Fix position list validation

core/exchanges/__init__.py

@@ -1,3 +1,5 @@
+from abc import ABC, abstractmethod
+
 from alpaca.common.exceptions import APIError
 from glom import glom
 from oandapyV20.exceptions import V20Error
@@ -61,7 +63,7 @@ def snake_to_camel(word):
     return "".join(x.capitalize() or "_" for x in word.split("_"))
 
 
-class BaseExchange(object):
+class BaseExchange(ABC):
     def __init__(self, account):
         name = self.__class__.__name__
         self.name = name.replace("Exchange", "").lower()
@@ -70,8 +72,9 @@ class BaseExchange(object):
 
         self.connect()
 
+    @abstractmethod
     def connect(self):
-        raise NotImplementedError
+        pass
 
     @property
     def schema(self):
@@ -128,6 +131,7 @@ class BaseExchange(object):
     def validate_response(self, response, method):
         schema = self.get_schema(method)
         # Return a dict of the validated response
+        print("RESP", response)
         response_valid = schema(**response).dict()
         return response_valid
 
@@ -161,8 +165,9 @@ class BaseExchange(object):
         #     log.error(f"Error calling method: {e}")
         #     raise GenericAPIError(e)
 
+    @abstractmethod
     def get_account(self):
-        raise NotImplementedError
+        pass
 
     def extract_instrument(self, instruments, instrument):
         for x in instruments["itemlist"]:
@@ -170,38 +175,50 @@ class BaseExchange(object):
                 return x
         return None
 
+    @abstractmethod
     def get_currencies(self, symbols):
-        raise NotImplementedError
+        pass
 
+    @abstractmethod
     def get_instruments(self):
-        raise NotImplementedError
+        pass
 
+    @abstractmethod
     def get_supported_assets(self):
-        raise NotImplementedError
+        pass
 
+    @abstractmethod
     def get_balance(self):
-        raise NotImplementedError
+        pass
 
+    @abstractmethod
     def get_market_value(self, symbol):
-        raise NotImplementedError
+        pass
 
+    @abstractmethod
     def post_trade(self, trade):
-        raise NotImplementedError
+        pass
 
+    @abstractmethod
     def get_trade(self, trade_id):
-        raise NotImplementedError
+        pass
 
+    @abstractmethod
     def update_trade(self, trade):
-        raise NotImplementedError
+        pass
 
+    @abstractmethod
     def cancel_trade(self, trade_id):
-        raise NotImplementedError
+        pass
 
+    @abstractmethod
     def get_position_info(self, symbol):
-        raise NotImplementedError
+        pass
 
+    @abstractmethod
     def get_all_positions(self):
-        raise NotImplementedError
+        pass
 
+    @abstractmethod
     def close_all_positions(self):
-        raise NotImplementedError
+        pass