Limit milvus-lite files to end with .db (#2214)

Signed-off-by: junjie.jiang <[email protected]>

pymilvus/orm/connections.py

@@ -366,10 +366,11 @@ def connect(
             "grpc",
         ]:
             # start and connect milvuslite
-            if kwargs["uri"].endswith("/"):
+            if not kwargs["uri"].endswith(".db"):
                 raise ConnectionConfigException(
-                    message=f"Open local milvus failed, {kwargs['uri']} is not a local file path"
+                    message=f"uri: {kwargs['uri']} is illegal, needs start with [unix, http, https, tcp] or a local file endswith [.db]"
                 )
+            logger.info(f"Pass in the local path {kwargs['uri']}, and run it using milvus-lite")
             parent_path = pathlib.Path(kwargs["uri"]).parent
             if not parent_path.is_dir():
                 raise ConnectionConfigException(

tests/test_milvus_lite.py

@@ -5,6 +5,7 @@
 import pytest
 
 from pymilvus.milvus_client import MilvusClient
+from pymilvus.exceptions import ConnectionConfigException
 
 
 @pytest.mark.skipif(sys.platform.startswith('win'), reason="Milvus Lite is not supported on Windows")
@@ -56,3 +57,10 @@ def test_milvus_lite(self):
                     filter="subject == 'history'",
                 )
             assert len(res) == 3
+
+    def test_illegal_name(self):
+        try:
+            MilvusClient("localhost")
+            assert False
+        except ConnectionConfigException as e:
+            assert e.message == "uri: localhost is illegal, needs start with [unix, http, https, tcp] or a local file endswith [.db]"