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B �5�g � @ s� d Z ddlmZ ddlmZmZ ddlmZmZm Z ddl m Z ddl m Z er\ddlmZ G dd � d ed �Ze dd d dd ddd d�dd��Ze d d d dd dddd�dd��Zd d d dd dddd�dd�ZdS ) z# Read SAS sas7bdat or xport files. � )� annotations)�ABCMeta�abstractmethod)� TYPE_CHECKING�Hashable�overload)�FilePathOrBuffer)�stringify_path)� DataFramec @ s: e Zd ZdZed dd��Zedd� �Zdd� Zd d � ZdS ) � ReaderBasez> Protocol for XportReader and SAS7BDATReader classes. Nc C s d S )N� )�selfZnrowsr r �M/home/digitalm-up/venv/lib/python3.7/site-packages/pandas/io/sas/sasreader.py�read s zReaderBase.readc C s d S )Nr )r r r r �close" s zReaderBase.closec C s | S )Nr )r r r r � __enter__& s zReaderBase.__enter__c C s | � � d S )N)r )r �exc_type� exc_value� tracebackr r r �__exit__) s zReaderBase.__exit__)N) �__name__� __module__� __qualname__�__doc__r r r r r r r r r r s r )� metaclass.r z str | NonezHashable | None�int�bool)�filepath_or_buffer�format�index�encoding� chunksize�iterator�returnc C s d S )Nr )r r r r r! r" r r r �read_sas- s r$ �NonezDataFrame | ReaderBasec C s d S )Nr )r r r r r! r" r r r r$ 9 s NFz int | Nonec C s� |dkrVd}t | �} t| t�s&t|��| �� }|�d�r>d}n|�d�rNd}ntd��|�� dkr�dd lm} || |||d �} n2|�� dkr�dd lm } | | |||d �} ntd ��|s�|r�| S | � | � � S Q R X dS ) a) Read SAS files stored as either XPORT or SAS7BDAT format files. Parameters ---------- filepath_or_buffer : 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.sas``. 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``. format : str {'xport', 'sas7bdat'} or None If None, file format is inferred from file extension. If 'xport' or 'sas7bdat', uses the corresponding format. index : identifier of index column, defaults to None Identifier of column that should be used as index of the DataFrame. encoding : str, default is None Encoding for text data. If None, text data are stored as raw bytes. chunksize : int Read file `chunksize` lines at a time, returns iterator. .. versionchanged:: 1.2 ``TextFileReader`` is a context manager. iterator : bool, defaults to False If True, returns an iterator for reading the file incrementally. .. versionchanged:: 1.2 ``TextFileReader`` is a context manager. Returns ------- DataFrame if iterator=False and chunksize=None, else SAS7BDATReader or XportReader NzVIf this is a buffer object rather than a string name, you must specify a format stringz.xptZxportz .sas7bdatZsas7bdatz"unable to infer format of SAS filer )� XportReader)r r r! )�SAS7BDATReaderzunknown SAS format) r � isinstance�str� ValueError�lower�endswithZpandas.io.sas.sas_xportr& Zpandas.io.sas.sas7bdatr' r ) r r r r r! r" Zbuffer_error_msg�fnamer& �readerr' r r r r$ E s< 2 ).....).....)NNNNF)r � __future__r �abcr r �typingr r r Zpandas._typingr Zpandas.io.commonr Zpandasr r r$ r r r r �<module> s2
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