Answers for "validaçao cnpj python"

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validaçao cnpj python

1 class Cnpj:
   2     def __init__( self ):
   3         """
   4         Class to interact with Cnpj brazilian numbers
   5         """
   6         pass
   7         
   8     def validate( self, cnpj ):
   9         """ 
  10         Method to validate brazilian cnpjs
  11         Tests:
  12         
  13         >>> print Cnpj().validate('61882613000194')
  14         True
  15         >>> print Cnpj().validate('61882613000195')
  16         False
  17         >>> print Cnpj().validate('53.612.734/0001-98')
  18         True
  19         >>> print Cnpj().validate('69.435.154/0001-02')
  20         True
  21         >>> print Cnpj().validate('69.435.154/0001-01')
  22         False
  23         """
  24         # defining some variables
  25         lista_validacao_um = [5, 4, 3, 2, 9, 8, 7, 6, 5, 4 , 3, 2]
  26         lista_validacao_dois = [6, 5, 4, 3, 2, 9, 8, 7, 6, 5, 4, 3, 2]
  27         
  28         # cleaning the cnpj
  29         cnpj = cnpj.replace( "-", "" )
  30         cnpj = cnpj.replace( ".", "" )
  31         cnpj = cnpj.replace( "/", "" )
  32     
  33         # finding out the digits
  34         verificadores = cnpj[-2:]
  35         
  36         # verifying the lenght of the cnpj
  37         if len( cnpj ) != 14:
  38             return False
  39         
  40         # calculating the first digit
  41         soma = 0
  42         id = 0
  43         for numero in cnpj:
  44             
  45             # to do not raise indexerrors
  46             try:
  47                 lista_validacao_um[id]
  48             except:
  49                 break
  50                 
  51             soma += int( numero ) * int( lista_validacao_um[id] )
  52             id += 1
  53         
  54         soma = soma % 11
  55         if soma < 2:
  56             digito_um = 0
  57         else:
  58             digito_um = 11 - soma
  59         
  60         digito_um = str( digito_um ) # converting to string, for later comparison
  61         
  62         # calculating the second digit
  63         # suming the two lists
  64         soma = 0
  65         id = 0
  66         
  67         # suming the two lists
  68         for numero in cnpj:
  69             
  70             # to do not raise indexerrors
  71             try:
  72                 lista_validacao_dois[id]
  73             except:
  74                 break
  75             
  76             soma += int( numero ) * int( lista_validacao_dois[id] )
  77             id += 1
  78         
  79         # defining the digit
  80         soma = soma % 11
  81         if soma < 2:
  82             digito_dois = 0
  83         else:
  84             digito_dois = 11 - soma
  85         
  86         digito_dois = str( digito_dois )
  87     
  88         # returnig
  89         return bool( verificadores == digito_um + digito_dois )
  90 
  91     def format( self, cnpj ):
  92         """
  93         Method to format cnpj numbers.
  94         Tests:
  95         
  96         >>> print Cnpj().format('53612734000198')
  97         53.612.734/0001-98
  98         """
  99         return "%s.%s.%s/%s-%s" % ( cnpj[0:2], cnpj[2:5], cnpj[5:8], cnpj[8:12], cnpj[12:14] )
 100 
 101 # tests
 102 #import doctest; doctest.testmod()
Posted by: Guest on April-22-2021

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