Ammar Askar <[email protected]> added the comment:
I don't know how common this situation is, the fact that all constructors go to
__init__ here makes it a little tough in this case but normally you'd be able
to tell by the function name.
One potential solution might be to show which file the error came from like
this:
Traceback (most recent call last):
File "D:\x.py", line 13, in <module>
c = C(C1("C1"), C2("C2"))
TypeError: [D:\x.py:6] __init__() missing 1 required positional argument: 'p'
This is a pretty trivial change in ceval.c:3779 but might make the errors
pretty long unless (especially now that co_filename is an absolute path) we
chop them off to just the name of the file.
Including the frame information for the function about to be called would be
much more difficult.
Overall this situation might not be worth improving because it's so rare but
having the function location in the error might be worth having just as an
extra information point.
----------
nosy: +ammar2
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<https://bugs.python.org/issue39625>
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