def _dtype(self):
lmeasure = discover(self.lhs).measure
lty = getattr(lmeasure, 'ty', lmeasure)
rmeasure = discover(self.rhs).measure
rty = getattr(rmeasure, 'ty', rmeasure)
if lty == datetime_:
if isinstance(rty, DateTime):
return optionify(lmeasure, rmeasure, timedelta_)
if isinstance(rty, TimeDelta):
return optionify(lmeasure, rmeasure, datetime_)
else:
raise TypeError(
'can only subtract timedelta or datetime from datetime', )
return super(Sub, self)._dtype
def _dtype(self):
lmeasure = discover(self.lhs).measure
rmeasure = discover(self.rhs).measure
if not (isinstance(getattr(lmeasure, 'ty', lmeasure), String)):
raise TypeError('can only interp strings got: %s' % lmeasure)
return optionify(lmeasure, rmeasure, lmeasure)
def _dtype(self):
lhs, rhs = discover(self.lhs).measure, discover(self.rhs).measure
is_unsigned = lhs in unsigned and rhs in unsigned
max_width = max(lhs.itemsize, rhs.itemsize)
prefix = 'u' if is_unsigned else ''
measure = getattr(ct, '%sint%d' % (prefix, max_width * 8))
return optionify(lhs, rhs, measure)
def _dtype(self):
lmeasure = discover(self.lhs).measure
rmeasure = discover(self.rhs).measure
if not (isinstance(getattr(lmeasure, 'ty', lmeasure), String)):
raise TypeError('can only interp strings got: %s' % lmeasure)
return optionify(lmeasure, rmeasure, lmeasure)
def _dtype(self):
lhs, rhs = discover(self.lhs).measure, discover(self.rhs).measure
is_unsigned = lhs in unsigned and rhs in unsigned
max_width = max(lhs.itemsize, rhs.itemsize)
prefix = 'u' if is_unsigned else ''
measure = getattr(ct, '%sint%d' % (prefix, max_width * 8))
return optionify(lhs, rhs, measure)
def _dtype(self):
lmeasure = discover(self.lhs).measure
lty = getattr(lmeasure, 'ty', lmeasure)
rmeasure = discover(self.rhs).measure
rty = getattr(rmeasure, 'ty', rmeasure)
if lty == datetime_:
if isinstance(rty, DateTime):
return optionify(lmeasure, rmeasure, timedelta_)
if isinstance(rty, TimeDelta):
return optionify(lmeasure, rmeasure, datetime_)
else:
raise TypeError(
'can only subtract timedelta or datetime from datetime',
)
return super(Sub, self)._dtype
def _dtype(self):
lmeasure = discover(self.lhs).measure
rmeasure = discover(self.rhs).measure
if not (isinstance(getattr(lmeasure, 'ty', lmeasure), String)
and getattr(rmeasure, 'ty', rmeasure) in integral):
raise TypeError(
'can only repeat strings by an integer amount, got: %s * %s' %
(lmeasure, rmeasure), )
return optionify(lmeasure, rmeasure, lmeasure)
def _dtype(self):
lmeasure = discover(self.lhs).measure
rmeasure = discover(self.rhs).measure
if not (isinstance(getattr(lmeasure, 'ty', lmeasure), String) and
getattr(rmeasure, 'ty', rmeasure) in integral):
raise TypeError(
'can only repeat strings by an integer amount, got: %s * %s' %
(lmeasure, rmeasure),
)
return optionify(lmeasure, rmeasure, lmeasure)
def _dtype(self):
lmeasure = discover(self.lhs).measure
lty = getattr(lmeasure, 'ty', lmeasure)
rmeasure = discover(self.rhs).measure
rty = getattr(rmeasure, 'ty', rmeasure)
if lmeasure == datetime_ and rmeasure == datetime_:
raise TypeError('cannot add datetime to datetime')
l_is_datetime = lty == datetime_
if l_is_datetime or rty == datetime_:
if l_is_datetime:
other = rty
else:
other = lty
if isinstance(other, TimeDelta):
return optionify(lmeasure, rmeasure, datetime_)
else:
raise TypeError('can only add timedeltas to datetimes', )
return super(Add, self)._dtype
def _dtype(self):
lmeasure = discover(self.lhs).measure
lty = getattr(lmeasure, 'ty', lmeasure)
rmeasure = discover(self.rhs).measure
rty = getattr(rmeasure, 'ty', rmeasure)
if lmeasure == datetime_ and rmeasure == datetime_:
raise TypeError('cannot add datetime to datetime')
l_is_datetime = lty == datetime_
if l_is_datetime or rty == datetime_:
if l_is_datetime:
other = rty
else:
other = lty
if isinstance(other, TimeDelta):
return optionify(lmeasure, rmeasure, datetime_)
else:
raise TypeError(
'can only add timedeltas to datetimes',
)
return super(Add, self)._dtype
def test_option_in_parent():
x = int64
y = Option(float32)
z = optionify(x, y, y)
assert z == y
def _dtype(self):
lhs, rhs = discover(self.lhs).measure, discover(self.rhs).measure
return optionify(lhs, rhs, ct.float64)
def _dtype(self):
lhs, rhs = discover(self.lhs).measure, discover(self.rhs).measure
return optionify(lhs, rhs, ct.float64)
