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| import json | |
| from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer | |
| from threading import Thread | |
| from extensions.api.util import build_parameters, try_start_cloudflared | |
| from modules import shared | |
| from modules.text_generation import encode, generate_reply | |
| class Handler(BaseHTTPRequestHandler): | |
| def do_GET(self): | |
| if self.path == '/api/v1/model': | |
| self.send_response(200) | |
| self.end_headers() | |
| response = json.dumps({ | |
| 'result': shared.model_name | |
| }) | |
| self.wfile.write(response.encode('utf-8')) | |
| else: | |
| self.send_error(404) | |
| def do_POST(self): | |
| content_length = int(self.headers['Content-Length']) | |
| body = json.loads(self.rfile.read(content_length).decode('utf-8')) | |
| if self.path == '/api/v1/generate': | |
| self.send_response(200) | |
| self.send_header('Content-Type', 'application/json') | |
| self.end_headers() | |
| prompt = body['prompt'] | |
| generate_params = build_parameters(body) | |
| stopping_strings = generate_params.pop('stopping_strings') | |
| generate_params['stream'] = False | |
| generator = generate_reply( | |
| prompt, generate_params, stopping_strings=stopping_strings, is_chat=False) | |
| answer = '' | |
| for a in generator: | |
| answer = a | |
| response = json.dumps({ | |
| 'results': [{ | |
| 'text': answer | |
| }] | |
| }) | |
| self.wfile.write(response.encode('utf-8')) | |
| elif self.path == '/api/v1/token-count': | |
| self.send_response(200) | |
| self.send_header('Content-Type', 'application/json') | |
| self.end_headers() | |
| tokens = encode(body['prompt'])[0] | |
| response = json.dumps({ | |
| 'results': [{ | |
| 'tokens': len(tokens) | |
| }] | |
| }) | |
| self.wfile.write(response.encode('utf-8')) | |
| else: | |
| self.send_error(404) | |
| def _run_server(port: int, share: bool = False): | |
| address = '0.0.0.0' if shared.args.listen else '127.0.0.1' | |
| server = ThreadingHTTPServer((address, port), Handler) | |
| def on_start(public_url: str): | |
| print(f'Starting non-streaming server at public url {public_url}/api') | |
| if share: | |
| try: | |
| try_start_cloudflared(port, max_attempts=3, on_start=on_start) | |
| except Exception: | |
| pass | |
| else: | |
| print( | |
| f'Starting API at http://{address}:{port}/api') | |
| server.serve_forever() | |
| def start_server(port: int, share: bool = False): | |
| Thread(target=_run_server, args=[port, share], daemon=True).start() | |