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ENH: read parquet files in chunks using to_parquet and chunksize #58544

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ENH: read parquet files in chunks using to_parquet and chunksize #58544

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8 changes: 8 additions & 0 deletions pandas/_typing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -327,6 +327,11 @@ def __iter__(self) -> Iterator[AnyStr_co]:
# for engine=python
...

class ReadParquetBuffer(ReadBuffer[AnyStr_co], Protocol):
def __iter__(self) -> Iterator[AnyStr_co]:
# for engine=python
...

def fileno(self) -> int:
# for _MMapWrapper
...
Expand Down Expand Up @@ -419,6 +424,9 @@ def closed(self) -> bool:
# read_csv engines
CSVEngine = Literal["c", "python", "pyarrow", "python-fwf"]

# read_parquet engines
ParquetEngine = Literal["pyarrow", "fastparquet"]

# read_json engines
JSONEngine = Literal["ujson", "pyarrow"]

Expand Down