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How to use _tree_node_from_values method in avocado

Best Python code snippet using avocado_python

__init__.py

Source:__init__.py

...140                using = _handle_control_tag_using(path, node.name, using, value[1])141            else:142                _handle_control_tag(path, node, value)143        elif isinstance(value[1], collections.OrderedDict):144            child = _tree_node_from_values(path,145                                           astring.to_text(value[0]),146                                           value[1],147                                           using)148            node.add_child(child)149        else:150            node.value[value[0]] = value[1]151    return using152def _node_content_from_dict(path, node, values, using):153    """Processes dict values into the current node content"""154    for key, value in values.items():155        if isinstance(key, mux.Control):156            if key.code == YAML_USING:157                using = _handle_control_tag_using(path, node.name, using, value)158            else:159                _handle_control_tag(path, node, [key, value])160        elif (isinstance(value, collections.OrderedDict) or161              value is None):162            node.add_child(_tree_node_from_values(path, key, value, using))163        else:164            node.value[key] = value165    return using166def _tree_node_from_values(path, name, values, using):167    """Create `name` node and add values"""168    # Initialize the node169    node = mux.MuxTreeNode(astring.to_text(name))170    if not values:171        return node172    using = ''173    # Fill the node content from parsed values174    if isinstance(values, dict):175        using = _node_content_from_dict(path, node, values, using)176    else:177        using = _node_content_from_node(path, node, values, using)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))232    SafeLoader.add_constructor(u'!remove_value',233                               lambda *_: mux.Control(YAML_REMOVE_VALUE))234    SafeLoader.add_constructor(u'!filter-only',235                               lambda *_: mux.Control(YAML_FILTER_ONLY))236    SafeLoader.add_constructor(u'!filter-out',237                               lambda *_: mux.Control(YAML_FILTER_OUT))238    SafeLoader.add_constructor(u'tag:yaml.org,2002:python/dict',239                               SafeLoader.construct_yaml_map)240    SafeLoader.add_constructor(u'!mux', _mux_loader)241    SafeLoader.add_constructor(yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG,242                               _mapping_to_tree_loader)243def _create_from_yaml(path):244    """Create tree structure from yaml stream"""245    # Parse file name ([$using:]$path)246    path = __RE_FILE_SPLIT.split(path, 1)247    if len(path) == 1:248        path = __RE_FILE_SUBS.sub(':', path[0])249        using = ["run"]250    else:251        nodes = __RE_FILE_SUBS.sub(':', path[0]).strip('/').split('/')252        using = [node for node in nodes if node]253        if not path[0].startswith('/'):  # relative path, put into /run254            using.insert(0, 'run')255        path = __RE_FILE_SUBS.sub(':', path[1])256    # For loader instance needs different "path" and "using" values257    class Loader(_BaseLoader):258        _BaseLoader.path = path259        _BaseLoader.using = using260    # Load the tree261    with open(path) as stream:262        loaded_tree = yaml.load(stream, Loader)  # nosec263        if loaded_tree is None:264            return265        loaded_tree = _tree_node_from_values(path, '', loaded_tree, using)266    # Add prefix267    if using:268        loaded_tree.name = using.pop()269        while True:270            if not using:271                break272            loaded_tree = mux.MuxTreeNode(using.pop(), children=[loaded_tree])273        loaded_tree = mux.MuxTreeNode('', children=[loaded_tree])274    return loaded_tree275def create_from_yaml(paths):276    """Create tree structure from yaml-like file.277    :param paths: File object to be processed278    :raise SyntaxError: When yaml-file is corrupted279    :return: Root of the created tree structure...

varianter_yaml_to_mux.py

Source:varianter_yaml_to_mux.py

...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 = ""172    # Fill the node content from parsed values173    if isinstance(values, dict):174        using = _node_content_from_dict(path, node, values, using)175    else:176        using = _node_content_from_node(path, node, values, using)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    )234    SafeLoader.add_constructor("!filter-only", lambda *_: mux.Control(YAML_FILTER_ONLY))235    SafeLoader.add_constructor("!filter-out", lambda *_: mux.Control(YAML_FILTER_OUT))236    SafeLoader.add_constructor(237        "tag:yaml.org,2002:python/dict", SafeLoader.construct_yaml_map238    )239    SafeLoader.add_constructor("!mux", _mux_loader)240    SafeLoader.add_constructor(241        yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG, _mapping_to_tree_loader242    )243def _create_from_yaml(path):244    """Create tree structure from yaml stream"""245    # Parse file name ([$using:]$path)246    path = __RE_FILE_SPLIT.split(path, 1)247    if len(path) == 1:248        path = __RE_FILE_SUBS.sub(":", path[0])249        using = ["run"]250    else:251        nodes = __RE_FILE_SUBS.sub(":", path[0]).strip("/").split("/")252        using = [node for node in nodes if node]253        if not path[0].startswith("/"):  # relative path, put into /run254            using.insert(0, "run")255        path = __RE_FILE_SUBS.sub(":", path[1])256    # For loader instance needs different "path" and "using" values257    class Loader(_BaseLoader):258        _BaseLoader.path = path259        _BaseLoader.using = using260    # Load the tree261    with open(path, encoding="utf-8") as stream:262        loaded_tree = yaml.load(stream, Loader)  # nosec263        if loaded_tree is None:264            return265        loaded_tree = _tree_node_from_values(path, "", loaded_tree, using)266    # Add prefix267    if using:268        loaded_tree.name = using.pop()269        while True:270            if not using:271                break272            loaded_tree = mux.MuxTreeNode(using.pop(), children=[loaded_tree])273        loaded_tree = mux.MuxTreeNode("", children=[loaded_tree])274    return loaded_tree275def create_from_yaml(paths):276    """Create tree structure from yaml-like file.277    :param paths: File object to be processed278    :raise SyntaxError: When yaml-file is corrupted279    :return: Root of the created tree structure...

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