Use Flake8 code checker as part of running automated tests.

NEWS

@@ -1,5 +1,5 @@
 1.2.7.dev0
- * Use Black code formatter as part of running automated tests.
+ * Use Black code formatter and Flake8 code checker as part of running automated tests.
 
 1.2.6
  * Fix generated configuration to also include a "keep_daily" value so pruning works out of the

README.md

@@ -383,8 +383,9 @@ the following deviations from it:
    indentation with an opening delimeter.
 
 borgmatic code uses the [Black](https://black.readthedocs.io/en/stable/) code
-formatter, so some additional code style requirements will be enforced as
-well. See the Black documentation for more information.
+formatter and [Flake8](http://flake8.pycqa.org/en/latest/) code checker, so
+certain code style requirements will be enforced when running automated tests.
+See the Black and Flake8 documentation for more information.
 
 
 ### Development

borgmatic/commands/convert_config.py

@@ -1,6 +1,5 @@
 from argparse import ArgumentParser
 import os
-from subprocess import CalledProcessError
 import sys
 import textwrap
 

borgmatic/commands/generate_config.py

@@ -1,9 +1,7 @@
 from argparse import ArgumentParser
-import os
-from subprocess import CalledProcessError
 import sys
 
-from borgmatic.config import convert, generate, validate
+from borgmatic.config import generate, validate
 
 
 DEFAULT_DESTINATION_CONFIG_FILENAME = '/etc/borgmatic/config.yaml'

borgmatic/config/convert.py

@@ -109,5 +109,5 @@ Please remove the "--excludes" argument and run borgmatic again.'''
 
 
 def guard_excludes_filename_omitted(excludes_filename):
-    if excludes_filename != None:
+    if excludes_filename is not None:
         raise LegacyExcludesFilenamePresent()

borgmatic/config/generate.py

@@ -1,4 +1,3 @@
-from collections import OrderedDict
 import os
 
 from ruamel import yaml

borgmatic/config/validate.py

@@ -1,6 +1,4 @@
 import logging
-import sys
-import warnings
 
 import pkg_resources
 import pykwalify.core

borgmatic/tests/integration/commands/test_borgmatic.py

@@ -1,5 +1,3 @@
-import os
-
 from flexmock import flexmock
 import pytest
 
@@ -13,7 +11,7 @@ def test_parse_arguments_with_no_arguments_uses_defaults():
     parser = module.parse_arguments()
 
     assert parser.config_paths == config_paths
-    assert parser.excludes_filename == None
+    assert parser.excludes_filename is None
     assert parser.verbosity is 0
     assert parser.json is False
 
@@ -44,7 +42,7 @@ def test_parse_arguments_with_verbosity_flag_overrides_default():
     parser = module.parse_arguments('--verbosity', '1')
 
     assert parser.config_paths == config_paths
-    assert parser.excludes_filename == None
+    assert parser.excludes_filename is None
     assert parser.verbosity == 1
 
 

borgmatic/tests/integration/config/test_validate.py

@@ -1,7 +1,6 @@
 import io
 import string
 import sys
-import os
 
 from flexmock import flexmock
 import pytest

borgmatic/tests/unit/borg/test_check.py

@@ -1,5 +1,6 @@
 from subprocess import STDOUT
-import logging, sys
+import logging
+import sys
 
 from flexmock import flexmock
 import pytest

borgmatic/tests/unit/borg/test_create.py

@@ -1,4 +1,5 @@
-import logging, os
+import logging
+import os
 
 from flexmock import flexmock
 
@@ -45,9 +46,9 @@ def test_initialize_environment_without_configuration_should_not_set_environment
     try:
         os.environ = {}
         module.initialize_environment({})
-        assert os.environ.get('BORG_PASSCOMMAND') == None
-        assert os.environ.get('BORG_PASSPHRASE') == None
-        assert os.environ.get('BORG_RSH') == None
+        assert os.environ.get('BORG_PASSCOMMAND') is None
+        assert os.environ.get('BORG_PASSPHRASE') is None
+        assert os.environ.get('BORG_RSH') is None
     finally:
         os.environ = orig_environ
 

borgmatic/tests/unit/borg/test_extract.py

@@ -1,9 +1,9 @@
-import logging, sys
+import logging
+import sys
 
 from flexmock import flexmock
 
 from borgmatic.borg import extract as module
-from borgmatic.verbosity import VERBOSITY_SOME, VERBOSITY_LOTS
 from borgmatic.tests.unit.test_verbosity import insert_logging_mock
 
 

borgmatic/tests/unit/borg/test_info.py

@@ -1,5 +1,4 @@
 import logging
-from collections import OrderedDict
 
 from flexmock import flexmock
 

borgmatic/tests/unit/borg/test_list.py

@@ -1,5 +1,4 @@
 import logging
-from collections import OrderedDict
 
 from flexmock import flexmock
 

borgmatic/tests/unit/commands/test_borgmatic.py

@@ -2,7 +2,6 @@ import json
 import sys
 
 from flexmock import flexmock
-import pytest
 
 from borgmatic.commands import borgmatic
 

test_requirements.txt

@@ -1,4 +1,5 @@
 black==18.9b0
+flake8==3.5.0
 flexmock==0.10.2
 pykwalify==1.6.1
 pytest==3.8.1

tox.ini

@@ -8,8 +8,13 @@ deps=-rtest_requirements.txt
 commands =
     py.test --cov-report term-missing:skip-covered --cov=borgmatic borgmatic []
     black --skip-string-normalization --line-length 100 --check .
+    flake8 .
 
 [testenv:black]
 basepython=python3.7
 commands =
     black --skip-string-normalization --line-length 100 .
+
+[flake8]
+ignore=E501,W503
+exclude=*.*/*