Rewrite and extend custom JSONEncoder in bfxapi/utils/encoder.py to automatically convert floats to strs. Change every Union[Decimal, str] type to Union[Decimal, float, str]. Fix type hinting bug in labeler.py.

bfxapi/utils/encoder.py

@@ -2,8 +2,30 @@ import json
 from decimal import Decimal
 from datetime import datetime
 
+from typing import Type, List, Dict, Union, Any
+
+JSON = Union[Dict[str, "JSON"], List["JSON"], bool, int, float, str, Type[None]]
+
 class JSONEncoder(json.JSONEncoder):
-    def default(self, obj):
-        if isinstance(obj, Decimal) or isinstance(obj, datetime):
+    def encode(self, obj: JSON) -> str:
+        def _convert_float_to_str(data: JSON) -> JSON:
+            if isinstance(data, float):
+                return format(Decimal(repr(data)), "f")
+            elif isinstance(data, list):
+                return [ _convert_float_to_str(sub_data) for sub_data in data ]
+            elif isinstance(data, dict):
+                return { key: _convert_float_to_str(value) for key, value in data.items() }
+            else: return data
+
+        data = _convert_float_to_str(obj)
+
+        return json.JSONEncoder.encode(self, data)
+
+    def default(self, obj: Any) -> Any:
+        if isinstance(obj, Decimal):
+            return format(obj, "f")
+            
+        if isinstance(obj, datetime):
             return str(obj)
+
         return json.JSONEncoder.default(self, obj)