from django.core.exceptions import ImproperlyConfigured


class UnableToAuthenticateException(Exception):
    pass


class UnableToCompleteRequestException(Exception):
    pass


class MarketoImproperlyConfigured(ImproperlyConfigured):
    def __init__(self, *args, **kwargs):
        self._missing_setting = (args or [None])[0]
        super(MarketoImproperlyConfigured, self).__init__(
            self, *args, **kwargs)

    def __str__(self):
        return "{0} does not appear to be set.".format(self._missing_setting)


class UnknownActivityTypeException(Exception):
    pass


class InvalidActivityDateException(Exception):
    pass