mirror of
https://github.com/oobabooga/text-generation-webui.git
synced 2024-10-01 01:26:03 -04:00
91 lines
4.1 KiB
Python
91 lines
4.1 KiB
Python
import time
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import traceback
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from threading import Thread
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from typing import Callable, Optional
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from modules import shared
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from modules.chat import load_character_memoized
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def build_parameters(body, chat=False):
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generate_params = {
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'max_new_tokens': int(body.get('max_new_tokens', body.get('max_length', 200))),
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'do_sample': bool(body.get('do_sample', True)),
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'temperature': float(body.get('temperature', 0.5)),
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'top_p': float(body.get('top_p', 1)),
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'typical_p': float(body.get('typical_p', body.get('typical', 1))),
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'epsilon_cutoff': float(body.get('epsilon_cutoff', 0)),
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'eta_cutoff': float(body.get('eta_cutoff', 0)),
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'repetition_penalty': float(body.get('repetition_penalty', body.get('rep_pen', 1.1))),
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'encoder_repetition_penalty': float(body.get('encoder_repetition_penalty', 1.0)),
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'top_k': int(body.get('top_k', 0)),
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'min_length': int(body.get('min_length', 0)),
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'no_repeat_ngram_size': int(body.get('no_repeat_ngram_size', 0)),
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'num_beams': int(body.get('num_beams', 1)),
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'penalty_alpha': float(body.get('penalty_alpha', 0)),
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'length_penalty': float(body.get('length_penalty', 1)),
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'early_stopping': bool(body.get('early_stopping', False)),
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'mirostat_mode': int(body.get('mirostat_mode', 0)),
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'mirostat_tau': float(body.get('mirostat_tau', 5)),
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'mirostat_eta': float(body.get('mirostat_eta', 0.1)),
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'seed': int(body.get('seed', -1)),
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'add_bos_token': bool(body.get('add_bos_token', True)),
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'truncation_length': int(body.get('truncation_length', body.get('max_context_length', 2048))),
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'ban_eos_token': bool(body.get('ban_eos_token', False)),
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'skip_special_tokens': bool(body.get('skip_special_tokens', True)),
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'custom_stopping_strings': '', # leave this blank
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'stopping_strings': body.get('stopping_strings', []),
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}
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if chat:
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character = body.get('character')
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instruction_template = body.get('instruction_template')
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name1, name2, _, greeting, context, _ = load_character_memoized(character, str(body.get('your_name', shared.setttings['name1'])), shared.settings['name2'], instruct=False)
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name1_instruct, name2_instruct, _, _, context_instruct, turn_template = load_character_memoized(instruction_template, '', '', instruct=True)
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generate_params.update({
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'stop_at_newline': bool(body.get('stop_at_newline', shared.settings['stop_at_newline'])),
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'chat_prompt_size': int(body.get('chat_prompt_size', shared.settings['chat_prompt_size'])),
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'chat_generation_attempts': int(body.get('chat_generation_attempts', shared.settings['chat_generation_attempts'])),
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'mode': str(body.get('mode', 'chat')),
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'name1': name1,
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'name2': name2,
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'context': context,
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'greeting': greeting,
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'name1_instruct': name1_instruct,
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'name2_instruct': name2_instruct,
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'context_instruct': context_instruct,
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'turn_template': turn_template,
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'chat-instruct_command': str(body.get('chat-instruct_command', shared.settings['chat-instruct_command'])),
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})
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return generate_params
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def try_start_cloudflared(port: int, max_attempts: int = 3, on_start: Optional[Callable[[str], None]] = None):
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Thread(target=_start_cloudflared, args=[
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port, max_attempts, on_start], daemon=True).start()
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def _start_cloudflared(port: int, max_attempts: int = 3, on_start: Optional[Callable[[str], None]] = None):
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try:
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from flask_cloudflared import _run_cloudflared
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except ImportError:
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print('You should install flask_cloudflared manually')
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raise Exception(
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'flask_cloudflared not installed. Make sure you installed the requirements.txt for this extension.')
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for _ in range(max_attempts):
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try:
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public_url = _run_cloudflared(port, port + 1)
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if on_start:
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on_start(public_url)
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return
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except Exception:
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traceback.print_exc()
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time.sleep(3)
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raise Exception('Could not start cloudflared.')
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