From 2948e2e900470b22b21bc9231ad12aa6dd5e61bf Mon Sep 17 00:00:00 2001
From: Takashi Kajinami <kajinamit@oss.nttdata.com>
Date: Mon, 14 Apr 2025 13:12:28 +0900
Subject: [PATCH] Run pyupgrade to clean up Python 2 syntaxes

Python 2 support was removed long ago so we can clean up the syntaxes
to support it.

Change-Id: Ic7afb8cec6e4bd74f3b1b22d8ff27c45972a5b94
---
 .pre-commit-config.yaml                  |  5 +++++
 ceilometermiddleware/__init__.py         |  2 --
 ceilometermiddleware/swift.py            |  6 +++---
 ceilometermiddleware/tests/base.py       |  2 --
 ceilometermiddleware/tests/test_swift.py | 11 +++++------
 doc/source/conf.py                       |  1 -
 releasenotes/source/conf.py              |  4 ++--
 7 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index d174849..31d9d64 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -23,3 +23,8 @@ repos:
     hooks:
       - id: hacking
         additional_dependencies: []
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v3.18.0
+    hooks:
+      - id: pyupgrade
+        args: [--py3-only]
diff --git a/ceilometermiddleware/__init__.py b/ceilometermiddleware/__init__.py
index f5cdc8c..654fc96 100644
--- a/ceilometermiddleware/__init__.py
+++ b/ceilometermiddleware/__init__.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
 # not use this file except in compliance with the License. You may obtain
 # a copy of the License at
diff --git a/ceilometermiddleware/swift.py b/ceilometermiddleware/swift.py
index 9e0082c..37b002c 100644
--- a/ceilometermiddleware/swift.py
+++ b/ceilometermiddleware/swift.py
@@ -100,7 +100,7 @@ def _log_and_ignore_error(fn):
     return wrapper
 
 
-class InputProxy(object):
+class InputProxy:
     """File-like object that counts bytes read.
 
     To be swapped in for wsgi.input for accounting purposes.
@@ -147,7 +147,7 @@ class KeystoneClientLoader(ksa_adapter.Adapter):
         return ks_client.Client
 
 
-class Swift(object):
+class Swift:
     """Swift middleware used for counting requests."""
 
     event_queue = None
@@ -412,7 +412,7 @@ class Swift(object):
 class SendEventThread(threading.Thread):
 
     def __init__(self, notifier):
-        super(SendEventThread, self).__init__()
+        super().__init__()
         self.notifier = notifier
 
     def run(self):
diff --git a/ceilometermiddleware/tests/base.py b/ceilometermiddleware/tests/base.py
index 1c30cdb..2159808 100644
--- a/ceilometermiddleware/tests/base.py
+++ b/ceilometermiddleware/tests/base.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 # Copyright 2010-2011 OpenStack Foundation
 # Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
 #
diff --git a/ceilometermiddleware/tests/test_swift.py b/ceilometermiddleware/tests/test_swift.py
index 43e0835..2d270f0 100644
--- a/ceilometermiddleware/tests/test_swift.py
+++ b/ceilometermiddleware/tests/test_swift.py
@@ -24,7 +24,7 @@ from ceilometermiddleware.tests import base as tests_base
 from keystoneauth1.fixture import keystoneauth_betamax as betamax
 
 
-class FakeApp(object):
+class FakeApp:
     def __init__(self, body=None):
         self.body = body or ['This string is 28 bytes long']
 
@@ -36,11 +36,10 @@ class FakeApp(object):
         ])
         while env['wsgi.input'].read(5):
             pass
-        for line in self.body:
-            yield line
+        yield from self.body
 
 
-class FakeRequest(object):
+class FakeRequest:
     """A bare bones request object
 
     The middleware will inspect this for request method,
@@ -65,7 +64,7 @@ class FakeRequest(object):
 class TestSwift(tests_base.TestCase):
 
     def setUp(self):
-        super(TestSwift, self).setUp()
+        super().setUp()
         cfg.CONF([], project='ceilometermiddleware')
         self.addCleanup(cfg.CONF.reset)
 
@@ -261,7 +260,7 @@ class TestSwift(tests_base.TestCase):
         app = swift.Swift(FakeApp(), {
             'metadata_headers': 'unicode'
         })
-        uni = u'\xef\xbd\xa1\xef\xbd\xa5'
+        uni = '\xef\xbd\xa1\xef\xbd\xa5'
         req = self.get_request('/1.0/account/container',
                                environ={'REQUEST_METHOD': 'GET'},
                                headers={'UNICODE': uni})
diff --git a/doc/source/conf.py b/doc/source/conf.py
index e383948..51ad808 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index d3ca192..a238094 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -54,8 +54,8 @@ master_doc = 'index'
 # General information about the project.
 author = 'Ceilometer Middleware Contributors'
 category = 'Miscellaneous'
-copyright = u'2016, Ceilometer Middleware Developers'
-project = u'Ceilometer Middleware Release Notes'
+copyright = '2016, Ceilometer Middleware Developers'
+project = 'Ceilometer Middleware Release Notes'
 description = 'Ceilometer Middleware publishes traffic measures for Swift.'
 title = 'Ceilometer Middleware Release Notes'
 target_name = 'ceilometermiddleware'