server.py

# Copyright 2024 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
""" Pastra Tutorial Web Server"""
from http.server import HTTPServer, SimpleHTTPRequestHandler
import os

class CORSRequestHandler(SimpleHTTPRequestHandler):
    def end_headers(self):
        self.send_header('Access-Control-Allow-Origin', '*')
        self.send_header('Access-Control-Allow-Methods', 'GET')
        self.send_header('Cache-Control', 'no-store, no-cache, must-revalidate')
        return super().end_headers()

    def do_OPTIONS(self):
        self.send_response(200)
        self.end_headers()

    def list_directory(self, path):
        # Enable directory listing
        return super().list_directory(path)

if __name__ == '__main__':
    # Change to the directory containing this script
    os.chdir(os.path.dirname(os.path.abspath(__file__)))
    
    port = 8000
    print(f"Starting server at http://localhost:{port}")
    
    httpd = HTTPServer(('localhost', port), CORSRequestHandler)
    httpd.serve_forever()