Martin Panter added the comment: A warning is already emitted if you enable it with the “-b” flag, which I recommend. You can even turn the warning into an error with “-bb”. And you can always use repr() or ascii() to inspect for a more robust inspection.
$ python3 -bb Python 3.5.0 (default, Sep 20 2015, 11:28:25) [GCC 5.2.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> print(b"\xFF") Traceback (most recent call last): File "<stdin>", line 1, in <module> BytesWarning: str() on a bytes instance >>> print(repr(b"\xFF")) b'\xff' ---------- nosy: +martin.panter _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue26151> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
