Andy Maier <andreas.r.ma...@gmx.de> added the comment:
I accept that the issue was closed, but wanted to document some things:
1. The dict class manages very well to detect that a string is invalid input:
>>> d = dict('abc')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: dictionary update sequence element #0 has length 1; 2 is required
2. When initialized with strings, it looses some of its dictionary methods, but
does a quite reasonable job in pointing that out in the error message:
>>> mp = MappingProxyType('abc')
>>> mp.items()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'str' object has no attribute 'items'
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue43828>
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