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How to use _handle_control_tag method in avocado

Best Python code snippet using avocado_python

varianter_yaml_to_mux.py

Source:varianter_yaml_to_mux.py

...54        return55    if path[-1] != "/":56        path += "/"57    return path58def _handle_control_tag(path, node, value):59    """60    Handling of most YAML control tags (all but "!using")61    :param path: path on the YAML62    :type path: str63    :param node: the node in which to handle control tags64    :type node: instance of :class:`avocado.core.tree.TreeNode` or similar65    :param value: the value of the node66    """67    if value[0].code == YAML_INCLUDE:68        # Include file69        ypath = value[1]70        if not os.path.isabs(ypath):71            ypath = os.path.join(os.path.dirname(path), ypath)72        if not os.path.exists(ypath):73            raise ValueError(74                f"File '{ypath}' included from '{path}' " f"does not exist."75            )76        node.merge(_create_from_yaml("/:" + ypath))77    elif value[0].code in (YAML_REMOVE_NODE, YAML_REMOVE_VALUE):78        value[0].value = value[1]  # set the name79        node.ctrl.append(value[0])  # add "blue pill" of death80    elif value[0].code == YAML_MUX:81        node.multiplex = True82    elif value[0].code == YAML_FILTER_ONLY:83        new_value = _normalize_path(value[1])84        if new_value:85            node.filters[0].append(new_value)86    elif value[0].code == YAML_FILTER_OUT:87        new_value = _normalize_path(value[1])88        if new_value:89            node.filters[1].append(new_value)90def _handle_control_tag_using(path, name, using, value):91    """92    Handling of the "!using" YAML control tag93    :param path: path on the YAML94    :type path: str95    :param name: name to be applied in the "!using" tag96    :type name: str97    :param using: whether using is already being used98    :type using: bool99    :param value: the value of the node100    """101    if using:102        raise ValueError(f"!using can be used only once " f"per node! ({path}:{name})")103    using = value104    if using[0] == "/":105        using = using[1:]106    if using[-1] == "/":107        using = using[:-1]108    return using109def _apply_using(name, using, node):110    """111    Create the structure defined by "!using" and return the new root112    :param name: the tag name to have the "!using" applied to113    :type name: str114    :param using: the new location to put the tag into115    :type using: bool116    :param node: the node in which to handle control tags117    :type node: instance of :class:`avocado.core.tree.TreeNode` or similar118    """119    if name != "":120        for name in using.split("/")[::-1]:121            node = mux.MuxTreeNode(name, children=[node])122    else:123        using = using.split("/")[::-1]124        node.name = using.pop()125        while True:126            if not using:127                break128            name = using.pop()  # 'using' is list pylint: disable=E1101129            node = mux.MuxTreeNode(name, children=[node])130        node = mux.MuxTreeNode("", children=[node])131    return node132def _node_content_from_node(path, node, values, using):133    """Processes node values into the current node content"""134    for value in values:135        if isinstance(value, mux.MuxTreeNode):136            node.add_child(value)137        elif isinstance(value[0], mux.Control):138            if value[0].code == YAML_USING:139                using = _handle_control_tag_using(path, node.name, using, value[1])140            else:141                _handle_control_tag(path, node, value)142        elif isinstance(value[1], collections.OrderedDict):143            child = _tree_node_from_values(144                path, astring.to_text(value[0]), value[1], using145            )146            node.add_child(child)147        else:148            node.value[value[0]] = value[1]149    return using150def _node_content_from_dict(path, node, values, using):151    """Processes dict values into the current node content"""152    for key, value in values.items():153        if isinstance(key, mux.Control):154            if key.code == YAML_USING:155                using = _handle_control_tag_using(path, node.name, using, value)156            else:157                _handle_control_tag(path, node, [key, value])158        elif isinstance(value, collections.OrderedDict) or value is None:159            node.add_child(_tree_node_from_values(path, key, value, using))160        elif value == "null":161            node.value[key] = None162        else:163            node.value[key] = value164    return using165def _tree_node_from_values(path, name, values, using):166    """Create `name` node and add values"""167    # Initialize the node168    node = mux.MuxTreeNode(astring.to_text(name))169    if not values:170        return node171    using = ""...

__init__.py

Source:__init__.py

...70        return71    if path[-1] != '/':72        path += '/'73    return path74def _handle_control_tag(path, cls_node, node, value):75    """76    Handling of most YAML control tags (all but "!using")77    :param path: path on the YAML78    :type path: str79    :param cls_node: the class of the node80    :type cls_node: :class:`avocado.core.tree.TreeNode` or similar81    :param node: the node in which to handle control tags82    :type node: instance of :class:`avocado.core.tree.TreeNode` or similar83    :param value: the value of the node84    """85    if value[0].code == YAML_INCLUDE:86        # Include file87        ypath = value[1]88        if not os.path.isabs(ypath):89            ypath = os.path.join(os.path.dirname(path), ypath)90        if not os.path.exists(ypath):91            raise ValueError("File '%s' included from '%s' does not "92                             "exist." % (ypath, path))93        node.merge(_create_from_yaml('/:' + ypath, cls_node))94    elif value[0].code in (YAML_REMOVE_NODE, YAML_REMOVE_VALUE):95        value[0].value = value[1]   # set the name96        node.ctrl.append(value[0])    # add "blue pill" of death97    elif value[0].code == YAML_MUX:98        node.multiplex = True99    elif value[0].code == YAML_FILTER_ONLY:100        new_value = _normalize_path(value[1])101        if new_value:102            node.filters[0].append(new_value)103    elif value[0].code == YAML_FILTER_OUT:104        new_value = _normalize_path(value[1])105        if new_value:106            node.filters[1].append(new_value)107def _handle_control_tag_using(path, name, using, value):108    """109    Handling of the "!using" YAML control tag110    :param path: path on the YAML111    :type path: str112    :param name: name to be applied in the "!using" tag113    :type name: str114    :param using: whether using is already being used115    :type using: bool116    :param value: the value of the node117    """118    if using:119        raise ValueError("!using can be used only once per "120                         "node! (%s:%s)" % (path, name))121    using = value122    if using[0] == '/':123        using = using[1:]124    if using[-1] == '/':125        using = using[:-1]126    return using127def _apply_using(name, cls_node, using, node):128    """129    Create the structure defined by "!using" and return the new root130    :param name: the tag name to have the "!using" applied to131    :type name: str132    :param cls_node: the class of the node133    :type cls_node: :class:`avocado.core.tree.TreeNode` or similar134    :param using: the new location to put the tag into135    :type using: bool136    :param node: the node in which to handle control tags137    :type node: instance of :class:`avocado.core.tree.TreeNode` or similar138    """139    if name is not '':140        for name in using.split('/')[::-1]:141            node = cls_node(name, children=[node])142    else:143        using = using.split('/')[::-1]144        node.name = using.pop()145        while True:146            if not using:147                break148            name = using.pop()  # 'using' is list pylint: disable=E1101149            node = cls_node(name, children=[node])150        node = cls_node('', children=[node])151    return node152def _create_from_yaml(path, cls_node=mux.MuxTreeNode):153    """Create tree structure from yaml stream"""154    def tree_node_from_values(name, values):155        """Create `name` node and add values"""156        def node_content_from_node(node, values, using):157            """Processes node values into the current node content"""158            for value in values:159                if isinstance(value, cls_node):160                    node.add_child(value)161                elif isinstance(value[0], mux.Control):162                    if value[0].code == YAML_USING:163                        using = _handle_control_tag_using(path, name, using, value[1])164                    else:165                        _handle_control_tag(path, cls_node, node, value)166                elif isinstance(value[1], collections.OrderedDict):167                    child = tree_node_from_values(astring.to_text(value[0]),168                                                  value[1])169                    node.add_child(child)170                else:171                    node.value[value[0]] = value[1]172            return using173        def node_content_from_dict(node, values, using):174            """Processes dict values into the current node content"""175            for key, value in iteritems(values):176                if isinstance(key, mux.Control):177                    if key.code == YAML_USING:178                        using = _handle_control_tag_using(path, name, using, value)179                    else:180                        _handle_control_tag(path, cls_node, node, [key, value])181                elif (isinstance(value, collections.OrderedDict) or182                      value is None):183                    node.add_child(tree_node_from_values(key, value))184                else:185                    node.value[key] = value186            return using187        # Initialize the node188        node = cls_node(astring.to_text(name))189        if not values:190            return node191        using = ''192        # Fill the node content from parsed values193        if isinstance(values, dict):194            using = node_content_from_dict(node, values, using)...

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