extsum finds the ID of a Picsum photo. For example,
to obtain a random 200x300 photo, one can make a GET request to
https://picsum.photos/200/300. The server will then redirect your request to the
location of a random photo. If that photo happened to be, say 42, you'll get
redirected to https://i.picsum.photos/id/42/200/300.jpg. The Location response
header of your GET request will contain this information.
However, there is also another (less straightforward) way to obtain the ID of
your photo: from its metadata. And this is exactly what extsum does.
$ git clone https://github.com/streof/extsum
$ cd extsum
# Regular install
$ pip install .
# Developer install
$ pip install -e '.[dev]'
# Get started
$ python extsum
Found ID 42
# Run tests (only developer install)
pytest -v