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a type constraint tool for python function

Project description


- **Simple**

from type_constraint import BasicCheck, CheckMeta, Check

class A:
__metaclass__ = CheckMeta()
def f(self, i, j):
@param i str
@param j str
return i + j

a = A()
a f('1', '2')
result is:

def test_func(i, j):
this is a test function for type constraint

@param i int :this is the first operand
@param j float :this is the second operand

@return float
return i / j

test_func(3, 1 1)
result is:
2 72727272727

test_func(3, 4)
result is:
TypeError: argument:j should be <type 'float'>, not <type 'int'>

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