class Shop(TilePointBase):
    serializer = Serializer
    identifier = Key("shop")

    id = Value("")
    lat = Value(0.0)
    lon = Value(0.0)

class Serializer(object):
	@classmethod
	def is_valid(cls, response):
		if response.result:
			return True
		return False

	@classmethod
	def get(cls, instance=None, response=None, id=None, **kwargs):
		result = response.result
		fields = result[1] if (isinstance(result, list) and len(result) > 1) else None
		instance = instance()
		lat, lon = 0.0, 0.0
		if response.kwargs.get("withfields"):
			instance.fields = [tuple(fields[i:i+2]) for i in range(0, len(fields), 2)]
			result = result[0]
		if response.kwargs.get("type") == "point":
			lon, lat = list(map(float, result))			
		elif response.kwargs.get("type") == None:
			lon, lat = list(map(float, result.get("coordinates")))
		instance.lat = lat
		instance.lon = lon
		instance.id = id

		return instance

	@classmethod
	def ids(cls, response=None, **kwargs):
		data = response.result[1]
		result = []
		for d in data:
			name, info = d[0:2]
			name = name
			result.append(name)

		return result

	@classmethod
	def nearby(cls, response=None, **kwargs):
		data = response.result[1]
		result = []
		for d in data:
			name, info = d[0:2]
			lat, lon = info.get("coordinates")[::-1]
			coordinates = {"lat": lat, "long": lon}
			item = {"name":name, "coordinates": coordinates}
			result.append(item)

		return result

shop1 = Shop.create(lat=45.02695, lon=-77.431641, id="modula")
shop1.set(type="point") # alternatively, you can add this property to Shop class

shop2 = Shop.create(lat=43.516689, lon=-74.794922, id="bellissimo", type="point")
shop2.set(type="point")

shop3 = Shop.create(lat=51.835778, 
                    lon=9.931641,
                    id="metzgereiinübereinstimmungmitrindfleischetikettierungsüberwachungsaufgabenübertragungsgesetz",
                    type="point",
                    fields=[('hat_gelesen', 0),('agb_seiten', 100000000), ('wird_im_x_tagen_gesendet', 3900), ('oh_neue_agb', 1), ('neu_dazukommende_agb_seiten', 19590713256714671346890), ('kunde_muss_nochmal_bestätigen', 1)])
shop3.set(type="point", ex=60) # set expiration


shop4 = Shop.get(id="metzgereiinübereinstimmungmitrindfleischetikettierungsüberwachungsaufgabenübertragungsgesetz", withfields=True) # get point with associated fields

shop4.fields
>>> [('agb_seiten', 100000000), ('kunde_muss_nochmal_bestätigen', 1), ('neu_dazukommende_agb_seiten', 19590713256714670000000), ('oh_neue_agb', 1), ('wird_im_x_tagen_gesendet', 3900)]

shop4.lat = 33.33
shop4.set(type="point") # update this point with new data
dict(shop4)
>>> {'lat': 33.33, 'lon': 9.931641, 'id': 'metzgereiinübereinstimmungmitrindfleischetikettierungsüberwachungsaufgabenübertragungsgesetz'}

# check ttl
shop3.ttl().result
>>> 59

# remove expiration
shop3.persist().result 
>>> True

Shop.ids()
# >>> ['modula', 'bellissimo', 'metzgereiinübereinstimmungmitrindfleischetikettierungsüberwachungsaufgabenübertragungsgesetz']