use precise timer when getting timestamps, fixes test for py 3.13

dlt/common/storages/load_package.py

@@ -739,7 +739,7 @@ def is_package_partially_loaded(package_info: LoadPackageInfo) -> bool:
 
     @staticmethod
     def _job_elapsed_time_seconds(file_path: str, now_ts: float = None) -> float:
-        return (now_ts or pendulum.now().timestamp()) - os.path.getmtime(file_path)
+        return (now_ts or precise_time()) - os.path.getmtime(file_path)
 
     @staticmethod
     def filter_jobs_for_table(

dlt/destinations/impl/dummy/dummy.py

@@ -34,6 +34,7 @@
     WithStagingDataset,
     LoadJob,
 )
+from dlt.common.time import precise_time
 from dlt.destinations.sql_jobs import SqlMergeFollowupJob
 
 from dlt.destinations.exceptions import (
@@ -47,7 +48,7 @@ class LoadDummyBaseJob(RunnableLoadJob):
     def __init__(self, file_name: str, config: DummyClientConfiguration) -> None:
         super().__init__(file_name)
         self.config = copy(config)
-        self.start_time: float = pendulum.now().timestamp()
+        self.start_time = precise_time()
 
         if self.config.fail_terminally_in_init:
             raise DestinationTerminalException(self._exception)
@@ -63,7 +64,7 @@ def run(self) -> None:
                 raise Exception("Dummy job status raised exception")
 
             # timeout condition (terminal)
-            n = pendulum.now().timestamp()
+            n = precise_time()
             if n - self.start_time > self.config.timeout:
                 # this will make the the job go to a failed state
                 raise DestinationTerminalException("failed due to timeout")

tests/common/storages/test_load_package.py

@@ -225,17 +225,20 @@ def test_job_elapsed_time_seconds(load_storage: LoadStorage) -> None:
         load_storage.normalized_packages.get_job_file_path(load_id, "started_jobs", fn)
     )
     elapsed = PackageStorage._job_elapsed_time_seconds(fp)
-    sleep(0.3)
+    sleep(0.5)
     # do not touch file
     elapsed_2 = PackageStorage._job_elapsed_time_seconds(fp)
-    assert elapsed_2 - elapsed >= 0.3
+    # Python 3.13 + Windows often shows elapsed values less than 0.5
+    # it may be related to https://github.com/python/cpython/issues/65501
+    # most probably
+    assert elapsed_2 - elapsed >= 0.47
     # rename the file
     fp = load_storage.normalized_packages.retry_job(load_id, fn)
     # retry_job increases retry number in file name so the line below does not work
     # fp = storage.storage._make_path(storage._get_job_file_path(load_id, "new_jobs", fn))
     elapsed_2 = PackageStorage._job_elapsed_time_seconds(fp)
     # it should keep its mod original date after rename
-    assert elapsed_2 - elapsed >= 0.3
+    assert elapsed_2 - elapsed >= 0.47
 
 
 def test_retry_job(load_storage: LoadStorage) -> None: