U f/e@sdZddlmZddlmZmZddlmZddlm Z ddl m Z m Z m Z ddlmZddlmZe ejd d de eeed d dZe ejd d deedddZd S)z feather-format compat )AnyStr)FilePathOrBufferStorageOptions)import_optional_dependency)doc) DataFrame Int64Index RangeIndex)generic) get_handlestorage_options)r N)dfpathr c Kstdddlm}t|ts&tdddh}t|jttfsXt |j}td|d|j t t t |sztd |jjd k rtd |jj|krtd t|d |dd}|j||jf|W5QRXd S)aK Write a DataFrame to the binary Feather format. Parameters ---------- df : DataFrame path : string file path, or file-like object {storage_options} .. versionadded:: 1.2.0 **kwargs : Additional keywords passed to `pyarrow.feather.write_feather`. .. versionadded:: 1.1.0 pyarrowrfeatherz'feather only support IO with DataFramesstringunicodez%feather does not support serializing zG for the index; you can .reset_index() to make the index into column(s)zfeather does not support serializing a non-default index for the index; you can .reset_index() to make the index into column(s)Nz=feather does not serialize index meta-data on a default indexz%feather must have string column nameswbFr Zis_text)rrr isinstancer ValueErrorindexrr typeequalsZ from_rangerangelennamecolumnsZ inferred_typer Z write_featherhandle)r rr kwargsrZ valid_typestyphandlesr#s,     C