在python中，模块对图像格式提供了支持
该模块主要是处理识别图像的格式
模块提供的函数如下：
imghdr.what(filename,h= Tests the image data contained the file named by filename, returns a string describing the image type. If optional h provIDed,t he filename ignored h assumed to contain the byte stream to test. A List of functions performing the indivIDual tests. Each function takes two arguments: the byte-stream an open file-like object. When what() called with a byte-stream,the file- The test function should a string describing the image type the test succeeded, None it Failed.| img_PATH = = [ ( img_PATH = img_ext = ( == main() |
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