def method(self, other):
with context(UNPROXIFING_CONTEXT):
instance = self.expression
token = self.token
if IQueryPart.providedBy(other):
other = other.expression
if not inverse:
result = QueryPart(expression=operation(instance, other),
token=token)
else:
result = QueryPart(expression=operation(other, instance),
token=token)
return result
def method(self, other):
with context(UNPROXIFING_CONTEXT):
instance = self.expression
token = self.token
if IQueryPart.providedBy(other):
other = other.expression
if not inverse:
result = QueryPart(expression=operation(instance, other),
token=token)
else:
result = QueryPart(expression=operation(other, instance),
token=token)
return result
def test_plain_iter(self):
t1 = next(iter(this))
with context(UNPROXIFING_CONTEXT):
self.assertTrue(IQueryPart.providedBy(t1),
'When itering over a this instance we '
'should get an IQueryPart object')
t1 = next(parent for parent in this('parent'))
self.assertEquals('parent', unboxed(unboxed(t1)._expression).name,
'The name of the QueryBuilderToken should be '
'the same as the name of the actual instance')
t1 = next(parent for parent in this('parent').children)
self.assertEquals('children', unboxed(unboxed(t1)._expression).name,
'The name of the QueryBuilderToken should be '
'the same as the name of the actual instance')
def __iter__(self):
from types import GeneratorType
try:
result = super(new_meta, self).__iter__()
except AttributeError:
result = Unset
if isinstance(result, GeneratorType):
for item in result:
yield item
elif result is not Unset and IQueryPart.providedBy(result):
yield result
elif result is Unset:
from xotl.ql.expressions import is_instance
query_part = next(iter(this(name)))
is_instance(query_part, self)
yield query_part
else:
raise TypeError('Class {target} has a metaclass with an '
'__iter__ that does not support thesefy'
.format(target=target))
def __iter__(self):
from types import GeneratorType
try:
result = super(new_meta, self).__iter__()
except AttributeError:
result = Unset
if isinstance(result, GeneratorType):
for item in result:
yield item
elif result is not Unset and IQueryPart.providedBy(result):
yield result
elif result is Unset:
from xotl.ql.expressions import is_instance
query_part = next(iter(this(name)))
is_instance(query_part, self)
yield query_part
else:
raise TypeError(
'Class {target} has a metaclass with an '
'__iter__ that does not support thesefy'.format(
target=target))
def test_plain_iter(self):
t1 = next(iter(this))
with context(UNPROXIFING_CONTEXT):
self.assertTrue(
IQueryPart.providedBy(t1),
'When itering over a this instance we '
'should get an IQueryPart object')
t1 = next(parent for parent in this('parent'))
self.assertEquals(
'parent',
unboxed(unboxed(t1)._expression).name,
'The name of the QueryBuilderToken should be '
'the same as the name of the actual instance')
t1 = next(parent for parent in this('parent').children)
self.assertEquals(
'children',
unboxed(unboxed(t1)._expression).name,
'The name of the QueryBuilderToken should be '
'the same as the name of the actual instance')