If I try to write something like:
num_weeks = time_diff / datetime.timedelta(days=7)
I get:
TypeError: unsupported operand type(s) for /: 'datetime.timedelta'
and 'datetime.timedelta'
Of course, one could extend the timedelta class to implement division,
def _microseconds(self):
return (self.days * 86400 + self.seconds) * 1000000 +
self.microseconds
def __truediv__(self, other):
if isinstance(other, datetime.timedelta):
return self._microseconds() / other._microseconds()
else:
return datetime.timedelta(0, 0, self._microseconds() /
other)
def __floordiv__(self, other):
if isinstance(other, datetime.timedelta):
return self._microseconds() // other._microseconds()
return NotImplemented
but why is a basic arithmetic operation missing from the standard
datetime module?
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