import sys

def check(obj, cls=None):
	if cls is None:
		cls = type(obj)
	try:
		raise obj
	except str(obj):
		print "caught by identity as:", cls, obj
	except cls, obj:
		print "caught as:", cls, obj
	except:
		print "not caught"
	else:
		print "no exception"
	print "exc_info %r" % (sys.exc_info(), )
	print "exc_type %r" % (sys.exc_type, )
	print

class newint(int):
	pass
class newstr(str):
	pass

check(42)
check(newint(43))
check(newint(43), int)
check(44L)
check(45.)
check(46j)
check(object())
check(())
check((47,))
check([])
check({})
check("foo")
check(newstr("foo"))
check(newstr("foo"), str)
check(u"bar")
check(int)
check(type)