Optimized safe options

filter_plugins/safe_join.py

@@ -0,0 +1,29 @@
+# file: filter_plugins/safe_join.py
+"""
+Ansible filter plugin that joins a base string and a tail path safely.
+If the base is falsy (None, empty, etc.), returns an empty string.
+"""
+
+def safe_join(base, tail):
+    """
+    Safely join base and tail into a path or URL.
+
+    - base: the base string. If falsy, returns ''.
+    - tail: the string to append. Leading/trailing slashes are handled.
+    - On any exception, returns ''.
+    """
+    try:
+        if not base:
+            return ''
+        base_str = str(base).rstrip('/')
+        tail_str = str(tail).lstrip('/')
+        return f"{base_str}/{tail_str}"
+    except Exception:
+        return ''
+
+
+class FilterModule(object):
+    def filters(self):
+        return {
+            'safe_join': safe_join,
+        }