Silence deprecation and syntax warnings surfaced by the test run

- parsers.py: use a raw bytes literal for LEXEME_RE so the regex escapes
  (\., \+, \S) no longer raise a SyntaxWarning.
- database_changes.py: replace the deprecated ssl.PROTOCOL_TLSv1_2 with
  PROTOCOL_TLS_CLIENT, clearing hostname/CA checks to preserve the existing
  certificate-pinning behavior (mirrors the earlier tcp_utils.py fix).
- Replace every datetime.utcnow() (deprecated in 3.12) with
  datetime.now(timezone.utc).replace(tzinfo=None), which keeps the exact
  naive-UTC value so serialization and time deltas are unchanged. Covers the
  request executor, subscription worker, and schema validation in the client,
  plus the affected time-series / revisions / patch tests.

Author: poissoncorp

ravendb/changes/database_changes.py

@@ -87,7 +87,12 @@ def _get_server_certificate(self) -> Optional[str]:
     def _connect_websocket_secured(self, url: str) -> None:
         # Get server certificate via HTTPS and prepare SSL context
         server_certificate = base64.b64decode(self._get_server_certificate())
-        ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
+        # PROTOCOL_TLS_CLIENT replaces the deprecated PROTOCOL_TLSv1_2 but defaults to CA verification and
+        # hostname checking, which the old PROTOCOL_TLSv1_2 context did not do by default. Clear both to keep
+        # the previous behavior; a trust store, when configured, re-enables CA verification below.
+        ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
+        ssl_context.check_hostname = False
+        ssl_context.verify_mode = ssl.CERT_NONE
         ssl_context.load_cert_chain(self._request_executor.certificate_path)
         if self._request_executor.trust_store_path:
             ssl_context.verify_mode = ssl.CERT_REQUIRED

ravendb/documents/operations/schema_validation/__init__.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import json
-from datetime import datetime
+from datetime import datetime, timezone
 from typing import Optional, Dict, Any, List
 
 import requests
@@ -23,7 +23,7 @@ def __init__(
     ):
         self.schema = schema
         self.disabled = disabled
-        self.last_modified_time = last_modified_time or datetime.utcnow()
+        self.last_modified_time = last_modified_time or datetime.now(timezone.utc).replace(tzinfo=None)
 
     def to_json(self) -> Dict[str, Any]:
         return {

ravendb/documents/subscriptions/worker.py

@@ -744,11 +744,12 @@ def __run_async() -> None:
 
     def _assert_last_connection_failure(self) -> None:
         if self._last_connection_failure is None:
-            self._last_connection_failure = datetime.datetime.utcnow()
+            self._last_connection_failure = datetime.datetime.now(datetime.timezone.utc).replace(tzinfo=None)
             return
 
         if (
-            datetime.datetime.utcnow().timestamp() - self._last_connection_failure.timestamp()
+            datetime.datetime.now(datetime.timezone.utc).replace(tzinfo=None).timestamp()
+            - self._last_connection_failure.timestamp()
             > self._options.max_erroneous_period.total_seconds()
         ):
             raise SubscriptionInvalidStateException(

ravendb/http/request_executor.py

@@ -661,7 +661,7 @@ def execute(
                     return  # we either handled this already in the unsuccessful response or we are throwing
                 self._on_succeed_request_invoke(self._database_name, url, response, request, attempt_num)
                 response_dispose = command.process_response(self._cache, response, url)
-                self._last_returned_response = datetime.datetime.utcnow()
+                self._last_returned_response = datetime.datetime.now(datetime.timezone.utc).replace(tzinfo=None)
             finally:
                 if response_dispose == ResponseDisposeHandling.AUTOMATIC:
                     response.close()

ravendb/tests/jvm_migrated_tests/client_tests/indexing_tests/time_series_tests/test_basic_time_series_indexes_java_script.py

@@ -1,5 +1,5 @@
 import unittest
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 
 from ravendb import GetTermsOperation
 from ravendb.documents.indexes.abstract_index_creation_tasks import AbstractJavaScriptIndexCreationTask
@@ -68,7 +68,7 @@ def test_time_series_names_for(self):
         self.assertIn("true", terms)
 
     def test_basic_map_index_with_load(self):
-        now1 = datetime.utcnow()
+        now1 = datetime.now(timezone.utc).replace(tzinfo=None)
         now2 = now1 + timedelta(seconds=1)
 
         with self.store.open_session() as session:
@@ -172,7 +172,7 @@ def test_basic_map_reduce_index_with_load(self):
         self.assertIn("la", terms)
 
     def test_can_map_all_time_series_from_collection(self):
-        now1 = datetime.utcnow()
+        now1 = datetime.now(timezone.utc).replace(tzinfo=None)
         now2 = now1 + timedelta(seconds=1)
 
         with self.store.open_session() as session:

ravendb/tests/jvm_migrated_tests/client_tests/indexing_tests/time_series_tests/test_basic_time_series_indexes_mixed_syntax.py

@@ -1,4 +1,4 @@
-from datetime import datetime
+from datetime import datetime, timezone
 
 from ravendb import PutIndexesOperation, GetTermsOperation
 from ravendb.documents.indexes.time_series import TimeSeriesIndexDefinition
@@ -11,7 +11,7 @@ def setUp(self):
         super(TestBasicTimeSeriesIndexes_MixedSyntax, self).setUp()
 
     def test_basic_map_index(self):
-        now1 = datetime.utcnow()
+        now1 = datetime.now(timezone.utc).replace(tzinfo=None)
 
         with self.store.open_session() as session:
             company = Company()

ravendb/tests/jvm_migrated_tests/client_tests/revisions_tests/test_revisions.py

@@ -1,5 +1,5 @@
 import unittest
-from datetime import datetime
+from datetime import datetime, timezone
 from time import sleep
 
 from ravendb import RevisionsConfiguration, RevisionsCollectionConfiguration, GetStatisticsOperation
@@ -361,9 +361,15 @@ def test_can_get_revisions_by_id_and_time_lazily(self):
             self.assertEqual(1, session.advanced.number_of_requests)
 
         with self.store.open_session() as session:
-            revision = session.advanced.revisions.get_by_before_date("users/1", datetime.utcnow(), User)
-            revisions_lazily = session.advanced.revisions.lazily.get_by_before_date("users/1", datetime.utcnow(), User)
-            session.advanced.revisions.lazily.get_by_before_date("users/2", datetime.utcnow(), User)
+            revision = session.advanced.revisions.get_by_before_date(
+                "users/1", datetime.now(timezone.utc).replace(tzinfo=None), User
+            )
+            revisions_lazily = session.advanced.revisions.lazily.get_by_before_date(
+                "users/1", datetime.now(timezone.utc).replace(tzinfo=None), User
+            )
+            session.advanced.revisions.lazily.get_by_before_date(
+                "users/2", datetime.now(timezone.utc).replace(tzinfo=None), User
+            )
 
             revisions_lazily_result = revisions_lazily.value
 

ravendb/tests/jvm_migrated_tests/client_tests/session_tests/test_add_or_patch.py

@@ -1,4 +1,4 @@
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from dataclasses import dataclass
 
 from typing import List
@@ -24,14 +24,18 @@ def test_can_add_or_patch(self):
         key = "users/1"
 
         with self.store.open_session() as session:
-            new_user = User(first_name="Hibernating", last_name="Rhinos", last_login=datetime.utcnow())
+            new_user = User(
+                first_name="Hibernating", last_name="Rhinos", last_login=datetime.now(timezone.utc).replace(tzinfo=None)
+            )
             session.store(new_user, key)
             session.save_changes()
             self.assertEqual(1, session.advanced.number_of_requests)
 
         with self.store.open_session() as session:
-            new_user = User(first_name="Hibernating", last_name="Rhinos", last_login=datetime.utcnow())
-            new_date = datetime.utcnow() + timedelta(days=365)
+            new_user = User(
+                first_name="Hibernating", last_name="Rhinos", last_login=datetime.now(timezone.utc).replace(tzinfo=None)
+            )
+            new_date = datetime.now(timezone.utc).replace(tzinfo=None) + timedelta(days=365)
             session.advanced.add_or_patch(key, new_user, "last_login", new_date)
             session.save_changes()
 
@@ -69,7 +73,7 @@ def test_can_add_or_patch_add_item_to_an_existing_array(self):
 
         with self.store.open_session() as session:
             user = User(first_name="Hibernating", last_name="Rhinos")
-            datetime_now = datetime.utcnow()
+            datetime_now = datetime.now(timezone.utc).replace(tzinfo=None)
             d2000 = datetime(
                 2000,
                 datetime_now.month,

ravendb/tests/jvm_migrated_tests/client_tests/test_bulk_inserts.py

@@ -55,7 +55,9 @@ def test_should_not_accept_ids_ending_with_pipe_line(self):
             )
 
     def test_can_modify_metadata_with_bulk_insert(self):
-        expiration_date = (datetime.datetime.utcnow() + datetime.timedelta(days=365)).isoformat() + "0Z"  # add one year
+        expiration_date = (
+            datetime.datetime.now(datetime.timezone.utc).replace(tzinfo=None) + datetime.timedelta(days=365)
+        ).isoformat() + "0Z"  # add one year
 
         with self.store.bulk_insert() as bulk_insert:
             foobar = FooBar("Jon Snow")

ravendb/tests/jvm_migrated_tests/client_tests/test_first_class_patch.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 from dataclasses import dataclass
-from datetime import datetime
+from datetime import datetime, timezone
 from typing import Dict, List
 
 from ravendb.tests.test_base import TestBase
@@ -263,7 +263,7 @@ def test_should_merge_patch_calls(self):
             session.store(user2, docid2)
             session.save_changes()
 
-        now = datetime.utcnow()
+        now = datetime.now(timezone.utc).replace(tzinfo=None)
 
         with self.store.open_session() as session:
             session.advanced.patch(self.doc_id, "numbers[0]", 31)