Python接口自动化浅析yaml配置文件原理及用法

person:
    name: vivi
    age: 18

person:{name: vivi，age: 18}

{"name":"vivi","age":18}

color:
   - red
   - blue
   - green

color: [red,blue,green]

["red","blue","green"]

n1: 8
n2: 8.8
n3: true
n4: false
n5: 'vivi'

mysql:
  host: "127.0.0.1"
  port: 3306
  user: "vivi"
  password: "123456"
  db: "ITester"
  charset: "utf8"

def load(stream, Loader=None):
    """
    Parse the first YAML document in a stream
    and produce the corresponding Python object.
    """
    if Loader is None:
        load_warning('load')
        Loader = FullLoader
    loader = Loader(stream)
    try:
        return loader.get_single_data()
    finally:
        loader.dispose()
        
def dump(data, stream=None, Dumper=Dumper, **kwds):
    """
    Serialize a Python object into a YAML stream.
    If stream is None, return the produced string instead.
    """
    return dump_all([data], stream, Dumper=Dumper, **kwds)

import yaml
 
class YamlHandler:
    def __init__(self,file):
        self.file = file
 
    def read_yaml(self,encoding='utf-8'):
        """读取yaml数据"""
        with open(self.file, encoding=encoding) as f:
            return yaml.load(f.read(), Loader=yaml.FullLoader)
            
    def write_yaml(self, data, encoding='utf-8'):
        """向yaml文件写入数据"""
        with open(self.file, encoding=encoding, mode='w') as f:
            return yaml.dump(data, stream=f, allow_unicode=True)
 
if __name__ == '__main__':
    data = {
        "user":{
            "username": "vivi",
            "password": "123456"
        }
    }
    # 读取config.yaml配置文件数据
    read_data = YamlHandler('../config/config.yaml').read_yaml()
    # 将data数据写入config1.yaml配置文件
    write_data = YamlHandler('../config/config1.yaml').write_yaml(data)
    print(read_data)
 

{'mysql': 
    {
           'host': '127.0.0.1', 
           'port':3306, 
           'user': 'vivi', 
        password': '123456', 
             'db': 'ITester', 
        'charset': 'utf8'
   }
}

user:
  password: '123456'
  username: vivi