qapi: Inheriting from object is pointless with Python 3, drop

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200304155932.20452-2-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>

scripts/qapi/gen.py

@@ -22,7 +22,7 @@ from qapi.common import *
 from qapi.schema import QAPISchemaVisitor
 
 
-class QAPIGen(object):
+class QAPIGen:
 
     def __init__(self, fname):
         self.fname = fname

scripts/qapi/parser.py

@@ -23,7 +23,7 @@ from qapi.error import QAPIParseError, QAPISemError
 from qapi.source import QAPISourceInfo
 
 
-class QAPISchemaParser(object):
+class QAPISchemaParser:
 
     def __init__(self, fname, previously_included=None, incl_info=None):
         previously_included = previously_included or set()
@@ -293,7 +293,7 @@ class QAPISchemaParser(object):
         raise QAPIParseError(self, "documentation comment must end with '##'")
 
 
-class QAPIDoc(object):
+class QAPIDoc:
     """
     A documentation comment block, either definition or free-form
 
@@ -312,7 +312,7 @@ class QAPIDoc(object):
     Free-form documentation blocks consist only of a body section.
     """
 
-    class Section(object):
+    class Section:
         def __init__(self, name=None):
             # optional section name (argument/member or section name)
             self.name = name

scripts/qapi/schema.py

@@ -24,7 +24,7 @@ from qapi.expr import check_exprs
 from qapi.parser import QAPISchemaParser
 
 
-class QAPISchemaEntity(object):
+class QAPISchemaEntity:
     meta = None
 
     def __init__(self, name, info, doc, ifcond=None, features=None):
@@ -89,7 +89,7 @@ class QAPISchemaEntity(object):
         return "%s '%s'" % (self.meta, self.name)
 
 
-class QAPISchemaVisitor(object):
+class QAPISchemaVisitor:
     def visit_begin(self, schema):
         pass
 
@@ -135,7 +135,7 @@ class QAPISchemaVisitor(object):
         pass
 
 
-class QAPISchemaModule(object):
+class QAPISchemaModule:
     def __init__(self, name):
         self.name = name
         self._entity_list = []
@@ -441,7 +441,7 @@ class QAPISchemaObjectType(QAPISchemaType):
                                        self.features)
 
 
-class QAPISchemaMember(object):
+class QAPISchemaMember:
     """ Represents object members, enum members and features """
     role = 'member'
 
@@ -519,7 +519,7 @@ class QAPISchemaObjectTypeMember(QAPISchemaMember):
                                         self.describe)
 
 
-class QAPISchemaObjectTypeVariants(object):
+class QAPISchemaObjectTypeVariants:
     def __init__(self, tag_name, info, tag_member, variants):
         # Flat unions pass tag_name but not tag_member.
         # Simple unions and alternates pass tag_member but not tag_name.
@@ -787,7 +787,7 @@ class QAPISchemaEvent(QAPISchemaEntity):
                             self.arg_type, self.boxed)
 
 
-class QAPISchema(object):
+class QAPISchema:
     def __init__(self, fname):
         self.fname = fname
         parser = QAPISchemaParser(fname)

scripts/qapi/source.py

@@ -13,7 +13,7 @@ import copy
 import sys
 
 
-class QAPISchemaPragma(object):
+class QAPISchemaPragma:
     def __init__(self):
         # Are documentation comments required?
         self.doc_required = False
@@ -23,7 +23,7 @@ class QAPISchemaPragma(object):
         self.name_case_whitelist = []
 
 
-class QAPISourceInfo(object):
+class QAPISourceInfo:
     def __init__(self, fname, line, parent):
         self.fname = fname
         self.line = line