def insert_node(self, xpath, icon=""):
"""
Method inserts node by xpath. Used for DB select simulation.
"""
parent_xpath = get_parent_xpath(xpath)
parent = self.get_node(parent_xpath)
if parent is not None and self._is_node_deleted(parent):
logger.info("The '{}' element is marked as deleted. So ignoring request.".format(xpath))
return
for node in self.all_nodes:
if hasattr(node, "key") and is_grandsire_xpath(xpath, node.key) and self._is_node_deleted(node):
logger.info("The '{}' element is marked as deleted. So ignoring request.".format(node.key))
return
element = create_element(get_tag_name(xpath))
# element.xpath = xpath
element.key = xpath
element.icon = icon
if parent is None:
# Has no parent: unlinked one yet or root
self.roots.append(element)
else:
element.parentNode = parent
parent.append(element)
element.key = "{}{}".format(xpath, self._get_node_num(element))
self._link_children(element)
self._validate_roots()
def add_node(self, xpath):
"""
Method adds a new node which is specified by xpath.
It can be used as validation one for creating element only if exists.
"""
if self.get_node(xpath) is not None:
logger.info("'{}' is already exists, no need to add it.".format(xpath))
return
parent_xpath = get_parent_xpath(xpath)
parent_node = self.get_node(parent_xpath)
if parent_node is None:
if is_root(xpath):
logger.debug("'{}' is the root so adding into the root list.".format(xpath))
root = create_element(get_tag_name(xpath))
root.key = xpath
self.add_new_root(root)
return root
else:
# If the parent haven't created yet.
logger.error("There is no node for specified xpath: '{}'. Creating it.".format(parent_xpath))
parent_node = self.add_node(parent_xpath)
logger.info("Node for specified xpath: '{}' was created it.".format(parent_xpath))
if parent_node is not None:
element = create_element(get_tag_name(xpath))
element.key = xpath
element.parentNode = parent_node
parent_node.append(element)
self.add_new_node(element)
return element
else:
print("s")
return