Ignore changes in the amount of whitespace
Differences between version dated 2010-08-17 19:59:15 and 2011-08-31 21:12:05
Deletions are marked like this.
Additions are marked like this.
calls where the second argument is a constant, and ``type(x) is y`` expressions
where `y` is a constant::
>>> from peak.rules.criteria import Test, Signature, Classes
>>> from peak.rules.criteria import Test, Signature, Conjunction
>>> pe('isinstance(x,int)')
Test(IsInstance(Local('x')), Class(<type 'int'>, True))
Test(IsInstance(Local('x')), istype(<type 'str'>, False))
>>> pe('not isinstance(x,(int,(str,unicode)))') == Test(
... IsInstance(Local('x')), Classes([
... IsInstance(Local('x')), Conjunction([
... Class(unicode, False), Class(int, False), Class(str, False)])
... )
True
True
>>> pe('not issubclass(x,(int,(str,unicode)))') == Test(
... IsSubclass(Local('x')), Classes([
... IsSubclass(Local('x')), Conjunction([
... Class(unicode, False), Class(int, False), Class(str, False)])
... )
True
... lambda expr: Test(None, expr.value)
... )
<function <lambda> ...>
>>> expressionSignature(Const(priority(3)))
Test(None, 3)
Okay, let's try out our new condition::
