Django / Python调整大小图像

Question

I have a image from

files = request.FILES['new_photo'].read()

and i want to know it's size and possibly resize it. How i can do it?

thanks.

UPD

before. i read() file and gave this string and some info? to SQL function. And she save it on ftp.

how i can get data same as the data returned from read() method?

i try to use Image.tostring()

and save it. But i have 0x0px image.

Answer 1

Here is a small snippet from one of my web applications (sightly modified), which creates a thumbnail with the maximum size of 200x200 pixels. Maybe you can use some parts of it:

from PIL import Image

image = request.FILES['new_photo']
if image:
    img = Image.open(image)
    img.save(path.join(app.config['UPLOAD_FOLDER'],
        secure_filename('upload-%d.jpg' % self.obj.id)), 'JPEG')
    img.thumbnail((200, 200), Image.ANTIALIAS)
    img.save(path.join(app.config['UPLOAD_FOLDER'],
        secure_filename('upload-%d.200.jpg' % self.obj.id)), 'JPEG')

Answer 2

you can use PIL for processing images . http://www.pythonware.com/products/pil/

Answer 3

If you would like to add "automated image processing" to your project, you might consider using Django-imagekit .

The author has included Installion and usage instructions on this Github Repo page .

Hope this helps you as I found it from the same search as I found this Question :)

Answer 4

用户可用的缩略图库之一，例如http://djangothumbnails.com/或更多http://code.djangoproject.com/wiki/ThumbNails