python 读取yaml配置文件

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# coding:utf-8 import yaml #pip install pyyaml import os import json     base_path = os.path.dirname(os.path.abspath(__file__)) conf_file= os.path.join(base_path,"db.yaml")     def read_yaml():     #读取配置文件信息     try:         f = open('db.yaml',encoding="utf-8")         data = f.read()         yaml_reader = yaml.safe_load(data)         return yaml_reader     except Exception as e:         print("读取配置文件[{}]异常:{}".format(conf_file,e))         return {}       if __name__ == "__main__":     print(json.dumps(read_yaml(),indent=" "))