171 lines
6.7 KiB
Python
171 lines
6.7 KiB
Python
try:
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import gevent.monkey
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gevent.monkey.patch_all()
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except ImportError:
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pass
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import os
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import sys
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from pathlib import Path
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import simplejson as json
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from flask import Flask, jsonify, render_template, request
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from llm_server.cluster.cluster_config import cluster_config
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from llm_server.cluster.model_choices import get_model_choices
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from llm_server.config.config import mode_ui_names
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from llm_server.config.load import load_config
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from llm_server.database.conn import database
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from llm_server.database.create import create_db
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from llm_server.pre_fork import server_startup
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from llm_server.routes.openai import openai_bp
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from llm_server.routes.server_error import handle_server_error
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from llm_server.routes.v1 import bp
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from llm_server.sock import init_socketio
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# TODO: is frequency penalty the same as ooba repetition penalty???
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# TODO: make sure openai_moderation_enabled works on websockets, completions, and chat completions
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# TODO: if a backend is at its limit of concurrent requests, choose a different one
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# Lower priority
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# TODO: support logit_bias on OpenAI and Ooba endpoints.
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# TODO: add a way to cancel VLLM gens. Maybe use websockets?
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# TODO: validate openai_silent_trim works as expected and only when enabled
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# TODO: rewrite config storage. Store in redis so we can reload it.
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# TODO: set VLLM to stream ALL data using socket.io. If the socket disconnects, cancel generation.
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# TODO: estiamted wait time needs to account for full concurrent_gens but the queue is less than concurrent_gens
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# TODO: the estiamted wait time lags behind the stats
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# TODO: simulate OpenAI error messages regardless of endpoint
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# TODO: send extra headers when ratelimited?
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# TODO: make sure log_prompt() is used everywhere, including errors and invalid requests
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# TODO: unify logging thread in a function and use async/await instead
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# TODO: move the netdata stats to a seperate part of the stats and have it set to the currently selected backend
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# TODO: have VLLM reply with stats (TPS, generated token count, processing time)
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# TODO: add config reloading via stored redis variables
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# Done, but need to verify
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# TODO: add more excluding to SYSTEM__ tokens
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# TODO: return 200 when returning formatted sillytavern error
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try:
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import vllm
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except ModuleNotFoundError as e:
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print('Could not import vllm-gptq:', e)
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print('Please see README.md for install instructions.')
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sys.exit(1)
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import config
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from llm_server import opts
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from llm_server.helpers import auto_set_base_client_api
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from llm_server.llm.vllm.info import vllm_info
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from llm_server.custom_redis import flask_cache
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from llm_server.llm import redis
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from llm_server.routes.v1.generate_stats import generate_stats
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app = Flask(__name__)
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app.register_blueprint(bp, url_prefix='/api/')
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app.register_blueprint(openai_bp, url_prefix='/api/openai/v1/')
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init_socketio(app)
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flask_cache.init_app(app)
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flask_cache.clear()
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script_path = os.path.dirname(os.path.realpath(__file__))
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config_path_environ = os.getenv("CONFIG_PATH")
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if config_path_environ:
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config_path = config_path_environ
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else:
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config_path = Path(script_path, 'config', 'config.yml')
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success, config, msg = load_config(config_path)
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if not success:
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print('Failed to load config:', msg)
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sys.exit(1)
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database.init_db(config['mysql']['host'], config['mysql']['username'], config['mysql']['password'], config['mysql']['database'])
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create_db()
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@app.route('/')
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@app.route('/api')
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@app.route('/api/openai')
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@flask_cache.cached(timeout=10)
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def home():
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base_client_api = redis.get('base_client_api', dtype=str)
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stats = generate_stats()
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model_choices, default_backend_info = get_model_choices()
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if default_backend_info['queued'] == 0 and default_backend_info['queued'] >= opts.concurrent_gens:
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# There will be a wait if the queue is empty but prompts are processing, but we don't
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# know how long.
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default_estimated_wait_sec = f"less than {int(default_backend_info['estimated_wait'])} seconds"
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else:
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default_estimated_wait_sec = f"{int(default_backend_info['estimated_wait'])} seconds"
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if len(config['analytics_tracking_code']):
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analytics_tracking_code = f"<script>\n{config['analytics_tracking_code']}\n</script>"
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else:
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analytics_tracking_code = ''
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if config['info_html']:
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info_html = config['info_html']
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else:
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info_html = ''
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mode_info = ''
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for k, v in cluster_config.all().items():
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if v['mode'] == 'vllm':
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mode_info = vllm_info
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break
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return render_template('home.html',
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llm_middleware_name=opts.llm_middleware_name,
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analytics_tracking_code=analytics_tracking_code,
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info_html=info_html,
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default_model=default_backend_info['model'],
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default_active_gen_workers=default_backend_info['processing'],
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default_proompters_in_queue=default_backend_info['queued'],
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current_model=opts.manual_model_name if opts.manual_model_name else None, # else running_model,
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client_api=f'https://{base_client_api}',
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ws_client_api=f'wss://{base_client_api}/v1/stream' if opts.enable_streaming else 'disabled',
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default_estimated_wait=default_estimated_wait_sec,
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mode_name=mode_ui_names[opts.mode][0],
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api_input_textbox=mode_ui_names[opts.mode][1],
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streaming_input_textbox=mode_ui_names[opts.mode][2],
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default_context_size=default_backend_info['context_size'],
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stats_json=json.dumps(stats, indent=4, ensure_ascii=False),
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extra_info=mode_info,
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openai_client_api=f'https://{base_client_api}/openai/v1' if opts.enable_openi_compatible_backend else 'disabled',
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expose_openai_system_prompt=opts.expose_openai_system_prompt,
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enable_streaming=opts.enable_streaming,
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model_choices=model_choices,
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proompters_5_min=stats['stats']['proompters']['5_min'],
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proompters_24_hrs=stats['stats']['proompters']['24_hrs'],
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)
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@app.route('/<first>')
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@app.route('/<first>/<path:rest>')
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def fallback(first=None, rest=None):
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return jsonify({
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'code': 404,
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'msg': 'not found'
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}), 404
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@app.errorhandler(500)
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def server_error(e):
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return handle_server_error(e)
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@app.before_request
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def before_app_request():
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auto_set_base_client_api(request)
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if __name__ == "__main__":
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server_startup(None)
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print('FLASK MODE - Startup complete!')
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app.run(host='0.0.0.0', threaded=False, processes=15)
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