【Python】UnicodeDecodeError: ‘utf-8‘ codec can‘t decode byte 0xba in position 4: invalid start byte

原创

阿呆小记 2022-08-12 10:35:12 ©著作权

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报错

* Debugger is active!
 * Debugger PIN: 575-216-393
Exception in thread Thread-1:
Traceback (most recent call last):
  File "G:\Projects\python-3.6.4-amd64\lib\threading.py", line 916, in _bootstrap_inner
    self.run()
  File "G:\Projects\python-3.6.4-amd64\lib\threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "G:\Projects\pycharmeProject-C21\projects\Test02\venv\lib\site-packages\werkzeug\serving.py", line 959, in inner
    fd=fd,
  File "G:\Projects\pycharmeProject-C21\projects\Test02\venv\lib\site-packages\werkzeug\serving.py", line 783, in make_server
    host, port, app, request_handler, passthrough_errors, ssl_context, fd=fd
  File "G:\Projects\pycharmeProject-C21\projects\Test02\venv\lib\site-packages\werkzeug\serving.py", line 688, in __init__
    super().__init__(server_address, handler)  # type: ignore
  File "G:\Projects\python-3.6.4-amd64\lib\socketserver.py", line 453, in __init__
    self.server_bind()
  File "G:\Projects\python-3.6.4-amd64\lib\http\server.py", line 138, in server_bind
    self.server_name = socket.getfqdn(host)
  File "G:\Projects\python-3.6.4-amd64\lib\socket.py", line 673, in getfqdn
    hostname, aliases, ipaddrs = gethostbyaddr(name)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xba in position 4: invalid start byte

分析

最近在使用python处理数据，原本写的好好的程序都可以运行，中间一天没用，今天打开一看莫名其妙报了个类似字符编码的问题。我尝试更换环境进行运行，可还是报同样的错误，很不理解😖😖😖

解决方案

flask框架run这个方法的作用是获取当前计算机的名字因为windows环境电脑名字是中文,所以报这个错误,改成英文重启电脑就可以。说实话看到这个说明的时候有点蒙，但又不是不可以接受，毕竟是和本机名有关hostname, aliases, ipaddrs = gethostbyaddr(name)，我的电脑名称确实是中文😎😎😎，没办法，试试：