Video Conversion in Python on Google App Engine

I am using Google App Engine to host a website where I want users to be able to upload any video and then I want to use flowplayer to display it, which requires MP4 and webm formats to support all browsers. I have it working correctly where a user uploads a video and then I can serve it but I need to convert it into those two formats so that I everyone can view the video.

Is there any Python project I can import to do the conversion on App Engine or any resources showing how I can do it with something like Google Compute Engine? I need it to be done automatically on the server and most projects that look stable for this in python are written to by done by command line on a personal computer.

Source: http://stackoverflow.com/questions/17779845/video-conversion-in-python-on-google-app-engine

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