mirror of
https://github.com/oobabooga/text-generation-webui.git
synced 2024-10-01 01:26:03 -04:00
94 lines
3.0 KiB
Python
94 lines
3.0 KiB
Python
from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
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from threading import Thread
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from modules import shared
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from modules.text_generation import generate_reply, encode
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import json
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params = {
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'port': 5000,
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}
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server = None
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class Handler(BaseHTTPRequestHandler):
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def do_GET(self):
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if self.path == '/api/v1/model':
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self.send_response(200)
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self.end_headers()
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response = json.dumps({
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'result': shared.model_name
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})
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self.wfile.write(response.encode('utf-8'))
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else:
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self.send_error(404)
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def do_POST(self):
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content_length = int(self.headers['Content-Length'])
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body = json.loads(self.rfile.read(content_length).decode('utf-8'))
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if self.path == '/api/v1/generate':
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self.send_response(200)
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self.send_header('Content-Type', 'application/json')
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self.end_headers()
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prompt = body['prompt']
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prompt_lines = [l.strip() for l in prompt.split('\n')]
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max_context = body.get('max_context_length', 2048)
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while len(prompt_lines) >= 0 and len(encode('\n'.join(prompt_lines))) > max_context:
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prompt_lines.pop(0)
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prompt = '\n'.join(prompt_lines)
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generator = generate_reply(
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question = prompt,
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max_new_tokens = body.get('max_length', 200),
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do_sample=True,
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temperature=body.get('temperature', 0.5),
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top_p=body.get('top_p', 1),
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typical_p=body.get('typical', 1),
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repetition_penalty=body.get('rep_pen', 1.1),
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encoder_repetition_penalty=1,
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top_k=body.get('top_k', 0),
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min_length=0,
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no_repeat_ngram_size=0,
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num_beams=1,
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penalty_alpha=0,
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length_penalty=1,
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early_stopping=False,
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)
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answer = ''
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for a in generator:
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answer = a[0]
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response = json.dumps({
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'results': [{
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'text': answer[len(prompt):]
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}]
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})
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self.wfile.write(response.encode('utf-8'))
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else:
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self.send_error(404)
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def run_server():
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global server
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server_addr = ('0.0.0.0' if shared.args.listen else '127.0.0.1', params['port'])
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server = ThreadingHTTPServer(server_addr, Handler)
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if shared.args.share:
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try:
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from flask_cloudflared import _run_cloudflared
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public_url = _run_cloudflared(params['port'], params['port'] + 1)
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print(f'Starting KoboldAI compatible api at {public_url}/api')
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except ImportError:
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print('You should install flask_cloudflared manually')
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else:
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print(f'Starting KoboldAI compatible api at http://{server_addr[0]}:{server_addr[1]}/api')
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server.serve_forever()
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def ui():
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if server is None:
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Thread(target=run_server, daemon=True).start() |