initial work for meta graph

kgdata/wikidata/config.py

@@ -50,6 +50,8 @@ def __init__(self, datadir: Path) -> None:
         self.entity_types_and_degrees = datadir / "076_entity_types_and_degrees"
         self.entity_wiki_aliases = datadir / "077_entity_wiki_aliases"
 
+        self.meta_graph = datadir / "080_meta_graph"
+
         # deprecated
         self.wp2wd = datadir / "wp2wd"
         self.search = datadir / "search"

kgdata/wikidata/datasets/meta_graph.py

@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+from collections import defaultdict
+from dataclasses import dataclass
+from typing import Dict, List, Optional, Tuple, Union
+
+import orjson
+from kgdata.dataset import Dataset
+from kgdata.wikidata.config import WikidataDirCfg
+from kgdata.wikidata.datasets.entities import entities
+from kgdata.wikidata.datasets.entity_types import entity_types
+from kgdata.wikidata.models.wdentity import WDEntity
+
+# def get_meta_graph_dataset(with_dep: bool = True):
+#     cfg = WikidataDirCfg.get_instance()
+
+#     if with_dep:
+#         deps = [entities(), entity_types()]
+#     else:
+#         deps = []
+
+#     return Dataset(
+#         cfg.main_property_connections / "*.gz",
+#         deserialize=deser_connection,
+#         name="property-connections",
+#         dependencies=deps,
+#     )
+
+
+# def meta_graph():
+#     entity_outlinks()