wip: add base_kg_builder

Author: ChenZiHong-Gavin

graphgen/bases/base_kg_builder.py

@@ -0,0 +1,27 @@
+from abc import ABC, abstractmethod
+from dataclasses import dataclass
+from typing import List
+
+from graphgen.bases.datatypes import Chunk
+
+
+@dataclass
+class BaseKGBuilder(ABC):
+
+    # node_types: List[str]
+    def build(self, chunks: List[Chunk]) -> None:
+        pass
+
+    @abstractmethod
+    def extract(self, chunk: Chunk) -> None:
+        pass
+
+    # 摘要
+    def condense(self) -> None:
+        pass
+
+    def _merge_nodes(self) -> None:
+        pass
+
+    def _merge_edges(self) -> None:
+        pass