def __rpow__(self, other):
'''
>>> 1 ** this # doctest: +ELLIPSIS
<expression '1**this' ...>
'''
from xotl.ql.expressions import pow_
return pow_(other, self)
def __pow__(self, other):
'''
>>> this**1 # doctest: +ELLIPSIS
<expression 'this**1' ...>
'''
from xotl.ql.expressions import pow_
return pow_(self, other)
def __rpow__(self, other):
'''
>>> 1 ** this # doctest: +ELLIPSIS
<expression '1**this' ...>
'''
from xotl.ql.expressions import pow_
return pow_(other, self)
def __pow__(self, other):
'''
>>> this**1 # doctest: +ELLIPSIS
<expression 'this**1' ...>
'''
from xotl.ql.expressions import pow_
return pow_(self, other)
def test_expression(self):
from xotl.ql.expressions import (count, ExpressionTree, or_, and_,
pow_, lt, eq, add)
expr = ((q(1) < 3) & (1 == q("1")) |
(q("a") + q("b") ** 2 == q("x") + count("y")))
expected = or_(and_(lt(1, 3), eq(1, "1")),
eq(add("a", pow_("b", 2)), add("x", count("y"))))
self.assertIsInstance(expr, ExpressionTree)
with context(UNPROXIFING_CONTEXT):
self.assertTrue(expr == expected, "%s ---- %s" % (expected, expr))
def test_expression(self):
from xotl.ql.expressions import (count, ExpressionTree, or_, and_,
pow_, lt, eq, add)
expr = ((q(1) < 3) & (1 == q("1")) |
(q("a") + q("b")**2 == q("x") + count("y")))
expected = or_(and_(lt(1, 3), eq(1, "1")),
eq(add("a", pow_("b", 2)), add("x", count("y"))))
self.assertIsInstance(expr, ExpressionTree)
with context(UNPROXIFING_CONTEXT):
self.assertTrue(expr == expected, "%s ---- %s" % (expected, expr))