Update app.py
Browse files
app.py
CHANGED
@@ -3,13 +3,60 @@ import requests
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import json
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import time
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import random
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import logging
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app = Flask(__name__)
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@app.route('/')
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def index():
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@@ -22,45 +69,40 @@ def handle_request():
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model = body.get('model')
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messages = body.get('messages')
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stream = body.get('stream', False)
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if not model or not messages or len(messages) == 0:
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return jsonify({"error": "Bad Request: Missing required fields"}), 400
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authorization_header = request.headers.get('Authorization')
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if not authorization_header:
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return jsonify({"error": "Unauthorized: Missing Authorization header"}), 401
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# Extract tokens from Authorization header
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tokens = authorization_header.split(' ')[1].split(',')
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if len(tokens) == 1:
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selected_token = tokens[0]
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else:
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selected_token = random.choice(tokens)
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prompt = messages[-1]['content']
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new_url = f'https://api.siliconflow.cn/v1/{model}/text-to-image'
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new_request_body = {
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"prompt":
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"image_size": "1024x1024",
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"batch_size": 1,
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"num_inference_steps": 4,
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"guidance_scale": 1
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}
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headers = {
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'accept': 'application/json',
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'content-type': 'application/json',
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'Authorization':
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}
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response = requests.post(new_url, headers=headers, json=new_request_body)
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response_body = response.json()
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image_url = response_body['images'][0]['url']
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unique_id =
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current_timestamp =
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if stream:
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response_payload = {
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"id": unique_id,
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@@ -71,7 +113,7 @@ def handle_request():
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{
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"index": 0,
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"delta": {
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"content": f""
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},
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"finish_reason": "stop"
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}
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@@ -90,7 +132,7 @@ def handle_request():
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"index": 0,
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"message": {
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"role": "assistant",
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"content": f""
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},
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"logprobs": None,
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"finish_reason": "length"
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@@ -98,19 +140,14 @@ def handle_request():
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],
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"usage": {
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"prompt_tokens": len(prompt),
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"completion_tokens": len(image_url),
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"total_tokens": len(prompt) + len(image_url)
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}
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}
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data_string = json.dumps(response_payload)
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return Response(f"{data_string}\n\n", content_type='text/event-stream')
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except Exception as e:
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return jsonify({"error": f"Internal Server Error: {str(e)}"}), 500
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finally:
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# 记录请求的 model 和 被命中的 token
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logger.info(f'"POST /ai/v1/chat/completions HTTP/1.1" "model: {model}" "token: {selected_token}" "status: {response.status_code}" -')
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if __name__ == '__main__':
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app.run(host='0.0.0.0', port=8000)
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import json
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import time
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import random
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app = Flask(__name__)
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SYSTEM_ASSISTANT = """作为 Stable Diffusion Prompt 提示词专家,您将从关键词中创建提示,通常来自 Danbooru 等数据库。
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提示通常描述图像,使用常见词汇,按重要性排列,并用逗号分隔。避免使用"-"或".",但可以接受空格和自然语言。避免词汇重复。
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为了强调关键词,请将其放在括号中以增加其权重。例如,"(flowers)"将'flowers'的权重增加1.1倍,而"(((flowers)))"将其增加1.331倍。使用"(flowers:1.5)"将'flowers'的权重增加1.5倍。只为重要的标签增加权重。
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提示包括三个部分:**前缀** (质量标签+风格词+效果器)+ **主题** (图像的主要焦点)+ **场景** (背景、环境)。
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* 前缀影响图像质量。像"masterpiece"、"best quality"、"4k"这样的标签可以提高图像的细节。像"illustration"、"lensflare"这样的风格词定义图像的风格。像"bestlighting"、"lensflare"、"depthoffield"这样的效果器会影响光照和深度。
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* 主题是图像的主要焦点,如角色或场景。对主题进行详细描述可以确保图像丰富而详细。增加主题的权重以增强其清晰度。对于角色,描述面部、头发、身体、服装、姿势等特征。
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* 场景描述环境。没有场景,图像的背景是平淡的,主题显得过大。某些主题本身包含场景(例如建筑物、风景)。像"花草草地"、"阳光"、"河流"这样的环境词可以丰富场景。你的任务是设计图像生成的提示。请按照以下步骤进行操作:
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1. 我会发送给您一个图像场景。需要你生成详细的图像描述
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2. 图像描述必须是英文,输出为Positive Prompt。
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示例:
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我发送:二战时期的护士。
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您回复只回复:
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A WWII-era nurse in a German uniform, holding a wine bottle and stethoscope, sitting at a table in white attire, with a table in the background, masterpiece, best quality, 4k, illustration style, best lighting, depth of field, detailed character, detailed environment.
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"""
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def get_random_token(auth_header):
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if not auth_header:
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return None
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if auth_header.startswith('Bearer '):
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auth_header = auth_header[7:]
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tokens = [token.strip() for token in auth_header.split(',') if token.strip()]
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if not tokens:
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return None
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return f"Bearer {random.choice(tokens)}"
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def translate_and_enhance_prompt(prompt, auth_token):
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translate_url = 'https://api.siliconflow.cn/v1/chat/completions'
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translate_body = {
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'model': 'Qwen/Qwen2-72B-Instruct',
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'messages': [
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{'role': 'system', 'content': SYSTEM_ASSISTANT},
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{'role': 'user', 'content': prompt}
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]
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}
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headers = {
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'Content-Type': 'application/json',
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'Authorization': auth_token
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}
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response = requests.post(translate_url, headers=headers, json=translate_body)
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if response.status_code != 200:
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raise Exception(f'Translation error: {response.status_code}')
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result = response.json()
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return result['choices'][0]['message']['content']
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@app.route('/')
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def index():
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model = body.get('model')
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messages = body.get('messages')
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stream = body.get('stream', False)
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if not model or not messages or len(messages) == 0:
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return jsonify({"error": "Bad Request: Missing required fields"}), 400
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prompt = messages[-1]['content']
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# 获取随机token
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random_token = get_random_token(request.headers.get('Authorization'))
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if not random_token:
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return jsonify({"error": "Unauthorized: Invalid or missing Authorization header"}), 401
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# 翻译并增强prompt
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enhanced_prompt = translate_and_enhance_prompt(prompt, random_token)
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new_url = f'https://api.siliconflow.cn/v1/{model}/text-to-image'
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new_request_body = {
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"prompt": enhanced_prompt,
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"image_size": "1024x1024",
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"batch_size": 1,
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"num_inference_steps": 4,
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"guidance_scale": 1
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}
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headers = {
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'accept': 'application/json',
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'content-type': 'application/json',
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'Authorization': random_token
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}
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response = requests.post(new_url, headers=headers, json=new_request_body)
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response_body = response.json()
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image_url = response_body['images'][0]['url']
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unique_id = int(time.time() * 1000)
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current_timestamp = unique_id // 1000
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if stream:
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response_payload = {
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"id": unique_id,
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{
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"index": 0,
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"delta": {
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"content": f"原始提示词:{prompt}\n增强后的提示词:{enhanced_prompt}\n生成的图像:\n"
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},
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"finish_reason": "stop"
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}
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"index": 0,
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"message": {
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"role": "assistant",
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"content": f"原始提示词:{prompt}\n增强后的提示词:{enhanced_prompt}\n生成的图像:\n"
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},
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"logprobs": None,
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"finish_reason": "length"
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],
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"usage": {
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"prompt_tokens": len(prompt),
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"completion_tokens": len(enhanced_prompt) + len(image_url),
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"total_tokens": len(prompt) + len(enhanced_prompt) + len(image_url)
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}
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}
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data_string = json.dumps(response_payload)
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return Response(f"{data_string}\n\n", content_type='text/event-stream')
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except Exception as e:
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return jsonify({"error": f"Internal Server Error: {str(e)}"}), 500
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if __name__ == '__main__':
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app.run(host='0.0.0.0', port=8000)
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