Source code for signal_analog.errors

class SignalAnalogError(Exception):
    """Base exception for any invalid states in the Signal Analog library."""
    pass


class ResourceMatchNotFoundError(SignalAnalogError):
    """Resource not found error."""
    def __init__(self, resource_name):
        msg = 'Could not find an exact match for "{0}" in SignalFx.'
        super(ResourceMatchNotFoundError, self).__init__(
            msg.format(resource_name))


class ResourceAlreadyExistsError(SignalAnalogError):
    """Resource already exists error."""
    def __init__(self, name):
        # TODO this error message should be updated to add hints about a
        # --force option when it becomes implemented.
        error_msg = """
    A resource with the name "{0}" already exists.
    Unwilling to override. If you are creating a Dashboard you may try
    setting the `force` keyword argument to True to override this
    behavior.
        """
        super(ResourceAlreadyExistsError, self).__init__(
            error_msg.format(name))


class ResourceHasMultipleExactMatchesError(SignalAnalogError):
    """Resource has multiple matches error."""
    def __init__(self, dashboard_name):
        error_msg = """
    "{0}" has more than one exact match in SignalFx. Unwilling to choose a
    resource at random.
        """
        super(ResourceHasMultipleExactMatchesError, self).__init__(
            error_msg.format(dashboard_name))


class ProgramValidationError(SignalAnalogError):
    """Base exception for an invalid program in the Signal Analog library."""
    pass


class ProgramDoesNotPublishTimeseriesError(ProgramValidationError):
    def __init__(self, program):
        str_program = '\n\t'.join(map(str, program))
        error_msg = """
    The following program contains no publish statements, or does not appear to
    publish a useful timeseries.

        {0}

    Have you received this exception in error? File a bug at:
    https://github.com/Nike-inc/signal_analog/issues
""".format(str_program)

        super(ProgramDoesNotPublishTimeseriesError, self).__init__(error_msg)