DOC: Add filesystem keyword arg and documentation to DataFrame.to_parquet

Author: mroeschke

pandas/core/frame.py

@@ -2918,6 +2918,7 @@ def to_parquet(
         index: bool | None = ...,
         partition_cols: list[str] | None = ...,
         storage_options: StorageOptions = ...,
+        filesystem: Any = ...,
         **kwargs,
     ) -> bytes: ...
 
@@ -2931,6 +2932,7 @@ def to_parquet(
         index: bool | None = ...,
         partition_cols: list[str] | None = ...,
         storage_options: StorageOptions = ...,
+        filesystem: Any = ...,
         **kwargs,
     ) -> None: ...
 
@@ -2944,6 +2946,7 @@ def to_parquet(
         index: bool | None = None,
         partition_cols: list[str] | None = None,
         storage_options: StorageOptions | None = None,
+        filesystem: Any = None,
         **kwargs,
     ) -> bytes | None:
         """
@@ -2983,6 +2986,12 @@ def to_parquet(
             Must be None if path is not a string.
         {storage_options}
 
+        filesystem : fsspec or pyarrow filesystem, default None
+            Filesystem object to use when reading the parquet file. Only implemented
+            for ``engine="pyarrow"``.
+
+            .. versionadded:: 2.1.0
+
         **kwargs
             Additional arguments passed to the parquet library. See
             :ref:`pandas io <io.parquet>` for more details.
@@ -3044,6 +3053,7 @@ def to_parquet(
             index=index,
             partition_cols=partition_cols,
             storage_options=storage_options,
+            filesystem=filesystem,
             **kwargs,
         )