mirror of
https://github.com/protomaps/PMTiles.git
synced 2026-02-04 19:01:08 +00:00
72 lines
2.5 KiB
Python
Executable File
72 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import http.server
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import json
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import re
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from socketserver import ThreadingMixIn
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import sys
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from pmtiles.reader import Reader, MmapSource
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# https://docs.python.org/3/library/http.server.html
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class ThreadingSimpleServer(ThreadingMixIn, http.server.HTTPServer):
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pass
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parser = argparse.ArgumentParser(description="HTTP server for PMTiles archives.")
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parser.add_argument("pmtiles_file", help="PMTiles archive to serve")
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parser.add_argument("port", help="Port to bind to")
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parser.add_argument("--bind", help="Address to bind server to: default localhost")
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parser.add_argument(
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"--cors-allow-all",
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help="Return Access-Control-Allow-Origin:* header",
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action="store_true",
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)
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args = parser.parse_args()
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with open(args.pmtiles_file, "r+b") as f:
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source = MmapSource(f)
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reader = Reader(source)
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fmt = reader.header().metadata["format"]
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class Handler(http.server.SimpleHTTPRequestHandler):
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def do_GET(self):
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if self.path == "/metadata":
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self.send_response(200)
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if args.cors_allow_all:
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self.send_header("Access-Control-Allow-Origin", "*")
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self.end_headers()
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self.wfile.write(json.dumps(reader.header().metadata).encode("utf-8"))
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return
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match = re.match("/(\d+)/(\d+)/(\d+)." + fmt, self.path)
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if not match:
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self.send_response(400)
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self.end_headers()
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self.wfile.write("bad request".encode("utf-8"))
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return
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z = int(match.group(1))
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x = int(match.group(2))
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y = int(match.group(3))
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data = reader.get(z, x, y)
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if not data:
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self.send_response(404)
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self.end_headers()
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self.wfile.write("tile not found".encode("utf-8"))
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return
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self.send_response(200)
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if args.cors_allow_all:
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self.send_header("Access-Control-Allow-Origin", "*")
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if fmt == "pbf":
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self.send_header("Content-Type", "application/x-protobuf")
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else:
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self.send_header("Content-Type", "image/" + fmt)
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self.end_headers()
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self.wfile.write(data)
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bind = args.bind or "localhost"
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print(f"serving {bind}:{args.port}/{{z}}/{{x}}/{{y}}.{fmt}, for development only")
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httpd = ThreadingSimpleServer((args.bind or "", int(args.port)), Handler)
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httpd.serve_forever()
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