Python 3.4 弃用警告 convert_charrefs [英] Python 3.4 DeprecationWarning convert_charrefs

问题描述

在 shell 中使用 UnitTest:

Using UnitTest in the shell:

python3.4 -m unittest my_test.py -v

我收到了弃用警告

DeprecationWarning: The value of convert_charrefs will become True in 3.5. You are encouraged to set the value explicitly.  super().__init__() ERROR

好像是这样

super().__init__()

触发此 DeprecationWarning.但我找不到任何关于 convert_charrefs 警告的信息.Python 文档中也使用了 used 语句，SO 中有多个示例.

triggers this DeprecationWarning. But I can not find anything about convert_charrefs warning. Also the used statement is used in the Python documentation, and multiple examples in SO.

导致此警告的原因是什么，我该如何解决?谢谢.

What causes this warning, and how can I solve this? Thanks.

推荐答案

convert_charrefs 对应于 HTMLParser.如果您从此类继承，则必须明确指定 convert_charrefs:

convert_charrefs correspond to HTMLParser. If you inherit from this class you must explicitly specify convert_charrefs:

class Foo(HTMLParser): 
  def __init__(self): 
    super().__init__(convert_charrefs=True)

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