Add more checks

.github/scripts/check_js_templates.py

@@ -71,7 +71,7 @@ def check_prohibited_tags(data):
 for filename in pathlib.Path(js_i18n_dir).rglob('*.js'):
     print(f"Checking file 'translated/{os.path.basename(filename)}':")
 
-    with open(filename, 'r') as js_file:
+    with open(filename) as js_file:
         data = js_file.readlines()
 
     errors += check_invalid_tag(data)
@@ -81,7 +81,7 @@ for filename in pathlib.Path(js_dynamic_dir).rglob('*.js'):
     print(f"Checking file 'dynamic/{os.path.basename(filename)}':")
 
     # Check that the 'dynamic' files do not contains any translated strings
-    with open(filename, 'r') as js_file:
+    with open(filename) as js_file:
         data = js_file.readlines()
 
     invalid_tags = ['blocktrans', 'blocktranslate', 'trans', 'translate']

.github/scripts/check_migration_files.py

@@ -20,9 +20,9 @@ for line in str(out.decode()).split('\n'):
 if len(migrations) == 0:
     sys.exit(0)
 
-print('There are {n} unstaged migration files:'.format(n=len(migrations)))
+print(f'There are {len(migrations)} unstaged migration files:')
 
 for m in migrations:
-    print(' - {m}'.format(m=m))
+    print(f' - {m}')
 
 sys.exit(len(migrations))

.github/scripts/version_check.py

@@ -89,7 +89,7 @@ def check_version_number(version_string, allow_duplicate=False):
 
         if release > version_tuple:
             highest_release = False
-            print(f'Found newer release: {str(release)}')
+            print(f'Found newer release: {release!s}')
 
     return highest_release
 
@@ -134,7 +134,7 @@ if __name__ == '__main__':
 
     version = None
 
-    with open(version_file, 'r') as f:
+    with open(version_file) as f:
         text = f.read()
 
         # Extract the InvenTree software version

docs/ci/check_mkdocs_config.py

@@ -10,7 +10,7 @@ tld = os.path.abspath(os.path.join(here, '..'))
 
 config_file = os.path.join(tld, 'mkdocs.yml')
 
-with open(config_file, 'r') as f:
+with open(config_file) as f:
     data = yaml.load(f, yaml.BaseLoader)
 
     assert data['strict'] == 'true'

docs/docs/hooks.py

@@ -57,7 +57,7 @@ def fetch_rtd_versions():
     versions = sorted(versions, key=lambda x: StrictVersion(x['version']), reverse=True)
 
     # Add "latest" version first
-    if not any((x['title'] == 'latest' for x in versions)):
+    if not any(x['title'] == 'latest' for x in versions):
         versions.insert(
             0,
             {
@@ -70,7 +70,7 @@ def fetch_rtd_versions():
     # Ensure we have the 'latest' version
     current_version = os.environ.get('READTHEDOCS_VERSION', None)
 
-    if current_version and not any((x['title'] == current_version for x in versions)):
+    if current_version and not any(x['title'] == current_version for x in versions):
         versions.append({
             'version': current_version,
             'title': current_version,

docs/extract_schema.py

@@ -46,7 +46,7 @@ def top_level_path(path: str) -> str:
 
     key = path.split('/')[1]
 
-    if key in SPECIAL_PATHS.keys():
+    if key in SPECIAL_PATHS:
         return key
 
     return GENERAL_PATH
@@ -173,7 +173,7 @@ def parse_api_file(filename: str):
 
     The intent is to make the API schema easier to peruse on the documentation.
     """
-    with open(filename, 'r') as f:
+    with open(filename) as f:
         data = yaml.safe_load(f)
 
     paths = data['paths']

docs/main.py

@@ -16,7 +16,7 @@ global USER_SETTINGS
 here = os.path.dirname(__file__)
 settings_file = os.path.join(here, 'inventree_settings.json')
 
-with open(settings_file, 'r') as sf:
+with open(settings_file) as sf:
     settings = json.load(sf)
 
     GLOBAL_SETTINGS = settings['global']
@@ -27,7 +27,7 @@ def get_repo_url(raw=False):
     """Return the repository URL for the current project."""
     mkdocs_yml = os.path.join(os.path.dirname(__file__), 'mkdocs.yml')
 
-    with open(mkdocs_yml, 'r') as f:
+    with open(mkdocs_yml) as f:
         mkdocs_config = yaml.safe_load(f)
         repo_name = mkdocs_config['repo_name']
 
@@ -47,7 +47,7 @@ def check_link(url) -> bool:
 
     # Keep a local cache file of URLs we have already checked
     if os.path.exists(CACHE_FILE):
-        with open(CACHE_FILE, 'r') as f:
+        with open(CACHE_FILE) as f:
             cache = f.read().splitlines()
 
         if url in cache:
@@ -177,7 +177,7 @@ def define_env(env):
 
         assert subprocess.call(command, shell=True) == 0
 
-        with open(output, 'r') as f:
+        with open(output) as f:
             content = f.read()
 
         return content
@@ -214,7 +214,7 @@ def define_env(env):
         if not os.path.exists(path):
             raise FileNotFoundError(f'Required file {path} does not exist.')
 
-        with open(path, 'r') as f:
+        with open(path) as f:
             content = f.read()
 
         data = f'??? abstract "{title}"\n\n'
@@ -240,8 +240,8 @@ def define_env(env):
         """Render a provided setting object into a table row."""
         name = setting['name']
         description = setting['description']
-        default = setting.get('default', None)
-        units = setting.get('units', None)
+        default = setting.get('default')
+        units = setting.get('units')
 
         return f'| {name} | {description} | {default if default is not None else ""} | {units if units is not None else ""} |'
 

pyproject.toml

@@ -20,13 +20,15 @@ src = ["src/backend/InvenTree"]
 "__init__.py" = ["D104"]
 
 [tool.ruff.lint]
-select = ["A", "B", "C4", "D", "I", "N", "F"]
+select = ["A", "B", "C", "C4", "D", "F", "I", "N", "PIE", "UP", "W"]
 # Things that should be enabled in the future:
 # - LOG
 # - DJ # for Django stuff
 # - S # for security stuff (bandit)
 
 ignore = [
+    "C901",
+    # - C901 - function is too complex
     "N999",
     # - N802 - function name should be lowercase
 	"N802",

src/backend/InvenTree/InvenTree/api.py

@@ -321,7 +321,6 @@ class BulkDeleteMixin:
         Raises:
             ValidationError: If the deletion should not proceed
         """
-        pass
 
     def filter_delete_queryset(self, queryset, request):
         """Provide custom filtering for the queryset *before* it is deleted.
@@ -398,8 +397,6 @@ class BulkDeleteMixin:
 class ListCreateDestroyAPIView(BulkDeleteMixin, ListCreateAPI):
     """Custom API endpoint which provides BulkDelete functionality in addition to List and Create."""
 
-    ...
-
 
 class APISearchViewSerializer(serializers.Serializer):
     """Serializer for the APISearchView."""

src/backend/InvenTree/InvenTree/apps.py

@@ -125,7 +125,7 @@ class InvenTreeConfig(AppConfig):
         for task in tasks:
             ref_name = f'{task.func.__module__}.{task.func.__name__}'
 
-            if ref_name in existing_tasks.keys():
+            if ref_name in existing_tasks:
                 # This task already exists - update the details if required
                 existing_task = existing_tasks[ref_name]
 

src/backend/InvenTree/InvenTree/config.py

@@ -131,7 +131,7 @@ def load_config_data(set_cache: bool = False) -> map:
 
     cfg_file = get_config_file()
 
-    with open(cfg_file, 'r') as cfg:
+    with open(cfg_file) as cfg:
         data = yaml.safe_load(cfg)
 
     # Set the cache if requested

src/backend/InvenTree/InvenTree/context.py

@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 """Provides extra global data to all templates."""
 
 import InvenTree.email

src/backend/InvenTree/InvenTree/conversion.py

@@ -95,7 +95,7 @@ def from_engineering_notation(value):
     """
     value = str(value).strip()
 
-    pattern = '(\d+)([a-zA-Z]+)(\d+)(.*)'
+    pattern = r'(\d+)([a-zA-Z]+)(\d+)(.*)'
 
     if match := re.match(pattern, value):
         left, prefix, right, suffix = match.groups()

src/backend/InvenTree/InvenTree/exceptions.py

@@ -1,7 +1,6 @@
 """Custom exception handling for the DRF API."""
 
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 
 import logging
 import sys

src/backend/InvenTree/InvenTree/format.py

@@ -107,7 +107,7 @@ def construct_format_regex(fmt_string: str) -> str:
         if name:
             # Check if integer values are required
             if _fmt.endswith('d'):
-                c = '\d'
+                c = r'\d'
             else:
                 c = '.'
 
@@ -199,7 +199,7 @@ def format_money(
     Raises:
         ValueError: format string is incorrectly specified
     """
-    language = None and translation.get_language() or settings.LANGUAGE_CODE
+    language = (None and translation.get_language()) or settings.LANGUAGE_CODE
     locale = Locale.parse(translation.to_locale(language))
     if format:
         pattern = parse_pattern(format)

src/backend/InvenTree/InvenTree/forms.py

@@ -266,9 +266,8 @@ class RegistratonMixin:
                 raise forms.ValidationError(
                     _('The provided primary email address is not valid.')
                 )
-            else:
-                if split_email[1] == option[1:]:
-                    return super().clean_email(email)
+            elif split_email[1] == option[1:]:
+                return super().clean_email(email)
 
         logger.info('The provided email domain for %s is not approved', email)
         raise forms.ValidationError(_('The provided email domain is not approved.'))

src/backend/InvenTree/InvenTree/helpers.py

@@ -12,12 +12,12 @@ from pathlib import Path
 from typing import TypeVar, Union
 from wsgiref.util import FileWrapper
 
-import django.utils.timezone as timezone
 from django.conf import settings
 from django.contrib.staticfiles.storage import StaticFilesStorage
 from django.core.exceptions import FieldError, ValidationError
 from django.core.files.storage import Storage, default_storage
 from django.http import StreamingHttpResponse
+from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 
 import pytz
@@ -800,10 +800,10 @@ def remove_non_printable_characters(
     if remove_unicode:
         # Remove Unicode control characters
         if remove_newline:
-            cleaned = regex.sub('[^\P{C}]+', '', cleaned)
+            cleaned = regex.sub(r'[^\P{C}]+', '', cleaned)
         else:
             # Use 'negative-lookahead' to exclude newline character
-            cleaned = regex.sub('(?![\x0a])[^\P{C}]+', '', cleaned)
+            cleaned = regex.sub('(?![\x0a])[^\\P{C}]+', '', cleaned)
 
     return cleaned
 

src/backend/InvenTree/InvenTree/helpers_model.py

@@ -130,7 +130,7 @@ def download_image_from_url(remote_url, timeout=2.5):
         # Throw an error if anything goes wrong
         response.raise_for_status()
     except requests.exceptions.ConnectionError as exc:
-        raise Exception(_('Connection error') + f': {str(exc)}')
+        raise Exception(_('Connection error') + f': {exc!s}')
     except requests.exceptions.Timeout as exc:
         raise exc
     except requests.exceptions.HTTPError:
@@ -138,7 +138,7 @@ def download_image_from_url(remote_url, timeout=2.5):
             _('Server responded with invalid status code') + f': {response.status_code}'
         )
     except Exception as exc:
-        raise Exception(_('Exception occurred') + f': {str(exc)}')
+        raise Exception(_('Exception occurred') + f': {exc!s}')
 
     if response.status_code != 200:
         raise Exception(

src/backend/InvenTree/InvenTree/management/commands/migrate_icons.py

@@ -110,7 +110,7 @@ class Command(BaseCommand):
 
         # Import icon map file
         if kwargs['input_file']:
-            with open(kwargs['input_file'], 'r') as f:
+            with open(kwargs['input_file']) as f:
                 icons = json.load(f)
 
             self.stdout.write(f'Loaded icon map for {len(icons.keys())} icons')

src/backend/InvenTree/InvenTree/management/commands/rebuild_thumbnails.py

@@ -35,7 +35,7 @@ class Command(BaseCommand):
                 img_paths.append(x.path)
 
         if len(img_paths) > 0:
-            if all((os.path.exists(path) for path in img_paths)):
+            if all(os.path.exists(path) for path in img_paths):
                 # All images exist - skip further work
                 return
 

src/backend/InvenTree/InvenTree/management/commands/remove_mfa.py

@@ -35,4 +35,4 @@ class Command(BaseCommand):
             mfa_user[0].staticdevice_set.all().delete()
             # TOTP tokens
             mfa_user[0].totpdevice_set.all().delete()
-            print(f'Removed all MFA methods for user {str(mfa_user[0])}')
+            print(f'Removed all MFA methods for user {mfa_user[0]!s}')

src/backend/InvenTree/InvenTree/middleware.py

@@ -36,7 +36,7 @@ def get_token_from_request(request):
     return None
 
 
-class AuthRequiredMiddleware(object):
+class AuthRequiredMiddleware:
     """Check for user to be authenticated."""
 
     def __init__(self, get_response):
@@ -92,23 +92,18 @@ class AuthRequiredMiddleware(object):
 
             # Allow static files to be accessed without auth
             # Important for e.g. login page
-            if request.path_info.startswith('/static/'):
-                authorized = True
-
-            # Unauthorized users can access the login page
-            elif request.path_info.startswith('/accounts/'):
-                authorized = True
-
-            elif (
-                request.path_info.startswith(f'/{settings.FRONTEND_URL_BASE}/')
-                or request.path_info.startswith('/assets/')
-                or request.path_info == f'/{settings.FRONTEND_URL_BASE}'
+            if (
+                request.path_info.startswith('/static/')
+                or request.path_info.startswith('/accounts/')
+                or (
+                    request.path_info.startswith(f'/{settings.FRONTEND_URL_BASE}/')
+                    or request.path_info.startswith('/assets/')
+                    or request.path_info == f'/{settings.FRONTEND_URL_BASE}'
+                )
+                or self.check_token(request)
             ):
                 authorized = True
 
-            elif self.check_token(request):
-                authorized = True
-
             # No authorization was found for the request
             if not authorized:
                 path = request.path_info

src/backend/InvenTree/InvenTree/mixins.py

@@ -128,14 +128,10 @@ class CreateAPI(CleanMixin, generics.CreateAPIView):
 class RetrieveAPI(generics.RetrieveAPIView):
     """View for retrieve API."""
 
-    pass
-
 
 class RetrieveUpdateAPI(CleanMixin, generics.RetrieveUpdateAPIView):
     """View for retrieve and update API."""
 
-    pass
-
 
 class CustomDestroyModelMixin:
     """This mixin was created pass the kwargs from the API to the models."""

src/backend/InvenTree/InvenTree/models.py

@@ -1099,4 +1099,4 @@ def after_error_logged(sender, instance: Error, created: bool, **kwargs):
 
         except Exception as exc:
             """We do not want to throw an exception while reporting an exception"""
-            logger.error(exc)  # noqa: LOG005
+            logger.error(exc)

src/backend/InvenTree/InvenTree/permissions.py

@@ -105,8 +105,7 @@ class IsStaffOrReadOnly(permissions.IsAdminUser):
     def has_permission(self, request, view):
         """Check if the user is a superuser."""
         return bool(
-            request.user
-            and request.user.is_staff
+            (request.user and request.user.is_staff)
             or request.method in permissions.SAFE_METHODS
         )
 

src/backend/InvenTree/InvenTree/ready.py

@@ -11,43 +11,37 @@ def isInTestMode():
 
 def isImportingData():
     """Returns True if the database is currently importing (or exporting) data, e.g. 'loaddata' command is performed."""
-    return any((x in sys.argv for x in ['flush', 'loaddata', 'dumpdata']))
+    return any(x in sys.argv for x in ['flush', 'loaddata', 'dumpdata'])
 
 
 def isRunningMigrations():
     """Return True if the database is currently running migrations."""
     return any(
-        (
-            x in sys.argv
-            for x in ['migrate', 'makemigrations', 'showmigrations', 'runmigrations']
-        )
+        x in sys.argv
+        for x in ['migrate', 'makemigrations', 'showmigrations', 'runmigrations']
     )
 
 
 def isRebuildingData():
     """Return true if any of the rebuilding commands are being executed."""
     return any(
-        (
-            x in sys.argv
-            for x in ['prerender', 'rebuild_models', 'rebuild_thumbnails', 'rebuild']
-        )
+        x in sys.argv
+        for x in ['prerender', 'rebuild_models', 'rebuild_thumbnails', 'rebuild']
     )
 
 
 def isRunningBackup():
     """Return true if any of the backup commands are being executed."""
     return any(
-        (
-            x in sys.argv
-            for x in [
-                'backup',
-                'restore',
-                'dbbackup',
-                'dbresotore',
-                'mediabackup',
-                'mediarestore',
-            ]
-        )
+        x in sys.argv
+        for x in [
+            'backup',
+            'restore',
+            'dbbackup',
+            'dbresotore',
+            'mediabackup',
+            'mediarestore',
+        ]
     )
 
 

src/backend/InvenTree/InvenTree/serializers.py

@@ -390,8 +390,6 @@ class InvenTreeTaggitSerializer(TaggitSerializer):
 class InvenTreeTagModelSerializer(InvenTreeTaggitSerializer, InvenTreeModelSerializer):
     """Combination of InvenTreeTaggitSerializer and InvenTreeModelSerializer."""
 
-    pass
-
 
 class UserSerializer(InvenTreeModelSerializer):
     """Serializer for a User."""
@@ -704,7 +702,6 @@ class DataFileUploadSerializer(serializers.Serializer):
 
     def save(self):
         """Empty overwrite for save."""
-        ...
 
 
 class DataFileExtractSerializer(serializers.Serializer):
@@ -824,7 +821,6 @@ class DataFileExtractSerializer(serializers.Serializer):
 
     def save(self):
         """No "save" action for this serializer."""
-        pass
 
 
 class NotesFieldMixin:

src/backend/InvenTree/InvenTree/settings.py

@@ -281,7 +281,7 @@ QUERYCOUNT = {
         'MIN_TIME_TO_LOG': 0.1,
         'MIN_QUERY_COUNT_TO_LOG': 25,
     },
-    'IGNORE_REQUEST_PATTERNS': ['^(?!\/(api)?(plugin)?\/).*'],
+    'IGNORE_REQUEST_PATTERNS': [r'^(?!\/(api)?(plugin)?\/).*'],
     'IGNORE_SQL_PATTERNS': [],
     'DISPLAY_DUPLICATES': 1,
     'RESPONSE_HEADER': 'X-Django-Query-Count',
@@ -298,7 +298,7 @@ if (
     and INVENTREE_ADMIN_ENABLED
     and not TESTING
     and get_boolean_setting('INVENTREE_DEBUG_SHELL', 'debug_shell', False)
-):  # noqa
+):
     try:
         import django_admin_shell  # noqa: F401
 
@@ -1065,7 +1065,7 @@ COOKIE_MODE = (
 
 valid_cookie_modes = {'lax': 'Lax', 'strict': 'Strict', 'none': None, 'null': None}
 
-if COOKIE_MODE not in valid_cookie_modes.keys():
+if COOKIE_MODE not in valid_cookie_modes:
     logger.error('Invalid cookie samesite mode: %s', COOKIE_MODE)
     sys.exit(-1)
 

src/backend/InvenTree/InvenTree/social_auth_urls.py

@@ -94,20 +94,19 @@ for name, provider in providers.registry.provider_map.items():
     urls = []
     if len(adapters) == 1:
         urls = handle_oauth2(adapter=adapters[0])
+    elif provider.id in legacy:
+        logger.warning(
+            '`%s` is not supported on platform UI. Use `%s` instead.',
+            provider.id,
+            legacy[provider.id],
+        )
+        continue
     else:
-        if provider.id in legacy:
-            logger.warning(
-                '`%s` is not supported on platform UI. Use `%s` instead.',
-                provider.id,
-                legacy[provider.id],
-            )
-            continue
-        else:
-            logger.error(
-                'Found handler that is not yet ready for platform UI: `%s`. Open an feature request on GitHub if you need it implemented.',
-                provider.id,
-            )
-            continue
+        logger.error(
+            'Found handler that is not yet ready for platform UI: `%s`. Open an feature request on GitHub if you need it implemented.',
+            provider.id,
+        )
+        continue
     provider_urlpatterns += [path(f'{provider.id}/', include(urls))]
 
 

src/backend/InvenTree/InvenTree/status.py

@@ -1,5 +1,4 @@
 """Provides system status functionality checks."""
-# -*- coding: utf-8 -*-
 
 import logging
 from datetime import timedelta

src/backend/InvenTree/InvenTree/tasks.py

@@ -206,7 +206,7 @@ def offload_task(
             raise_warning(f"WARNING: '{taskname}' not offloaded - Function not found")
             return False
         except Exception as exc:
-            raise_warning(f"WARNING: '{taskname}' not offloaded due to {str(exc)}")
+            raise_warning(f"WARNING: '{taskname}' not offloaded due to {exc!s}")
             log_error('InvenTree.offload_task')
             return False
     else:
@@ -256,7 +256,7 @@ def offload_task(
             _func(*args, **kwargs)
         except Exception as exc:
             log_error('InvenTree.offload_task')
-            raise_warning(f"WARNING: '{taskname}' failed due to {str(exc)}")
+            raise_warning(f"WARNING: '{taskname}' failed due to {exc!s}")
             raise exc
 
     # Finally, task either completed successfully or was offloaded

src/backend/InvenTree/InvenTree/templatetags/i18n.py

@@ -80,7 +80,7 @@ def do_translate(parser, token):
     """
     bits = token.split_contents()
     if len(bits) < 2:
-        raise TemplateSyntaxError("'%s' takes at least one argument" % bits[0])
+        raise TemplateSyntaxError(f"'{bits[0]}' takes at least one argument")
     message_string = parser.compile_filter(bits[1])
     remaining = bits[2:]
 
@@ -95,7 +95,7 @@ def do_translate(parser, token):
         option = remaining.pop(0)
         if option in seen:
             raise TemplateSyntaxError(
-                "The '%s' option was specified more than once." % option
+                f"The '{option}' option was specified more than once."
             )
         elif option == 'noop':
             noop = True
@@ -104,13 +104,12 @@ def do_translate(parser, token):
                 value = remaining.pop(0)
             except IndexError:
                 raise TemplateSyntaxError(
-                    "No argument provided to the '%s' tag for the context option."
-                    % bits[0]
+                    f"No argument provided to the '{bits[0]}' tag for the context option."
                 )
             if value in invalid_context:
                 raise TemplateSyntaxError(
-                    "Invalid argument '%s' provided to the '%s' tag for the context "
-                    'option' % (value, bits[0])
+                    f"Invalid argument '{value}' provided to the '{bits[0]}' tag for the context "
+                    'option'
                 )
             message_context = parser.compile_filter(value)
         elif option == 'as':
@@ -118,16 +117,15 @@ def do_translate(parser, token):
                 value = remaining.pop(0)
             except IndexError:
                 raise TemplateSyntaxError(
-                    "No argument provided to the '%s' tag for the as option." % bits[0]
+                    f"No argument provided to the '{bits[0]}' tag for the as option."
                 )
             asvar = value
         elif option == 'escape':
             escape = True
         else:
             raise TemplateSyntaxError(
-                "Unknown argument for '%s' tag: '%s'. The only options "
+                f"Unknown argument for '{bits[0]}' tag: '{option}'. The only options "
                 "available are 'noop', 'context' \"xxx\", and 'as VAR'."
-                % (bits[0], option)
             )
         seen.add(option)
 

src/backend/InvenTree/InvenTree/templatetags/inventree_extras.py

@@ -498,7 +498,7 @@ def primitive_to_javascript(primitive):
     elif type(primitive) in [int, float]:
         return primitive
     # Wrap with quotes
-    return format_html("'{}'", primitive)  # noqa: P103
+    return format_html("'{}'", primitive)
 
 
 @register.simple_tag()

src/backend/InvenTree/InvenTree/test_api.py

@@ -70,11 +70,11 @@ class APITests(InvenTreeAPITestCase):
         """Helper function to use basic auth."""
         # Use basic authentication
 
-        authstring = bytes('{u}:{p}'.format(u=self.username, p=self.password), 'ascii')
+        authstring = bytes(f'{self.username}:{self.password}', 'ascii')
 
         # Use "basic" auth by default
         auth = b64encode(authstring).decode('ascii')
-        self.client.credentials(HTTP_AUTHORIZATION='Basic {auth}'.format(auth=auth))
+        self.client.credentials(HTTP_AUTHORIZATION=f'Basic {auth}')
 
     def tokenAuth(self):
         """Helper function to use token auth."""

src/backend/InvenTree/InvenTree/test_urls.py

@@ -70,7 +70,7 @@ class URLTest(TestCase):
 
         pattern = '{% url [\'"]([^\'"]+)[\'"]([^%]*)%}'
 
-        with open(input_file, 'r') as f:
+        with open(input_file) as f:
             data = f.read()
 
             results = re.findall(pattern, data)

src/backend/InvenTree/InvenTree/tests.py

@@ -543,22 +543,22 @@ class FormatTest(TestCase):
     def test_currency_formatting(self):
         """Test that currency formatting works correctly for multiple currencies."""
         test_data = (
-            (Money(3651.285718, 'USD'), 4, True, '$3,651.2857'),  # noqa: E201,E202
-            (Money(487587.849178, 'CAD'), 5, True, 'CA$487,587.84918'),  # noqa: E201,E202
-            (Money(0.348102, 'EUR'), 1, False, '0.3'),  # noqa: E201,E202
-            (Money(0.916530, 'GBP'), 1, True, '£0.9'),  # noqa: E201,E202
-            (Money(61.031024, 'JPY'), 3, False, '61.031'),  # noqa: E201,E202
-            (Money(49609.694602, 'JPY'), 1, True, '¥49,609.7'),  # noqa: E201,E202
-            (Money(155565.264777, 'AUD'), 2, False, '155,565.26'),  # noqa: E201,E202
-            (Money(0.820437, 'CNY'), 4, True, 'CN¥0.8204'),  # noqa: E201,E202
-            (Money(7587.849178, 'EUR'), 0, True, '€7,588'),  # noqa: E201,E202
-            (Money(0.348102, 'GBP'), 3, False, '0.348'),  # noqa: E201,E202
-            (Money(0.652923, 'CHF'), 0, True, 'CHF1'),  # noqa: E201,E202
-            (Money(0.820437, 'CNY'), 1, True, 'CN¥0.8'),  # noqa: E201,E202
-            (Money(98789.5295680, 'CHF'), 0, False, '98,790'),  # noqa: E201,E202
-            (Money(0.585787, 'USD'), 1, True, '$0.6'),  # noqa: E201,E202
-            (Money(0.690541, 'CAD'), 3, True, 'CA$0.691'),  # noqa: E201,E202
-            (Money(427.814104, 'AUD'), 5, True, 'A$427.81410'),  # noqa: E201,E202
+            (Money(3651.285718, 'USD'), 4, True, '$3,651.2857'),
+            (Money(487587.849178, 'CAD'), 5, True, 'CA$487,587.84918'),
+            (Money(0.348102, 'EUR'), 1, False, '0.3'),
+            (Money(0.916530, 'GBP'), 1, True, '£0.9'),
+            (Money(61.031024, 'JPY'), 3, False, '61.031'),
+            (Money(49609.694602, 'JPY'), 1, True, '¥49,609.7'),
+            (Money(155565.264777, 'AUD'), 2, False, '155,565.26'),
+            (Money(0.820437, 'CNY'), 4, True, 'CN¥0.8204'),
+            (Money(7587.849178, 'EUR'), 0, True, '€7,588'),
+            (Money(0.348102, 'GBP'), 3, False, '0.348'),
+            (Money(0.652923, 'CHF'), 0, True, 'CHF1'),
+            (Money(0.820437, 'CNY'), 1, True, 'CN¥0.8'),
+            (Money(98789.5295680, 'CHF'), 0, False, '98,790'),
+            (Money(0.585787, 'USD'), 1, True, '$0.6'),
+            (Money(0.690541, 'CAD'), 3, True, 'CA$0.691'),
+            (Money(427.814104, 'AUD'), 5, True, 'A$427.81410'),
         )
 
         with self.settings(LANGUAGE_CODE='en-us'):
@@ -794,7 +794,7 @@ class TestDownloadFile(TestCase):
     def test_download(self):
         """Tests for DownloadFile."""
         helpers.DownloadFile('hello world', 'out.txt')
-        helpers.DownloadFile(bytes(b'hello world'), 'out.bin')
+        helpers.DownloadFile(b'hello world', 'out.bin')
 
 
 class TestMPTT(TestCase):
@@ -1557,15 +1557,12 @@ class ClassValidationMixinTest(TestCase):
 
         def test(self):
             """Test function."""
-            ...
 
         def test1(self):
             """Test function."""
-            ...
 
         def test2(self):
             """Test function."""
-            ...
 
         required_attributes = ['NAME']
         required_overrides = [test, [test1, test2]]
@@ -1573,8 +1570,6 @@ class ClassValidationMixinTest(TestCase):
     class InvalidClass:
         """An invalid class that does not inherit from ClassValidationMixin."""
 
-        pass
-
     def test_valid_class(self):
         """Test that a valid class passes the validation."""
 
@@ -1585,11 +1580,9 @@ class ClassValidationMixinTest(TestCase):
 
             def test(self):
                 """Test function."""
-                ...
 
             def test2(self):
                 """Test function."""
-                ...
 
         TestClass.validate()
 
@@ -1612,7 +1605,6 @@ class ClassValidationMixinTest(TestCase):
 
             def test2(self):
                 """Test function."""
-                ...
 
         with self.assertRaisesRegex(
             NotImplementedError,
@@ -1627,8 +1619,6 @@ class ClassProviderMixinTest(TestCase):
     class TestClass(ClassProviderMixin):
         """This class is a dummy class to test the ClassProviderMixin."""
 
-        pass
-
     def test_get_provider_file(self):
         """Test the get_provider_file function."""
         self.assertEqual(self.TestClass.get_provider_file(), __file__)

src/backend/InvenTree/InvenTree/translation.py

@@ -15,7 +15,7 @@ def reload_translation_stats():
     STATS_FILE = settings.BASE_DIR.joinpath('InvenTree/locale_stats.json').absolute()
 
     try:
-        with open(STATS_FILE, 'r') as f:
+        with open(STATS_FILE) as f:
             _translation_stats = json.load(f)
     except Exception:
         _translation_stats = None

src/backend/InvenTree/InvenTree/unit_test.py

@@ -246,8 +246,6 @@ class ExchangeRateMixin:
 class InvenTreeTestCase(ExchangeRateMixin, UserMixin, TestCase):
     """Testcase with user setup build in."""
 
-    pass
-
 
 class InvenTreeAPITestCase(ExchangeRateMixin, UserMixin, APITestCase):
     """Base class for running InvenTree API tests."""
@@ -283,9 +281,7 @@ class InvenTreeAPITestCase(ExchangeRateMixin, UserMixin, APITestCase):
             )  # pragma: no cover
 
         if verbose or n >= value:
-            msg = '\r\n%s' % json.dumps(
-                context.captured_queries, indent=4
-            )  # pragma: no cover
+            msg = f'\r\n{json.dumps(context.captured_queries, indent=4)}'  # pragma: no cover
         else:
             msg = None
 

src/backend/InvenTree/InvenTree/urls.py

@@ -456,7 +456,7 @@ urlpatterns = []
 if settings.INVENTREE_ADMIN_ENABLED:
     admin_url = settings.INVENTREE_ADMIN_URL
 
-    if settings.ADMIN_SHELL_ENABLE:  # noqa
+    if settings.ADMIN_SHELL_ENABLE:
         urlpatterns += [path(f'{admin_url}/shell/', include('django_admin_shell.urls'))]
 
     urlpatterns += [

src/backend/InvenTree/InvenTree/validators.py

@@ -96,7 +96,6 @@ def validate_sales_order_reference(value):
 
 def validate_tree_name(value):
     """Placeholder for legacy function used in migrations."""
-    ...
 
 
 def validate_overage(value):

src/backend/InvenTree/InvenTree/views.py

@@ -180,7 +180,7 @@ class InvenTreeRoleMixin(PermissionRequiredMixin):
             AjaxUpdateView: 'change',
         }
 
-        for view_class in permission_map.keys():
+        for view_class in permission_map:
             if issubclass(type(self), view_class):
                 return permission_map[view_class]
 
@@ -238,7 +238,6 @@ class AjaxMixin(InvenTreeRoleMixin):
         Ref: https://docs.djangoproject.com/en/dev/topics/forms/
         """
         # Do nothing by default
-        pass
 
     def renderJsonResponse(self, request, form=None, data=None, context=None):
         """Render a JSON response based on specific class context.
@@ -578,14 +577,10 @@ class UserSessionOverride:
 class CustomSessionDeleteView(UserSessionOverride, SessionDeleteView):
     """Revert to settings after session delete."""
 
-    pass
-
 
 class CustomSessionDeleteOtherView(UserSessionOverride, SessionDeleteOtherView):
     """Revert to settings after session delete."""
 
-    pass
-
 
 class CustomLoginView(LoginView):
     """Custom login view that allows login with urlargs."""

src/backend/InvenTree/common/api.py

@@ -47,7 +47,7 @@ from plugin.models import NotificationUserSetting
 from plugin.serializers import NotificationUserSettingSerializer
 
 
-class CsrfExemptMixin(object):
+class CsrfExemptMixin:
     """Exempts the view from CSRF requirements."""
 
     @method_decorator(csrf_exempt)

src/backend/InvenTree/common/icons.py

@@ -55,7 +55,7 @@ def get_icon_packs():
         tabler_icons_path = Path(__file__).parent.parent.joinpath(
             'InvenTree/static/tabler-icons/icons.json'
         )
-        with open(tabler_icons_path, 'r') as tabler_icons_file:
+        with open(tabler_icons_path) as tabler_icons_file:
             tabler_icons = json.load(tabler_icons_file)
 
         icon_packs = [

src/backend/InvenTree/common/models.py

@@ -246,7 +246,7 @@ class BaseInvenTreeSetting(models.Model):
 
         If a particular setting is not present, create it with the default value
         """
-        cache_key = f'BUILD_DEFAULT_VALUES:{str(cls.__name__)}'
+        cache_key = f'BUILD_DEFAULT_VALUES:{cls.__name__!s}'
 
         try:
             if InvenTree.helpers.str2bool(cache.get(cache_key, False)):
@@ -329,7 +329,7 @@ class BaseInvenTreeSetting(models.Model):
         - The unique KEY string
         - Any key:value kwargs associated with the particular setting type (e.g. user-id)
         """
-        key = f'{str(cls.__name__)}:{setting_key}'
+        key = f'{cls.__name__!s}:{setting_key}'
 
         for k, v in kwargs.items():
             key += f'_{k}:{v}'

src/backend/InvenTree/common/notifications.py

@@ -365,7 +365,7 @@ def trigger_notification(obj, category=None, obj_ref='pk', **kwargs):
         obj_ref_value = getattr(obj, 'id', None)
     if not obj_ref_value:
         raise KeyError(
-            f"Could not resolve an object reference for '{str(obj)}' with {obj_ref}, pk, id"
+            f"Could not resolve an object reference for '{obj!s}' with {obj_ref}, pk, id"
         )
 
     # Check if we have notified recently...
@@ -432,9 +432,9 @@ def trigger_notification(obj, category=None, obj_ref='pk', **kwargs):
                 deliver_notification(method, obj, category, target_users, context)
             except NotImplementedError as error:
                 # Allow any single notification method to fail, without failing the others
-                logger.error(error)  # noqa: LOG005
+                logger.error(error)
             except Exception as error:
-                logger.error(error)  # noqa: LOG005
+                logger.error(error)
 
         # Set delivery flag
         common.models.NotificationEntry.notify(category, obj_ref_value)

src/backend/InvenTree/common/tests.py

@@ -831,11 +831,9 @@ class PluginSettingsApiTest(PluginMixin, InvenTreeAPITestCase):
 
     def test_invalid_setting_key(self):
         """Test that an invalid setting key returns a 404."""
-        ...
 
     def test_uninitialized_setting(self):
         """Test that requesting an uninitialized setting creates the setting."""
-        ...
 
 
 class ErrorReportTest(InvenTreeAPITestCase):
@@ -933,7 +931,7 @@ class WebhookMessageTests(TestCase):
     def test_bad_token(self):
         """Test that a wrong token is not working."""
         response = self.client.post(
-            self.url, content_type=CONTENT_TYPE_JSON, **{'HTTP_TOKEN': '1234567fghj'}
+            self.url, content_type=CONTENT_TYPE_JSON, HTTP_TOKEN='1234567fghj'
         )
 
         assert response.status_code == HTTPStatus.FORBIDDEN
@@ -956,7 +954,7 @@ class WebhookMessageTests(TestCase):
             self.url,
             data="{'this': 123}",
             content_type=CONTENT_TYPE_JSON,
-            **{'HTTP_TOKEN': str(self.endpoint_def.token)},
+            HTTP_TOKEN=str(self.endpoint_def.token),
         )
 
         assert response.status_code == HTTPStatus.NOT_ACCEPTABLE
@@ -1004,7 +1002,7 @@ class WebhookMessageTests(TestCase):
         response = self.client.post(
             self.url,
             content_type=CONTENT_TYPE_JSON,
-            **{'HTTP_TOKEN': str('68MXtc/OiXdA5e2Nq9hATEVrZFpLb3Zb0oau7n8s31I=')},
+            HTTP_TOKEN='68MXtc/OiXdA5e2Nq9hATEVrZFpLb3Zb0oau7n8s31I=',
         )
 
         assert response.status_code == HTTPStatus.OK
@@ -1019,7 +1017,7 @@ class WebhookMessageTests(TestCase):
             self.url,
             data={'this': 'is a message'},
             content_type=CONTENT_TYPE_JSON,
-            **{'HTTP_TOKEN': str(self.endpoint_def.token)},
+            HTTP_TOKEN=str(self.endpoint_def.token),
         )
 
         assert response.status_code == HTTPStatus.OK

src/backend/InvenTree/common/views.py

@@ -312,7 +312,6 @@ class FileManagementFormView(MultiStepFormView):
         This method is very specific to the type of data found in the file,
         therefore overwrite it in the subclass.
         """
-        pass
 
     def get_clean_items(self):
         """Returns dict with all cleaned values."""

src/backend/InvenTree/company/apps.py

@@ -10,4 +10,3 @@ class CompanyConfig(AppConfig):
 
     def ready(self):
         """This function is called whenever the Company app is loaded."""
-        pass

src/backend/InvenTree/generic/states/__init__.py

@@ -9,4 +9,4 @@ States can be extended with custom options for each InvenTree instance - those o
 from .states import StatusCode
 from .transition import StateTransitionMixin, TransitionMethod, storage
 
-__all__ = ['StatusCode', 'storage', 'TransitionMethod', 'StateTransitionMixin']
+__all__ = ['StateTransitionMixin', 'StatusCode', 'TransitionMethod', 'storage']

src/backend/InvenTree/generic/states/tags.py

@@ -11,7 +11,7 @@ from .states import StatusCode
 @register.simple_tag
 def status_label(typ: str, key: int, *args, **kwargs):
     """Render a status label."""
-    state = {cls.tag(): cls for cls in inheritors(StatusCode)}.get(typ, None)
+    state = {cls.tag(): cls for cls in inheritors(StatusCode)}.get(typ)
     if state:
         return mark_safe(state.render(key, large=kwargs.get('large', False)))
     raise ValueError(f"Unknown status type '{typ}'")

src/backend/InvenTree/generic/states/tests.py

@@ -23,7 +23,6 @@ class GeneralStatus(StatusCode):
 
     def GHI(self):  # This should be ignored
         """A invalid function."""
-        ...
 
 
 class GeneralStateTest(InvenTreeTestCase):

src/backend/InvenTree/generic/templatetags/generic.py

@@ -3,6 +3,6 @@
 from django import template
 
 register = template.Library()
-from generic.states.tags import status_label  # noqa: E402
+from generic.states.tags import status_label
 
 __all__ = [status_label]

src/backend/InvenTree/importer/mixins.py

@@ -213,8 +213,6 @@ class DataImportExportSerializerMixin(
 ):
     """Mixin class for adding data import/export functionality to a DRF serializer."""
 
-    pass
-
 
 class DataExportViewMixin:
     """Mixin class for exporting a dataset via the API.

src/backend/InvenTree/importer/models.py

@@ -215,7 +215,7 @@ class DataImportSession(models.Model):
                 continue
 
             # A default value exists
-            if field in field_defaults and field_defaults[field]:
+            if field_defaults.get(field):
                 continue
 
             # The field has been mapped to a data column

src/backend/InvenTree/importer/operations.py

@@ -36,7 +36,7 @@ def load_data_file(data_file, file_format=None):
 
     try:
         data = file_object.read()
-    except (IOError, FileNotFoundError):
+    except (OSError, FileNotFoundError):
         raise ValidationError(_('Failed to open data file'))
 
     # Excel formats expect binary data

src/backend/InvenTree/importer/tests.py

@@ -19,7 +19,7 @@ class ImporterTest(InvenTreeTestCase):
 
         fn = os.path.join(os.path.dirname(__file__), 'test_data', 'companies.csv')
 
-        with open(fn, 'r') as input_file:
+        with open(fn) as input_file:
             data = input_file.read()
 
         session = DataImportSession.objects.create(
@@ -61,4 +61,3 @@ class ImporterTest(InvenTreeTestCase):
 
     def test_field_defaults(self):
         """Test default field values."""
-        ...

src/backend/InvenTree/machine/__init__.py

@@ -1,4 +1,4 @@
 from machine.machine_type import BaseDriver, BaseMachineType, MachineStatus
 from machine.registry import registry
 
-__all__ = ['registry', 'BaseMachineType', 'BaseDriver', 'MachineStatus']
+__all__ = ['BaseDriver', 'BaseMachineType', 'MachineStatus', 'registry']

src/backend/InvenTree/machine/machine_types/__init__.py

@@ -4,8 +4,8 @@ from machine.machine_types.label_printer import (
 )
 
 __all__ = [
-    # machine types
-    'LabelPrinterMachine',
     # base drivers
     'LabelPrinterBaseDriver',
+    # machine types
+    'LabelPrinterMachine',
 ]

src/backend/InvenTree/machine/test_api.py

@@ -84,13 +84,11 @@ class MachineAPITest(TestMachineRegistryMixin, InvenTreeAPITestCase):
             machine_type,
             {
                 **machine_type,
-                **{
-                    'slug': 'label-printer',
-                    'name': 'Label Printer',
-                    'description': 'Directly print labels for various items.',
-                    'provider_plugin': None,
-                    'is_builtin': True,
-                },
+                'slug': 'label-printer',
+                'name': 'Label Printer',
+                'description': 'Directly print labels for various items.',
+                'provider_plugin': None,
+                'is_builtin': True,
             },
         )
         self.assertTrue(
@@ -109,15 +107,13 @@ class MachineAPITest(TestMachineRegistryMixin, InvenTreeAPITestCase):
             driver,
             {
                 **driver,
-                **{
-                    'slug': 'test-label-printer-api',
-                    'name': 'Test label printer',
-                    'description': 'This is a test label printer driver for testing.',
-                    'provider_plugin': None,
-                    'is_builtin': True,
-                    'machine_type': 'label-printer',
-                    'driver_errors': [],
-                },
+                'slug': 'test-label-printer-api',
+                'name': 'Test label printer',
+                'description': 'This is a test label printer driver for testing.',
+                'provider_plugin': None,
+                'is_builtin': True,
+                'machine_type': 'label-printer',
+                'driver_errors': [],
             },
         )
         self.assertEqual(driver['provider_file'], __file__)
@@ -173,17 +169,15 @@ class MachineAPITest(TestMachineRegistryMixin, InvenTreeAPITestCase):
             response.data[0],
             {
                 **response.data[0],
-                **{
-                    'name': 'Test Machine',
-                    'machine_type': 'label-printer',
-                    'driver': 'test-label-printer-api',
-                    'initialized': True,
-                    'active': True,
-                    'status': 101,
-                    'status_model': 'LabelPrinterStatus',
-                    'status_text': '',
-                    'is_driver_available': True,
-                },
+                'name': 'Test Machine',
+                'machine_type': 'label-printer',
+                'driver': 'test-label-printer-api',
+                'initialized': True,
+                'active': True,
+                'status': 101,
+                'status_model': 'LabelPrinterStatus',
+                'status_text': '',
+                'is_driver_available': True,
             },
         )
 
@@ -216,9 +210,7 @@ class MachineAPITest(TestMachineRegistryMixin, InvenTreeAPITestCase):
             reverse('api-machine-detail', kwargs={'pk': pk}),
             {'name': 'Updated Machine'},
         )
-        self.assertEqual(
-            response.data, {**response.data, **{'name': 'Updated Machine'}}
-        )
+        self.assertEqual(response.data, {**response.data, 'name': 'Updated Machine'})
         self.assertEqual(MachineConfig.objects.get(pk=pk).name, 'Updated Machine')
 
         # Delete the machine

src/backend/InvenTree/order/api.py

@@ -337,8 +337,6 @@ class PurchaseOrderList(PurchaseOrderMixin, DataExportViewMixin, ListCreateAPI):
 class PurchaseOrderDetail(PurchaseOrderMixin, RetrieveUpdateDestroyAPI):
     """API endpoint for detail view of a PurchaseOrder object."""
 
-    pass
-
 
 class PurchaseOrderContextMixin:
     """Mixin to add purchase order object as serializer context variable."""
@@ -603,8 +601,6 @@ class PurchaseOrderLineItemList(
 class PurchaseOrderLineItemDetail(PurchaseOrderLineItemMixin, RetrieveUpdateDestroyAPI):
     """Detail API endpoint for PurchaseOrderLineItem object."""
 
-    pass
-
 
 class PurchaseOrderExtraLineList(GeneralExtraLineList, ListCreateAPI):
     """API endpoint for accessing a list of PurchaseOrderExtraLine objects."""
@@ -746,8 +742,6 @@ class SalesOrderList(SalesOrderMixin, DataExportViewMixin, ListCreateAPI):
 class SalesOrderDetail(SalesOrderMixin, RetrieveUpdateDestroyAPI):
     """API endpoint for detail view of a SalesOrder object."""
 
-    pass
-
 
 class SalesOrderLineItemFilter(LineItemFilter):
     """Custom filters for SalesOrderLineItemList endpoint."""
@@ -865,8 +859,6 @@ class SalesOrderLineItemList(
 class SalesOrderLineItemDetail(SalesOrderLineItemMixin, RetrieveUpdateDestroyAPI):
     """API endpoint for detail view of a SalesOrderLineItem object."""
 
-    pass
-
 
 class SalesOrderExtraLineList(GeneralExtraLineList, ListCreateAPI):
     """API endpoint for accessing a list of SalesOrderExtraLine objects."""
@@ -1181,8 +1173,6 @@ class ReturnOrderList(ReturnOrderMixin, DataExportViewMixin, ListCreateAPI):
 class ReturnOrderDetail(ReturnOrderMixin, RetrieveUpdateDestroyAPI):
     """API endpoint for detail view of a single ReturnOrder object."""
 
-    pass
-
 
 class ReturnOrderContextMixin:
     """Simple mixin class to add a ReturnOrder to the serializer context."""
@@ -1310,8 +1300,6 @@ class ReturnOrderLineItemList(
 class ReturnOrderLineItemDetail(ReturnOrderLineItemMixin, RetrieveUpdateDestroyAPI):
     """API endpoint for detail view of a ReturnOrderLineItem object."""
 
-    pass
-
 
 class ReturnOrderExtraLineList(GeneralExtraLineList, ListCreateAPI):
     """API endpoint for accessing a list of ReturnOrderExtraLine objects."""

src/backend/InvenTree/order/views.py

@@ -294,7 +294,7 @@ class SalesOrderExport(AjaxView):
 
         export_format = request.GET.get('format', 'csv')
 
-        filename = f'{str(order)} - {order.customer.name}.{export_format}'
+        filename = f'{order!s} - {order.customer.name}.{export_format}'
 
         dataset = SalesOrderLineItemResource().export(queryset=order.lines.all())
 
@@ -321,7 +321,7 @@ class PurchaseOrderExport(AjaxView):
 
         export_format = request.GET.get('format', 'csv')
 
-        filename = f'{str(order)} - {order.supplier.name}.{export_format}'
+        filename = f'{order!s} - {order.supplier.name}.{export_format}'
 
         dataset = PurchaseOrderLineItemResource().export(queryset=order.lines.all())
 

src/backend/InvenTree/part/api.py

@@ -466,8 +466,6 @@ class PartTestTemplateMixin:
 class PartTestTemplateDetail(PartTestTemplateMixin, RetrieveUpdateDestroyAPI):
     """Detail endpoint for PartTestTemplate model."""
 
-    pass
-
 
 class PartTestTemplateList(PartTestTemplateMixin, DataExportViewMixin, ListCreateAPI):
     """API endpoint for listing (and creating) a PartTestTemplate."""
@@ -1570,8 +1568,6 @@ class PartParameterTemplateList(
 class PartParameterTemplateDetail(PartParameterTemplateMixin, RetrieveUpdateDestroyAPI):
     """API endpoint for accessing the detail view for a PartParameterTemplate object."""
 
-    pass
-
 
 class PartParameterAPIMixin:
     """Mixin class for PartParameter API endpoints."""
@@ -1663,8 +1659,6 @@ class PartParameterList(PartParameterAPIMixin, DataExportViewMixin, ListCreateAP
 class PartParameterDetail(PartParameterAPIMixin, RetrieveUpdateDestroyAPI):
     """API endpoint for detail view of a single PartParameter object."""
 
-    pass
-
 
 class PartStocktakeFilter(rest_filters.FilterSet):
     """Custom filter for the PartStocktakeList endpoint."""
@@ -1922,8 +1916,6 @@ class BomList(BomMixin, DataExportViewMixin, ListCreateDestroyAPIView):
 class BomDetail(BomMixin, RetrieveUpdateDestroyAPI):
     """API endpoint for detail view of a single BomItem object."""
 
-    pass
-
 
 class BomImportUpload(CreateAPI):
     """API endpoint for uploading a complete Bill of Materials.

src/backend/InvenTree/part/models.py

@@ -4328,7 +4328,7 @@ class BomItem(
         - allow_variants
         """
         # Seed the hash with the ID of this BOM item
-        result_hash = hashlib.md5(''.encode())
+        result_hash = hashlib.md5(b'')
 
         # The following components are used to calculate the checksum
         components = [
@@ -4422,8 +4422,7 @@ class BomItem(
         try:
             ovg = float(overage)
 
-            if ovg < 0:
-                ovg = 0
+            ovg = max(ovg, 0)
 
             return ovg
         except ValueError:
@@ -4435,10 +4434,8 @@ class BomItem(
 
             try:
                 percent = float(overage) / 100.0
-                if percent > 1:
-                    percent = 1
-                if percent < 0:
-                    percent = 0
+                percent = min(percent, 1)
+                percent = max(percent, 0)
 
                 # Must be represented as a decimal
                 percent = Decimal(percent)

src/backend/InvenTree/part/serializers.py

@@ -1979,9 +1979,8 @@ class BomImportExtractSerializer(InvenTree.serializers.DataFileExtractSerializer
 
         if part is None:
             row['errors']['part'] = _('No matching part found')
-        else:
-            if not part.component:
-                row['errors']['part'] = _('Part is not designated as a component')
+        elif not part.component:
+            row['errors']['part'] = _('Part is not designated as a component')
 
         # Update the 'part' value in the row
         row['part'] = part.pk if part is not None else None

src/backend/InvenTree/part/test_bom_export.py

@@ -49,7 +49,7 @@ class BomExportTest(InvenTreeTestCase):
         with open(filename, 'wb') as f:
             f.write(response.getvalue())
 
-        with open(filename, 'r') as f:
+        with open(filename) as f:
             reader = csv.reader(f, delimiter=',')
 
             for line in reader:
@@ -96,7 +96,7 @@ class BomExportTest(InvenTreeTestCase):
             f.write(response.getvalue())
 
         # Read the file
-        with open(filename, 'r') as f:
+        with open(filename) as f:
             reader = csv.reader(f, delimiter=',')
 
             for line in reader:

src/backend/InvenTree/part/test_param.py

@@ -419,7 +419,7 @@ class PartParameterTest(InvenTreeAPITestCase):
 
         response = self.get(
             url,
-            {'ordering': 'parameter_{pk}'.format(pk=template.pk), 'parameters': 'true'},
+            {'ordering': f'parameter_{template.pk}', 'parameters': 'true'},
             expected_code=200,
         )
 
@@ -436,10 +436,7 @@ class PartParameterTest(InvenTreeAPITestCase):
         # Next, check reverse ordering
         response = self.get(
             url,
-            {
-                'ordering': '-parameter_{pk}'.format(pk=template.pk),
-                'parameters': 'true',
-            },
+            {'ordering': f'-parameter_{template.pk}', 'parameters': 'true'},
             expected_code=200,
         )
 

src/backend/InvenTree/part/test_pricing.py

@@ -111,7 +111,6 @@ class PartPricingTests(InvenTreeTestCase):
 
     def test_invalid_rate(self):
         """Ensure that conversion behaves properly with missing rates."""
-        ...
 
     def test_simple(self):
         """Tests for hard-coded values."""

src/backend/InvenTree/part/views.py

@@ -414,7 +414,7 @@ class PartDetailFromIPN(PartDetail):
         if not self.object:
             return HttpResponseRedirect(reverse('part-index'))
 
-        return super(PartDetailFromIPN, self).get(request, *args, **kwargs)
+        return super().get(request, *args, **kwargs)
 
 
 class PartImageSelect(AjaxUpdateView):

src/backend/InvenTree/plugin/__init__.py

@@ -5,8 +5,8 @@ from .plugin import InvenTreePlugin
 from .registry import registry
 
 __all__ = [
-    'registry',
     'InvenTreePlugin',
-    'MixinNotImplementedError',
     'MixinImplementationError',
+    'MixinNotImplementedError',
+    'registry',
 ]

src/backend/InvenTree/plugin/base/barcodes/api.py

@@ -594,7 +594,7 @@ class BarcodeSOAllocate(BarcodeView):
                 raise ValidationError(response)
 
         # If we have sufficient information, we can allocate the stock item
-        if all((x is not None for x in [line_item, sales_order, shipment, quantity])):
+        if all(x is not None for x in [line_item, sales_order, shipment, quantity]):
             order.models.SalesOrderAllocation.objects.create(
                 line=line_item, shipment=shipment, item=stock_item, quantity=quantity
             )

src/backend/InvenTree/plugin/base/barcodes/mixins.py

@@ -471,9 +471,9 @@ class SupplierBarcodeMixin(BarcodeMixin):
             # 2. check if it's defined on the part
             # 3. check if there's 1 or 0 stock locations defined in InvenTree
             #    -> assume all stock is going into that location (or no location)
-            if location := line_item.destination:
-                pass
-            elif location := supplier_part.part.get_default_location():
+            if (location := line_item.destination) or (
+                location := supplier_part.part.get_default_location()
+            ):
                 pass
             elif StockLocation.objects.count() <= 1:
                 if not (location := StockLocation.objects.first()):

src/backend/InvenTree/plugin/base/integration/ReportMixin.py

@@ -33,7 +33,6 @@ class ReportMixin:
             request: The request object which initiated the report generation
             context: The context dictionary to add to
         """
-        pass
 
     def add_label_context(self, label_instance, model_instance, request, context):
         """Add extra context to the provided label instance.
@@ -46,7 +45,6 @@ class ReportMixin:
             request: The request object which initiated the label generation
             context: The context dictionary to add to
         """
-        pass
 
     def report_callback(self, template, instance, report, request):
         """Callback function called after a report is generated.
@@ -59,4 +57,3 @@ class ReportMixin:
 
         The default implementation does nothing.
         """
-        pass

src/backend/InvenTree/plugin/base/integration/SettingsMixin.py

@@ -15,8 +15,6 @@ else:
     class SettingsKeyType:
         """Dummy class, so that python throws no error."""
 
-        pass
-
 
 class SettingsMixin:
     """Mixin that enables global settings for the plugin."""

src/backend/InvenTree/plugin/base/integration/ValidationMixin.py

@@ -205,4 +205,3 @@ class ValidationMixin:
         Raises:
             ValidationError if the proposed parameter value is objectionable
         """
-        pass

src/backend/InvenTree/plugin/base/label/mixins.py

@@ -251,8 +251,6 @@ class LabelPrintingMixin:
 
     def before_printing(self):
         """Hook method called before printing labels."""
-        pass
 
     def after_printing(self):
         """Hook method called after printing labels."""
-        pass

src/backend/InvenTree/plugin/helpers.py

@@ -44,14 +44,10 @@ class MixinImplementationError(ValueError):
     Mostly raised if constant is missing
     """
 
-    pass
-
 
 class MixinNotImplementedError(NotImplementedError):
     """Error if necessary mixin function was not overwritten."""
 
-    pass
-
 
 def log_error(error, reference: str = 'general'):
     """Log an plugin error."""

src/backend/InvenTree/plugin/installer.py

@@ -220,15 +220,11 @@ def install_plugin(url=None, packagename=None, user=None, version=None):
                 full_pkg = f'{packagename}@{url}'
             else:
                 full_pkg = url
-        else:  # pragma: no cover
-            # using a custom package repositories
-            # This is only for pypa compliant directory services (all current are tested above)
-            # and not covered by tests.
-            if url:
-                install_name.append('-i')
-                full_pkg = url
-            elif packagename:
-                full_pkg = packagename
+        elif url:
+            install_name.append('-i')
+            full_pkg = url
+        elif packagename:
+            full_pkg = packagename
 
     elif packagename:
         # use pypi

src/backend/InvenTree/plugin/machine/__init__.py

@@ -1,3 +1,3 @@
 from machine import BaseDriver, BaseMachineType, MachineStatus, registry
 
-__all__ = ['registry', 'BaseDriver', 'BaseMachineType', 'MachineStatus']
+__all__ = ['BaseDriver', 'BaseMachineType', 'MachineStatus', 'registry']

src/backend/InvenTree/plugin/machine/machine_types.py

@@ -1,3 +1,3 @@
 """just re-export the machine types from the plugin InvenTree app."""
 
-from machine.machine_types import *  # noqa: F403, F401
+from machine.machine_types import *  # noqa: F403

src/backend/InvenTree/plugin/mixins/__init__.py

@@ -20,23 +20,23 @@ from plugin.base.locate.mixins import LocateMixin
 
 __all__ = [
     'APICallMixin',
+    'ActionMixin',
     'AppMixin',
+    'BarcodeMixin',
+    'BulkNotificationMethod',
     'CurrencyExchangeMixin',
     'EventMixin',
     'IconPackMixin',
     'LabelPrintingMixin',
+    'LocateMixin',
     'NavigationMixin',
+    'PanelMixin',
     'ReportMixin',
     'ScheduleMixin',
     'SettingsContentMixin',
     'SettingsMixin',
-    'UrlsMixin',
-    'PanelMixin',
-    'ActionMixin',
-    'BarcodeMixin',
-    'SupplierBarcodeMixin',
-    'LocateMixin',
-    'ValidationMixin',
     'SingleNotificationMethod',
-    'BulkNotificationMethod',
+    'SupplierBarcodeMixin',
+    'UrlsMixin',
+    'ValidationMixin',
 ]

src/backend/InvenTree/plugin/samples/integration/test_scheduled_task.py

@@ -85,8 +85,6 @@ class ScheduledTaskPluginTests(TestCase):
         class NoSchedules(Base):
             """Plugin without schedules."""
 
-            pass
-
         with self.assertRaises(MixinImplementationError):
             NoSchedules().register_tasks()
 

src/backend/InvenTree/plugin/samples/integration/transition.py

@@ -18,8 +18,9 @@ class SampleTransitionPlugin(InvenTreePlugin):
         def transition(current_state, target_state, instance, default_action, **kwargs):  # noqa: N805
             """Example override function for state transition."""
             # Only act on ReturnOrders that should be completed
-            if not isinstance(instance, ReturnOrder) or not (
-                target_state == ReturnOrderStatus.COMPLETE.value
+            if (
+                not isinstance(instance, ReturnOrder)
+                or target_state != ReturnOrderStatus.COMPLETE.value
             ):
                 return False
 

src/backend/InvenTree/plugin/serializers.py

@@ -144,8 +144,6 @@ class PluginConfigInstallSerializer(serializers.Serializer):
 class PluginConfigEmptySerializer(serializers.Serializer):
     """Serializer for a PluginConfig."""
 
-    ...
-
 
 class PluginReloadSerializer(serializers.Serializer):
     """Serializer for remotely forcing plugin registry reload."""

src/backend/InvenTree/plugin/test_api.py

@@ -195,8 +195,7 @@ class PluginDetailAPITest(PluginMixin, InvenTreeAPITestCase):
         mixin_dict = plg.mixins()
         self.assertIn('base', mixin_dict)
         self.assertEqual(
-            mixin_dict,
-            {**mixin_dict, **{'base': {'key': 'base', 'human_name': 'base'}}},
+            mixin_dict, {**mixin_dict, 'base': {'key': 'base', 'human_name': 'base'}}
         )
 
         # check reload on save

src/backend/InvenTree/report/templatetags/report.py

@@ -190,12 +190,12 @@ def uploaded_image(
     elif width is not None:
         # Resize the image, width only
         wpercent = width / float(img.size[0])
-        hsize = int((float(img.size[1]) * float(wpercent)))
+        hsize = int(float(img.size[1]) * float(wpercent))
         img = img.resize((width, hsize))
     elif height is not None:
         # Resize the image, height only
         hpercent = height / float(img.size[1])
-        wsize = int((float(img.size[0]) * float(hpercent)))
+        wsize = int(float(img.size[0]) * float(hpercent))
         img = img.resize((wsize, height))
 
     # Optionally rotate the image

src/backend/InvenTree/script/translation_stats.py

@@ -7,7 +7,7 @@ import sys
 
 def calculate_coverage(filename):
     """Calculate translation coverage for a .po file."""
-    with open(filename, 'r') as f:
+    with open(filename) as f:
         lines = f.readlines()
 
     lines_count = 0
@@ -19,7 +19,7 @@ def calculate_coverage(filename):
             lines_count += 1
 
         elif line.startswith('msgstr'):
-            if line.startswith('msgstr ""') or line.startswith("msgstr ''"):
+            if line.startswith(('msgstr ""', "msgstr ''")):
                 lines_uncovered += 1
             else:
                 lines_covered += 1
@@ -53,7 +53,7 @@ if __name__ == '__main__':
 
     percentages = []
 
-    for locale in locales.keys():
+    for locale in locales:
         locale_file = locales[locale]
         stats = calculate_coverage(locale_file)
 

src/backend/InvenTree/script/update_icons.py

@@ -45,7 +45,7 @@ if __name__ == '__main__':
 
     print('Generating icon list...')
     with open(
-        os.path.join(TMP_FOLDER, 'node_modules', '@tabler', 'icons', 'icons.json'), 'r'
+        os.path.join(TMP_FOLDER, 'node_modules', '@tabler', 'icons', 'icons.json')
     ) as f:
         icons = json.load(f)
 

src/backend/InvenTree/stock/api.py

@@ -974,23 +974,17 @@ class StockList(DataExportViewMixin, ListCreateDestroyAPIView):
                             'The supplier part has a pack size defined, but flag use_pack_size not set'
                         )
                     })
-                else:
-                    if bool(data.get('use_pack_size')):
-                        quantity = data['quantity'] = supplier_part.base_quantity(
-                            quantity
-                        )
+                elif bool(data.get('use_pack_size')):
+                    quantity = data['quantity'] = supplier_part.base_quantity(quantity)
 
-                        # Divide purchase price by pack size, to save correct price per stock item
-                        if (
-                            data['purchase_price']
-                            and supplier_part.pack_quantity_native
-                        ):
-                            try:
-                                data['purchase_price'] = float(
-                                    data['purchase_price']
-                                ) / float(supplier_part.pack_quantity_native)
-                            except ValueError:
-                                pass
+                    # Divide purchase price by pack size, to save correct price per stock item
+                    if data['purchase_price'] and supplier_part.pack_quantity_native:
+                        try:
+                            data['purchase_price'] = float(
+                                data['purchase_price']
+                            ) / float(supplier_part.pack_quantity_native)
+                        except ValueError:
+                            pass
 
         # Now remove the flag from data, so that it doesn't interfere with saving
         # Do this regardless of results above
@@ -1241,8 +1235,6 @@ class StockItemTestResultMixin:
 class StockItemTestResultDetail(StockItemTestResultMixin, RetrieveUpdateDestroyAPI):
     """Detail endpoint for StockItemTestResult."""
 
-    pass
-
 
 class StockItemTestResultFilter(rest_filters.FilterSet):
     """API filter for the StockItemTestResult list."""

src/backend/InvenTree/stock/models.py

@@ -477,8 +477,7 @@ class StockItem(
 
                 serial_int = abs(serial_int)
 
-                if serial_int > clip:
-                    serial_int = clip
+                serial_int = min(serial_int, clip)
 
                 self.serial_int = serial_int
                 return
@@ -584,7 +583,7 @@ class StockItem(
             except (ValueError, StockItem.DoesNotExist):
                 pass
 
-        super(StockItem, self).save(*args, **kwargs)
+        super().save(*args, **kwargs)
 
         # If user information is provided, and no existing note exists, create one!
         if user and self.tracking_info.count() == 0:
@@ -619,7 +618,7 @@ class StockItem(
         If the StockItem is serialized, the same serial number.
         cannot exist for the same part (or part tree).
         """
-        super(StockItem, self).validate_unique(exclude)
+        super().validate_unique(exclude)
 
         # If the serial number is set, make sure it is not a duplicate
         if self.serial:
@@ -2022,8 +2021,7 @@ class StockItem(
         except (InvalidOperation, ValueError):
             return
 
-        if quantity < 0:
-            quantity = 0
+        quantity = max(quantity, 0)
 
         self.quantity = quantity
 
@@ -2208,7 +2206,7 @@ class StockItem(
 
                 for key in item_results.keys():
                     # Results from sub items should not override master ones
-                    if key not in result_map.keys():
+                    if key not in result_map:
                         result_map[key] = item_results[key]
 
         return result_map
@@ -2586,6 +2584,4 @@ class StockItemTestResult(InvenTree.models.InvenTreeMetadataModel):
         help_text=_('The timestamp of the test finish'),
     )
 
-    user = models.ForeignKey(User, on_delete=models.SET_NULL, blank=True, null=True)
-
     date = models.DateTimeField(auto_now_add=True, editable=False)

src/backend/InvenTree/stock/serializers.py

@@ -421,7 +421,7 @@ class StockItemSerializer(
         tests = kwargs.pop('tests', False)
         path_detail = kwargs.pop('path_detail', False)
 
-        super(StockItemSerializer, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
         if not part_detail:
             self.fields.pop('part_detail', None)

src/backend/InvenTree/stock/test_api.py

@@ -640,7 +640,7 @@ class StockItemListTest(StockAPITestCase):
             StockStatus.REJECTED.value: 0,
         }
 
-        for code in codes.keys():
+        for code in codes:
             num = codes[code]
 
             response = self.get_stock(status=code)

src/backend/InvenTree/users/admin.py

@@ -293,8 +293,6 @@ class InvenTreeUserAdmin(UserAdmin):
 class OwnerAdmin(admin.ModelAdmin):
     """Custom admin interface for the Owner model."""
 
-    pass
-
 
 admin.site.unregister(Group)
 admin.site.register(Group, RoleGroupAdmin)

src/backend/InvenTree/users/models.py

@@ -557,10 +557,8 @@ def update_group_roles(group, debug=False):
 
             permissions_to_add.add(permission_string)
 
-        else:
-            # A forbidden action will be ignored if we have already allowed it
-            if permission_string not in permissions_to_add:
-                permissions_to_delete.add(permission_string)
+        elif permission_string not in permissions_to_add:
+            permissions_to_delete.add(permission_string)
 
     # Pre-fetch all the RuleSet objects
     rulesets = {

tasks.py

@@ -25,10 +25,9 @@ def checkPythonVersion():
 
     valid = True
 
-    if sys.version_info.major < REQ_MAJOR:
-        valid = False
-
-    elif sys.version_info.major == REQ_MAJOR and sys.version_info.minor < REQ_MINOR:
+    if sys.version_info.major < REQ_MAJOR or (
+        sys.version_info.major == REQ_MAJOR and sys.version_info.minor < REQ_MINOR
+    ):
         valid = False
 
     if not valid:
@@ -618,7 +617,7 @@ def export_records(
     print('Running data post-processing step...')
 
     # Post-process the file, to remove any "permissions" specified for a user or group
-    with open(tmpfile, 'r') as f_in:
+    with open(tmpfile) as f_in:
         data = json.loads(f_in.read())
 
     data_out = []
@@ -684,7 +683,7 @@ def import_records(
     # Pre-process the data, to remove any "permissions" specified for a user or group
     datafile = f'{target}.data.json'
 
-    with open(target, 'r') as f_in:
+    with open(target) as f_in:
         try:
             data = json.loads(f_in.read())
         except json.JSONDecodeError as exc:
@@ -836,7 +835,7 @@ def server(c, address='127.0.0.1:8000'):
 
     Note: This is *not* sufficient for a production installation.
     """
-    manage(c, 'runserver {address}'.format(address=address), pty=True)
+    manage(c, f'runserver {address}', pty=True)
 
 
 @task(pre=[wait])
@@ -880,16 +879,16 @@ def test_translations(c):
 
     # compile regex
     reg = re.compile(
-        r'[a-zA-Z0-9]{1}'  # match any single letter and number  # noqa: W504
-        + r'(?![^{\(\<]*[}\)\>])'  # that is not inside curly brackets, brackets or a tag  # noqa: W504
-        + r'(?<![^\%][^\(][)][a-z])'  # that is not a specially formatted variable with singles  # noqa: W504
+        r'[a-zA-Z0-9]{1}'  # match any single letter and number
+        + r'(?![^{\(\<]*[}\)\>])'  # that is not inside curly brackets, brackets or a tag
+        + r'(?<![^\%][^\(][)][a-z])'  # that is not a specially formatted variable with singles
         + r'(?![^\\][\n])'  # that is not a newline
     )
     last_string = ''
 
     # loop through input file lines
-    with open(file_path, 'rt') as file_org:
-        with open(new_file_path, 'wt') as file_new:
+    with open(file_path) as file_org:
+        with open(new_file_path, 'w') as file_new:
             for line in file_org:
                 if line.startswith('msgstr "'):
                     # write output -> replace regex matches with x in the read in (multi)string
@@ -1330,7 +1329,7 @@ def frontend_download(
             version_file = localDir().joinpath('VERSION')
             if not version_file.exists():
                 return
-            from dotenv import dotenv_values  # noqa: WPS433
+            from dotenv import dotenv_values
 
             content = dotenv_values(version_file)
             if (