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B �5�g� � @ s� d Z ddlmZ ddlmZmZ ddlmZ ddlm Z ddl m Z m Z m Z ddlmZ ddlmZ e ejd d �de ee ed �d d��Ze ejd d �deed�dd��Zd S )z feather-format compat � )�AnyStr)�FilePathOrBuffer�StorageOptions)�import_optional_dependency)�doc)� DataFrame� Int64Index� RangeIndex)�generic)� get_handle�storage_options)r N)�df�pathr c K s� t d� ddlm} t| t�s&td��ddh}t| jttf�sXt | j�}td|� d���| j� t� t t | ����sztd ��| jjd k r�td ��| jj|kr�td ��t|d |dd��}|j| |jf|� W d Q R X d 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 �pyarrowr )�featherz'feather only support IO with DataFrames�string�unicodez%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 names�wbF)r �is_text)r r r � isinstancer � ValueError�indexr r �type�equalsZ from_range�range�len�name�columnsZ inferred_typer Z write_feather�handle)r r r �kwargsr Z valid_types�typ�handles� r" �N/home/digitalm-up/venv/lib/python3.7/site-packages/pandas/io/feather_format.py� to_feather s* r$ T)� use_threadsr c C sF t d� ddlm} t| d|dd��}|j|j|t|�d�S Q R X dS ) a� Load a feather-format object from the file path. Parameters ---------- path : str, path object or file-like object Any valid string path is acceptable. 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``. If you want to pass in a path object, pandas accepts any ``os.PathLike``. By file-like object, we refer to objects with a ``read()`` method, such as a file handle (e.g. via builtin ``open`` function) or ``StringIO``. 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 �rbF)r r )r r% N)r r r r � read_featherr �bool)r r r% r r r! r" r" r# r' Z s ! r' )N)NTN)�__doc__�typingr Zpandas._typingr r Zpandas.compat._optionalr Zpandas.util._decoratorsr Zpandasr r r Z pandas.corer Zpandas.io.commonr Z _shared_docsr$ r( r' r" r" r" r# �<module> s @
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