connection_id=self.connection_id, data=data)
@ -157,15 +162,11 @@ class HttpHandler(tornado.web.RequestHandler):
# make sure the method exists
if hasattr(mem.iris, slug):
getattr(mem.iris, slug)(request=self.request, callback=self.handle_response)
getattr(mem.iris, slug)(request=self.request, callback=lambda response, error: self.handle_response(response=response, error=error))
else:
mem.iris.raven_client.captureMessage("Method "+slug+" does not exist")
self.write({
'status': 0,
'message': 'Method "'+slug+'" does not exist'
})
self.finish()
self.handle_response(error={'message': "Method "+slug+" does not exist"})
return
@tornado.web.asynchronous
def post(self, slug=None):
@ -174,48 +175,65 @@ class HttpHandler(tornado.web.RequestHandler):
if hasattr(mem.iris, slug):
try:
data = json.loads(self.request.body.decode('utf-8'))
getattr(mem.iris, slug)(data=data, request=self.request, callback=self.handle_response)
getattr(mem.iris, slug)(data=data, request=self.request, callback=lambda response, error: self.handle_response(response=response, error=error))
except urllib2.HTTPError as e:
self.write({
'status': 0,
'message': 'Invalid JSON payload'
})
self.finish()
self.handle_response(error={'message': "Invalid JSON payload"})
return
else:
mem.iris.raven_client.captureMessage("Method "+slug+" does not exist")
self.write({
'status': 0,
'message': 'Method "'+slug+'" does not exist'
})
self.finish()
self.handle_response(error={'message': "Method "+slug+" does not exist"})
return
##
# Handle a response from our core
# This is just our callback from an Async request
##
def handle_response(self, response):
def handle_response(self, *args, **kwargs):
response = kwargs.get('response', None)
error = kwargs.get('error', None)
data = {}
print response
print error
print "------------"
if error:
data = error
data['status'] = 0
# Log error with Sentry
mem.iris.raven_client.captureMessage(data.message)
# We've been handed an AsyncHTTPClient callback. This is the case
# when our request calls subsequent external requests (eg Spotify, Genius).
# We don't need to wrap non-HTTPResponse responses as these are dicts
if isinstance(response, tornado.httpclient.HTTPResponse):
elif isinstance(response, tornado.httpclient.HTTPResponse):
# Digest JSON resposes into JSON
# Digest JSON responses into JSON
content_type = response.headers.get('Content-Type')
if content_type.startswith('application/json') or content_type.startswith('text/json'):
body = json.loads(response.body)
# Non-JSON so just copy as-is
else:
body = response.body
response = {
'response_code': response.code,
'response_message': response.reason,
data = {
'status': response.code,
'message': response.reason,
'response': body
}
self.write(response)
# Regular ol successful response
else:
data = response
data['status'] = 1
# Write our response
self.write(data)
self.finish()