New submission from Eric V. Smith <[email protected]>:
See issue 33880 for the same issue with namedtuple.
This shows up on dataclasses only through make_dataclass. This is an expected
ValueError:
>>> make_dataclass('a', ['a', 'b', 'c', 'a'])
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"/cygdrive/c/home/eric/.local/lib/python3.6/site-packages/dataclasses.py", line
1123, in make_dataclass
raise TypeError(f'Field name duplicated: {name!r}')
TypeError: Field name duplicated: 'a'
But this is a SyntaxError:
>>> make_dataclass('a', ['\u00b5', '\u03bc'])
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"/cygdrive/c/home/eric/.local/lib/python3.6/site-packages/dataclasses.py", line
1133, in make_dataclass
unsafe_hash=unsafe_hash, frozen=frozen)
File
"/cygdrive/c/home/eric/.local/lib/python3.6/site-packages/dataclasses.py", line
958, in dataclass
return wrap(_cls)
File
"/cygdrive/c/home/eric/.local/lib/python3.6/site-packages/dataclasses.py", line
950, in wrap
return _process_class(cls, init, repr, eq, order, unsafe_hash, frozen)
File
"/cygdrive/c/home/eric/.local/lib/python3.6/site-packages/dataclasses.py", line
871, in _process_class
else 'self',
File
"/cygdrive/c/home/eric/.local/lib/python3.6/site-packages/dataclasses.py", line
490, in _init_fn
return_type=None)
File
"/cygdrive/c/home/eric/.local/lib/python3.6/site-packages/dataclasses.py", line
356, in _create_fn
exec(txt, globals, locals)
File "<string>", line 1
SyntaxError: duplicate argument 'μ' in function definition
----------
assignee: eric.smith
components: Library (Lib)
messages: 319766
nosy: eric.smith
priority: low
severity: normal
status: open
title: dataclasses should use NFKD to find duplicate members
versions: Python 3.7
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Python tracker <[email protected]>
<https://bugs.python.org/issue33881>
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