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o ;j� � @ sv d dl Z d dlZd dlmZ d dlmZmZ dZg d�Zddd�Z d e d e d ee de f fd d �Z dd� Z dd� ZdS )� N)� Generator)�b�nexti� )�read_in_chunks�exhaust_iterator�guess_file_mime_typeFc c s � |pt }z| j}|f}W n ty t}| f}Y nw td�}d}|r*t|�dkr�|sMzt||� �}t|�dkr>||7 }nd}W n tyL d}Y nw t|�dkr^|r\|r\td�V dS |ryt||d�E dH }|rx|d|� V ||d� }n|V td�}|r*t|�dks*dS dS )a: Return a generator which yields data in chunks. :param iterator: An object which implements an iterator interface or a File like object with read method. :type iterator: :class:`object` which implements iterator interface. :param chunk_size: Optional chunk size (defaults to CHUNK_SIZE) :type chunk_size: ``int`` :param fill_size: If True, make sure chunks are exactly chunk_size in length (except for last chunk). :type fill_size: ``bool`` :param yield_empty: If true and iterator returned no data, only yield empty bytes object :type yield_empty: ``bool`` TODO: At some point in the future we could use byte arrays here if version >= Python 3. This should speed things up a bit and reduce memory usage. � Fr TN)�data� chunk_size)� CHUNK_SIZE�read�AttributeErrorr r �len� StopIteration� _optimized_chunked_generator) �iteratorr Z fill_sizeZ yield_empty�get_data�argsr �empty�chunk� r �H/opt/saltstack/salt/lib/python3.10/site-packages/libcloud/utils/files.pyr sF � � � � ��r r r �returnc c sP � d}|| t | �k r | ||| � V ||7 }|| t | �k s | |d � } | S )Nr )r )r r Z chunk_startr r r r Y s �� r c C s� t d�}zt t| ��}W n ty t d�}Y nw t|�dkr@||7 }zt t| ��}W n ty9 t d�}Y nw t|�dks |S )aM Exhaust an iterator and return all data returned by it. :type iterator: :class:`object` which implements iterator interface. :param iterator: An object which implements an iterator interface or a File like object with read method. :rtype ``str`` :return Data returned by the iterator. r r )r r r r )r r r r r r r e s � � �r c C s" t j�| �}t�|�\}}||fS )N)�os�path�basename� mimetypesZ guess_type)Z file_path�filenameZmimetype�encodingr r r r � s r )NFF)r r �typingr Zlibcloud.utils.py3r r r �__all__r �bytes�intr r r r r r r �<module> s >
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