__init__.py 文件源码

def get_img_extension_alternative_naming(extension):
    "Return extensions naming for PIL and Mime/type"
    web_extension = None
    pil_extension_codename  = None

    if extension.lower() == ".jpg" or extension.lower() == ".jpeg":
        pil_extension_codename = "JPEG"
        web_extension = "image/jpeg"

    elif extension.lower() == ".png":
        pil_extension_codename = "PNG"
        web_extension = "image/png"

    elif extension.lower() == ".gif":
        pil_extension_codename = "GIF"
        web_extension = "image/gif"

    elif extension.lower() == ".webp":
        pil_extension_codename = "WEBP"
        web_extension = "image/webp"

    return [pil_extension_codename, web_extension]


### colored output ###