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from flask import Flask, request, Response, jsonify, stream_with_context
import requests
import json
import uuid
import time
app = Flask(__name__)
@app.route('/v1/chat/completions', methods=['POST'])
def chat_completions():
auth_header = request.headers.get('Authorization', '')
if auth_header.startswith('Bearer '):
token = auth_header[7:]
else:
return jsonify({"error": "Authorization header must be a Bearer token"}), 401
try:
openai_request = request.json
messages = openai_request.get('messages', [])
user_message = ""
for msg in reversed(messages):
if msg.get('role') == 'user':
user_message = msg.get('content', '')
break
if not user_message:
return jsonify({"error": "No user message found"}), 400
yun_api_url = 'https://ai.yun.139.com/api/outer/assistant/chat/add'
yun_headers = {
'User-Agent': 'Mozilla/5.0 (Linux; Android 14; 23049RAD8C Build/UKQ1.230804.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/118.0.0.0 Mobile Safari/537.36 MCloudApp/11.4.4',
'Accept': 'text/event-stream',
'Content-Type': 'application/json',
'sec-ch-ua': '"Chromium";v="118", "Android WebView";v="118", "Not=A?Brand";v="99"',
'x-yun-app-channel': '101',
'sec-ch-ua-mobile': '?1',
'authorization': f'Basic {token}',
'x-yun-api-version': 'v4',
'sec-ch-ua-platform': '"Android"',
'origin': 'https://yun.139.com',
'x-requested-with': 'com.chinamobile.mcloud',
'sec-fetch-site': 'same-site',
'sec-fetch-mode': 'cors',
'sec-fetch-dest': 'empty',
'referer': 'https://yun.139.com/',
'accept-language': 'zh,zh-CN;q=0.9,en-US;q=0.8,en;q=0.7'
}
yun_data = {
"userId": "",
"sessionId": "",
"content": {
"dialogue": user_message,
"prompt": "",
"commands": "",
"resourceType": "0",
"resourceId": "",
"dialogueType": "0",
"sourceChannel": "101",
"extInfo": "{\"h5Version\":\"1.7.4\"}"
},
"applicationType": "chat",
"applicationId": ""
}
stream_mode = openai_request.get('stream', False)
if stream_mode:
def generate():
response_id = f"chatcmpl-{str(uuid.uuid4())}"
start_time = time.time()
response = requests.post(yun_api_url, headers=yun_headers, json=yun_data, stream=True)
collected_text = ""
for line in response.iter_lines():
if line:
line_text = line.decode('utf-8')
if line_text.startswith('data:'):
data_json = json.loads(line_text[5:].strip())
if 'content' in data_json:
delta_text = data_json['content']
collected_text += delta_text
chunk = {
"id": response_id,
"object": "chat.completion.chunk",
"created": int(time.time()),
"model": "DeepSeek-R1",
"choices": [
{
"index": 0,
"delta": {
"content": delta_text
},
"finish_reason": None
}
]
}
yield f"data: {json.dumps(chunk)}\n\n"
final_chunk = {
"id": response_id,
"object": "chat.completion.chunk",
"created": int(time.time()),
"model": "DeepSeek-R1",
"choices": [
{
"index": 0,
"delta": {},
"finish_reason": "stop"
}
]
}
yield f"data: {json.dumps(final_chunk)}\n\n"
yield "data: [DONE]\n\n"
return Response(stream_with_context(generate()), content_type='text/event-stream')
else:
response = requests.post(yun_api_url, headers=yun_headers, json=yun_data)
response_data = response.json()
assistant_message = ""
if 'data' in response_data and 'content' in response_data['data']:
assistant_message = response_data['data']['content']
openai_response = {
"id": f"chatcmpl-{str(uuid.uuid4())}",
"object": "chat.completion",
"created": int(time.time()),
"model": "DeepSeek-R1",
"choices": [
{
"index": 0,
"message": {
"role": "assistant",
"content": assistant_message
},
"finish_reason": "stop"
}
],
"usage": {
"prompt_tokens": len(user_message),
"completion_tokens": len(assistant_message),
"total_tokens": len(user_message) + len(assistant_message)
}
}
return jsonify(openai_response)
except Exception as e:
return jsonify({"error": str(e)}), 500
@app.route('/v1/models', methods=['GET'])
def list_models():
models = {
"object": "list",
"data": [
{
"id": "DeepSeek-R1",
"object": "model",
"created": int(time.time()),
"owned_by": "139.com"
}
]
}
return jsonify(models)
if __name__ == '__main__':
app.run(host='0.0.0.0', port=8080, debug=True) |