whisper.cpp/examples/server.py

121 lines
4.5 KiB
Python

import http.server
import socketserver
import os
import sys
from pathlib import Path
import urllib.parse
SCRIPT_DIR = Path(__file__).parent.absolute()
DIRECTORY = os.path.join(SCRIPT_DIR, "../build-em/bin")
DIRECTORY = os.path.abspath(DIRECTORY)
# The context root we want for all applications
CONTEXT_ROOT = "/whisper.cpp"
class CustomHTTPRequestHandler(http.server.SimpleHTTPRequestHandler):
def __init__(self, *args, **kwargs):
super().__init__(*args, directory=DIRECTORY, **kwargs)
def do_GET(self):
# Redirect root to the context root
if self.path == '/':
self.send_response(302)
self.send_header('Location', CONTEXT_ROOT + '/')
self.end_headers()
return
# Handle requests under the context root
if self.path.startswith(CONTEXT_ROOT):
# Remove the context root prefix to get the actual path
actual_path = self.path[len(CONTEXT_ROOT):]
if not actual_path:
self.send_response(302)
self.send_header('Location', CONTEXT_ROOT + '/')
self.end_headers()
return
if '.worker.js' in actual_path:
worker_file = os.path.basename(actual_path)
worker_path = os.path.join(DIRECTORY, worker_file)
if os.path.exists(worker_path):
print(f"Found worker file: {worker_path}")
self.path = '/' + worker_file
else:
print(f"Worker file not found: {worker_path}")
elif actual_path == '/':
self.path = '/whisper.wasm/index.html'
elif any(actual_path.startswith(prefix) for prefix in (
'/bench.wasm/',
'/command.wasm/',
'/stream.wasm/',
'/wchess.wasm/'
)):
# Keep the path as is, just remove the context root
self.path = actual_path
# For all other paths under the context root
else:
# Check if this is a request to a file in whisper.wasm
potential_file = os.path.join(DIRECTORY, 'whisper.wasm', actual_path.lstrip('/'))
if os.path.exists(potential_file) and not os.path.isdir(potential_file):
self.path = '/whisper.wasm' + actual_path
else:
# Try to resolve the file from the base directory
potential_file = os.path.join(DIRECTORY, actual_path.lstrip('/'))
if os.path.exists(potential_file):
self.path = actual_path
# For direct requests to worker files (without context root as these
# are in the build-em/bin directory
elif '.worker.js' in self.path:
worker_file = os.path.basename(self.path)
worker_path = os.path.join(DIRECTORY, worker_file)
if os.path.exists(worker_path):
self.path = '/' + worker_file
# Handle coi-serviceworker.js separately
if 'coi-serviceworker.js' in self.path:
worker_file = "coi-serviceworker.js"
worker_path = os.path.join(SCRIPT_DIR, worker_file)
if os.path.exists(worker_path):
self.send_response(200)
self.send_header('Content-type', 'application/javascript')
self.end_headers()
with open(worker_path, 'rb') as file:
self.wfile.write(file.read())
return
else:
print(f"Warning: Could not find {worker_path}")
return super().do_GET()
def end_headers(self):
# Add required headers for SharedArrayBuffer
self.send_header("Cross-Origin-Opener-Policy", "same-origin")
self.send_header("Cross-Origin-Embedder-Policy", "require-corp")
self.send_header("Access-Control-Allow-Origin", "*")
super().end_headers()
PORT = 8000
# Enable address reuse
class CustomServer(socketserver.TCPServer):
allow_reuse_address = True
try:
with CustomServer(("", PORT), CustomHTTPRequestHandler) as httpd:
print(f"Serving directory '{DIRECTORY}' at http://localhost:{PORT}")
print(f"Application context root: http://localhost:{PORT}{CONTEXT_ROOT}/")
try:
httpd.serve_forever()
except KeyboardInterrupt:
print("\nServer stopped.")
# Force complete exit
sys.exit(0)
except OSError as e:
print(f"Error: {e}")
sys.exit(1)