def add_edges_from(self, edge_list, attrs=None, **attr): # set up attribute dict (from Networkx to preserve the signature) if attrs is None: attrs = attr else: try: attrs.update(attr) except AttributeError: raise ValueError( "The attr_dict argument must be a dictionary." ) for edge in edge_list: if not edge[0] in self.nodes(): raise ValueError("Node %s is not defined!" % edge[0]) if not edge[1] in self.nodes(): raise ValueError("Node %s is not defined!" % edge[1]) source_type = self.node[edge[0]].type_ target_type = self.node[edge[1]].type_ if self.metamodel_ is not None: if (source_type, target_type) not in self.metamodel_.edges(): raise ValueError( "Edge from '%s' to '%s' is not allowed by metamodel" % (source_type, target_type) ) normalize_attrs(attrs) nx.DiGraph.add_edges_from(self, edge_list, attrs)
def add_edge(self, s, t, attrs=None, **attr): # set up attribute dict (from Networkx to preserve the signature) if attrs is None: attrs = attr else: try: attrs.update(attr) except AttributeError: raise ValueError( "The attr_dict argument must be a dictionary." ) if s not in self.nodes(): raise ValueError("Node %s is not defined!" % s) if t not in self.nodes(): raise ValueError("Node %s is not defined!" % t) source_type = self.node[s].type_ target_type = self.node[t].type_ if self.metamodel_ is not None: if (source_type, target_type) not in self.metamodel_.edges(): if (target_type, source_type) not in self.metamodel_.edges(): raise ValueError( "Edge from '%s' to '%s' is not allowed by metamodel" % (source_type, target_type) ) # There is some strange things with edge attributes in NetworkX # for undirected graphs: if I say graph.edge[1][2] = <some attributes> # it will not update value of graph.edge[2][1] normalize_attrs(attrs) nx.Graph.add_edge(self, s, t, attrs) nx.Graph.add_edge(self, t, s, attrs)
def set_edge(self, u, v, attrs): if (not (u, v) in self.edges()) and (not (v,u) in self.edges()): raise ValueError( "Edge %s-%s does not exist" % (str(u), str(v))) normalize_attrs(attrs) self.edge[u][v] = attrs self.edge[v][u] = attrs
def add_edges_from(self, edge_list, attrs=None, **attr): # set up attribute dict (from Networkx to preserve the signature) if attrs is None: attrs = attr else: try: attrs.update(attr) except AttributeError: raise ValueError( "The attr_dict argument must be a dictionary.") for edge in edge_list: if not edge[0] in self.nodes(): raise ValueError("Node %s is not defined!" % edge[0]) if not edge[1] in self.nodes(): raise ValueError("Node %s is not defined!" % edge[1]) source_type = self.node[edge[0]].type_ target_type = self.node[edge[1]].type_ if self.metamodel_ is not None: if (source_type, target_type) not in self.metamodel_.edges(): if (target_type, source_type) not in self.metamodel_.edges(): raise ValueError( "Edge from '%s' to '%s' is not allowed by metamodel" % (source_type, target_type)) normalize_attrs(attrs) nx.Graph.add_edges_from(self, edge_list, attrs)
def add_edge(self, s, t, attrs=None, **attr): # set up attribute dict (from Networkx to preserve the signature) if attrs is None: attrs = attr else: try: attrs.update(attr) except AttributeError: raise ValueError( "The attr_dict argument must be a dictionary.") if s not in self.nodes(): raise ValueError("Node %s is not defined!" % s) if t not in self.nodes(): raise ValueError("Node %s is not defined!" % t) source_type = self.node[s].type_ target_type = self.node[t].type_ if self.metamodel_ is not None: if (source_type, target_type) not in self.metamodel_.edges(): if (target_type, source_type) not in self.metamodel_.edges(): raise ValueError( "Edge from '%s' to '%s' is not allowed by metamodel" % (source_type, target_type)) # There is some strange things with edge attributes in NetworkX # for undirected graphs: if I say graph.edge[1][2] = <some attributes> # it will not update value of graph.edge[2][1] normalize_attrs(attrs) nx.Graph.add_edge(self, s, t, attrs) nx.Graph.add_edge(self, t, s, attrs)
def set_attrs(self, attrs): normalize_attrs(attrs) self.attrs_ = attrs
def __init__(self, n_type=None, attrs=None): self.type_ = n_type self.attrs_ = attrs normalize_attrs(self.attrs_) return
def set_edge(self, source, target, attrs): if not (source, target) in self.edges(): raise ValueError( "Edge %s-%s does not exist" % (str(source), str(target))) normalize_attrs(attrs) self.edge[source][target] = attrs
def set_edge(self, u, v, attrs): if (not (u, v) in self.edges()) and (not (v, u) in self.edges()): raise ValueError("Edge %s-%s does not exist" % (str(u), str(v))) normalize_attrs(attrs) self.edge[u][v] = attrs self.edge[v][u] = attrs
def set_attrs(self, attrs): normalize_attrs(attrs) self.attrs_ = attrs
def __init__(self, n_type=None, attrs=None): self.type_ = n_type self.attrs_ = attrs normalize_attrs(self.attrs_) return
def set_edge(self, source, target, attrs): if not (source, target) in self.edges(): raise ValueError("Edge %s-%s does not exist" % (str(source), str(target))) normalize_attrs(attrs) self.edge[source][target] = attrs