Almost as easy to go the other way too, pop in a POST handler for the BaseHTTPServer that accepts multipart/form-data, and craft an HTML page with a file input box.
Please do NOT expose to the Internet - there's a good reason NGiNX and Apache are popular and safe!
[edited to add] You can frequently find your laptop or other local devices are registered in your network with a name like: device.local or device.lan
This is for mobile to laptop. Provides a simple web UI.
Oh, this is almost diabolical in it's greatness! I never really think about getting files from my mobile, since I'm mostly always using google drive.
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