Added key checking to each attribute in scryfall_object. Fixed import issues, can now import everything.

cards/cardid.py

@@ -1,4 +1,4 @@
-from scryfall_object import ScryfallObject
+from .scryfall_object import ScryfallObject
 
 class Id(ScryfallObject):
 	""" cards/:id

cards/collector.py

@@ -1,4 +1,4 @@
-from scryfall_object import ScryfallObject
+from .scryfall_object import ScryfallObject
 
 class Collector(ScryfallObject):
 	""" cards/:code/:collector_number

cards/mtgo.py

@@ -1,4 +1,4 @@
-from scryfall_object import ScryfallObject
+from .scryfall_object import ScryfallObject
 import urllib.parse
 
 class Mtgo(ScryfallObject):

cards/multiverse.py

@@ -1,4 +1,4 @@
-from scryfall_object import ScryfallObject
+from .scryfall_object import ScryfallObject
 
 class Multiverse(ScryfallObject):
 	"""

cards/named.py

@@ -1,4 +1,4 @@
-from scryfall_object import ScryfallObject
+from .scryfall_object import ScryfallObject
 import urllib.parse
 
 class Named(ScryfallObject):

cards/randomcard.py

@@ -1,4 +1,4 @@
-from scryfall_object import ScryfallObject
+from .scryfall_object import ScryfallObject
 
 
 class RandomCard(ScryfallObject):

cards/scryfall_object.py

@@ -1,7 +1,6 @@
 import aiohttp
 import asyncio
 
-
 class ScryfallObject(object):
 	"""
 	Parameters:
@@ -81,131 +80,270 @@ class ScryfallObject(object):
 
 		self.session.close()
 
+	def __checkForKey(self, key):
+		try:
+			return self.scryfallJson[key]
+		except KeyError:
+			return None
+
 	def object(self):
+		if self.__checkForKey('object') is None:
+			return KeyError("This card has no associated object.")
+
 		return self.scryfallJson['object']
 
 	def id(self):
+		if self.__checkForKey('id') is None:
+			return KeyError("This card has no associated id.")
+
 		return self.scryfallJson['id']
 
 	def multiverse_ids(self):
+		if self.__checkForKey('multiverse_ids') is None:
+			return KeyError("This card has no associated multiverse id.")
+
 		return self.scryfallJson['multiverse_ids']
 
 	def mtgo_id(self):
+		if self.__checkForKey('mtgo_id') is None:
+			return KeyError("This card has no associated mtgo id.")
+
 		return self.scryfallJson['mtgo_id']
 
 	def mtgo_foil_id(self):
+		if self.__checkForKey('mtgo_foil_id') is None:
+			return KeyError("This card has no associate mtgo foil id.")
+
 		return self.scryfallJson['mtgo_foil_id']
 
 	def name(self):
+		if self.__checkForKey('name') is None:
+			return KeyError("This card has no associated name.")
+
 		return self.scryfallJson['name']
 
 	def uri(self):
+		if self.__checkForKey('uri') is None:
+			return KeyError("This card has no associated uri.")
+
 		return self.scryfallJson['uri']
 
 	def scryfall_uri(self):
+		if self.__checkForKey('scryfall_uri') is None:
+			return KeyError("This card has no associated scryfall uri.")
+
 		return self.scryfallJson['scryfall_uri']
 
 	def layout(self):
+		if self.__checkForKey('layout') is None:
+			return KeyError("This card has no associated layout.")
+
 		return self.scryfallJson['layout']
 
 	def highres_image(self):
+		if self.__checkForKey('highres_image') is None:
+			return KeyError("This card has no associated highres image.")
+
 		return self.scryfallJson['highres_image']
 
 	def image_uris(self):
+		if self.__checkForKey('image_uris') is None:
+			return KeyError("This card has no associated image uris.")
+
 		return self.scryfallJson['image_uris']
 
 	def cmc(self):
+		if self.__checkForKey('cmc') is None:
+			return KeyError("This card has no associated cmc.")
+
 		return self.scryfallJson['cmc']
 
 	def type_line(self):
+		if self.__checkForKey('type_line') is None:
+			return KeyError("This card has no associated type line.")
+
 		return self.scryfallJson['type_line']
 
 	def oracle_text(self):
+		if self.__checkForKey('oracle_text') is None:
+			return KeyError("This card has no associated oracle text.")
+
 		return self.scryfallJson['oracle_text']
 
 	def mana_cost(self):
+		if self.__checkForKey('mana_cost') is None:
+			return KeyError("This card has no associated mana cost.")
+
 		return self.scryfallJson['mana_cost']
 
 	def colors(self):
+		if self.__checkForKey('colors') is None:
+			return KeyError("This card has no associated colors.")
+
 		return self.scryfallJson['colors']
 
 	def color_identity(self):
+		if self.__checkForKey('color_identity') is None:
+			return KeyError("This card has no associated color identity.")
+
 		return self.scryfallJson['color_identity']
 
 	def legalities(self):
+		if self.__checkForKey('legalities') is None:
+			return KeyError("This card has no associated legalities.")
+
 		return self.scryfallJson['legalities']
 
+	#TODO: Format error
 	def reserved(self):
+		if self.__checkForKey('reserved') is None:
+			return KeyError("This card has no associated .")
+
 		return self.scryfallJson['reserved']
 
 	def reprint(self):
+		if self.__checkForKey('reprint') is None:
+			return KeyError("This card has no associated reprint.")
+
 		return self.scryfallJson['reprint']
 
 	def set(self):
+		if self.__checkForKey('set') is None:
+			return KeyError("This card has no associated set.")
+
 		return self.scryfallJson['set']
 
 	def set_name(self):
+		if self.__checkForKey('set_name') is None:
+			return KeyError("This card has no associated set name.")
+
 		return self.scryfallJson['set_name']
 
 	def set_uri(self):
+		if self.__checkForKey('set_uri') is None:
+			return KeyError("This card has no associated set uri.")
+
 		return self.scryfallJson['set_uri']
 
 	def set_search_uri(self):
+		if self.__checkForKey('set_search_uri') is None:
+			return KeyError("This card has no associated set search uri.")
+
 		return self.scryfallJson['set_search_uri']
 
 	def scryfall_set_uri(self):
+		if self.__checkForKey('scryfall_set_uri') is None:
+			return KeyError("This card has no associated scryfall set uri.")
+
 		return self.scryfallJson['scryfall_set_uri']
 
 	def rulings_uri(self):
+		if self.__checkForKey('rulings_uri') is None:
+			return KeyError("This card has no associated rulings uri.")
+
 		return self.scryfallJson['rulings_uri']
 
 	def prints_search_uri(self):
+		if self.__checkForKey('prints_search_uri') is None:
+			return KeyError("This card has no associated prints search uri.")
+
 		return self.scryfallJson['prints_search_uri']
 
 	def collector_number(self):
+		if self.__checkForKey('collector_number') is None:
+			return KeyError("This card has no associated collector number.")
+
 		return self.scryfallJson['collector_number']
 
+	#TODO: Format Error
 	def digital(self):
+		if self.__checkForKey('digital') is None:
+			return KeyError("This card has no associated .")
+
 		return self.scryfallJson['digital']
 
 	def rarity(self):
+		if self.__checkForKey('rarity') is None:
+			return KeyError("This card has no associated rarity.")
+
 		return self.scryfallJson['rarity']
 
 	def illustration_id(self):
+		if self.__checkForKey('illustration_id') is None:
+			return KeyError("This card has no associated illustration id.")
+
 		return self.scryfallJson['illustration_id']
 
 	def artist(self):
+		if self.__checkForKey('artist') is None:
+			return KeyError("This card has no associated artist.")
+
 		return self.scryfallJson['artist']
 
 	def frame(self):
+		if self.__checkForKey('frame') is None:
+			return KeyError("This card has no associated frame.")
+
 		return self.scryfallJson['frame']
 
+	#TODO: Format error
 	def full_art(self):
+		if self.__checkForKey('') is None:
+			return KeyError("This card has no associated .")
+
 		return self.scryfallJson['full_art']
 
 	def border_color(self):
+		if self.__checkForKey('border_color') is None:
+			return KeyError("This card has no associated border color.")
+
 		return self.scryfallJson['border_color']
 
+	#TODO: Format Error
 	def timeshifted(self):
+		if self.__checkForKey('timeshifted') is None:
+			return KeyError("This card has no associated .")
+
 		return self.scryfallJson['timeshifted']
 
+	#TODO: Format Error
 	def colorshifted(self):
+		if self.__checkForKey('colorshifted') is None:
+			return KeyError("This card has no associated .")
+
 		return self.scryfallJson['colorshifted']
 
+	#TODO: Format Error
 	def futureshifted(self):
+		if self.__checkForKey('futureshifted') is None:
+			return KeyError("This card has no associated .")
+
 		return self.scryfallJson['futureshifted']
 
 	def edhrec_rank(self):
+		if self.__checkForKey('edhrec_rank') is None:
+			return KeyError("This card has no associated edhrec rank.")
+
 		return self.scryfallJson['edhrec_rank']
 
 	def currency(self, mode):
 		modes = ['usd', 'eur', 'tix']
 		if mode not in modes:
-			return KeyError("That currency is not available.")
+			return KeyError("This card has no associated currency {}".format(mode))
+
+		if self.__checkForKey(mode) is None:
+			return KeyError("This card has no associated currency {}".format(mode))
+
 		return self.scryfallJson[mode]
 
 	def related_uris(self):
+		if self.__checkForKey('related_uris') is None:
+			return KeyError("This card has no associated related uris.")
+
 		return self.scryfallJson['related_uris']
 
 	def purchase_uris(self):
+		if self.__checkForKey('purchase_uris') is None:
+			return KeyError("This card has no associated purchase uris.")
+
 		return self.scryfallJson['purchase_uris']