Karim Ahmed · Karim Ahmed
--- a/src/cal_tools/tools.py
+++ b/src/cal_tools/tools.py
+        raise FileNotFoundError(
+            "- Failed to read creation time, wrong input folder",
+            directory) from e

    try:
-        run_info = get_run_info(proposal, run)
-        return dateutil.parser.parse(run_info['begin_at'])
+        return creation_date_metadata_client(proposal, run)
    except Exception as e:
        if verbosity > 0:
            print(e)

-    directory = directory / 'r{:04d}'.format(run)
-
-    # Loop a number of times to catch stale file handle errors, due to
-    # migration or gpfs sync.
--- a/tests/test_cal_tools.py
+++ b/tests/test_cal_tools.py
+@pytest.mark.requires_mdc
+def test_creation_date_metadata_client():
+
+    date = creation_date_metadata_client(900113, 9983)
+    assert isinstance(date, datetime)
+    assert str(date) == '2020-09-23 13:30:00+00:00'
+
+
+@pytest.mark.requires_gpfs
+def test_creation_date_file_metadata():
+
+    folder = '/gpfs/exfel/exp/CALLAB/202031/p900113/raw/r9983'
+
+    date = creation_date_file_metadata(RunDirectory(folder))
    assert isinstance(date, datetime)
-    assert str(date) == '2019-12-16 08:52:25.196603'