error.py

"""Python exceptions
"""


class Error(Exception):
    def __init__(self, msg=None, errno=None):
        self.msg = msg
        self._full_msg = self.msg
        self.errno = errno

    def __str__(self):
        return self._full_msg


class Warning(Exception):
    """Exception raised for important warnings like data truncations while inserting.
    """
    pass


class InterfaceError(Error):
    """Exception raised for errors that are related to the database interface rather than the database itself.
    """
    pass


class DatabaseError(Error):
    """Exception raised for errors that are related to the database.
    """
    pass


class DataError(DatabaseError):
    """Exception raised for errors that are due to problems with the processed data like division by zero, numeric value out of range.
    """
    pass


class OperationalError(DatabaseError):
    """Exception raised for errors that are related to the database's operation and not necessarily under the control of the programmer
    """
    pass


class IntegrityError(DatabaseError):
    """Exception raised when the relational integrity of the database is affected.
    """
    pass


class InternalError(DatabaseError):
    """Exception raised when the database encounters an internal error.
    """
    pass


class ProgrammingError(DatabaseError):
    """Exception raised for programming errors.
    """
    pass


class NotSupportedError(DatabaseError):
    """Exception raised in case a method or database API was used which is not supported by the database,.
    """
    pass