def test_2():
hist = History()
Pillar = pillar_class(str)
a = Pillar(hist)
def f1():
nonlocal a
print(201, a)
g = hist.bound(f2, [(a, 'B')])()
for r0, r1 in g:
print('%s $ %d-%s' % (a._this_object, r0, r1))
# print(g.close)
# g.close()
if r0 == 103:
break
print(202, a)
def f2():
nonlocal a
for i in range(5):
yield i + 100, str(a._this_object)
# raise ValueError()
print(101, a)
hist.bound(f1, [(a, 'A')])()
print(102, a)
def test_1():
hist = History()
Pillar = pillar_class(str)
a = Pillar(hist)
def f1():
nonlocal a
print(201, a)
hist.bound(f2, [(a, 'B')])()
print(202, a)
def f2():
nonlocal a
print(300, a)
print(101, a)
hist.bound(f2, [(a, 'A')])()
print(102, a)
def test_3():
hist = History()
StrPillar = pillar_class(str)
a = StrPillar(hist)
target_obj = None
def f():
nonlocal a, target_obj
print(201, a)
assert a == target_obj
f1 = hist.bound(f, [(a, 'A1')])
f2 = hist.bound(f, [(a, 'A2')])
print(101, a)
target_obj = 'A1'
f1()
print(102, a)
print(101, a)
target_obj = 'A2'
f2()
print(102, a)
