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import os,time,logging,requests,json,uuid,concurrent.futures,threading,base64,io |
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from io import BytesIO |
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from itertools import chain |
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from PIL import Image |
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from datetime import datetime |
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from apscheduler.schedulers.background import BackgroundScheduler |
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from flask import Flask, request, jsonify, Response, stream_with_context |
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from werkzeug.middleware.proxy_fix import ProxyFix |
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from requests.adapters import HTTPAdapter |
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from requests.packages.urllib3.util.retry import Retry |
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|
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os.environ['TZ'] = 'Asia/Shanghai' |
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time.tzset() |
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|
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logging.basicConfig(level=logging.INFO, |
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format='%(asctime)s - %(levelname)s - %(message)s') |
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|
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API_ENDPOINT = "https://api-st.siliconflow.cn/v1/user/info" |
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TEST_MODEL_ENDPOINT = "https://api-st.siliconflow.cn/v1/chat/completions" |
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MODELS_ENDPOINT = "https://api.openai.com/v1/models" |
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EMBEDDINGS_ENDPOINT = "https://api-st.siliconflow.cn/v1/embeddings" |
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IMAGE_ENDPOINT = "https://api-st.siliconflow.cn/v1/images/generations" |
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|
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def requests_session_with_retries( |
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retries=3, backoff_factor=0.3, status_forcelist=(500, 502, 504) |
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): |
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session = requests.Session() |
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retry = Retry( |
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total=retries, |
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read=retries, |
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connect=retries, |
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backoff_factor=backoff_factor, |
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status_forcelist=status_forcelist, |
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) |
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adapter = HTTPAdapter( |
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max_retries=retry, |
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pool_connections=1000, |
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pool_maxsize=10000, |
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pool_block=False |
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) |
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session.mount("http://", adapter) |
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session.mount("https://", adapter) |
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return session |
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|
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session = requests_session_with_retries() |
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|
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app = Flask(__name__) |
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app.wsgi_app = ProxyFix(app.wsgi_app, x_for=1) |
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|
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models = { |
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"text": [], |
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"free_text": [], |
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"embedding": [], |
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"free_embedding": [], |
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"image": [], |
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"free_image": [] |
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} |
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|
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key_status = { |
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"invalid": [], |
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"free": [], |
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"unverified": [], |
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"valid": [] |
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} |
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|
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executor = concurrent.futures.ThreadPoolExecutor(max_workers=10000) |
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model_key_indices = {} |
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|
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request_timestamps = [] |
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token_counts = [] |
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request_timestamps_day = [] |
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token_counts_day = [] |
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data_lock = threading.Lock() |
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|
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def get_credit_summary(api_key): |
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headers = { |
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"Authorization": f"Bearer {api_key}", |
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"Content-Type": "application/json" |
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} |
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max_retries = 3 |
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|
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for attempt in range(max_retries): |
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try: |
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response = session.get(API_ENDPOINT, headers=headers, timeout=2) |
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response.raise_for_status() |
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data = response.json().get("data", {}) |
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total_balance = data.get("totalBalance", 0) |
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logging.info(f"获取额度，API Key：{api_key}，当前额度: {total_balance}") |
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return {"total_balance": float(total_balance)} |
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except requests.exceptions.Timeout as e: |
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logging.error(f"获取额度信息失败，API Key：{api_key}，尝试次数：{attempt+1}/{max_retries}，错误信息：{e} (Timeout)") |
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if attempt >= max_retries - 1: |
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logging.error(f"获取额度信息失败，API Key：{api_key}，所有重试次数均已失败 (Timeout)") |
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except requests.exceptions.RequestException as e: |
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logging.error(f"获取额度信息失败，API Key：{api_key}，错误信息：{e}") |
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return None |
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|
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def extract_user_content(messages): |
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user_content = "" |
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for message in messages: |
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if message["role"] == "user": |
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if isinstance(message["content"], str): |
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user_content += message["content"] + " " |
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elif isinstance(message["content"], list): |
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for item in message["content"]: |
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if isinstance(item, dict) and item.get("type") == "text": |
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user_content += item.get("text", "") + " " |
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return user_content.strip() |
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|
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def get_siliconflow_data(model_name, data): |
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siliconflow_data = { |
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"model": model_name, |
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"prompt": data.get("prompt") or "", |
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} |
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|
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if model_name == "black-forest-labs/FLUX.1-pro": |
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siliconflow_data.update({ |
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"width": max(256, min(1440, (data.get("width", 1024) // 32) * 32)), |
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"height": max(256, min(1440, (data.get("height", 768) // 32) * 32)), |
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"prompt_upsampling": data.get("prompt_upsampling", False), |
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"image_prompt": data.get("image_prompt"), |
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"steps": max(1, min(50, data.get("steps", 20))), |
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"guidance": max(1.5, min(5, data.get("guidance", 3))), |
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"safety_tolerance": max(0, min(6, data.get("safety_tolerance", 2))), |
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"interval": max(1, min(4, data.get("interval", 2))), |
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"output_format": data.get("output_format", "png") |
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}) |
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|
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seed = data.get("seed") |
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if isinstance(seed, int) and 0 < seed < 9999999999: |
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siliconflow_data["seed"] = seed |
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|
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else: |
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siliconflow_data.update({ |
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"image_size": data.get("image_size", "1024x1024"), |
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"prompt_enhancement": data.get("prompt_enhancement", False) |
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}) |
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|
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seed = data.get("seed") |
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if isinstance(seed, int) and 0 < seed < 9999999999: |
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siliconflow_data["seed"] = seed |
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|
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if model_name not in ["black-forest-labs/FLUX.1-schnell", "Pro/black-forest-labs/FLUX.1-schnell"]: |
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siliconflow_data.update({ |
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"batch_size": max(1, min(4, data.get("n", 1))), |
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"num_inference_steps": max(1, min(50, data.get("steps", 20))), |
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"guidance_scale": max(0, min(100, data.get("guidance_scale", 7.5))), |
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"negative_prompt": data.get("negative_prompt") |
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}) |
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|
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valid_sizes = ["1024x1024", "512x1024", "768x512", "768x1024", "1024x576", "576x1024", "960x1280", "720x1440", "720x1280"] |
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if "image_size" in siliconflow_data and siliconflow_data["image_size"] not in valid_sizes: |
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siliconflow_data["image_size"] = "1024x1024" |
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return siliconflow_data |
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def refresh_models(): |
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global models |
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|
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models["text"] = get_all_models(key_status["valid"][0]) |
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|
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for model_type in ["text"]: |
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logging.info(f"所有{model_type}模型列表：{models[model_type]}") |
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logging.info(f"免费{model_type}模型列表：{models[f'free_{model_type}']}") |
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|
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def load_keys(): |
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global key_status |
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for status in key_status: |
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key_status[status] = [] |
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keys_str = os.environ.get("KEYS") |
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|
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logging.info(f"The value of KEYS environment variable is: {keys_str}") |
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|
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if not keys_str: |
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logging.warning("环境变量 KEYS 未设置。") |
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return |
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valid_keys_global = keys_str |
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|
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def process_key(key, test_model): |
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credit_summary = get_credit_summary(key) |
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if credit_summary is None: |
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return "invalid" |
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else: |
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total_balance = credit_summary.get("total_balance", 0) |
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if total_balance <= 0.03: |
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return "free" |
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else: |
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if test_model_availability(key, test_model): |
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return "valid" |
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else: |
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return "unverified" |
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|
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def get_all_models(api_key): |
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headers = { |
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"Authorization": f"Bearer {api_key}", |
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"Content-Type": "application/json" |
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} |
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try: |
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response = session.get( |
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MODELS_ENDPOINT, |
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headers=headers |
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) |
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response.raise_for_status() |
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data = response.json() |
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if ( |
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isinstance(data, dict) and |
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'data' in data and |
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isinstance(data['data'], list) |
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): |
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return [ |
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model.get("id") for model in data["data"] |
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if isinstance(model, dict) and "id" in model |
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] |
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else: |
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logging.error("获取模型列表失败：响应数据格式不正确") |
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return [] |
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except requests.exceptions.RequestException as e: |
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logging.error( |
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f"获取模型列表失败，" |
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f"API Key：{api_key}，错误信息：{e}" |
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) |
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return [] |
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except (KeyError, TypeError) as e: |
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logging.error( |
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f"解析模型列表失败，" |
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f"API Key：{api_key}，错误信息：{e}" |
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) |
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return [] |
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|
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def determine_request_type(model_name, model_list, free_model_list): |
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if model_name in free_model_list: |
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return "free" |
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elif model_name in model_list: |
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return "paid" |
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else: |
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return "unknown" |
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|
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def select_key(request_type, model_name): |
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if request_type == "free": |
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available_keys = ( |
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free_keys_global + |
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unverified_keys_global + |
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valid_keys_global |
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) |
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elif request_type == "paid": |
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available_keys = unverified_keys_global + valid_keys_global |
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else: |
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available_keys = ( |
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free_keys_global + |
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unverified_keys_global + |
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valid_keys_global |
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) |
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|
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if not available_keys: |
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return None |
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current_index = model_key_indices.get(model_name, 0) |
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|
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for _ in range(len(available_keys)): |
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key = available_keys[current_index % len(available_keys)] |
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current_index += 1 |
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|
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if key_is_valid(key, request_type): |
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model_key_indices[model_name] = current_index |
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return key |
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else: |
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logging.warning( |
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f"KEY {key} 无效或达到限制，尝试下一个 KEY" |
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) |
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model_key_indices[model_name] = 0 |
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return None |
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|
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def key_is_valid(key, request_type): |
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if request_type == "invalid": |
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return False |
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|
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credit_summary = get_credit_summary(key) |
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if credit_summary is None: |
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return False |
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|
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total_balance = credit_summary.get("total_balance", 0) |
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|
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if request_type == "free": |
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return True |
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elif request_type == "paid" or request_type == "unverified": |
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return total_balance > 0 |
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else: |
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return False |
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|
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def check_authorization(request): |
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authorization_key = os.environ.get("AUTHORIZATION_KEY") |
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if not authorization_key: |
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logging.warning("环境变量 AUTHORIZATION_KEY 未设置，此时无需鉴权即可使用，建议进行设置后再使用。") |
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return True |
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|
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auth_header = request.headers.get('Authorization') |
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if not auth_header: |
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logging.warning("请求头中缺少 Authorization 字段。") |
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return False |
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|
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if auth_header != f"Bearer {authorization_key}": |
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logging.warning(f"无效的 Authorization 密钥：{auth_header}") |
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return False |
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|
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return True |
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|
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scheduler = BackgroundScheduler() |
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scheduler.add_job(load_keys, 'interval', hours=1) |
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scheduler.remove_all_jobs() |
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scheduler.add_job(refresh_models, 'interval', hours=1) |
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|
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@app.route('/') |
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def index(): |
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current_time = time.time() |
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one_minute_ago = current_time - 60 |
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one_day_ago = current_time - 86400 |
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|
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with data_lock: |
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while request_timestamps and request_timestamps[0] < one_minute_ago: |
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request_timestamps.pop(0) |
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token_counts.pop(0) |
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|
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rpm = len(request_timestamps) |
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tpm = sum(token_counts) |
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|
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with data_lock: |
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while request_timestamps_day and request_timestamps_day[0] < one_day_ago: |
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request_timestamps_day.pop(0) |
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token_counts_day.pop(0) |
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|
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rpd = len(request_timestamps_day) |
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tpd = sum(token_counts_day) |
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|
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return jsonify({"rpm": rpm, "tpm": tpm, "rpd": rpd, "tpd": tpd}) |
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|
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@app.route('/handsome/v1/models', methods=['GET']) |
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def list_models(): |
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if not check_authorization(request): |
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return jsonify({"error": "Unauthorized"}), 401 |
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|
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detailed_models = [] |
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|
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all_models = chain( |
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models["text"], |
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models["embedding"], |
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models["image"] |
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) |
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|
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for model in all_models: |
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detailed_models.append({ |
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"id": model, |
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"object": "model", |
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"created": 1678888888, |
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"owned_by": "openai", |
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"permission": [], |
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"root": model, |
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"parent": None |
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}) |
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|
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return jsonify({ |
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"success": True, |
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"data": detailed_models |
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}) |
|
|
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@app.route('/handsome/v1/chat/completions', methods=['POST']) |
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def handsome_chat_completions(): |
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if not check_authorization(request): |
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return jsonify({"error": "Unauthorized"}), 401 |
|
|
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data = request.get_json() |
|
if not data or 'model' not in data: |
|
return jsonify({"error": "Invalid request data"}), 400 |
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if data['model'] not in models["text"] and data['model'] not in models["image"]: |
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return jsonify({"error": "Invalid model"}), 400 |
|
|
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model_name = data['model'] |
|
|
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request_type = determine_request_type( |
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model_name, |
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models["text"] + models["image"], |
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models["free_text"] + models["free_image"] |
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) |
|
|
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api_key = select_key(request_type, model_name) |
|
|
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if not api_key: |
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return jsonify( |
|
{ |
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"error": ( |
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"No available API key for this " |
|
"request type or all keys have " |
|
"reached their limits" |
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) |
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} |
|
), 429 |
|
|
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headers = { |
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"Authorization": f"Bearer {api_key}", |
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"Content-Type": "application/json" |
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} |
|
|
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try: |
|
start_time = time.time() |
|
response = requests.post( |
|
TEST_MODEL_ENDPOINT, |
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headers=headers, |
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json=data, |
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stream=data.get("stream", False) |
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) |
|
|
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if response.status_code == 429: |
|
return jsonify(response.json()), 429 |
|
|
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if data.get("stream", False): |
|
def generate(): |
|
first_chunk_time = None |
|
full_response_content = "" |
|
for chunk in response.iter_content(chunk_size=2048): |
|
if chunk: |
|
if first_chunk_time is None: |
|
first_chunk_time = time.time() |
|
full_response_content += chunk.decode("utf-8") |
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yield chunk |
|
|
|
end_time = time.time() |
|
first_token_time = ( |
|
first_chunk_time - start_time |
|
if first_chunk_time else 0 |
|
) |
|
total_time = end_time - start_time |
|
|
|
prompt_tokens = 0 |
|
completion_tokens = 0 |
|
response_content = "" |
|
for line in full_response_content.splitlines(): |
|
if line.startswith("data:"): |
|
line = line[5:].strip() |
|
if line == "[DONE]": |
|
continue |
|
try: |
|
response_json = json.loads(line) |
|
|
|
if ( |
|
"usage" in response_json and |
|
"completion_tokens" in response_json["usage"] |
|
): |
|
completion_tokens = response_json[ |
|
"usage" |
|
]["completion_tokens"] |
|
|
|
if ( |
|
"choices" in response_json and |
|
len(response_json["choices"]) > 0 and |
|
"delta" in response_json["choices"][0] and |
|
"content" in response_json[ |
|
"choices" |
|
][0]["delta"] |
|
): |
|
response_content += response_json[ |
|
"choices" |
|
][0]["delta"]["content"] |
|
|
|
if ( |
|
"usage" in response_json and |
|
"prompt_tokens" in response_json["usage"] |
|
): |
|
prompt_tokens = response_json[ |
|
"usage" |
|
]["prompt_tokens"] |
|
|
|
except ( |
|
KeyError, |
|
ValueError, |
|
IndexError |
|
) as e: |
|
logging.error( |
|
f"解析流式响应单行 JSON 失败: {e}, " |
|
f"行内容: {line}" |
|
) |
|
|
|
user_content = extract_user_content(data.get("messages", [])) |
|
|
|
user_content_replaced = user_content.replace( |
|
'\n', '\\n' |
|
).replace('\r', '\\n') |
|
response_content_replaced = response_content.replace( |
|
'\n', '\\n' |
|
).replace('\r', '\\n') |
|
|
|
logging.info( |
|
f"使用的key: {api_key}, " |
|
f"提示token: {prompt_tokens}, " |
|
f"输出token: {completion_tokens}, " |
|
f"首字用时: {first_token_time:.4f}秒, " |
|
f"总共用时: {total_time:.4f}秒, " |
|
f"使用的模型: {model_name}, " |
|
f"用户的内容: {user_content_replaced}, " |
|
f"输出的内容: {response_content_replaced}" |
|
) |
|
|
|
with data_lock: |
|
request_timestamps.append(time.time()) |
|
token_counts.append(prompt_tokens+completion_tokens) |
|
request_timestamps_day.append(time.time()) |
|
token_counts_day.append(prompt_tokens+completion_tokens) |
|
|
|
return Response( |
|
stream_with_context(generate()), |
|
content_type=response.headers['Content-Type'] |
|
) |
|
else: |
|
response.raise_for_status() |
|
end_time = time.time() |
|
response_json = response.json() |
|
total_time = end_time - start_time |
|
|
|
try: |
|
prompt_tokens = response_json["usage"]["prompt_tokens"] |
|
completion_tokens = response_json[ |
|
"usage" |
|
]["completion_tokens"] |
|
response_content = response_json[ |
|
"choices" |
|
][0]["message"]["content"] |
|
except (KeyError, ValueError, IndexError) as e: |
|
logging.error( |
|
f"解析非流式响应 JSON 失败: {e}, " |
|
f"完整内容: {response_json}" |
|
) |
|
prompt_tokens = 0 |
|
completion_tokens = 0 |
|
response_content = "" |
|
|
|
user_content = extract_user_content(data.get("messages", [])) |
|
|
|
user_content_replaced = user_content.replace( |
|
'\n', '\\n' |
|
).replace('\r', '\\n') |
|
response_content_replaced = response_content.replace( |
|
'\n', '\\n' |
|
).replace('\r', '\\n') |
|
|
|
logging.info( |
|
f"使用的key: {api_key}, " |
|
f"提示token: {prompt_tokens}, " |
|
f"输出token: {completion_tokens}, " |
|
f"首字用时: 0, " |
|
f"总共用时: {total_time:.4f}秒, " |
|
f"使用的模型: {model_name}, " |
|
f"用户的内容: {user_content_replaced}, " |
|
f"输出的内容: {response_content_replaced}" |
|
) |
|
with data_lock: |
|
request_timestamps.append(time.time()) |
|
if "prompt_tokens" in response_json["usage"] and "completion_tokens" in response_json["usage"]: |
|
token_counts.append(response_json["usage"]["prompt_tokens"] + response_json["usage"]["completion_tokens"]) |
|
else: |
|
token_counts.append(0) |
|
request_timestamps_day.append(time.time()) |
|
if "prompt_tokens" in response_json["usage"] and "completion_tokens" in response_json["usage"]: |
|
token_counts_day.append(response_json["usage"]["prompt_tokens"] + response_json["usage"]["completion_tokens"]) |
|
else: |
|
token_counts_day.append(0) |
|
|
|
return jsonify(response_json) |
|
|
|
except requests.exceptions.RequestException as e: |
|
logging.error(f"请求转发异常: {e}") |
|
return jsonify({"error": str(e)}), 500 |
|
|
|
if __name__ == '__main__': |
|
logging.info(f"环境变量：{os.environ}") |
|
|
|
load_keys() |
|
logging.info("程序启动时首次加载 keys 已执行") |
|
|
|
scheduler.start() |
|
|
|
logging.info("首次加载 keys 已手动触发执行") |
|
|
|
refresh_models() |
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logging.info("首次刷新模型列表已手动触发执行") |
|
|
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app.run(debug=False,host='0.0.0.0',port=int(os.environ.get('PORT', 7860))) |
