Method add_nodes

easygraph/classes/directed_graph.py:522–575

Add nodes with a list of nodes. Parameters ---------- nodes_for_adding : list nodes_attr : list of dict The corresponding attribute for each of *nodes_for_adding*. See Also -------- add_node Examples --------

(self, nodes_for_adding: list, nodes_attr: List[Dict] = [])

        self._add_one_node(node_for_adding, node_attr)

    def add_nodes(self, nodes_for_adding: list, nodes_attr: List[Dict] = []):
        """Add nodes with a list of nodes.

        Parameters
        ----------
        nodes_for_adding : list

        nodes_attr : list of dict
            The corresponding attribute for each of *nodes_for_adding*.

        See Also
        --------
        add_node

        Examples
        --------
        Add nodes with a list of nodes.
        You can add with node attributes using a list of Python dict type,
        each of which is the attribute of each node, respectively.

        >>> G.add_nodes([1, 2, 'a', 'b'])
        >>> G.add_nodes(range(1, 200))

        >>> G.add_nodes(['Jack', 'Tom', 'Lily'], nodes_attr=[
        ...     {
        ...         'age': 10,
        ...         'gender': 'M'
        ...     },
        ...     {
        ...         'age': 11,
        ...         'gender': 'M'
        ...     },
        ...     {
        ...         'age': 10,
        ...         'gender': 'F'
        ...     }
        ... ])

        """
        if nodes_attr is None:
            nodes_attr = []
        if not len(nodes_attr) == 0:  # Nodes attributes included in input
            assert len(nodes_for_adding) == len(
                nodes_attr
            ), "Nodes and Attributes lists must have same length."
        else:  # Set empty attribute for each node
            nodes_attr = [dict() for i in range(len(nodes_for_adding))]

        for i in range(len(nodes_for_adding)):
            try:
                self._add_one_node(nodes_for_adding[i], nodes_attr[i])
            except Exception as err:
                print(err)
                pass

    def add_nodes_from(self, nodes_for_adding, **attr):
        """Add multiple nodes.