def find_controller(self, controller):
        """Locates a controller by attempting to import it then grab
        the SomeController instance from the imported module.

        Controller name is assumed to be a module in the controllers
        directory unless it contains a '.' or ':' which is then assumed
        to be a dotted path to the module and name of the controller
        object.

        Override this to change how the controller object is found once
        the URL has been resolved.

        """
        # If this isn't a basestring, its an object, assume that its the
        # proper instance to begin with
        if not isinstance(controller, basestring):
            return controller

        # Check to see if we've cached the class instance for this name
        if controller in self.controller_classes:
            return self.controller_classes[controller]

        # Check to see if its a dotted name
        if controller in '.' or ':' in controller:
            mycontroller = pkg_resources.EntryPoint.parse(
                'x=%s' % controller).load(False)
            self.controller_classes[controller] = mycontroller
            return mycontroller

        # Pull the controllers class name, import controller
        full_module_name = self.package_name + '.controllers.' \
            + controller.replace('/', '.')

        # Hide the traceback here if the import fails (bad syntax and such)
        __traceback_hide__ = 'before_and_this'

        __import__(full_module_name)
        if hasattr(sys.modules[full_module_name], '__controller__'):
            mycontroller = getattr(sys.modules[full_module_name],
                sys.modules[full_module_name].__controller__)
        else:
            module_name = controller.split('/')[-1]
            class_name = class_name_from_module_name(module_name) + 'Controller'
            if self.log_debug:
                log.debug("Found controller, module: '%s', class: '%s'",
                          full_module_name, class_name)
            mycontroller = getattr(sys.modules[full_module_name], class_name)
        self.controller_classes[controller] = mycontroller
        return mycontroller
dataset/ETHPy150Open Pylons/pylons/pylons/wsgiapp.py/PylonsApp.find_controller/swapped operands of `in`