Supose the server is named troy or have the IP 192.168.0.2
Save this folder in the server you want to upload a file to.
Then, cd to that folder and excecute the site with:
python uploadhere.py
Then, from the machine where your files are, visit one of the following page:
http://troy:8080http://192.168.0.2:8080
And upload a file with the form.
The file will be in the folder containing this site.