Add new graph id module

b_asic/graph_id.py

+"""
+B-ASIC Graph ID module for handling IDs of different objects in a graph.
+TODO: More info
+"""
+
+class GraphID:
+    """
+    Graph ID class that handles the id of an object in a graph.
+    """
+
+    graph_id_type: str
+    graph_id_number: int
+
+
+    def __init__(self, graph_id_type: str, graph_id_number: int):
+        self.graph_id_type = graph_id_type
+        self.graph_id_number = graph_id_number
+
+
+    def __str__(self) -> str:
+        return graph_id_type + str(graph_id_number)
+
+
+    def __repr__(self) -> str:
+        return str(self)
+
+
+    def __hash__(self) -> int:
+        return hash(str(self))
+
+
+    def __eq__(self, other: graphID) -> bool:
+        return self.graph_id_type == other.graph_id_type and \
+            self.graph_id_number == other.graph_id_number
+
+    
+    def get_next_id(self) -> GraphID:
+        """
+        Returns a new GraphID of the same type with an incremented id number.
+        """ 
+        return GraphID(self.graph_id_type, self.graph_id_number + 1)
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