In [1]:

    

import pint as pn
import inspect


    

In [2]:

    

print(inspect.getsource(pn.floattools.stringtofraction))


    

    




def stringtofraction(arg):
    if math.floor(float(arg)) != math.ceil(float(arg)):
        arg_up, arg_down = arg.split(".")
        ans = fractions.Fraction(0, 1)
        for i in range(0, len(arg_down)):
            ans += fractions.Fraction(int(arg_down[i]), 10 ** (i + 1))
        ans += fractions.Fraction(int(arg_up), 1)
    else:
        ans = fractions.Fraction(int(arg), 1)
    return ans

In [3]:

    

a = pn.floattools.stringtofraction("0.1")


    

In [4]:

    

print(a)


    

    




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