fix: mark from_view method as deprecated and update warning message

Author: kosiew

python/datafusion/table_provider.py

@@ -19,6 +19,7 @@
 from __future__ import annotations
 
 from typing import Any
+import warnings
 
 import datafusion._internal as df_internal
 
@@ -69,13 +70,19 @@ def from_dataframe(cls, df: Any) -> TableProvider:
 
     @classmethod
     def from_view(cls, df: Any) -> TableProvider:
-        """Create a :class:`TableProvider` from a DataFrame view."""
+        """Deprecated. Use :meth:`DataFrame.into_view` or :meth:`TableProvider.from_dataframe`."""
         from datafusion.dataframe import DataFrame as DataFrameWrapper
 
         if isinstance(df, DataFrameWrapper):
             df = df.df
 
         provider = _InternalTableProvider.from_view(df)
+        warnings.warn(
+            "TableProvider.from_view is deprecated; use DataFrame.into_view or "
+            "TableProvider.from_dataframe instead.",
+            DeprecationWarning,
+            stacklevel=2,
+        )
         return cls(provider)
 
     # ------------------------------------------------------------------