Guido van Rossum wrote:
> Actually, requiring isinstance(pos, int) is too rigid. You should use
> __index__() instead, which allows other int-like numbers but not float
> numbers.
I wasn't familiar with the __index__() method.
Is this fine with you?
def seek(self, pos, whence=0):
if not hasattr(pos, "__index__"):
raise TypeError("an integer is required")
pos = pos.__index__()
if whence == 0:
...
I want it to raise a TypeError to keep it consistent with _fileio's seek.
Christian
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