当前位置：文江博客话题详情

是否可以取消“关键字参数重复” python 2.6 中的异常？

发布于 2024-10-15 09:59:05 字数 43 浏览 1 评论 0原文

该代码在 python 2.5 上运行，但在 2.6 上失败并出现此异常

原文

分享到QQ

分享到微博

如果你对这篇内容有疑问，欢迎到本站社区发帖提问参与讨论，获取更多帮助，或者扫码二维码加入 Web 技术交流群。

发布评论

需要登录才能够评论，你可以免费注册一个本站的账号。

甜扑 2024-10-22 09:59:05

该异常是源代码中的语法错误，修复它的唯一方法是更正函数调用。

Python 2.5.2 (r252:60911, Jan 24 2010, 14:53:14)
[GCC 4.3.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> def f(x): pass
...
>>> f(x=1, x=2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: f() got multiple values for keyword argument 'x'
>>> f(x=1, **{'x': 2})
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: f() got multiple values for keyword argument 'x'

Python 2.6.6 (r266:84297, Aug 24 2010, 18:46:32) [MSC v.1500 32 bit (Intel)] on
win32
Type "help", "copyright", "credits" or "license" for more information.
>>> def f(x): pass
...
>>> f(x=1, x=2)
  File "<stdin>", line 1
SyntaxError: keyword argument repeated
>>> f(x=2, **{'x': 1})
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: f() got multiple values for keyword argument 'x'

That exception is a syntax error in the source, and the only way to fix it is to correct the function call.

Python 2.5.2 (r252:60911, Jan 24 2010, 14:53:14)
[GCC 4.3.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> def f(x): pass
...
>>> f(x=1, x=2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: f() got multiple values for keyword argument 'x'
>>> f(x=1, **{'x': 2})
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: f() got multiple values for keyword argument 'x'

Python 2.6.6 (r266:84297, Aug 24 2010, 18:46:32) [MSC v.1500 32 bit (Intel)] on
win32
Type "help", "copyright", "credits" or "license" for more information.
>>> def f(x): pass
...
>>> f(x=1, x=2)
  File "<stdin>", line 1
SyntaxError: keyword argument repeated
>>> f(x=2, **{'x': 1})
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: f() got multiple values for keyword argument 'x'

回复收藏 0 原文

~没有更多了~