fix(python): detect deltalake version in show_versions (#7622)

pola-rs · Mar 18, 2023 · 38ab4e7 · 38ab4e7
1 parent d83d4f8
commit 38ab4e7
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/py-polars/polars/utils/show_versions.py b/py-polars/polars/utils/show_versions.py
@@ -65,9 +65,15 @@ def _get_dependency_info() -> dict[str, str]:
 def _get_dependency_version(dep_name: str) -> str:
     try:
         module = importlib.import_module(dep_name)
-        module_version = getattr(module, "__version__", "<version not detected>")
     except ImportError:
         return "<not installed>"
 
-    # all our dependencies (as of 2022-08-11) implement __version__
+    if hasattr(module, "__version__"):
+        module_version = module.__version__
+    elif sys.version_info >= (3, 8):
+        # importlib.metadata was introduced in Python 3.8
+        module_version = importlib.metadata.version(dep_name)
+    else:
+        module_version = "<version not detected>"
+
     return module_version