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    :Zœc	
  ã                   @   s>   d Z ddlZddlZddlmZ G dd„ deƒZd	dd„ZdS )
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Utility functions for handling images.

Requires Pillow as you might imagine.
é    N)ÚFilec                   @   s0   e Zd ZdZedd„ ƒZedd„ ƒZdd„ ZdS )	Ú	ImageFilez€
    A mixin for use alongside django.core.files.base.File, which provides
    additional features for dealing with images.
    c                 C   ó   |   ¡ d S )Nr   ©Ú_get_image_dimensions©Úself© r	   úN/var/www/chikooza/env/lib/python3.10/site-packages/django/core/files/images.pyÚwidth   ó   zImageFile.widthc                 C   r   )Né   r   r   r	   r	   r
   Úheight   r   zImageFile.heightc                 C   s,   t | dƒs| j}|  ¡  t| |d| _| jS )NÚ_dimensions_cache)Úclose)ÚhasattrÚclosedÚopenÚget_image_dimensionsr   )r   r   r	   r	   r
   r      s
   
zImageFile._get_image_dimensionsN)Ú__name__Ú
__module__Ú__qualname__Ú__doc__Úpropertyr   r   r   r	   r	   r	   r
   r      s    

r   Fc           	   
   C   s4  ddl m} | ¡ }t| dƒr| }| ¡ }| d¡ nt| dƒ}d}zjd}	 | |¡}|s.nOz| |¡ W n. t	j
yR } z|jd  d¡rGn‚ W Y d	}~nd	}~w tj
y[   Y n	 tyc   Y nw |jrx|jjW |rr| ¡  S | |¡ S |d
9 }q&W |r†| ¡  dS | |¡ dS |r”| ¡  w | |¡ w )z®
    Return the (width, height) of an image, given an open file or a path.  Set
    'close' to True to close the file at the end if it is initially in an open
    state.
    r   )r   ÚreadÚrbTi   r   zError -5Né   )NN)ÚPILr   ÚParserr   ÚtellÚseekr   r   ÚfeedÚzlibÚerrorÚargsÚ
startswithÚstructÚRuntimeErrorÚimageÚsizer   )	Úfile_or_pathr   ÚPillowImageFileÚpÚfileÚfile_posÚ
chunk_sizeÚdataÚer	   r	   r
   r   !   sR   


þ€ý
úèý
r   )F)r   r&   r"   Údjango.core.filesr   r   r   r	   r	   r	   r
   Ú<module>   s    