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import random
import secrets
import string
POP = string.ascii_letters + string.digits
def generate(length: int = 1) -> str:
"""Generates a pseudo-random string of alphanumeric characters of the given
length. If no length is specified, a single character is returned.
Args:
length (:obj:`int`, optional): Desired string length. Defaults to 1.
Returns:
str: A pseudo-random alphanumeric string.
Examples:
>>> print(alphanum.generate())
'G'
>>> print(alphanum.generate(10))
'a93jfDjdA0'
"""
return ''.join(random.SystemRandom().choices(POP, k=length))
def generate_s(length: int = 1) -> str:
"""Generates a cryptographically strong random string of alphanumeric
characters of the given length. If no length is specified, a single
character is returned.
Args:
length (:obj:`int`, optional): Desired string length. Defaults to 1.
Returns:
str: A random alphanumeric string.
Examples:
>>> print(alphanum.generate_s())
'5'
>>> print(alphanum.generate_s(10))
't3g0Gh9Naj'
"""
return ''.join(secrets.SystemRandom().choice(POP) for i in range(length))
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