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from testutils import assertRaises
# Test global and nonlocal funkyness
a = 2
def b():
global a
a = 4
assert a == 2
b()
assert a == 4
def x():
def y():
nonlocal b
b = 3
b = 2
y()
return b
res = x()
assert res == 3, str(res)
# Invalid syntax:
src = """
b = 2
global b
"""
with assertRaises(SyntaxError):
exec(src)
# Invalid syntax:
src = """
nonlocal c
"""
with assertRaises(SyntaxError):
exec(src)
# Invalid syntax:
src = """
def f():
def x():
nonlocal c
c = 2
"""
with assertRaises(SyntaxError):
exec(src)
# class X:
# nonlocal c
# c = 2