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upu_standards.py
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upu_standards.py
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# S10 UPU Standard
# https://en.wikipedia.org/wiki/S10_(UPU_standard)
# def gera_rastreio():
# from numpy.random import randint
# rnd_track = randint(10000000, 99999999)
# code = calc_check_digit(rnd_track)
# rastreio = 'OJ'+str(code)+'BR'
# return rastreio
def calc_check_digit(numbers):
weights = [8, 6, 4, 2, 3, 5, 9, 7]
splitted_numbers = []
for n in str(numbers):
splitted_numbers.append(int(n))
s = []
for n in range(len(weights)):
s.append((splitted_numbers[n]*weights[n]))
S = sum(s)
c = 11 - (S%11)
if c == 11:
c = 5
if c == 10:
c = 0
splitted_numbers.append(c)
code = ''
for n in splitted_numbers:
code += str(n)
return code
def check_code(code):
weights = [8, 6, 4, 2, 3, 5, 9, 7]
splitted_numbers = []
numbers = code[2:-3]
check_digit = code[-3]
for n in str(numbers):
splitted_numbers.append(int(n))
s = []
for n in range(len(weights)):
s.append((splitted_numbers[n]*weights[n]))
S = sum(s)
c = 11 - (S%11)
if c == 11:
c = 5
if c == 10:
c = 0
return int(check_digit) == int(c)
def crack_code(code):
prefix = code[:2]
origin = code[-2:]
first = code[2]
check = code[-3]
probable_codes = []
for i in range(0, 9999999):
try_code = str(i).zfill(7)
asbld_code = prefix+first+try_code+check+origin
if check_code(asbld_code):
probable_codes.append(asbld_code)
return probable_codes