| import json |
| from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer |
| from threading import Thread |
|
|
| from modules import shared |
| from modules.text_generation import encode, generate_reply |
|
|
| from extensions.api.util import build_parameters, try_start_cloudflared |
|
|
|
|
| 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') |
|
|
| generator = generate_reply( |
| prompt, generate_params, stopping_strings=stopping_strings) |
|
|
| answer = '' |
| for a in generator: |
| if isinstance(a, str): |
| answer = a |
| else: |
| answer = a[0] |
|
|
| response = json.dumps({ |
| 'results': [{ |
| 'text': answer if shared.is_chat() else answer[len(prompt):] |
| }] |
| }) |
| 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() |
|
|
