feat: 完成 issue #4 数据总线 + 时序库 模板化封装

core/data-bus/_sanity_check.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+"""Sanity check: data_bus package imports and postgres DDL escaping fix."""
+import importlib.machinery
+import importlib.util
+import os
+import sys
+
+d = os.getcwd()
+
+# 以包身份加载 data-bus（执行 __init__.py，相对导入可用）
+spec = importlib.util.spec_from_file_location(
+    "data_bus", os.path.join(d, "__init__.py"), submodule_search_locations=[d]
+)
+pkg = importlib.util.module_from_spec(spec)
+sys.modules["data_bus"] = pkg
+spec.loader.exec_module(pkg)
+
+from data_bus import BatchWriter, MemorySink, TdengineSink, TemplateNaming, __version__  # noqa: E402
+from data_bus.postgres_schema import generate_schema_ddl  # noqa: E402
+
+ddl = generate_schema_ddl(TemplateNaming(template="ti-cl4"))
+assert "DEFAULT '{}'::jsonb" in ddl, "jsonb default escaped wrongly"
+assert "REFERENCES tpl_ti_cl4.templates(template)" in ddl
+print("version:", __version__)
+print("ddl ok; lines:", len(ddl.splitlines()))
+print("exports ok:", [c.__name__ for c in (BatchWriter, MemorySink, TdengineSink)])