saving dependency work

lib/python3.9/site-packages/dill/tests/test_fglobals.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+#
+# Author: Mike McKerns (mmckerns @caltech and @uqfoundation)
+# Copyright (c) 2021-2022 The Uncertainty Quantification Foundation.
+# License: 3-clause BSD.  The full license text is available at:
+#  - https://github.com/uqfoundation/dill/blob/master/LICENSE
+
+import dill
+dill.settings['recurse'] = True
+
+def get_fun_with_strftime():
+    def fun_with_strftime():
+        import datetime
+        return datetime.datetime.strptime("04-01-1943", "%d-%m-%Y").strftime(
+            "%Y-%m-%d %H:%M:%S"
+        )
+    return fun_with_strftime
+
+
+def get_fun_with_strftime2():
+    import datetime
+    return datetime.datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S')
+
+
+def test_doc_dill_issue_219():
+    back_fn = dill.loads(dill.dumps(get_fun_with_strftime()))
+    assert back_fn() == "1943-01-04 00:00:00"
+    dupl = dill.loads(dill.dumps(get_fun_with_strftime2))
+    assert dupl() == get_fun_with_strftime2()
+
+
+def get_fun_with_internal_import():
+    def fun_with_import():
+        import re
+        return re.compile("$")
+    return fun_with_import
+
+
+def test_method_with_internal_import_should_work():
+    import re
+    back_fn = dill.loads(dill.dumps(get_fun_with_internal_import()))
+    import inspect
+    if hasattr(inspect, 'getclosurevars'):
+        vars = inspect.getclosurevars(back_fn)
+        assert vars.globals == {}
+        assert vars.nonlocals == {}
+    assert back_fn() == re.compile("$")
+    assert "__builtins__" in back_fn.__globals__
+
+
+if __name__ == "__main__":
+    import sys
+    if (sys.version_info[:3] != (3,10,0) or sys.version_info[3] != 'alpha'):
+        test_doc_dill_issue_219()
+        test_method_with_internal_import_should_work()