Added ability for objects to override how they show up in dataframe

pandas/io/formats/printing.py

@@ -210,6 +210,10 @@ def as_escaped_string(
 
     if hasattr(thing, "__next__"):
         return str(thing)
+
+    if hasattr(thing, "__pandas_repr__"):
+        return str(thing.__pandas_repr__())
+
     elif isinstance(thing, dict) and _nest_lvl < get_option(
         "display.pprint_nest_depth"
     ):