validators/src/validators/encoding.py at 0.29.0 · python-validators/validators · GitHub

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"""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

)

validators/src/validators/encoding.py at 0.29.0 · python-validators/validators · GitHub

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