î ªÍX| ã@sWdZddlZddlZddlmZGdd„deƒZddd„ZdS) zO Utility functions for handling images. Requires Pillow as you might imagine. éN)ÚFilec@sReZdZdZdd„ZeeƒZdd„ZeeƒZdd„Z dS) Ú ImageFilez€ A mixin for use alongside django.core.files.base.File, which provides additional features for dealing with images. cCs|jƒdS)Nr)Ú_get_image_dimensions)Úself©rúF/home/ubuntu/projects/ifolica/build/django/django/core/files/images.pyÚ _get_widthszImageFile._get_widthcCs|jƒdS)Né)r)rrrrÚ _get_heightszImageFile._get_heightcCsAt|dƒs:|j}|jƒt|d|ƒ|_n|jS)NÚ_dimensions_cacheÚclose)ÚhasattrÚclosedÚopenÚget_image_dimensionsr )rr rrrrs   zImageFile._get_image_dimensionsN) Ú__name__Ú __module__Ú __qualname__Ú__doc__rÚpropertyÚwidthr Úheightrrrrrr s     rFc CsAddlm}|jƒ}t|dƒrM|}|jƒ}|jdƒnt|dƒ}d}z·d}x¦|j|ƒ}|s‡Pny|j|ƒWnXt j k rÞ}z!|j dj dƒrÉn‚WYdd}~Xnt j k ròYnX|jr|jjS|d 9}qnWd SWd|r/|jƒn |j|ƒXdS) z¯ Returns 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)rÚreadÚrbTizError -5Né)NN)ZPILrÚParserr ÚtellÚseekrrÚfeedÚzlibÚerrorÚargsÚ startswithÚstructÚimageÚsizer ) Z file_or_pathr ZPillowImageFileÚpÚfileZfile_posÚ chunk_sizeÚdataÚerrrr!s:     r)rr#rZdjango.core.filesrrrrrrrÚs