Create knowledge_graph.py

knowledge_graph.py

@@ -0,0 +1,47 @@
+# knowledge_graph.py
+
+import json
+from typing import Dict, List, Optional
+from graphviz import Digraph
+
+class QuantumKnowledgeGraph:
+    """
+    Represents a dynamic, multi-modal knowledge graph.
+    """
+    def __init__(self):
+        self.nodes: Dict[int, Dict[str, any]] = {}
+        self.relations: List[Dict[str, any]] = []
+        self.node_counter = 0
+
+    def create_node(self, content: Dict, node_type: str) -> int:
+        self.node_counter += 1
+        self.nodes[self.node_counter] = {
+            "id": self.node_counter,
+            "content": content,
+            "type": node_type,
+            "connections": []
+        }
+        return self.node_counter
+
+    def create_relation(self, source: int, target: int, rel_type: str, strength: float = 1.0) -> None:
+        self.relations.append({
+            "source": source,
+            "target": target,
+            "type": rel_type,
+            "strength": strength
+        })
+        self.nodes[source]["connections"].append(target)
+
+    def visualize_graph(self, focus_node: Optional[int] = None) -> str:
+        dot = Digraph(engine="neato")
+        for nid, node in self.nodes.items():
+            label = f"{node['type']}\n{self._truncate_content(node['content'])}"
+            dot.node(str(nid), label)
+        for rel in self.relations:
+            dot.edge(str(rel["source"]), str(rel["target"]), label=rel["type"])
+        if focus_node:
+            dot.node(str(focus_node), color="red", style="filled")
+        return dot.source
+
+    def _truncate_content(self, content: Dict) -> str:
+        return json.dumps(content)[:50] + "..."