Current File : /opt/alt/python311/lib/python3.11/site-packages/validators//encoding.py
"""Encoding."""
# standard
import re
# local
from .utils import validator
@validator
def base58(value: str, /):
"""Return whether or not given value is a valid base58 encoding.
Examples:
>>> base58('14pq6y9H2DLGahPsM4s7ugsNSD2uxpHsJx')
# Output: True
>>> base58('cUSECm5YzcXJwP')
# Output: ValidationError(func=base58, args={'value': 'cUSECm5YzcXJwP'})
Args:
value:
base58 string to validate.
Returns:
(Literal[True]): If `value` is a valid base58 encoding.
(ValidationError): If `value` is an invalid base58 encoding.
"""
return re.match(r"^[1-9A-HJ-NP-Za-km-z]+$", value) if value else False
@validator
def base64(value: str, /):
"""Return whether or not given value is a valid base64 encoding.
Examples:
>>> base64('Y2hhcmFjdGVyIHNldA==')
# Output: True
>>> base64('cUSECm5YzcXJwP')
# Output: ValidationError(func=base64, args={'value': 'cUSECm5YzcXJwP'})
Args:
value:
base64 string to validate.
Returns:
(Literal[True]): If `value` is a valid base64 encoding.
(ValidationError): If `value` is an invalid base64 encoding.
"""
return (
re.match(r"^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$", value)
if value
else False
)
