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 ddlmZ ddlmZ ddlmZmZmZ ddlmZ dd	lmZ eed
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 d�ddddddœdd„ƒZdS )z feather-format compat é    )Úannotations)ÚHashableÚSequence)ÚFilePathÚ
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get_handleÚstorage_options)r   Nr   zFilePath | WriteBuffer[bytes]r   ÚNone)ÚdfÚpathr   Úreturnc              	   K  sÔ   t dƒ ddlm} t| tƒs&tdƒ‚ddh}t| jttfƒsXt	| jƒ}td|› d�ƒ‚| j 
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    Write a DataFrame to the binary Feather format.

    Parameters
    ----------
    df : DataFrame
    path : str, path object, or file-like object
    {storage_options}

        .. versionadded:: 1.2.0

    **kwargs :
        Additional keywords passed to `pyarrow.feather.write_feather`.

        .. versionadded:: 1.1.0
    Úpyarrowr   ©Úfeatherz'feather only support IO with DataFramesÚstringÚunicodez%feather does not support serializing zG for the index; you can .reset_index() to make the index into column(s)zfeather 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 namesÚwbF©r   Zis_text)r	   r   r   Ú
isinstancer   Ú
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to_feather   s8    


ÿÿÿ   ÿr+   TzFilePath | ReadBuffer[bytes]zSequence[Hashable] | NoneÚbool)r   r$   Úuse_threadsr   c              
   C  sR   t dƒ ddlm} t| d|dd��$}|j|j|t|ƒd�W  5 Q R £ S Q R X dS )	a   
    Load a feather-format object from the file path.

    Parameters
    ----------
    path : str, path object, or file-like object
        String, path object (implementing ``os.PathLike[str]``), or file-like
        object implementing a binary ``read()`` function. The string could be a URL.
        Valid URL schemes include http, ftp, s3, and file. For file URLs, a host is
        expected. A local file could be: ``file://localhost/path/to/table.feather``.
    columns : sequence, default None
        If not provided, all columns are read.
    use_threads : bool, default True
        Whether to parallelize reading using multiple threads.
    {storage_options}

        .. versionadded:: 1.2.0

    Returns
    -------
    type of object stored in file
    r   r   r   ÚrbFr   )r$   r-   N)r	   r   r   r   Úread_featherr%   r,   )r   r$   r-   r   r   r(   r)   r)   r*   r/   `   s       ÿ  ÿr/   )N)NTN)Ú__doc__Ú
__future__r   Útypingr   r   Zpandas._typingr   r   r   r   Zpandas.compat._optionalr	   Zpandas.util._decoratorsr
   Zpandas.core.apir   r   r   Zpandas.core.shared_docsr   Zpandas.io.commonr   r+   r/   r)   r)   r)   r*   Ú<module>   s     ýC   ü