81ac05cfd756e6c43261660b5c6bfb44703ebe36,brian2/stateupdaters/base.py,StateUpdateMethod,determine_stateupdater,#Any#Any#Any#,111

Before Change

            logger.info("Using manually specified state updater: %r" % method)
            return method
        
        if method is not None:
            method = method.lower()  // normalize name to lower case
            stateupdater = None
            for name, registered_stateupdater in StateUpdateMethod.stateupdaters:
                if name == method:
                    stateupdater = registered_stateupdater
                    break
            if stateupdater is None:
                raise ValueError("No state updater with the name "%s" "
                                 "is known" % method)
            if not stateupdater.can_integrate(equations, variables):
                raise ValueError(("The state updater "%s" cannot be used for "
                                  "the given equations" % method))
            return stateupdater

        // determine the best suitable state updater
        best_stateupdater = None
        for name, stateupdater in StateUpdateMethod.stateupdaters:
            try:
                if stateupdater.can_integrate(equations, variables):
                    best_stateupdater = (name, stateupdater)
                    break
            except KeyError:
                logger.debug(("It could not be determined whether state "
                             "updater "%s" is able to integrate the equations, "

After Change

            return stateupdater
        elif isinstance(method, collections.Iterable):
            for name in method:
                if name not in StateUpdateMethod.stateupdaters:
                    logger.warn("No state updater with the name "%s" "
                                "is known" % name, "unkown_stateupdater")
                else:
                    stateupdater = StateUpdateMethod.stateupdaters[name]
                    try:
                        if stateupdater.can_integrate(equations, variables):
                            logger.info("Using stateupdater "%s"" % name)
                            return stateupdater
                    except KeyError:
                        logger.debug(("It could not be determined whether state "
                                      "updater "%s" is able to integrate the equations, "
                                      "it appears the namespace is not yet complete."
                                      % name))

            raise ValueError(("No stateupdater that is suitable for the given "
                              "equations has been found"))

Instances