wip readind daft df

Author: ym-pett

narwhals/_namespace.py

@@ -21,6 +21,7 @@
     get_pandas,
     get_polars,
     get_pyarrow,
+    is_daft_dataframe,
     is_dask_dataframe,
     is_duckdb_relation,
     is_ibis_table,
@@ -124,6 +125,9 @@ def where(self, cond: Any, other: Any = ..., **kwds: Any) -> Any: ...
     class _NativeDask(Protocol):
         _partition_type: type[pd.DataFrame]
 
+    # TODO @mp
+    class _NativeDaft(Protocol): ...
+
     class _CuDFDataFrame(_BasePandasLikeFrame, Protocol):
         def to_pylibcudf(self, *args: Any, **kwds: Any) -> Any: ...
 
@@ -371,6 +375,9 @@ def from_native_object(
                 if is_native_pyspark_connect(native)
                 else Implementation.PYSPARK
             )
+        elif is_native_daft(native):  # pragma: no cover
+            # TODO @mp fix this!
+            impl = Implementation.DAFT
         elif is_native_dask(native):  # pragma: no cover
             impl = Implementation.DASK
         elif is_native_duckdb(native):
@@ -399,6 +406,10 @@ def is_native_arrow(obj: Any) -> TypeIs[_NativeArrow]:
     )
 
 
+def is_native_daft(obj: Any) -> TypeIs[_NativeDaft]:
+    return is_daft_dataframe(obj)
+
+
 def is_native_dask(obj: Any) -> TypeIs[_NativeDask]:
     return is_dask_dataframe(obj)
 

narwhals/_utils.py

@@ -300,6 +300,8 @@ class Implementation(NoAutoEnum):
     """PySpark implementation."""
     POLARS = "polars"
     """Polars implementation."""
+    DAFT = "daft"
+    """Daft implementation."""
     DASK = "dask"
     """Dask implementation."""
     DUCKDB = "duckdb"