使用 python 和 PIL 裁剪并保存上传的图像

Question

i am having a problem crop the uploaded image and save it. I am using Cherrypy.

 @cherrypy.expose
 def uploadphoto(self, **data):
    photo = data['photo']
    original_image = Image.open(StringIO(photo.file)) //error happen here
    box = (0, 0, 100, 100)
    cropped_image = photo.crop(original_image)
    path = 'uploads/myphoto.jpg'
    cropped_image.save(path, 'JPEG');

here is the form:

    <form id="form" action="uploadphoto" method="post" enctype="multipart/form-data">
        <input type='file' name="photo"/>
        <input type="submit" value="save" />
    </form>

is there anything wrong? i am new to python, please help me out.

Answer 1

Look at the "Posting an Edited Photo (This example resizes a photo)" heading on this page.

shouldn't you include .size in the crop line?

like this:

    cropped_image = photo.crop(original_image.size)

Answer 2

尝试通过以下方式将文件指针重置为文件开头：

photo.file.seek(0)