pandas.DataFrame.to_parquet

DataFrame.to_parquet(fname, engine='auto', compression='snappy', **kwargs) [source]

Write a DataFrame to the binary parquet format.

New in version 0.21.0.

Parameters:	fname : str string file path engine : {‘auto’, ‘pyarrow’, ‘fastparquet’}, default ‘auto’ Parquet reader library to use. If ‘auto’, then the option ‘io.parquet.engine’ is used. If ‘auto’, then the first library to be installed is used. compression : str, optional, default ‘snappy’ compression method, includes {‘gzip’, ‘snappy’, ‘brotli’} kwargs Additional keyword arguments passed to the engine