Opening an Image From a URL with pgmagick

Question

In pgmagick, you initialize an image like this:

Image('my_image.png')

I will be operating on files stored remotely on S3 and would rather not temporarily store them on disk. Is there any way to open an image file from a URL instead? When I try to simply replace the file name with the URL, I get an error: Unable to open file.

I'd like to be able to use a URL. If anyone has any suggestions on that or how to extend pgmagick to achieve it, I'd be elated.

Answer 1

The easiest way (in my mind) is to use the awesome requests library. You can fetch each image from the server one at a time, then open it with Image():

from StringIO import StringIO
import requests
from pgmagick import Image, Blob

r = requests.get('https://server.com/path/to/image1.png', auth=('user', 'pass'))
img = Image(Blob(StringIO(r.content)))

And that's all there is to it. Authentication is of course not required, but may be necessary depending on your S3 setup. Have fun!