New submission from Anthony Sottile <asott...@umich.edu>:
Here's an example
from difflib import ndiff
def main():
x = '\tx\t=\ty\n\t \t \t^'
y = '\tx\t=\ty\n\t \t \t^\n'
print('\n'.join(
line.rstrip('\n') for line in
ndiff(x.splitlines(True), y.splitlines(True)))
)
if __name__ == '__main__':
exit(main())
Current output:
$ python3.8 t.py
x = y
- ^
+ ^
? +
Expected output:
$ ./python t.py
x = y
- ^
+ ^
? +
Found this while implementing a similar thing for flake8 here:
https://gitlab.com/pycqa/flake8/merge_requests/339 and while debugging with
pytest
----------
messages: 349353
nosy: Anthony Sottile
priority: normal
severity: normal
status: open
title: ndiff reports incorrect location when diff strings contain tabs
versions: Python 3.7, Python 3.8, Python 3.9
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue37810>
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