Don't require importlib_metadata (#4612)

* Don't require importlib_metadata * Handle older versions of importlib

Don't require importlib_metadata (#4612)
* Don't require importlib_metadata * Handle older versions of importlib
68fd0f67 · Peter Eastman · GitHub · 79202805 · 68fd0f67
Unverified Commit 68fd0f67 authored Aug 06, 2024 by Peter Eastman Committed by GitHub Aug 06, 2024
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wrappers/python/openmm/app/forcefield.py wrappers/python/openmm/app/forcefield.py +6 -0

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--- a/wrappers/python/openmm/app/forcefield.py
+++ b/wrappers/python/openmm/app/forcefield.py
@@ -58,6 +58,12 @@ def _getDataDirectories():
        _dataDirectories = [os.path.join(os.path.dirname(__file__), 'data')]
        try:
            from importlib_metadata import entry_points
+        except:
+            try:
+                from importlib.metadata import entry_points
+            except:
+                pass
+        try:
            for entry in entry_points().select(group='openmm.forcefielddir'):
                _dataDirectories.append(entry.load()())
        except: