hbui
2024-07-19 a8c5c3a4ebe77a372a991c0fa8a557292fc5ea8e
stundenplan/src/pygraph/graphdemo.py
@@ -1,23 +1,23 @@
class Graph:
    def __init__(self):
        self.adjacent: dict[int, set] = {}
        self.vertex_attribute: dict[int, dict] = {}
        self._adjacent: dict[int, set] = {}
        self._vertex_attribute: dict[int, dict] = {}
    def add_vertex(self, vertex):
        if vertex not in self.adjacent:
        if vertex not in self._adjacent:
            if not isinstance(vertex, int):
                raise TypeError(f"Argument {vertex} is not a valid vertex")
            self.adjacent[vertex] = set()
            self._adjacent[vertex] = set()
        pass
    def add_edge(self, u, v):
        self.add_vertex(u)
        self.add_vertex(v)
        v_neighbor = self.adjacent[v]
        v_neighbor = self._adjacent[v]
        if u not in v_neighbor:
            v_neighbor.add(u)
        u_neighbor = self.adjacent[u]
        u_neighbor = self._adjacent[u]
        if v not in u_neighbor:
            u_neighbor.add(v)
        pass
@@ -34,31 +34,31 @@
        :param properties:
        :return: self
        """
        if vertex not in self.adjacent:
        if vertex not in self._adjacent:
            raise ValueError(f"Graph does not include vertex {vertex}")
        old_attributes = self.vertex_attribute[vertex]
        self.vertex_attribute[vertex] = old_attributes | properties
        old_attributes = self._vertex_attribute[vertex]
        self._vertex_attribute[vertex] = old_attributes | properties
        return self
        pass
    def get_attribute(self, vertex):
        if vertex in self.adjacent:
            return self.vertex_attribute[vertex]
        if vertex in self._adjacent:
            return self._vertex_attribute[vertex]
        else:
            raise ValueError(f"Graph does not include vertex {vertex}")
        pass
    def vertices(self):
        return self.adjacent.keys()
        return self._adjacent.keys()
    def for_each_vertices(self, action):
        for v in self.vertices():
            action(v)
    def adjacent_of(self, vertex):
        if vertex not in self.adjacent:
        if vertex not in self._adjacent:
            raise ValueError(f"Graph does not include vertex {vertex}")
        return self.adjacent.get(vertex)
        return self._adjacent.get(vertex)
    def for_each_edges(self, action):
        visited_edges: dict[int, set] = {}
@@ -76,13 +76,21 @@
                adjacent.add(second)
                action(start, end)
    def get_lecture_name(self, vertex):
        pass
    def set_lecture_name(self, vertex, name):
        pass
    def __repr__(self):
        text = ""
        sorted_key = sorted(self.adjacent.keys())
        sorted_key = sorted(self._adjacent.keys())
        last_key = sorted_key.pop()
        def adjacent_fn(vertex): return "[" + ", ".join( [str(v) for v in self.adjacent[vertex]] ) + "]"
        def adjacent_fn(vertex): return "[" + ", ".join([str(v) for v in self._adjacent[vertex]]) + "]"
        for key in sorted_key:
            text += f"{key} → {adjacent_fn(key)}\n"
        text += f"{last_key} → {adjacent_fn(last_key)}"
        return text
    def to_dot(self) -> str:
        pass