Optimistically import the importlib_metadata

changelog.md

@@ -2,6 +2,14 @@
 
 ---
 
+## [3.3.1] 2023-08-28
+
+### Changed
+
+- Optimistically import `importlib_metadata` during Python treeshaking in case it's already installed in the system
+
+---
+
 ## [3.3.0] 2023-07-31
 
 ### Added

src/actions/autoinstall/python/py/get_python_deps.py

@@ -5,17 +5,19 @@
 import pathlib
 import sys
 
-dir_path = os.path.dirname(os.path.realpath(__file__))
-vendor_path = os.path.join(dir_path, "vendor")
-sys.path.append(vendor_path)
-if not os.path.exists(vendor_path):
-    import zipfile
-
-    vendor_zip = os.path.join(dir_path, "vendor.zip")
-    with zipfile.ZipFile(vendor_zip, "r") as zipped:
-        zipped.extractall(dir_path)
-
-import importlib_metadata
+try:
+    import importlib_metadata
+except Exception:
+    dir_path = os.path.dirname(os.path.realpath(__file__))
+    vendor_path = os.path.join(dir_path, "vendor")
+    sys.path.append(vendor_path)
+    if not os.path.exists(vendor_path):
+        import zipfile
+
+        vendor_zip = os.path.join(dir_path, "vendor.zip")
+        with zipfile.ZipFile(vendor_zip, "r") as zipped:
+            zipped.extractall(dir_path)
+    import importlib_metadata
 
 # This script expects to be run like so: `get_python_deps.py $lambda_runtime $arc_src_dir`
 # The Lambda runtime (e.g. `python3.10`) is used to fetch the stdlib json file