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Python 3 module for working with credit card numbers

creditcard 최신버젼 다운로드

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# CreditCard

CreditCard is a Python 3 module which can validate, generate and determine the format of credit card numbers using the Luhn algorithm.

## Getting Started

To import the module add the following to your python file:

#### Luhn (Generator and Validator)
    from creditcard import luhn
#### Formatter
    from creditcard.formatter import Formatter
    formatter = Formatter()

### Validator
The validator can be used to validate credit cards and calculate the Luhn check digit for a given number.

#### Validate
To validate a credit card number:

luhn.is_valid(number)

`number` is a string or integer which is the credit card number.

To calculate the Luhn check digit for a particular number:

luhn.calculate_check_digit(number)

Again, `number` is a string or integer. For this method, however, it is a partial credit card number. This method will return the check digit, which is the last digit of the card number, as an integer.

### Generator
To generate a valid credit card number:

luhn.generate(length)

This method will return a valid credit card number as a string.

### Formatter
To check whether a number matches the format of a specified type of credit card use the following methods:

The following card number formats can be detected:

+ visa
+ visa electron
+ mastercard
+ amex (american express)
+ maestro
+ discover

A card number can be checked to be in one of these formats by using the method `formatter.is_format(number)`, where format is the format you are checking.

Each of these method will return `True` or `False` depending on whether the given number
`n` matches the format tested. As with the Validator and Generator, `n` can be
either a string or an integer.

To check if the number matches any of the formats you can use the method `formatter.get_format(number)` which will return a list of all the formats that the number complies with. If the number is determined to not be any of the above formats then an empty list will be returned.

creditcard

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