Generating random string encoded in base32 with Python
| import base64 | |
| import random | |
| def generate_16char_base32(pre): | |
| """ | |
| Encode a string of 16 length in base32 | |
| with a given string - maximum length of 10 chars - | |
| Note: 10 char = 16 char string in base32 | |
| Warning: Decoding is not a part of this example | |
| since it adds a random integer to the end of string | |
| """ | |
| prefix = unicode(pre) | |
| prefix_len = len(prefix) | |
| if prefix_len > 10: | |
| return None | |
| remaining = 10 - prefix_len | |
| random_int_str = '' | |
| if remaining != 0: | |
| random_from = 10 ** (remaining-1) | |
| random_to = (10 ** remaining) - 1 | |
| random_int = random.randint(random_from, random_to) | |
| random_int_str = unicode(random_int) | |
| str_to_encode = prefix + random_int_str | |
| encoded_str = base64.b32encode(str_to_encode) | |
| return encoded_str | |
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