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Allow parquet import to be None #36202

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Merged
damccorm merged 1 commit into from
Sep 19, 2025
Merged

Allow parquet import to be None #36202

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8 changes: 5 additions & 3 deletions sdks/python/apache_beam/io/parquetio.py
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Original file line number Diff line number Diff line change
Expand Up @@ -52,11 +52,13 @@

try:
import pyarrow as pa
paTable = pa.Table
import pyarrow.parquet as pq
# pylint: disable=ungrouped-imports
from apache_beam.typehints import arrow_type_compatibility
except ImportError:
pa = None
paTable = None
pq = None
ARROW_MAJOR_VERSION = None
arrow_type_compatibility = None
Expand Down Expand Up @@ -176,7 +178,7 @@ def __init__(self, beam_type):
self._beam_type = beam_type

@DoFn.yields_batches
def process(self, element) -> Iterator[pa.Table]:
def process(self, element) -> Iterator[paTable]:
yield element

def infer_output_type(self, input_type):
Expand All @@ -185,7 +187,7 @@ def infer_output_type(self, input_type):

class _BeamRowsToArrowTable(DoFn):
@DoFn.yields_elements
def process_batch(self, element: pa.Table) -> Iterator[pa.Table]:
def process_batch(self, element: paTable) -> Iterator[paTable]:
yield element


Expand Down Expand Up @@ -845,7 +847,7 @@ def open(self, temp_path):
use_deprecated_int96_timestamps=self._use_deprecated_int96_timestamps,
use_compliant_nested_type=self._use_compliant_nested_type)

def write_record(self, writer, table: pa.Table):
def write_record(self, writer, table: paTable):
writer.write_table(table)

def close(self, writer):
Expand Down
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