Decs 
A handful of useful general-purpose python decorators.
Installing
$ pip install decs
How to use
Verify functions inputs and outputs types:
from decs import accepts, returns
@returns(str)
@accepts(str)
def my_print(string):
print(string)
return string
Verify methods inputs and outputs types:
from decs import accepts, returns
class SomeClass:
@returns(float)
@accepts('self', int, float)
def class_method(self, int_arg, float_arg):
return int_arg + float_arg
Repeat test case N times:
from decs import repeat
N = 42
@repeat(N)
def test_something(arg):
pass
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