congress.exception module¶

Congress base exception handling.

exception congress.exception.BadConfig(message=None, **kwargs)¶

Bases: congress.exception.BadRequest

exception congress.exception.BadRequest(message=None, **kwargs)¶

Bases: congress.exception.CongressException

code = 400¶

msg_fmt = 'Bad request'¶

exception congress.exception.Conflict(message=None, **kwargs)¶

Bases: congress.exception.CongressException

code = 409¶

msg_fmt = 'Conflict'¶

exception congress.exception.CongressException(message=None, **kwargs)¶

Bases: Exception

Base Congress Exception

To correctly use this class, inherit from it and define a ‘msg_fmt’ property. That msg_fmt will get printf’d with the keyword arguments provided to the constructor.

code = 500¶

format_message()¶

headers = {}¶

msg_fmt = 'An unknown exception occurred.'¶

safe = False¶

exception congress.exception.DanglingReference(message=None, **kwargs)¶

Bases: congress.exception.Conflict

exception congress.exception.DataServiceError¶

Bases: Exception

exception congress.exception.DataSourceConfigException¶

Bases: Exception

exception congress.exception.DatabaseDataError(message=None, **kwargs)¶

Bases: congress.exception.BadRequest

msg_fmt = 'Database backend experienced a data error. E.g. value out of range, text string too long.'¶

exception congress.exception.DatabaseError(message=None, **kwargs)¶

Bases: congress.exception.CongressException

msg_fmt = 'Database backend experienced an unknown error.'¶

exception congress.exception.DatasourceCreationError(message=None, **kwargs)¶

Bases: congress.exception.BadConfig

msg_fmt = 'Datasource could not be created on the DSE: %(value)s'¶

exception congress.exception.DatasourceDriverException(message=None, **kwargs)¶

Bases: congress.exception.CongressException

exception congress.exception.DatasourceNameInUse(message=None, **kwargs)¶

Bases: congress.exception.Conflict

msg_fmt = 'Datasource already in use with name %(value)s'¶

exception congress.exception.DatasourceNotFound(message=None, **kwargs)¶

Bases: congress.exception.NotFound

msg_fmt = 'Datasource not found %(id)s'¶

exception congress.exception.DriverNotFound(message=None, **kwargs)¶

Bases: congress.exception.NotFound

msg_fmt = 'Driver not found %(id)s. Either not supported or disabled by deployer in Congress config'¶

exception congress.exception.DuplicateTableName¶

Bases: Exception

exception congress.exception.Forbidden(message=None, **kwargs)¶

Bases: congress.exception.CongressException

code = 403¶

msg_fmt = 'Not authorized.'¶

exception congress.exception.IncompleteSchemaException(message=None, **kwargs)¶

Bases: congress.exception.CongressException

exception congress.exception.InvalidDatasourceName(message=None, **kwargs)¶

Bases: congress.exception.BadConfig

msg_fmt = 'Datasource name %(value) is invalid. Cannot be empty or start with underscore. Must be valid in policy language'¶

exception congress.exception.InvalidDriver(message=None, **kwargs)¶

Bases: congress.exception.BadConfig

msg_fmt = 'Invalid driver: %(driver)s'¶

exception congress.exception.InvalidDriverOption(message=None, **kwargs)¶

Bases: congress.exception.BadConfig

msg_fmt = 'Invalid driver options: %(invalid_options)s'¶

exception congress.exception.InvalidParamException¶

Bases: Exception

exception congress.exception.InvalidPolicyInput(message=None, **kwargs)¶

Bases: congress.exception.BadRequest

msg_fmt = 'Input policy item violates schema.'¶

exception congress.exception.InvalidTranslationType¶

Bases: Exception

exception congress.exception.LazyTable(message=None, **kwargs)¶

Bases: congress.exception.BadRequest

msg_fmt = 'table %(lazy_table)s is a lazy table and is not subscribed.'¶

exception congress.exception.MissingRequiredConfigOptions(message=None, **kwargs)¶

Bases: congress.exception.BadConfig

msg_fmt = 'Missing required config options: %(missing_options)s'¶

exception congress.exception.NotFound(message=None, **kwargs)¶

Bases: congress.exception.CongressException

code = 404¶

msg_fmt = 'Resource not found.'¶

exception congress.exception.PolicyException(msg=None, obj=None, line=None, col=None, name=None, data=None, **kwargs)¶

Bases: congress.exception.CongressException

exception congress.exception.PolicyNotAuthorized(message=None, **kwargs)¶

Bases: congress.exception.Forbidden

msg_fmt = "Policy doesn't allow %(action)s to be performed."¶

exception congress.exception.PolicyRuntimeException(message=None, **kwargs)¶

Bases: congress.exception.CongressException

exception congress.exception.RpcTargetNotFound(message=None, **kwargs)¶

Bases: congress.exception.NotFound

exception congress.exception.Unavailable(message=None, **kwargs)¶

Bases: congress.exception.CongressException

code = 503¶

msg_fmt = 'Service Unavailable.'¶