rpizerocam.py

#!/usr/bin/env python3
# for https://twitter.com/utopiah/status/1449023602079240194

import http.server
import socketserver
import subprocess

PORT = 80
Handler = http.server.SimpleHTTPRequestHandler

class GetHandler(Handler):
    def do_GET(self):
        if self.path == "/photo/":
            self.wfile.write("HTTP/1.1 200 OK\n\ntaking photo ... then go to <a href='/camera.jpg'>/camera.jpg</a> in a second".encode())
            self.send_response(200)
            subprocess.Popen(["raspistill", "-o", "camera.jpg"]).wait()
        else:
            Handler.do_GET(self)

with socketserver.TCPServer(("", PORT), GetHandler) as httpd:
    print("serving at port", PORT)
    httpd.serve_forever()