Add utility for chaining exceptions

Author: doruirimescu

Trading/utils/chain_exceptions.py

@@ -0,0 +1,19 @@
+from typing import Callable, Any, List
+
+
+def chain_exceptions(
+    function_to_apply: Callable[..., Any],
+    exceptions: List[Exception],
+    default_return=None,
+    *args,
+    **kwargs
+) -> Any:
+    '''
+    Chain exceptions in a way that the function_to_apply is executed and if it raises an exception,
+    the exception is appended to the exceptions list and the default_return is returned.
+    '''
+    try:
+        return function_to_apply(*args, **kwargs)
+    except Exception as e:
+        exceptions.append(e)
+        return default_return