37 lines
1.5 KiB
Python
37 lines
1.5 KiB
Python
"""Tiny threaded HTTP server for the three.js demos that fetch local files.
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Why a sibling helper script instead of `python -m http.server`?
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The stdlib SimpleHTTPServer is single-threaded; Chrome opens many parallel
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connections (HTML + 9 script tags + FBX), the first eats the worker, the
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rest time out with net::ERR_EMPTY_RESPONSE. ThreadingHTTPServer fixes it.
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Usage:
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cd <repo root>
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python examples/three.js/serve-demo.py
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open http://localhost:8765/examples/three.js/helpers-skinned-fbx.html
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"""
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from http.server import ThreadingHTTPServer, SimpleHTTPRequestHandler
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import os, sys
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PORT = int(os.environ.get("PORT", 8765))
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# always serve from the repo root regardless of where the script is launched
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os.chdir(os.path.abspath(os.path.join(os.path.dirname(__file__), "..", "..")))
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class NoCacheHandler(SimpleHTTPRequestHandler):
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def end_headers(self):
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# Aggressive no-cache so browser ALWAYS fetches the latest .html
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# after we edit it. Otherwise stale code sticks around even on hard
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# refresh and you debug a phantom.
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self.send_header("Cache-Control", "no-store, no-cache, must-revalidate, max-age=0")
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self.send_header("Pragma", "no-cache")
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self.send_header("Expires", "0")
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super().end_headers()
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with ThreadingHTTPServer(("127.0.0.1", PORT), NoCacheHandler) as srv:
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print(f"serving {os.getcwd()} on http://127.0.0.1:{PORT}/")
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print(f"demo: http://127.0.0.1:{PORT}/examples/three.js/helpers-skinned-fbx.html")
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try:
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srv.serve_forever()
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except KeyboardInterrupt:
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sys.exit(0)
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