cache: use path to code, not hardcoded relative path

closes #2350
mandiant · Sep 11, 2024 · 4da8a20 · 4da8a20
1 parent 729a1a8
commit 4da8a20
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/capa/helpers.py b/capa/helpers.py
@@ -352,7 +352,10 @@ def is_cache_newer_than_rule_code(cache_dir: Path) -> bool:
     cache_timestamp = os.path.getmtime(latest_cache_file)
 
     # these are the relevant rules code files that could conflict with using an outdated cache
-    latest_rule_code_file = max([Path("capa/rules/__init__.py"), Path("capa/rules/cache.py")], key=os.path.getmtime)
+    # delayed import due to circular dependencies
+    import capa.rules
+    import capa.rules.cache
+    latest_rule_code_file = max([Path(capa.rules.__file__), Path(capa.rules.cache.__file__)], key=os.path.getmtime)
     rule_code_timestamp = os.path.getmtime(latest_rule_code_file)
 
     if rule_code_timestamp > cache_timestamp: