How do I set my avatar in Twitter programmatically?

I want to write a program that would set my twitter avatar to a random picture in a folder. I know ho开发者_JS百科w to pick out random files, but how do I make them upload to twitter?

Thanks.

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You would need to use Twitter's REST API service. There is one service in particular that will help you: POST account/update_profile_image.

Note that the API is expecting multipart form data, not a URL.