diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e03c2cbd..239b1718 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -38,7 +38,7 @@ jobs:
           pip install ruff
       # Update output format to enable automatic inline annotations.
       - name: Run Ruff
-        run: ruff check --output-format=github datafusion
+        run: ruff check --output-format=github python/
 
   generate-license:
     runs-on: ubuntu-latest
diff --git a/pyproject.toml b/pyproject.toml
index d3536051..24bd2961 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,6 +55,7 @@ repository = "https://github.com/apache/arrow-datafusion-python"
 profile = "black"
 
 [tool.maturin]
+python-source = "python"
 module-name = "datafusion._internal"
 include = [
     { path = "Cargo.lock", format = "sdist" }
diff --git a/datafusion/__init__.py b/python/datafusion/__init__.py
similarity index 100%
rename from datafusion/__init__.py
rename to python/datafusion/__init__.py
diff --git a/datafusion/common.py b/python/datafusion/common.py
similarity index 100%
rename from datafusion/common.py
rename to python/datafusion/common.py
diff --git a/datafusion/expr.py b/python/datafusion/expr.py
similarity index 100%
rename from datafusion/expr.py
rename to python/datafusion/expr.py
diff --git a/datafusion/functions.py b/python/datafusion/functions.py
similarity index 100%
rename from datafusion/functions.py
rename to python/datafusion/functions.py
diff --git a/datafusion/input/__init__.py b/python/datafusion/input/__init__.py
similarity index 100%
rename from datafusion/input/__init__.py
rename to python/datafusion/input/__init__.py
diff --git a/datafusion/input/base.py b/python/datafusion/input/base.py
similarity index 100%
rename from datafusion/input/base.py
rename to python/datafusion/input/base.py
diff --git a/datafusion/input/location.py b/python/datafusion/input/location.py
similarity index 100%
rename from datafusion/input/location.py
rename to python/datafusion/input/location.py
diff --git a/datafusion/object_store.py b/python/datafusion/object_store.py
similarity index 100%
rename from datafusion/object_store.py
rename to python/datafusion/object_store.py
diff --git a/datafusion/substrait.py b/python/datafusion/substrait.py
similarity index 100%
rename from datafusion/substrait.py
rename to python/datafusion/substrait.py
diff --git a/datafusion/tests/__init__.py b/python/datafusion/tests/__init__.py
similarity index 100%
rename from datafusion/tests/__init__.py
rename to python/datafusion/tests/__init__.py
diff --git a/datafusion/tests/conftest.py b/python/datafusion/tests/conftest.py
similarity index 100%
rename from datafusion/tests/conftest.py
rename to python/datafusion/tests/conftest.py
diff --git a/datafusion/tests/data_test_context/data.json b/python/datafusion/tests/data_test_context/data.json
similarity index 100%
rename from datafusion/tests/data_test_context/data.json
rename to python/datafusion/tests/data_test_context/data.json
diff --git a/datafusion/tests/generic.py b/python/datafusion/tests/generic.py
similarity index 100%
rename from datafusion/tests/generic.py
rename to python/datafusion/tests/generic.py
diff --git a/datafusion/tests/test_aggregation.py b/python/datafusion/tests/test_aggregation.py
similarity index 100%
rename from datafusion/tests/test_aggregation.py
rename to python/datafusion/tests/test_aggregation.py
diff --git a/datafusion/tests/test_catalog.py b/python/datafusion/tests/test_catalog.py
similarity index 100%
rename from datafusion/tests/test_catalog.py
rename to python/datafusion/tests/test_catalog.py
diff --git a/datafusion/tests/test_config.py b/python/datafusion/tests/test_config.py
similarity index 100%
rename from datafusion/tests/test_config.py
rename to python/datafusion/tests/test_config.py
diff --git a/datafusion/tests/test_context.py b/python/datafusion/tests/test_context.py
similarity index 100%
rename from datafusion/tests/test_context.py
rename to python/datafusion/tests/test_context.py
diff --git a/datafusion/tests/test_dataframe.py b/python/datafusion/tests/test_dataframe.py
similarity index 100%
rename from datafusion/tests/test_dataframe.py
rename to python/datafusion/tests/test_dataframe.py
diff --git a/datafusion/tests/test_expr.py b/python/datafusion/tests/test_expr.py
similarity index 100%
rename from datafusion/tests/test_expr.py
rename to python/datafusion/tests/test_expr.py
diff --git a/datafusion/tests/test_functions.py b/python/datafusion/tests/test_functions.py
similarity index 100%
rename from datafusion/tests/test_functions.py
rename to python/datafusion/tests/test_functions.py
diff --git a/datafusion/tests/test_imports.py b/python/datafusion/tests/test_imports.py
similarity index 100%
rename from datafusion/tests/test_imports.py
rename to python/datafusion/tests/test_imports.py
diff --git a/datafusion/tests/test_indexing.py b/python/datafusion/tests/test_indexing.py
similarity index 100%
rename from datafusion/tests/test_indexing.py
rename to python/datafusion/tests/test_indexing.py
diff --git a/datafusion/tests/test_input.py b/python/datafusion/tests/test_input.py
similarity index 100%
rename from datafusion/tests/test_input.py
rename to python/datafusion/tests/test_input.py
diff --git a/datafusion/tests/test_sql.py b/python/datafusion/tests/test_sql.py
similarity index 100%
rename from datafusion/tests/test_sql.py
rename to python/datafusion/tests/test_sql.py
diff --git a/datafusion/tests/test_store.py b/python/datafusion/tests/test_store.py
similarity index 100%
rename from datafusion/tests/test_store.py
rename to python/datafusion/tests/test_store.py
diff --git a/datafusion/tests/test_substrait.py b/python/datafusion/tests/test_substrait.py
similarity index 100%
rename from datafusion/tests/test_substrait.py
rename to python/datafusion/tests/test_substrait.py
diff --git a/datafusion/tests/test_udaf.py b/python/datafusion/tests/test_udaf.py
similarity index 100%
rename from datafusion/tests/test_udaf.py
rename to python/datafusion/tests/test_udaf.py