[Python] Python backend and html/ajax front end, need suggestions for my application

I have written a python script that extracts data from flickr site, and dump as a python class object and YAML file.

I was planning to turn this into a website:

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  and a simple html front page that can send a request to the backend, triggers the python scripts running on the backend
  
  
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  the response will be parsed and render as a table on the html page.
  

Are there any suggestions for building this application? Any framework or technologies i should use? For example, i guess i should use ajax in the front end, how about the backend?

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