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How to use _mapping_to_tree_loader method in avocado

Best Python code snippet using avocado_python

__init__.py

Source:__init__.py

...178    # Prefix nodes if tag "!using" was used179    if using:180        node = _apply_using(name, using, node)181    return node182def _mapping_to_tree_loader(loader, node, looks_like_node=False):183    """Maps yaml mapping tag to TreeNode structure"""184    _value = []185    for key_node, value_node in node.value:186        # Allow only strings as dict keys187        if key_node.tag.startswith('!'):    # reflect tags everywhere188            key = loader.construct_object(key_node)189        else:190            key = loader.construct_scalar(key_node)191        # If we are to keep them, use following, but we lose the control192        # for both, nodes and dicts193        # key = loader.construct_object(key_node)194        if isinstance(key, mux.Control):195            looks_like_node = True196        value = loader.construct_object(value_node)197        if isinstance(value, ListOfNodeObjects):198            looks_like_node = True199        _value.append((key, value))200    if not looks_like_node:201        return collections.OrderedDict(_value)202    objects = ListOfNodeObjects()203    for name, values in _value:204        if isinstance(values, ListOfNodeObjects):   # New node from list205            objects.append(_tree_node_from_values(loader.path, name,206                                                  values, loader.using))207        elif values is None:            # Empty node208            objects.append(mux.MuxTreeNode(astring.to_text(name)))209        else:                           # Values210            objects.append((name, values))211    return objects212def _mux_loader(loader, node):213    """214    Special !mux loader which allows to tag node as 'multiplex = True'.215    """216    if not isinstance(node, yaml.ScalarNode):217        objects = _mapping_to_tree_loader(loader, node, looks_like_node=True)218    else:   # This means it's empty node. Don't call mapping_to_tree_loader219        objects = ListOfNodeObjects()220    objects.append((mux.Control(YAML_MUX), None))221    return objects222class _BaseLoader(SafeLoader):223    """224    YAML loader with additional features related to mux225    """226    SafeLoader.add_constructor(u'!include',227                               lambda *_: mux.Control(YAML_INCLUDE))228    SafeLoader.add_constructor(u'!using',229                               lambda *_: mux.Control(YAML_USING))230    SafeLoader.add_constructor(u'!remove_node',231                               lambda *_: mux.Control(YAML_REMOVE_NODE))...

varianter_yaml_to_mux.py

Source:varianter_yaml_to_mux.py

...177    # Prefix nodes if tag "!using" was used178    if using:179        node = _apply_using(name, using, node)180    return node181def _mapping_to_tree_loader(loader, node, looks_like_node=False):182    """Maps yaml mapping tag to TreeNode structure"""183    _value = []184    for key_node, value_node in node.value:185        # Allow only strings as dict keys186        if key_node.tag.startswith("!"):  # reflect tags everywhere187            key = loader.construct_object(key_node)188        else:189            key = loader.construct_scalar(key_node)190        # If we are to keep them, use following, but we lose the control191        # for both, nodes and dicts192        # key = loader.construct_object(key_node)193        if isinstance(key, mux.Control):194            looks_like_node = True195        value = loader.construct_object(value_node)196        if isinstance(value, ListOfNodeObjects):197            looks_like_node = True198        _value.append((key, value))199    if not looks_like_node:200        return collections.OrderedDict(_value)201    objects = ListOfNodeObjects()202    for name, values in _value:203        if isinstance(values, ListOfNodeObjects):  # New node from list204            objects.append(205                _tree_node_from_values(loader.path, name, values, loader.using)206            )207        elif values is None:  # Empty node208            objects.append(mux.MuxTreeNode(astring.to_text(name)))209        elif values == "null":210            objects.append((name, None))211        else:  # Values212            objects.append((name, values))213    return objects214def _mux_loader(loader, node):215    """216    Special !mux loader which allows to tag node as 'multiplex = True'.217    """218    if not isinstance(node, yaml.ScalarNode):219        objects = _mapping_to_tree_loader(loader, node, looks_like_node=True)220    else:  # This means it's empty node. Don't call mapping_to_tree_loader221        objects = ListOfNodeObjects()222    objects.append((mux.Control(YAML_MUX), None))223    return objects224class _BaseLoader(SafeLoader):225    """226    YAML loader with additional features related to mux227    """228    SafeLoader.add_constructor("!include", lambda *_: mux.Control(YAML_INCLUDE))229    SafeLoader.add_constructor("!using", lambda *_: mux.Control(YAML_USING))230    SafeLoader.add_constructor("!remove_node", lambda *_: mux.Control(YAML_REMOVE_NODE))231    SafeLoader.add_constructor(232        "!remove_value", lambda *_: mux.Control(YAML_REMOVE_VALUE)233    )...

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