GitHub Actions: Lint with ruff instead of flake8

.github/workflows/python-app.yml

@@ -18,23 +18,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python 3.10
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v4
       with:
         python-version: "3.10"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8 pytest tox
+        pip install pytest ruff tox
         pip install -r requirements/test.txt
-# Won't pass flake8 yet
-#    - name: Lint with flake8
-#      run: |
-#        # stop the build if there are Python syntax errors or undefined names
-#        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
-#        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-#        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Lint with ruff
+      run: ruff .
     - name: Test with tox
-      run: |
-        tox
+      run: tox

examples/client.py

@@ -156,7 +156,7 @@ def main():
         
         if not args.C:
             secure_socket.enable_crl(1)
-            secure_socket.load_crl_file(args.r, 1);
+            secure_socket.load_crl_file(args.r, 1)
         
         secure_socket.connect((args.h, args.p))
 

setup.py

@@ -21,10 +21,7 @@
 
 # pylint: disable=wrong-import-position
 
-import os
-import sys
 from setuptools import setup
-from setuptools.command.build_ext import build_ext
 
 import re
 VERSIONFILE = "wolfssl/_version.py"

wolfssl/__init__.py

@@ -28,7 +28,7 @@ import sys
 from functools import wraps
 import errno
 from socket import (
-    socket, AF_INET, SOCK_STREAM, SOL_SOCKET, SO_TYPE, error as socket_error
+    socket, AF_INET, SOCK_STREAM, error as socket_error
 )
 
 # pylint: disable=wildcard-import
@@ -487,7 +487,7 @@ class SSLSocket(object):
         """
         Returns True for server-side socket, otherwise False.
         """
-        return self._server_side;
+        return self._server_side
 
     def dup(self):
         raise NotImplementedError("Can't dup() %s instances" %
@@ -998,5 +998,5 @@ class WolfsslPwd_cb(object):
             for i in range(len(result)):
                 passwd[i] = result[i:i + 1]
             return len(result)
-        except Exception as e:
+        except Exception:
             raise ValueError("Problem getting password from callback")

wolfssl/_build_ffi.py

@@ -22,7 +22,6 @@
 
 # pylint: disable=missing-docstring, invalid-name
 
-import argparse
 from contextlib import contextmanager
 from distutils.util import get_platform
 from cffi import FFI
@@ -105,7 +104,7 @@ def checkout_ref(ref):
             current = subprocess.check_output(
                 ["git", "describe", "--all", "--exact-match"]
             ).strip().decode().split('/')[-1]
-        except:
+        except Exception:
             pass
 
         if current != ref: