3 g @s>dZddlZddlZddlmZGdddeZd ddZdS) zO Utility functions for handling images. Requires Pillow as you might imagine. N)Filec@s0eZdZdZeddZeddZddZdS) ImageFilez A mixin for use alongside django.core.files.base.File, which provides additional features for dealing with images. cCs |jdS)Nr)_get_image_dimensions)selfrV/var/www/tester-filtro-web/env/lib/python3.6/site-packages/django/core/files/images.pywidthszImageFile.widthcCs |jdS)N)r)rrrrheightszImageFile.heightcCs,t|ds&|j}|jt||d|_|jS)N_dimensions_cache)close)hasattrclosedopenget_image_dimensionsr )rr rrrrs  zImageFile._get_image_dimensionsN)__name__ __module__ __qualname____doc__propertyrr rrrrrr s  rFc Csddlm}|j}t|dr6|}|j}|jdnt|d}d}zd}x|j|}|s\Py|j|Wn^t j k r}z|j dj drnWYdd}~Xn(t j k rYntk rYnX|jr|jjS|d 9}qLWd S|r|jn |j|XdS) 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)rreadrbTizError -5N)NN)ZPILrParserr tellseekrrfeedzliberrorargs startswithstruct RuntimeErrorimagesizer ) Z file_or_pathr ZPillowImageFilepfileZfile_pos chunk_sizedataerrrr!s>       r)F)rr!rZdjango.core.filesrrrrrrrs