[PATCH RFC 15/32] python//qmp.py: Define common types

[John Snow]

Define some common types that we'll need to annotate a lot of other
functions going forward.

Signed-off-by: John Snow <address@hidden>
---
 python/qemu/lib/qmp.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/python/qemu/lib/qmp.py b/python/qemu/lib/qmp.py
index a634c4e26c..911da59888 100644
--- a/python/qemu/lib/qmp.py
+++ b/python/qemu/lib/qmp.py
@@ -12,13 +12,31 @@
 import socket
 import logging
 from typing import (
+    Any,
+    Dict,
     Optional,
     TextIO,
     Type,
+    Tuple,
+    Union,
 )
 from types import TracebackType
 
 
+# QMPMessage is a QMP Message of any kind.
+# e.g. {'yee': 'haw'}
+#
+# QMPReturnValue is the inner value of return values only.
+# {'return': {}} is the QMPMessage,
+# {} is the QMPReturnValue.
+QMPMessage = Dict[str, Any]
+QMPReturnValue = Dict[str, Any]
+
+InternetAddrT = Tuple[str, str]
+UnixAddrT = str
+SocketAddrT = Union[InternetAddrT, UnixAddrT]
+
+
 class QMPError(Exception):
     """
     QMP base exception
-- 
2.21.1