FEAT-#7308: Interoperability between query compilers

.github/workflows/ci.yml

@@ -698,6 +698,14 @@ jobs:
       - run: python -m pytest modin/tests/pandas/dataframe/test_reduce.py
       - run: python -m pytest modin/tests/pandas/dataframe/test_udf.py
       - run: python -m pytest modin/tests/pandas/dataframe/test_window.py
+      - run: python -m pytest modin/tests/pandas/native_df_mode/test_binary.py
+      - run: python -m pytest modin/tests/pandas/native_df_mode/test_default.py
+      - run: python -m pytest modin/tests/pandas/native_df_mode/test_indexing.py
+      - run: python -m pytest modin/tests/pandas/native_df_mode/test_iter.py
+      - run: python -m pytest modin/tests/pandas/native_df_mode/test_join_sort.py
+      - run: python -m pytest modin/tests/pandas/native_df_mode/test_map_metadata.py
+      - run: python -m pytest modin/tests/pandas/native_df_mode/test_pickle.py
+      - run: python -m pytest modin/tests/pandas/native_df_mode/test_window.py
       - uses: ./.github/actions/upload-coverage
 
   merge-coverage-artifacts:

modin/core/storage_formats/pandas/native_query_compiler.py

@@ -24,8 +24,8 @@
 import pandas
 from pandas.core.dtypes.common import is_list_like, is_scalar
 
-from modin.config.envvars import NativeDataframeMode
 from modin.core.storage_formats.base.query_compiler import BaseQueryCompiler
+from modin.core.storage_formats.pandas.query_compiler_caster import QueryCompilerCaster
 from modin.utils import (
     MODIN_UNNAMED_SERIES_LABEL,
     _inherit_docstrings,
@@ -565,7 +565,7 @@
 
 
 @_inherit_docstrings(BaseQueryCompiler)
-class NativeQueryCompiler(BaseQueryCompiler):
+class NativeQueryCompiler(BaseQueryCompiler, QueryCompilerCaster):
     """
     Query compiler for the pandas storage format.
 
@@ -585,7 +585,6 @@
     _shape_hint: Optional[str]
 
     def __init__(self, pandas_frame, shape_hint: Optional[str] = None):
-        assert NativeDataframeMode.get() == "Pandas"
         if hasattr(pandas_frame, "_to_pandas"):
             pandas_frame = pandas_frame._to_pandas()
         if is_scalar(pandas_frame):

modin/core/storage_formats/pandas/query_compiler.py

@@ -66,6 +66,7 @@
     extract_dtype,
 )
 from modin.core.storage_formats import BaseQueryCompiler
+from modin.core.storage_formats.pandas.query_compiler_caster import QueryCompilerCaster
 from modin.error_message import ErrorMessage
 from modin.logging import get_logger
 from modin.utils import (
@@ -253,7 +254,7 @@ def caller(df, *args, **kwargs):
 
 
 @_inherit_docstrings(BaseQueryCompiler)
-class PandasQueryCompiler(BaseQueryCompiler):
+class PandasQueryCompiler(BaseQueryCompiler, QueryCompilerCaster):
     """
     Query compiler for the pandas storage format.
 

modin/core/storage_formats/pandas/query_compiler_caster.py

@@ -0,0 +1,159 @@
+# Licensed to Modin Development Team under one or more contributor license agreements.
+# See the NOTICE file distributed with this work for additional information regarding
+# copyright ownership.  The Modin Development Team licenses this file to you under the
+# Apache License, Version 2.0 (the "License"); you may not use this file except in
+# compliance with the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed under
+# the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+# ANY KIND, either express or implied. See the License for the specific language
+# governing permissions and limitations under the License.
+
+"""
+Module contains ``QueryCompilerCaster`` class.
+
+``QueryCompilerCaster`` is used for automatically casting query compiler
+arguments to the type of the current query compiler for query compiler class functions.
+This ensures compatibility between different query compiler classes.
+"""
+
+import functools
+import inspect
+from types import FunctionType, MethodType
+from typing import Any, Dict, Tuple, TypeVar
+
+from pandas.core.indexes.frozen import FrozenList
+
+from modin.core.storage_formats.base.query_compiler import BaseQueryCompiler
+
+Fn = TypeVar("Fn", bound=Any)
+
+
+class QueryCompilerCaster:
+    """Cast all query compiler arguments of the member function to current query compiler."""
+
+    @classmethod
+    def __init_subclass__(
+        cls,
+        **kwargs: Dict,
+    ) -> None:
+        """
+        Apply type casting to all children of ``QueryCompilerCaster``.
+
+        This method is called automatically when a class inherits from
+        ``QueryCompilerCaster``. It ensures that all member functions within the
+        subclass have their arguments automatically casted to the current query
+        compiler type.
+
+        Parameters
+        ----------
+        **kwargs : Additional keyword arguments
+        """
+        super().__init_subclass__(**kwargs)
+        apply_argument_cast(cls)
+
+
+def cast_nested_args_to_current_qc_type(arguments, current_qc):
+    """
+    Cast all arguments in nested fashion to current query compiler.
+
+    Parameters
+    ----------
+    arguments : tuple or dict
+    current_qc : BaseQueryCompiler
+
+    Returns
+    -------
+    tuple or dict
+        Returns args and kwargs with all query compilers casted to current_qc.
+    """
+
+    def cast_arg_to_current_qc(arg):
+        current_qc_type = type(current_qc)
+        if isinstance(arg, BaseQueryCompiler) and not isinstance(arg, current_qc_type):
+            data_cls = current_qc._modin_frame
+            return current_qc_type.from_pandas(arg.to_pandas(), data_cls)
+        else:
+            return arg
+
+    imutable_types = (FrozenList, tuple)
+    if isinstance(arguments, imutable_types):
+        args_type = type(arguments)
+        arguments = list(arguments)
+        arguments = cast_nested_args_to_current_qc_type(arguments, current_qc)
+
+        return args_type(arguments)
+    if isinstance(arguments, list):
+        for i in range(len(arguments)):
+            if isinstance(arguments[i], (list, dict)):
+                cast_nested_args_to_current_qc_type(arguments[i], current_qc)
+            else:
+                arguments[i] = cast_arg_to_current_qc(arguments[i])
+    elif isinstance(arguments, dict):
+        for key in arguments:
+            if isinstance(arguments[key], (list, dict)):
+                cast_nested_args_to_current_qc_type(arguments[key], current_qc)
+            else:
+                arguments[key] = cast_arg_to_current_qc(arguments[key])
+    return arguments
+
+
+def apply_argument_cast(obj: Fn) -> Fn:
+    """
+    Cast all arguments that are query compilers to the current query compiler.
+
+    Parameters
+    ----------
+    obj : function
+
+    Returns
+    -------
+    function
+        Returns decorated function which does argument casting.
+    """
+    if isinstance(obj, type):
+        all_attrs = dict(inspect.getmembers(obj))
+        all_attrs.pop("__abstractmethods__")
+
+        # This is required because inspect converts class methods to member functions
+        current_class_attrs = vars(obj)
+        for key in current_class_attrs:
+            all_attrs[key] = current_class_attrs[key]
+
+        for attr_name, attr_value in all_attrs.items():
+            if isinstance(
+                attr_value, (FunctionType, MethodType, classmethod, staticmethod)
+            ):
+                wrapped = apply_argument_cast(attr_value)
+                setattr(obj, attr_name, wrapped)
+        return obj  # type: ignore [return-value]
+    elif isinstance(obj, classmethod):
+        return classmethod(apply_argument_cast(obj.__func__))  # type: ignore [return-value, arg-type]
+    elif isinstance(obj, staticmethod):
+        return staticmethod(apply_argument_cast(obj.__func__))
+
+    @functools.wraps(obj)
+    def cast_args(*args: Tuple, **kwargs: Dict) -> Any:
+        """
+        Add casting for query compiler arguments.
+
+        Parameters
+        ----------
+        *args : tuple
+            The function arguments.
+        **kwargs : dict
+            The function keyword arguments.
+
+        Returns
+        -------
+        Any
+        """
+        current_qc = args[0]
+        if isinstance(current_qc, BaseQueryCompiler):
+            kwargs = cast_nested_args_to_current_qc_type(kwargs, current_qc)
+            args = cast_nested_args_to_current_qc_type(args, current_qc)
+        return obj(*args, **kwargs)
+
+    return cast_args

modin/pandas/dataframe.py

@@ -2993,9 +2993,8 @@ def _create_or_update_from_compiler(
         DataFrame or None
             None if update was done, ``DataFrame`` otherwise.
         """
-        assert (
-            isinstance(new_query_compiler, type(self._query_compiler))
-            or type(new_query_compiler) in self._query_compiler.__class__.__bases__
+        assert isinstance(
+            new_query_compiler, self._query_compiler.__class__.__bases__
         ), "Invalid Query Compiler object: {}".format(type(new_query_compiler))
         if not inplace:
             return self.__constructor__(query_compiler=new_query_compiler)

modin/tests/pandas/native_df_mode/__init__.py

@@ -0,0 +1,12 @@
+# Licensed to Modin Development Team under one or more contributor license agreements.
+# See the NOTICE file distributed with this work for additional information regarding
+# copyright ownership.  The Modin Development Team licenses this file to you under the
+# Apache License, Version 2.0 (the "License"); you may not use this file except in
+# compliance with the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed under
+# the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+# ANY KIND, either express or implied. See the License for the specific language
+# governing permissions and limitations under the License.