mirror of
https://github.com/oobabooga/text-generation-webui.git
synced 2024-11-22 16:17:57 +01:00
7aab88bcc6
* Make every parameter of the generate_reply function parameterizable * Add stopping strings as parameterizable
97 lines
3.4 KiB
Python
97 lines
3.4 KiB
Python
import json
|
|
from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
|
|
from threading import Thread
|
|
|
|
from modules import shared
|
|
from modules.text_generation import encode, generate_reply
|
|
|
|
params = {
|
|
'port': 5000,
|
|
}
|
|
|
|
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']
|
|
prompt_lines = [l.strip() for l in prompt.split('\n')]
|
|
|
|
max_context = body.get('max_context_length', 2048)
|
|
|
|
while len(prompt_lines) >= 0 and len(encode('\n'.join(prompt_lines))) > max_context:
|
|
prompt_lines.pop(0)
|
|
|
|
prompt = '\n'.join(prompt_lines)
|
|
|
|
generator = generate_reply(
|
|
question = prompt,
|
|
max_new_tokens = int(body.get('max_length', 200)),
|
|
do_sample=bool(body.get('do_sample', True)),
|
|
temperature=float(body.get('temperature', 0.5)),
|
|
top_p=float(body.get('top_p', 1)),
|
|
typical_p=float(body.get('typical', 1)),
|
|
repetition_penalty=float(body.get('rep_pen', 1.1)),
|
|
encoder_repetition_penalty=1,
|
|
top_k=int(body.get('top_k', 0)),
|
|
min_length=int(body.get('min_length', 0)),
|
|
no_repeat_ngram_size=int(body.get('no_repeat_ngram_size',0)),
|
|
num_beams=int(body.get('num_beams',1)),
|
|
penalty_alpha=float(body.get('penalty_alpha', 0)),
|
|
length_penalty=float(body.get('length_penalty', 1)),
|
|
early_stopping=bool(body.get('early_stopping', False)),
|
|
seed=int(body.get('seed', -1)),
|
|
stopping_strings=body.get('stopping_strings', []),
|
|
)
|
|
|
|
answer = ''
|
|
for a in generator:
|
|
if isinstance(a, str):
|
|
answer = a
|
|
else:
|
|
answer = a[0]
|
|
|
|
response = json.dumps({
|
|
'results': [{
|
|
'text': answer[len(prompt):]
|
|
}]
|
|
})
|
|
self.wfile.write(response.encode('utf-8'))
|
|
else:
|
|
self.send_error(404)
|
|
|
|
|
|
def run_server():
|
|
server_addr = ('0.0.0.0' if shared.args.listen else '127.0.0.1', params['port'])
|
|
server = ThreadingHTTPServer(server_addr, Handler)
|
|
if shared.args.share:
|
|
try:
|
|
from flask_cloudflared import _run_cloudflared
|
|
public_url = _run_cloudflared(params['port'], params['port'] + 1)
|
|
print(f'Starting KoboldAI compatible api at {public_url}/api')
|
|
except ImportError:
|
|
print('You should install flask_cloudflared manually')
|
|
else:
|
|
print(f'Starting KoboldAI compatible api at http://{server_addr[0]}:{server_addr[1]}/api')
|
|
server.serve_forever()
|
|
|
|
def setup():
|
|
Thread(target=run_server, daemon=True).start()
|