Introduce safe_value_fallback_2

freqtrade/misc.py

@@ -134,7 +134,21 @@ def round_dict(d, n):
     return {k: (round(v, n) if isinstance(v, float) else v) for k, v in d.items()}
 
 
-def safe_value_fallback(dict1: dict, dict2: dict, key1: str, key2: str, default_value=None):
+def safe_value_fallback(obj: dict, key1: str, key2: str, default_value=None):
+    """
+    Search a value in obj, return this if it's not None.
+    Then search key2 in obj - return that if it's not none - then use default_value.
+    Else falls back to None.
+    """
+    if key1 in obj and obj[key1] is not None:
+        return obj[key1]
+    else:
+        if key2 in obj and obj[key2] is not None:
+            return obj[key2]
+    return default_value
+
+
+def safe_value_fallback2(dict1: dict, dict2: dict, key1: str, key2: str, default_value=None):
     """
     Search a value in dict1, return this if it's not None.
     Fall back to dict2 - return key2 from dict2 if it's not None.