stubtest: use separate table in METADATA.toml (#8096)

tests/check_consistent.py

@@ -19,15 +19,8 @@ import re
 import tomli
 
 consistent_files = [{"stdlib/@python2/builtins.pyi", "stdlib/@python2/__builtin__.pyi"}]
-metadata_keys = {
-    "version",
-    "requires",
-    "extra_description",
-    "obsolete_since",
-    "no_longer_updated",
-    "stubtest",
-    "stubtest_apt_dependencies",
-}
+metadata_keys = {"version", "requires", "extra_description", "obsolete_since", "no_longer_updated", "tool"}
+tool_keys = {"stubtest": {"skip", "apt_dependencies"}}
 allowed_files = {"README.md"}
 
 
@@ -184,6 +177,11 @@ def check_metadata() -> None:
                 for part in dep_version.split("."):
                     assert part.isnumeric(), f"Bad version '{part}' in dependency {dep}"
 
+        assert set(data.get("tool", [])).issubset(tool_keys.keys()), f"Unrecognised tool for {distribution}"
+        for tool, tk in tool_keys.items():
+            for key in data.get("tool", {}).get(tool, {}):
+                assert key in tk, f"Unrecognised {tool} key {key} for {distribution}"
+
 
 if __name__ == "__main__":
     check_stdlib()

tests/get_apt_packages.py

@@ -10,5 +10,5 @@ if not distributions:
 
 for distribution in distributions:
     with open(f"stubs/{distribution}/METADATA.toml", "rb") as file:
-        for apt_package in tomli.load(file).get("stubtest_apt_dependencies", []):
+        for apt_package in tomli.load(file).get("tool", {}).get("stubtest", {}).get("apt_dependencies", []):
             print(apt_package)

tests/stubtest_third_party.py

@@ -28,7 +28,8 @@ def run_stubtest(dist: Path, *, verbose: bool = False) -> bool:
 
     print(f"{dist.name}... ", end="")
 
-    if not metadata.get("stubtest", True):
+    stubtest_meta = metadata.get("tool", {}).get("stubtest", {})
+    if stubtest_meta.get("skip", False):
         print(colored("skipping", "yellow"))
         return True