from __future__ import unicode_literals


class BaseCommonException(Exception):
    """
    Base exception for the common app
    """
    pass


class ActionError(BaseCommonException):
    """
    Raise by the MultiActionConfirmView to announce when the object action
    failed for one or more items.  This exception doesn't stop the iteration,
    it is used to announce that one item in the queryset failed to process.
    """


class NotLatestVersion(BaseCommonException):
    """
    The installed version is not the latest available version
    """
    def __init__(self, upstream_version):
        self.upstream_version = upstream_version


class UnknownLatestVersion(BaseCommonException):
    """
    It is not possible to determine what is the latest upstream version.
    """


class NPMException(BaseCommonException):
    """Base exception for the NPM registry client"""


class NPMPackgeIntegrityError(NPMException):
    """Hash mismatch exception"""