mirror of
https://github.com/oobabooga/text-generation-webui.git
synced 2024-11-25 17:29:22 +01:00
72 lines
2.8 KiB
Python
72 lines
2.8 KiB
Python
import time
|
|
import traceback
|
|
from threading import Thread
|
|
from typing import Callable, Optional
|
|
|
|
from modules.text_generation import get_encoded_length
|
|
|
|
|
|
def build_parameters(body):
|
|
prompt = body['prompt']
|
|
|
|
prompt_lines = [k.strip() for k in prompt.split('\n')]
|
|
max_context = body.get('max_context_length', 2048)
|
|
while len(prompt_lines) >= 0 and get_encoded_length('\n'.join(prompt_lines)) > max_context:
|
|
prompt_lines.pop(0)
|
|
|
|
prompt = '\n'.join(prompt_lines)
|
|
|
|
generate_params = {
|
|
'max_new_tokens': int(body.get('max_new_tokens', 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_p', body.get('typical', 1))),
|
|
'repetition_penalty': float(body.get('repetition_penalty', body.get('rep_pen', 1.1))),
|
|
'encoder_repetition_penalty': float(body.get('encoder_repetition_penalty', 1.0)),
|
|
'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)),
|
|
'add_bos_token': bool(body.get('add_bos_token', True)),
|
|
'truncation_length': int(body.get('truncation_length', 2048)),
|
|
'ban_eos_token': bool(body.get('ban_eos_token', False)),
|
|
'skip_special_tokens': bool(body.get('skip_special_tokens', True)),
|
|
'custom_stopping_strings': '', # leave this blank
|
|
'stopping_strings': body.get('stopping_strings', []),
|
|
}
|
|
|
|
return generate_params
|
|
|
|
|
|
def try_start_cloudflared(port: int, max_attempts: int = 3, on_start: Optional[Callable[[str], None]] = None):
|
|
Thread(target=_start_cloudflared, args=[
|
|
port, max_attempts, on_start], daemon=True).start()
|
|
|
|
|
|
def _start_cloudflared(port: int, max_attempts: int = 3, on_start: Optional[Callable[[str], None]] = None):
|
|
try:
|
|
from flask_cloudflared import _run_cloudflared
|
|
except ImportError:
|
|
print('You should install flask_cloudflared manually')
|
|
raise Exception(
|
|
'flask_cloudflared not installed. Make sure you installed the requirements.txt for this extension.')
|
|
|
|
for _ in range(max_attempts):
|
|
try:
|
|
public_url = _run_cloudflared(port, port + 1)
|
|
|
|
if on_start:
|
|
on_start(public_url)
|
|
|
|
return
|
|
except Exception:
|
|
traceback.print_exc()
|
|
time.sleep(3)
|
|
|
|
raise Exception('Could not start cloudflared.')
|