Add tox config, fix style

ferrit.py

@@ -1,19 +1,16 @@
+import argparse
+import json
 import os
-import sys
 import re
-from subprocess import run, CalledProcessError, PIPE, DEVNULL
-import json
-import argparse
+import sys
 from functools import partial
+from subprocess import DEVNULL, PIPE, CalledProcessError, run
+from urllib.parse import quote, urljoin, urlparse
+
 import requests
-from requests_futures.sessions import FuturesSession
 import urllib3
-from urllib.parse import quote, urljoin, urlparse
-from pkg_resources import (
-    get_distribution,
-    DistributionNotFound,
-    RequirementParseError,
-)
+from pkg_resources import DistributionNotFound, RequirementParseError, get_distribution
+from requests_futures.sessions import FuturesSession
 
 
 urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
@@ -23,7 +20,6 @@
 except (DistributionNotFound, RequirementParseError):
     __version__ = None
 
-
 GITARGS = ["git", "-c", "advice.detachedHead=false"]
 
 

setup.py

@@ -20,7 +20,7 @@
         "console_scripts": [
             "fe=ferrit:main",
             "ferrit=ferrit:main",
-        ]
+        ],
     },
     zip_safe=True,
     use_scm_version=True,

tox.ini

@@ -0,0 +1,50 @@
+[flake8]
+max-line-length = 99
+exclude =
+    .git,
+    .tox,
+    .vscode,
+    __pycache__,
+    build,
+    dist,
+    *.egg-info,
+    env,
+    venv,
+    .eggs,
+ignore =
+    E133,
+    W503,
+    E741,
+    B007,
+    C819,
+    FS003,
+
+[isort]
+line_length = 99
+lines_after_imports = 2
+multi_line_output = 3
+indent = 4
+include_trailing_comma = true
+skip =
+    .git,
+    .tox,
+    .vscode,
+    __pycache__,
+    build,
+    dist,
+    *.egg-info,
+    env,
+    venv,
+    .eggs,
+
+[testenv]
+deps =
+    flake8
+    flake8-bugbear
+    flake8-commas
+    flake8-comprehensions
+    flake8-isort
+    flake8-mutable
+    flake8-walrus
+commands =
+    flake8