QAPI patches patches for 2023-10-19

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Merge tag 'pull-qapi-2023-10-19' of https://repo.or.cz/qemu/armbru into staging

QAPI patches patches for 2023-10-19

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# gpg: Signature made Thu 19 Oct 2023 07:00:34 PDT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-qapi-2023-10-19' of https://repo.or.cz/qemu/armbru:
  qapi: provide a friendly string representation of QAPI classes
  qapi: Belatedly update CompatPolicy documentation for unstable
  qapi: re-establish linting baseline

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

qapi/compat.json

@@ -43,8 +43,8 @@
 # This is intended for testing users of the management interfaces.
 #
 # Limitation: covers only syntactic aspects of QMP, i.e. stuff tagged
-# with feature 'deprecated'.  We may want to extend it to cover
-# semantic aspects and CLI.
+# with feature 'deprecated' or 'unstable'.  We may want to extend it
+# to cover semantic aspects and CLI.
 #
 # Limitation: deprecated-output policy @hide is not implemented for
 # enumeration values.  They behave the same as with policy @accept.

scripts/qapi/gen.py

@@ -13,8 +13,8 @@
 
 from contextlib import contextmanager
 import os
-import sys
 import re
+import sys
 from typing import (
     Dict,
     Iterator,

scripts/qapi/parser.py

@@ -22,6 +22,7 @@ from typing import (
     Dict,
     List,
     Mapping,
+    Match,
     Optional,
     Set,
     Union,
@@ -563,11 +564,11 @@ class QAPIDoc:
         self._switch_section(QAPIDoc.NullSection(self._parser))
 
     @staticmethod
-    def _match_at_name_colon(string: str):
+    def _match_at_name_colon(string: str) -> Optional[Match[str]]:
         return re.match(r'@([^:]*): *', string)
 
     @staticmethod
-    def _match_section_tag(string: str):
+    def _match_section_tag(string: str) -> Optional[Match[str]]:
         return re.match(r'(Returns|Since|Notes?|Examples?|TODO): *', string)
 
     def _append_body_line(self, line: str) -> None:

scripts/qapi/schema.py

@@ -73,6 +73,11 @@ class QAPISchemaEntity:
         self.features = features or []
         self._checked = False
 
+    def __repr__(self):
+        if self.name is None:
+            return "<%s at 0x%x>" % (type(self).__name__, id(self))
+        return "<%s:%s at 0x%x>" % type(self).__name__, self.name, id(self)
+
     def c_name(self):
         return c_name(self.name)