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58 lines
1.6 KiB
Python
58 lines
1.6 KiB
Python
from flask import Flask, request, jsonify
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from flask_cors import CORS
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import argparse
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import signal
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import sys
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# flask-demo
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# argparse
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parser = argparse.ArgumentParser(description='Process some integers.')
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parser.add_argument('--port', type=int, default=7074, help='The port number.')
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args = parser.parse_args()
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app = Flask(__name__)
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# 配置 CORS，允许所有来源
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CORS(app)
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# 定义路由和处理器
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@app.route('/', methods=['GET'])
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def index():
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name = request.args.get('name', 'World')
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return jsonify({'message': f'Hello, {name}!'}), 200
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@app.route('/api/hello', methods=['GET'])
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def hello():
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name = request.args.get('name', 'World')
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return jsonify({'message': f'Hello, {name}!'}), 200
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# 通过信号来退出服务，否则会出现终端显示退出后，实际进程仍在运行
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# 定义信号处理函数
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def signal_handler(sig, frame):
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print("[python] [flask] Received signal to terminate the server:", sig)
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sys.exit(0)
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# 关闭 Flask 应用
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# func = request.environ.get('werkzeug.server.shutdown')
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# if func is None:
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# func = lambda: None
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# func()
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# 退出主线程
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# threading.main_thread().exit()
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# 注册信号处理函数
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signal.signal(signal.SIGTERM, signal_handler)
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signal.signal(signal.SIGINT, signal_handler)
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if __name__ == '__main__':
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# 以api方式启动服务会出现警告，请忽略
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app.run(port=args.port)
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# 或许flask内置的stdio与node.js stdio有冲突，导致控制台无法显示信息。
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# 如果想要查看控制台输出，请单独启动服务 npm run dev-python
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print("python server is running at port:", args.port)
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