OpenIBAN is a generic library for interacting with various (currently only openiban.com) IBAN providers.
Off line IBAN validation
from openibanlib import openiban
# By trying to initialize an IBAN object
>>> try:
openiban.IBAN('DE89370400440532013000')
except IBANFormatValidationException:
print("Invalid IBAN provided")
# Or using a static method
>>> openiban.IBAN.format_validate('DE89370400440532013000')
True
...On line (using an IBAN provider) validation
from openibanlib.providers.OpenIBAN import OpenIBAN
...To install simply (coming soon):
$ pip install openiban-lib