Merge branch 'rightlib' into mergelibs-240318-0944

1 files changed, 16 insertions, 0 deletions

diff --git a/contrib/python/python-dateutil/py3/dateutil/__init__.py b/contrib/python/python-dateutil/py3/dateutil/__init__.py
index 0defb82e21f..a2c19c06fe1 100644
--- a/contrib/python/python-dateutil/py3/dateutil/__init__.py
+++ b/contrib/python/python-dateutil/py3/dateutil/__init__.py
@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+import sys
+
 try:
     from ._version import version as __version__
 except ImportError:
@@ -6,3 +8,17 @@ except ImportError:
 
 __all__ = ['easter', 'parser', 'relativedelta', 'rrule', 'tz',
            'utils', 'zoneinfo']
+
+def __getattr__(name):
+    import importlib
+
+    if name in __all__:
+        return importlib.import_module("." + name, __name__)
+    raise AttributeError(
+        "module {!r} has not attribute {!r}".format(__name__, name)
+    )
+
+
+def __dir__():
+    # __dir__ should include all the lazy-importable modules as well.
+    return [x for x in globals() if x not in sys.modules] + __all__