How to use _get_class_components method in robotframework-pageobjects

Best Python code snippet using robotframework-pageobjects_python

base.py

Source:base.py

...257    def add(self, key, value):258        self[key] = value259class _ComponentsManagerMeta(KeywordGroupMetaClass):260    @classmethod261    def _get_class_components(cls, bases, classdict):262        def get_components(cdict, cbases):263            """264            Recursive function to merge ancestor classes' components into this one's.265            We start with the class being created, so klass is None. The266            """267            all_components = ComponentsDict()268            own_components = cdict.get("components", {})269            # Get all the components dicts defined by the bases270            base_dicts = [get_components(base.__dict__, base.__bases__) for base in cbases if hasattr(base, "components")]271            # Add the components for the bases to the return dict272            [all_components.merge(base_dict) for base_dict in base_dicts]273            # Update the return dict with this class's selectors, overriding the bases274            all_components.merge(own_components, from_subclass=True)275            return all_components276        return get_components(classdict, bases)277    @classmethod278    def _set_components(cls, components, classdict):279        """280        """281        def mkfnc_plural(klass):282            """283            Create closure to avoid changing value of component_class284            """285            return lambda self: self.get_instances(klass)286        def mkfnc_singular(klass):287            """288            Singular version of mkfnc_plural289            """290            return lambda self: self.get_instance(klass)291        classdict["components"] = components292        for component_class in components:293            # Loop through components for this class. Normalize each component name,294            # and create plural and singular versions.295            name = re.sub("component$", "", component_class.__name__.lower())296            plural_name = name+"s"297            singular_name = name298            # Then, if not already defined, assign each name as a property. If defined, raise a warning.299            if plural_name not in classdict:300                classdict[plural_name] = property(mkfnc_plural(component_class))301            if singular_name not in classdict:302                classdict[singular_name] = property(mkfnc_singular(component_class))303    def __new__(cls, name, bases, classdict):304        components = cls._get_class_components(bases, classdict)305        cls._set_components(components, classdict)306        return KeywordGroupMetaClass.__new__(cls, name, bases, classdict)307class _ComponentsManager(object):308    """309    """310    __metaclass__ = _ComponentsManagerMeta311    @not_keyword312    def get_instance(self, component_class):313        """ Gets a page component's instance.314        Use when you know you will be returning one315        instance of a component. If there are none on the page,316        returns None.317        :param component_class: The page component class318        """...

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