Add support for annotated assignments to static attribute lookup.

When walking the ast of a module, look for AnnAssign nodes in addition
to Assign to support assignments with type annotations, for example.
Since we have to read different attributes, split the generators into
a for loop. Existing ast.Assign nodes follow the same processing as
before.

1 files changed, 12 insertions, 0 deletions

diff --git a/setuptools/tests/config/test_expand.py b/setuptools/tests/config/test_expand.py
index 15053c8f..a1f54386 100644
--- a/setuptools/tests/config/test_expand.py
+++ b/setuptools/tests/config/test_expand.py
@@ -85,6 +85,18 @@ class TestReadAttr:
         values = expand.read_attr('lib.mod.VALUES', {'lib': 'pkg/sub'}, tmp_path)
         assert values['c'] == (0, 1, 1)
 
+    def test_read_annotated_attr(self, tmp_path):
+        files = {
+            "pkg/__init__.py": "",
+            "pkg/sub/__init__.py": (
+                "VERSION: str = '0.1.1'\n"
+                "raise SystemExit(1)\n"
+            ),
+        }
+        write_files(files, tmp_path)
+        # Make sure this attribute can be read statically
+        assert expand.read_attr('pkg.sub.VERSION', root_dir=tmp_path) == '0.1.1'
+
     def test_import_order(self, tmp_path):
         """
         Sometimes the import machinery will import the parent package of a nested