119 lines
4.4 KiB
Python
119 lines
4.4 KiB
Python
import sqlite3
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import time
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from flask import jsonify, request
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from llm_server.routes.stats import SemaphoreCheckerThread
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from . import bp
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from ..cache import redis
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from ..helpers.client import format_sillytavern_err
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from ..helpers.http import validate_json
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from ..queue import priority_queue
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from ... import opts
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from ...database import log_prompt
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from ...helpers import safe_list_get
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DEFAULT_PRIORITY = 9999
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@bp.route('/generate', methods=['POST'])
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def generate():
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start_time = time.time()
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request_valid_json, request_json_body = validate_json(request.data)
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if not request_valid_json:
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return jsonify({'code': 400, 'error': 'Invalid JSON'}), 400
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if request.headers.get('cf-connecting-ip'):
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client_ip = request.headers.get('cf-connecting-ip')
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elif request.headers.get('x-forwarded-for'):
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client_ip = request.headers.get('x-forwarded-for')
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else:
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client_ip = request.remote_addr
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SemaphoreCheckerThread.recent_prompters[client_ip] = time.time()
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parameters = request_json_body.copy()
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del parameters['prompt']
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token = request.headers.get('X-Api-Key')
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priority = None
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if token:
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conn = sqlite3.connect(opts.database_path)
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cursor = conn.cursor()
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cursor.execute("SELECT priority FROM token_auth WHERE token = ?", (token,))
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result = cursor.fetchone()
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if result:
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priority = result[0]
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conn.close()
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if priority is None:
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priority = DEFAULT_PRIORITY
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else:
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print(f'Token {token} was given priority {priority}.')
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event = priority_queue.put((request_json_body, client_ip, token, parameters), priority)
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event.wait()
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success, response, error_msg = event.data
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# Add the elapsed time to a global list
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end_time = time.time()
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elapsed_time = end_time - start_time
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# print('elapsed:', elapsed_time)
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# with wait_in_queue_elapsed_lock:
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# wait_in_queue_elapsed.append((end_time, elapsed_time))
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if not success:
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if opts.mode == 'oobabooga':
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backend_response = format_sillytavern_err(f'Failed to reach the backend ({opts.mode}): {error_msg}', 'error')
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response_json_body = {
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'results': [
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{
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'text': backend_response,
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}
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],
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}
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else:
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raise Exception
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log_prompt(client_ip, token, request_json_body['prompt'], backend_response, elapsed_time, parameters, dict(request.headers), response.status_code)
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return jsonify({
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'code': 500,
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'error': 'failed to reach backend',
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**response_json_body
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}), 200
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response_valid_json, response_json_body = validate_json(response)
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if response_valid_json:
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redis.incr('proompts')
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backend_response = safe_list_get(response_json_body.get('results', []), 0, {}).get('text')
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if not backend_response:
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if opts.mode == 'oobabooga':
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backend_response = format_sillytavern_err(
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f'Backend (oobabooga) returned an empty string. This can happen when your parameters are incorrect. Make sure your context size is no greater than {opts.context_size}. Furthermore, oobabooga does not support concurrent requests so all users have to wait in line and the backend server may have glitched for a moment. Please try again.',
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'error')
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response_json_body['results'][0]['text'] = backend_response
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else:
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raise Exception
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log_prompt(client_ip, token, request_json_body['prompt'], backend_response, elapsed_time, parameters, dict(request.headers), response.status_code)
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return jsonify({
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**response_json_body
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}), 200
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else:
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if opts.mode == 'oobabooga':
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backend_response = format_sillytavern_err(f'The backend did not return valid JSON.', 'error')
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response_json_body = {
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'results': [
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{
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'text': backend_response,
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}
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],
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}
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else:
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raise Exception
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log_prompt(client_ip, token, request_json_body['prompt'], backend_response, elapsed_time, parameters, dict(request.headers), response.status_code)
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return jsonify({
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'code': 500,
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'error': 'the backend did not return valid JSON',
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**response_json_body
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}), 200
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