You're absolutely right, if someone could figure that out it'd be huge for DW. I think it'd be the first non-LJ codebase site that could be imported, and in the parts of Tumblr I hang out in there's a huge audience overlap with DW. I actually came up with a manual method to import from Tumblr to LJ, but it relies on LJ's repost function.
On the technical side the importer wouldn't have to worry about followers/followed, because on Tumblr those relationships hold no special privileges anyway. And Tumblr lets people rename freely, with the caveat that links inside of posts can break at any time, so the importer wouldn't need to worry about re-writing username references. I think the only difficulty might be in tags - the way they're used on Tumblr, some people might hit a few thousand tags inside of a week, and there's no way all those tags could be imported to DW.
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branchandroot
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Date: 2013-05-20 01:14 pm (UTC)On the technical side the importer wouldn't have to worry about followers/followed, because on Tumblr those relationships hold no special privileges anyway. And Tumblr lets people rename freely, with the caveat that links inside of posts can break at any time, so the importer wouldn't need to worry about re-writing username references. I think the only difficulty might be in tags - the way they're used on Tumblr, some people might hit a few thousand tags inside of a week, and there's no way all those tags could be imported to DW.