Remove pyarrow as a direct dependency

.github/workflows/pythonbuild.yml

@@ -59,7 +59,7 @@ jobs:
         run: |
           pip install uv
           make setup-global-uv
-          uv pip uninstall --system pandas
+          uv pip uninstall --system pandas pyarrow
           uv pip freeze
       - name: Test with coverage
         run: |
@@ -98,7 +98,7 @@ jobs:
         run: |
           pip install uv
           make setup-global-uv
-          uv pip uninstall --system pandas
+          uv pip uninstall --system pandas pyarrow
           uv pip freeze
       - name: Run extras unit tests with coverage
         # Skip this step if running on python 3.12 due to https://github.com/tensorflow/tensorflow/issues/62003

dev-requirements.in

@@ -51,6 +51,7 @@ autoflake
 pillow
 numpy
 pandas
+pyarrow
 scikit-learn
 types-requests
 prometheus-client

pyproject.toml

@@ -38,7 +38,6 @@ dependencies = [
     "marshmallow-jsonschema>=0.12.0",
     "mashumaro>=3.11",
     "protobuf!=4.25.0",
-    "pyarrow",
     "pygments",
     "python-json-logger>=2.0.0",
     "pytimeparse>=1.1.8",

tests/flytekit/unit/core/test_type_engine.py

@@ -12,7 +12,6 @@
 from typing import List, Optional, Type
 
 import mock
-import pyarrow as pa
 import pytest
 import typing_extensions
 from dataclasses_json import DataClassJsonMixin, dataclass_json
@@ -1408,9 +1407,11 @@ class UnsupportedEnumValues(Enum):
     BLUE = 3
 
 
+@pytest.mark.skipif("polars" not in sys.modules, reason="pyarrow is not installed.")
 @pytest.mark.skipif("pandas" not in sys.modules, reason="Pandas is not installed.")
 def test_structured_dataset_type():
     import pandas as pd
+    import pyarrow as pa
     from pandas._testing import assert_frame_equal
 
     name = "Name"

tests/flytekit/unit/deck/test_renderer.py

@@ -1,11 +1,11 @@
 import sys
 
-import pyarrow as pa
 import pytest
 
 from flytekit.deck.renderer import DEFAULT_MAX_COLS, DEFAULT_MAX_ROWS, ArrowRenderer, TopFrameRenderer
 
 
+@pytest.mark.skipif("pyarrow" not in sys.modules, reason="Pyarrow is not installed.")
 @pytest.mark.skipif("pandas" not in sys.modules, reason="Pandas is not installed.")
 @pytest.mark.parametrize(
     "rows, cols, max_rows, expected_max_rows, max_cols, expected_max_cols",
@@ -23,6 +23,7 @@
 )
 def test_renderer(rows, cols, max_rows, expected_max_rows, max_cols, expected_max_cols):
     import pandas as pd
+    import pyarrow as pa
 
     df = pd.DataFrame({f"abc-{k}": list(range(rows)) for k in range(cols)})
     pa_df = pa.Table.from_pandas(df)

tests/flytekit/unit/lazy_module/test_lazy_module.py

@@ -4,8 +4,8 @@
 
 
 def test_lazy_module():
-    mod = lazy_module("pyarrow")
-    assert mod.__name__ == "pyarrow"
+    mod = lazy_module("click")
+    assert mod.__name__ == "click"
     mod = lazy_module("fake_module")
     assert isinstance(mod, LazyModule)
     with pytest.raises(ImportError, match="Module fake_module is not yet installed."):

tests/flytekit/unit/types/structured_dataset/test_arrow_data.py

@@ -1,16 +1,17 @@
 import sys
 import typing
 
-import pyarrow as pa
 import pytest
 from typing_extensions import Annotated
 
 from flytekit import kwtypes, task
 
 
+@pytest.mark.skipif("pyarrow" not in sys.modules, reason="Pyarrow is not installed.")
 @pytest.mark.skipif("pandas" not in sys.modules, reason="Pandas is not installed.")
 def test_structured_dataset_wf():
     import pandas as pd
+    import pyarrow as pa
 
     cols = kwtypes(Name=str, Age=int)
     subset_cols = kwtypes(Name=str)

tests/flytekit/unit/types/structured_dataset/test_structured_dataset.py

@@ -4,7 +4,6 @@
 from collections import OrderedDict
 
 import google.cloud.bigquery
-import pyarrow as pa
 import pytest
 from fsspec.utils import get_protocol
 from typing_extensions import Annotated
@@ -34,6 +33,7 @@
 )
 
 pd = pytest.importorskip("pandas")
+pa = pytest.importorskip("pyarrow")
 
 my_cols = kwtypes(w=typing.Dict[str, typing.Dict[str, int]], x=typing.List[typing.List[int]], y=int, z=str)
 

tests/flytekit/unit/types/structured_dataset/test_structured_dataset_handlers.py

@@ -1,7 +1,6 @@
 import typing
 
 import mock
-import pyarrow as pa
 import pytest
 
 from flytekit.core import context_manager
@@ -17,6 +16,7 @@
 )
 
 pd = pytest.importorskip("pandas")
+pa = pytest.importorskip("pyarrow")
 my_cols = kwtypes(w=typing.Dict[str, typing.Dict[str, int]], x=typing.List[typing.List[int]], y=int, z=str)
 fields = [("some_int", pa.int32()), ("some_string", pa.string())]
 arrow_schema = pa.schema(fields)

tests/flytekit/unit/types/structured_dataset/test_structured_dataset_workflow.py

@@ -3,8 +3,6 @@
 from dataclasses import dataclass
 
 import numpy as np
-import pyarrow as pa
-import pyarrow.parquet as pq
 import pytest
 from typing_extensions import Annotated
 
@@ -24,6 +22,8 @@
 )
 
 pd = pytest.importorskip("pandas")
+pa = pytest.importorskip("pyarrow")
+pq = pytest.importorskip("pyarrow.parquet")
 
 PANDAS_PATH = FlyteContextManager.current_context().file_access.get_random_local_directory()
 NUMPY_PATH = FlyteContextManager.current_context().file_access.get_random_local_directory()

tests/flytekit/unit/types/structured_dataset/test_structured_dataset_workflow_with_nested_type.py

@@ -1,12 +1,12 @@
 from dataclasses import dataclass
 
-import pyarrow as pa
 import pytest
 from typing_extensions import Annotated
 
 from flytekit import FlyteContextManager, StructuredDataset, kwtypes, task, workflow
 
 pd = pytest.importorskip("pandas")
+pa = pytest.importorskip("pyarrow")
 
 PANDAS_PATH = FlyteContextManager.current_context().file_access.get_random_local_directory()
 NUMPY_PATH = FlyteContextManager.current_context().file_access.get_random_local_directory()