Wrap unreadable extension list iteration failures

Co-authored-by: Shri Sukhani <shrisukhani@users.noreply.github.com>

Author: cursoragent

hyperbrowser/client/managers/extension_utils.py

@@ -69,8 +69,17 @@ def parse_extension_list_response_data(response_data: Any) -> List[ExtensionResp
             "Expected list in 'extensions' key but got "
             f"{_get_type_name(extensions_value)}"
         )
+    try:
+        extension_items = list(extensions_value)
+    except HyperbrowserError:
+        raise
+    except Exception as exc:
+        raise HyperbrowserError(
+            "Failed to iterate 'extensions' list from response",
+            original_error=exc,
+        ) from exc
     parsed_extensions: List[ExtensionResponse] = []
-    for index, extension in enumerate(extensions_value):
+    for index, extension in enumerate(extension_items):
         if not isinstance(extension, Mapping):
             raise HyperbrowserError(
                 "Expected extension object at index "

tests/test_extension_utils.py

@@ -189,3 +189,16 @@ def __getitem__(self, key: object):
         )
 
     assert exc_info.value.original_error is not None
+
+
+def test_parse_extension_list_response_data_wraps_unreadable_extensions_iteration():
+    class _BrokenExtensionsList(list):
+        def __iter__(self):
+            raise RuntimeError("cannot iterate extensions list")
+
+    with pytest.raises(
+        HyperbrowserError, match="Failed to iterate 'extensions' list from response"
+    ) as exc_info:
+        parse_extension_list_response_data({"extensions": _BrokenExtensionsList([{}])})
+
+    assert exc_info.value.original_error is not None