Working on Formating DSL completion

src/myfasthtml/core/dbengine_utils.py

@@ -0,0 +1,19 @@
+import pandas as pd
+from dbengine.handlers import BaseRefHandler
+
+
+class DataFrameHandler(BaseRefHandler):
+  def is_eligible_for(self, obj):
+    return isinstance(obj, pd.DataFrame)
+  
+  def tag(self):
+    return "DataFrame"
+  
+  def serialize_to_bytes(self, df) -> bytes:
+    from io import BytesIO
+    import pickle
+    return pickle.dumps(df)
+  
+  def deserialize_from_bytes(self, data: bytes):
+    import pickle
+    return pickle.loads(data)