Merge remote-tracking branch 'inventree/master' into locate-mixin

# Conflicts:
#	InvenTree/InvenTree/api_version.py
#	InvenTree/InvenTree/urls.py

.github/workflows/qc_checks.yaml

@@ -124,6 +124,16 @@ jobs:
 
     env:
       wrapper_name: inventree-python
+      INVENTREE_DB_ENGINE: django.db.backends.sqlite3
+      INVENTREE_DB_NAME: ../inventree_unit_test_db.sqlite3
+      INVENTREE_MEDIA_ROOT: ../test_inventree_media
+      INVENTREE_STATIC_ROOT: ../test_inventree_static
+      INVENTREE_ADMIN_USER: testuser
+      INVENTREE_ADMIN_PASSWORD: testpassword
+      INVENTREE_ADMIN_EMAIL: test@test.com
+      INVENTREE_PYTHON_TEST_SERVER: http://localhost:12345
+      INVENTREE_PYTHON_TEST_USERNAME: testuser
+      INVENTREE_PYTHON_TEST_PASSWORD: testpassword
 
     steps:
       - name: Checkout Code
@@ -140,13 +150,14 @@ jobs:
           git clone --depth 1 https://github.com/inventree/${{ env.wrapper_name }} ./${{ env.wrapper_name }}
       - name: Start Server
         run: |
-          invoke import-records -f ./${{ env.wrapper_name }}/test/test_data.json
+          invoke delete-data -f
-          invoke server -a 127.0.0.1:8000 &
+          invoke import-fixtures
-          sleep ${{ env.server_start_sleep }}
+          invoke server -a 127.0.0.1:12345 &
       - name: Run Tests
         run: |
           cd ${{ env.wrapper_name }}
-          invoke test
+          invoke check-server
+          coverage run -m unittest discover -s test/
 
   coverage:
     name: Sqlite / coverage
@@ -196,6 +207,7 @@ jobs:
     name: Postgres
     needs: ['javascript', 'html']
     runs-on: ubuntu-latest
+    if: github.event_name == 'push'
 
     env:
       INVENTREE_DB_ENGINE: django.db.backends.postgresql
@@ -253,6 +265,8 @@ jobs:
     name: MySql
     needs: ['javascript', 'html']
     runs-on: ubuntu-latest
+    if: github.event_name == 'push'
+
     env:
       # Database backend configuration
       INVENTREE_DB_ENGINE: django.db.backends.mysql

InvenTree/InvenTree/api.py

@@ -66,6 +66,44 @@ class NotFoundView(AjaxView):
         return JsonResponse(data, status=404)
 
 
+class APIDownloadMixin:
+    """
+    Mixin for enabling a LIST endpoint to be downloaded a file.
+
+    To download the data, add the ?export=<fmt> to the query string.
+
+    The implementing class must provided a download_queryset method,
+    e.g.
+
+    def download_queryset(self, queryset, export_format):
+        dataset = StockItemResource().export(queryset=queryset)
+
+        filedata = dataset.export(export_format)
+
+        filename = 'InvenTree_Stocktake_{date}.{fmt}'.format(
+            date=datetime.now().strftime("%d-%b-%Y"),
+            fmt=export_format
+        )
+
+        return DownloadFile(filedata, filename)
+    """
+
+    def get(self, request, *args, **kwargs):
+
+        export_format = request.query_params.get('export', None)
+
+        if export_format and export_format in ['csv', 'tsv', 'xls', 'xlsx']:
+            queryset = self.filter_queryset(self.get_queryset())
+            return self.download_queryset(queryset, export_format)
+
+        else:
+            # Default to the parent class implementation
+            return super().get(request, *args, **kwargs)
+
+    def download_queryset(self, queryset, export_format):
+        raise NotImplementedError("download_queryset method not implemented!")
+
+
 class AttachmentMixin:
     """
     Mixin for creating attachment objects,

InvenTree/InvenTree/api_version.py

@@ -4,16 +4,25 @@ InvenTree API version information
 
 
 # InvenTree API version
-INVENTREE_API_VERSION = 47
+INVENTREE_API_VERSION = 49
 
 """
 Increment this API version number whenever there is a significant change to the API that any clients need to know about
 
-v47 -> 2022-05-09 : https://github.com/inventree/InvenTree/pull/2957
+v49 -> 2022-05-09 : https://github.com/inventree/InvenTree/pull/2957
     - Allows filtering of plugin list by 'active' status
     - Allows filtering of plugin list by 'mixin' support
     - Adds endpoint to "identify" or "locate" stock items and locations (using plugins)
 
+v48 -> 2022-05-12 : https://github.com/inventree/InvenTree/pull/2977
+    - Adds "export to file" functionality for PurchaseOrder API endpoint
+    - Adds "export to file" functionality for SalesOrder API endpoint
+    - Adds "export to file" functionality for BuildOrder API endpoint
+
+v47 -> 2022-05-10 : https://github.com/inventree/InvenTree/pull/2964
+    - Fixes barcode API error response when scanning a StockItem which does not exist
+    - Fixes barcode API error response when scanning a StockLocation which does not exist
+
 v46 -> 2022-05-09
     - Fixes read permissions on settings API
     - Allows non-staff users to read global settings via the API

InvenTree/InvenTree/apps.py

@@ -190,8 +190,11 @@ class InvenTreeConfig(AppConfig):
         user = get_user_model()
         try:
             with transaction.atomic():
-                new_user = user.objects.create_superuser(add_user, add_email, add_password)
+                if user.objects.filter(username=add_user).exists():
-            logger.info(f'User {str(new_user)} was created!')
+                    logger.info(f"User {add_user} already exists - skipping creation")
+                else:
+                    new_user = user.objects.create_superuser(add_user, add_email, add_password)
+                    logger.info(f'User {str(new_user)} was created!')
         except IntegrityError as _e:
             logger.warning(f'The user "{add_user}" could not be created due to the following error:\n{str(_e)}')
             if settings.TESTING_ENV:

InvenTree/InvenTree/middleware.py

@@ -1,9 +1,11 @@
-from django.shortcuts import HttpResponseRedirect
+# -*- coding: utf-8 -*-
-from django.urls import reverse_lazy, Resolver404
+
-from django.shortcuts import redirect
-from django.urls import include, re_path
 from django.conf import settings
 from django.contrib.auth.middleware import PersistentRemoteUserMiddleware
+from django.http import HttpResponse
+from django.shortcuts import redirect
+from django.urls import reverse_lazy, Resolver404
+from django.urls import include, re_path
 
 import logging
 
@@ -68,10 +70,6 @@ class AuthRequiredMiddleware(object):
 
             # No authorization was found for the request
             if not authorized:
-                # A logout request will redirect the user to the login screen
-                if request.path_info == reverse_lazy('account_logout'):
-                    return HttpResponseRedirect(reverse_lazy('account_login'))
-
                 path = request.path_info
 
                 # List of URL endpoints we *do not* want to redirect to
@@ -82,11 +80,23 @@ class AuthRequiredMiddleware(object):
                     reverse_lazy('admin:logout'),
                 ]
 
-                if path not in urls and not path.startswith('/api/'):
+                # Do not redirect requests to any of these paths
+                paths_ignore = [
+                    '/api/',
+                    '/js/',
+                    '/media/',
+                    '/static/',
+                ]
+
+                if path not in urls and not any([path.startswith(p) for p in paths_ignore]):
                     # Save the 'next' parameter to pass through to the login view
 
                     return redirect('{}?next={}'.format(reverse_lazy('account_login'), request.path))
 
+                else:
+                    # Return a 401 (Unauthorized) response code for this request
+                    return HttpResponse('Unauthorized', status=401)
+
         response = self.get_response(request)
 
         return response

InvenTree/InvenTree/settings.py

@@ -900,7 +900,7 @@ PLUGINS_ENABLED = _is_true(get_setting(
 PLUGIN_FILE = get_plugin_file()
 
 # Plugin Directories (local plugins will be loaded from these directories)
-PLUGIN_DIRS = ['plugin.builtin', 'barcodes.plugins', ]
+PLUGIN_DIRS = ['plugin.builtin', ]
 
 if not TESTING:
     # load local deploy directory in prod

InvenTree/InvenTree/test_middleware.py

@@ -0,0 +1,66 @@
+"""Tests for middleware functions"""
+
+from django.test import TestCase
+
+from django.contrib.auth import get_user_model
+from django.urls import reverse
+
+
+class MiddlewareTests(TestCase):
+    """Test for middleware functions"""
+
+    def check_path(self, url, code=200, **kwargs):
+        response = self.client.get(url, HTTP_ACCEPT='application/json', **kwargs)
+        self.assertEqual(response.status_code, code)
+        return response
+
+    def setUp(self):
+        super().setUp()
+
+        # Create a user
+        user = get_user_model()
+
+        self.user = user.objects.create_user(username='username', email='user@email.com', password='password')
+        self.client.login(username='username', password='password')
+
+    def test_AuthRequiredMiddleware(self):
+        """Test the auth middleware"""
+
+        # test that /api/ routes go through
+        self.check_path(reverse('api-inventree-info'))
+
+        # logout
+        self.client.logout()
+
+        # check that account things go through
+        self.check_path(reverse('account_login'))
+
+        # logout goes diretly to login
+        self.check_path(reverse('account_logout'))
+
+        # check that frontend code is redirected to login
+        response = self.check_path(reverse('stats'), 302)
+        self.assertEqual(response.url, '/accounts/login/?next=/stats/')
+
+        # check that a 401 is raised
+        self.check_path(reverse('settings.js'), 401)
+
+    def test_token_auth(self):
+        """Test auth with token auth"""
+        # get token
+        response = self.client.get(reverse('api-token'), format='json', data={})
+        token = response.data['token']
+
+        # logout
+        self.client.logout()
+        # this should raise a 401
+        self.check_path(reverse('settings.js'), 401)
+
+        # request with token
+        self.check_path(reverse('settings.js'), HTTP_Authorization=f'Token {token}')
+
+        # Request with broken token
+        self.check_path(reverse('settings.js'), 401, HTTP_Authorization='Token abcd123')
+
+        # should still fail without token
+        self.check_path(reverse('settings.js'), 401)

InvenTree/InvenTree/urls.py

@@ -18,7 +18,6 @@ from build.urls import build_urls
 from order.urls import order_urls
 from plugin.urls import get_plugin_urls
 
-from barcodes.api import barcode_api_urls
 from common.api import common_api_urls, settings_api_urls
 from part.api import part_api_urls, bom_api_urls
 from company.api import company_api_urls
@@ -28,6 +27,7 @@ from order.api import order_api_urls
 from label.api import label_api_urls
 from report.api import report_api_urls
 from plugin.api import plugin_api_urls
+from plugin.barcode import barcode_api_urls
 
 from django.conf import settings
 from django.conf.urls.static import static
@@ -59,7 +59,6 @@ if settings.PLUGINS_ENABLED:
     )
 
 apipatterns += [
-    re_path(r'^barcode/', include(barcode_api_urls)),
     re_path(r'^settings/', include(settings_api_urls)),
     re_path(r'^part/', include(part_api_urls)),
     re_path(r'^bom/', include(bom_api_urls)),
@@ -75,6 +74,7 @@ apipatterns += [
 
     # Plugin endpoints
     re_path(r'^action/', ActionPluginView.as_view(), name='api-action-plugin'),
+    re_path(r'^barcode/', include(barcode_api_urls)),
     re_path(r'^locate/', LocatePluginView.as_view(), name='api-locate-plugin'),
 
     # Webhook enpoint

InvenTree/barcodes/barcode.py

@@ -1,20 +0,0 @@
-# -*- coding: utf-8 -*-
-import warnings
-
-import plugin.builtin.barcode.mixins as mixin
-import plugin.integration
-
-
-hash_barcode = mixin.hash_barcode
-
-
-class BarcodePlugin(mixin.BarcodeMixin, plugin.integration.IntegrationPluginBase):
-    """
-    Legacy barcode plugin definition - will be replaced
-    Please use the new Integration Plugin API and the BarcodeMixin
-    """
-    # TODO @matmair remove this with InvenTree 0.7.0
-    def __init__(self, barcode_data=None):
-        warnings.warn("using the BarcodePlugin is depreceated", DeprecationWarning)
-        super().__init__()
-        self.init(barcode_data)

InvenTree/barcodes/plugins/digikey_barcode.py

@@ -1,19 +0,0 @@
-# -*- coding: utf-8 -*-
-
-"""
-DigiKey barcode decoding
-"""
-
-from barcodes.barcode import BarcodePlugin
-
-
-class DigikeyBarcodePlugin(BarcodePlugin):
-
-    PLUGIN_NAME = "DigikeyBarcode"
-
-    def validate(self):
-        """
-        TODO: Validation of Digikey barcodes.
-        """
-
-        return False

InvenTree/build/admin.py

@@ -2,9 +2,53 @@
 from __future__ import unicode_literals
 
 from django.contrib import admin
-from import_export.admin import ImportExportModelAdmin
 
-from .models import Build, BuildItem
+from import_export.admin import ImportExportModelAdmin
+from import_export.fields import Field
+from import_export.resources import ModelResource
+import import_export.widgets as widgets
+
+from build.models import Build, BuildItem
+
+import part.models
+
+
+class BuildResource(ModelResource):
+    """Class for managing import/export of Build data"""
+    # For some reason, we need to specify the fields individually for this ModelResource,
+    # but we don't for other ones.
+    # TODO: 2022-05-12 - Need to investigate why this is the case!
+
+    pk = Field(attribute='pk')
+
+    reference = Field(attribute='reference')
+
+    title = Field(attribute='title')
+
+    part = Field(attribute='part', widget=widgets.ForeignKeyWidget(part.models.Part))
+
+    part_name = Field(attribute='part__full_name', readonly=True)
+
+    overdue = Field(attribute='is_overdue', readonly=True, widget=widgets.BooleanWidget())
+
+    completed = Field(attribute='completed', readonly=True)
+
+    quantity = Field(attribute='quantity')
+
+    status = Field(attribute='status')
+
+    batch = Field(attribute='batch')
+
+    notes = Field(attribute='notes')
+
+    class Meta:
+        models = Build
+        skip_unchanged = True
+        report_skipped = False
+        clean_model_instances = True
+        exclude = [
+            'lft', 'rght', 'tree_id', 'level',
+        ]
 
 
 class BuildAdmin(ImportExportModelAdmin):

InvenTree/build/api.py

@@ -12,13 +12,15 @@ from rest_framework import filters, generics
 from django_filters.rest_framework import DjangoFilterBackend
 from django_filters import rest_framework as rest_filters
 
-from InvenTree.api import AttachmentMixin
+from InvenTree.api import AttachmentMixin, APIDownloadMixin
-from InvenTree.helpers import str2bool, isNull
+from InvenTree.helpers import str2bool, isNull, DownloadFile
 from InvenTree.filters import InvenTreeOrderingFilter
 from InvenTree.status_codes import BuildStatus
 
-from .models import Build, BuildItem, BuildOrderAttachment
+import build.admin
 import build.serializers
+from build.models import Build, BuildItem, BuildOrderAttachment
+
 from users.models import Owner
 
 
@@ -71,7 +73,7 @@ class BuildFilter(rest_filters.FilterSet):
         return queryset
 
 
-class BuildList(generics.ListCreateAPIView):
+class BuildList(APIDownloadMixin, generics.ListCreateAPIView):
     """ API endpoint for accessing a list of Build objects.
 
     - GET: Return list of objects (with filters)
@@ -123,6 +125,14 @@ class BuildList(generics.ListCreateAPIView):
 
         return queryset
 
+    def download_queryset(self, queryset, export_format):
+        dataset = build.admin.BuildResource().export(queryset=queryset)
+
+        filedata = dataset.export(export_format)
+        filename = f"InvenTree_BuildOrders.{export_format}"
+
+        return DownloadFile(filedata, filename)
+
     def filter_queryset(self, queryset):
 
         queryset = super().filter_queryset(queryset)

InvenTree/common/models.py

@@ -17,15 +17,16 @@ import base64
 from secrets import compare_digest
 from datetime import datetime, timedelta
 
+from django.apps import apps
 from django.db import models, transaction
+from django.db.utils import IntegrityError, OperationalError
+from django.conf import settings
 from django.contrib.auth.models import User, Group
 from django.contrib.contenttypes.fields import GenericForeignKey
 from django.contrib.contenttypes.models import ContentType
-from django.db.utils import IntegrityError, OperationalError
+from django.contrib.humanize.templatetags.humanize import naturaltime
-from django.conf import settings
 from django.urls import reverse
 from django.utils.timezone import now
-from django.contrib.humanize.templatetags.humanize import naturaltime
 
 from djmoney.settings import CURRENCY_CHOICES
 from djmoney.contrib.exchange.models import convert_money
@@ -136,6 +137,19 @@ class BaseInvenTreeSetting(models.Model):
 
         return settings
 
+    def get_kwargs(self):
+        """
+        Construct kwargs for doing class-based settings lookup,
+        depending on *which* class we are.
+
+        This is necessary to abtract the settings object
+        from the implementing class (e.g plugins)
+
+        Subclasses should override this function to ensure the kwargs are correctly set.
+        """
+
+        return {}
+
     @classmethod
     def get_setting_definition(cls, key, **kwargs):
         """
@@ -319,11 +333,11 @@ class BaseInvenTreeSetting(models.Model):
             value = setting.value
 
             # Cast to boolean if necessary
-            if setting.is_bool(**kwargs):
+            if setting.is_bool():
                 value = InvenTree.helpers.str2bool(value)
 
             # Cast to integer if necessary
-            if setting.is_int(**kwargs):
+            if setting.is_int():
                 try:
                     value = int(value)
                 except (ValueError, TypeError):
@@ -390,19 +404,19 @@ class BaseInvenTreeSetting(models.Model):
 
     @property
     def name(self):
-        return self.__class__.get_setting_name(self.key)
+        return self.__class__.get_setting_name(self.key, **self.get_kwargs())
 
     @property
     def default_value(self):
-        return self.__class__.get_setting_default(self.key)
+        return self.__class__.get_setting_default(self.key, **self.get_kwargs())
 
     @property
     def description(self):
-        return self.__class__.get_setting_description(self.key)
+        return self.__class__.get_setting_description(self.key, **self.get_kwargs())
 
     @property
     def units(self):
-        return self.__class__.get_setting_units(self.key)
+        return self.__class__.get_setting_units(self.key, **self.get_kwargs())
 
     def clean(self, **kwargs):
         """
@@ -512,12 +526,12 @@ class BaseInvenTreeSetting(models.Model):
         except self.DoesNotExist:
             pass
 
-    def choices(self, **kwargs):
+    def choices(self):
         """
         Return the available choices for this setting (or None if no choices are defined)
         """
 
-        return self.__class__.get_setting_choices(self.key, **kwargs)
+        return self.__class__.get_setting_choices(self.key, **self.get_kwargs())
 
     def valid_options(self):
         """
@@ -531,14 +545,14 @@ class BaseInvenTreeSetting(models.Model):
 
         return [opt[0] for opt in choices]
 
-    def is_choice(self, **kwargs):
+    def is_choice(self):
         """
         Check if this setting is a "choice" field
         """
 
-        return self.__class__.get_setting_choices(self.key, **kwargs) is not None
+        return self.__class__.get_setting_choices(self.key, **self.get_kwargs()) is not None
 
-    def as_choice(self, **kwargs):
+    def as_choice(self):
         """
         Render this setting as the "display" value of a choice field,
         e.g. if the choices are:
@@ -547,7 +561,7 @@ class BaseInvenTreeSetting(models.Model):
         then display 'A4 paper'
         """
 
-        choices = self.get_setting_choices(self.key, **kwargs)
+        choices = self.get_setting_choices(self.key, **self.get_kwargs())
 
         if not choices:
             return self.value
@@ -558,12 +572,80 @@ class BaseInvenTreeSetting(models.Model):
 
         return self.value
 
-    def is_bool(self, **kwargs):
+    def is_model(self):
+        """
+        Check if this setting references a model instance in the database
+        """
+
+        return self.model_name() is not None
+
+    def model_name(self):
+        """
+        Return the model name associated with this setting
+        """
+
+        setting = self.get_setting_definition(self.key, **self.get_kwargs())
+
+        return setting.get('model', None)
+
+    def model_class(self):
+        """
+        Return the model class associated with this setting, if (and only if):
+
+        - It has a defined 'model' parameter
+        - The 'model' parameter is of the form app.model
+        - The 'model' parameter has matches a known app model
+        """
+
+        model_name = self.model_name()
+
+        if not model_name:
+            return None
+
+        try:
+            (app, mdl) = model_name.strip().split('.')
+        except ValueError:
+            logger.error(f"Invalid 'model' parameter for setting {self.key} : '{model_name}'")
+            return None
+
+        app_models = apps.all_models.get(app, None)
+
+        if app_models is None:
+            logger.error(f"Error retrieving model class '{model_name}' for setting '{self.key}' - no app named '{app}'")
+            return None
+
+        model = app_models.get(mdl, None)
+
+        if model is None:
+            logger.error(f"Error retrieving model class '{model_name}' for setting '{self.key}' - no model named '{mdl}'")
+            return None
+
+        # Looks like we have found a model!
+        return model
+
+    def api_url(self):
+        """
+        Return the API url associated with the linked model,
+        if provided, and valid!
+        """
+
+        model_class = self.model_class()
+
+        if model_class:
+            # If a valid class has been found, see if it has registered an API URL
+            try:
+                return model_class.get_api_url()
+            except:
+                pass
+
+        return None
+
+    def is_bool(self):
         """
         Check if this setting is required to be a boolean value
         """
 
-        validator = self.__class__.get_setting_validator(self.key, **kwargs)
+        validator = self.__class__.get_setting_validator(self.key, **self.get_kwargs())
 
         return self.__class__.validator_is_bool(validator)
 
@@ -576,17 +658,20 @@ class BaseInvenTreeSetting(models.Model):
 
         return InvenTree.helpers.str2bool(self.value)
 
-    def setting_type(self, **kwargs):
+    def setting_type(self):
         """
         Return the field type identifier for this setting object
         """
 
-        if self.is_bool(**kwargs):
+        if self.is_bool():
             return 'boolean'
 
-        elif self.is_int(**kwargs):
+        elif self.is_int():
             return 'integer'
 
+        elif self.is_model():
+            return 'related field'
+
         else:
             return 'string'
 
@@ -603,12 +688,12 @@ class BaseInvenTreeSetting(models.Model):
 
         return False
 
-    def is_int(self, **kwargs):
+    def is_int(self,):
         """
         Check if the setting is required to be an integer value:
         """
 
-        validator = self.__class__.get_setting_validator(self.key, **kwargs)
+        validator = self.__class__.get_setting_validator(self.key, **self.get_kwargs())
 
         return self.__class__.validator_is_int(validator)
 
@@ -651,88 +736,7 @@ class BaseInvenTreeSetting(models.Model):
 
     @property
     def protected(self):
-        return self.__class__.is_protected(self.key)
+        return self.__class__.is_protected(self.key, **self.get_kwargs())
-
-
-class GenericReferencedSettingClass:
-    """
-    This mixin can be used to add reference keys to static properties
-
-    Sample:
-    ```python
-    class SampleSetting(GenericReferencedSettingClass, common.models.BaseInvenTreeSetting):
-        class Meta:
-            unique_together = [
-                ('sample', 'key'),
-            ]
-
-        REFERENCE_NAME = 'sample'
-
-        @classmethod
-        def get_setting_definition(cls, key, **kwargs):
-            # mysampledict contains the dict with all settings for this SettingClass - this could also be a dynamic lookup
-
-            kwargs['settings'] = mysampledict
-            return super().get_setting_definition(key, **kwargs)
-
-        sample = models.charKey(  # the name for this field is the additonal key and must be set in the Meta class an REFERENCE_NAME
-            max_length=256,
-            verbose_name=_('sample')
-        )
-    ```
-    """
-
-    REFERENCE_NAME = None
-
-    def _get_reference(self):
-        """
-        Returns dict that can be used as an argument for kwargs calls.
-        Helps to make overriden calls generic for simple reuse.
-
-        Usage:
-        ```python
-        some_random_function(argument0, kwarg1=value1, **self._get_reference())
-        ```
-        """
-        return {
-            self.REFERENCE_NAME: getattr(self, self.REFERENCE_NAME)
-        }
-
-    """
-    We override the following class methods,
-    so that we can pass the modified key instance as an additional argument
-    """
-
-    def clean(self, **kwargs):
-
-        kwargs[self.REFERENCE_NAME] = getattr(self, self.REFERENCE_NAME)
-
-        super().clean(**kwargs)
-
-    def is_bool(self, **kwargs):
-
-        kwargs[self.REFERENCE_NAME] = getattr(self, self.REFERENCE_NAME)
-
-        return super().is_bool(**kwargs)
-
-    @property
-    def name(self):
-        return self.__class__.get_setting_name(self.key, **self._get_reference())
-
-    @property
-    def default_value(self):
-        return self.__class__.get_setting_default(self.key, **self._get_reference())
-
-    @property
-    def description(self):
-        return self.__class__.get_setting_description(self.key, **self._get_reference())
-
-    @property
-    def units(self):
-        return self.__class__.get_setting_units(self.key, **self._get_reference())
-
-    def choices(self):
-        return self.__class__.get_setting_choices(self.key, **self._get_reference())
 
 
 def settings_group_options():
@@ -1558,6 +1562,16 @@ class InvenTreeUserSetting(BaseInvenTreeSetting):
 
         return self.__class__.get_setting(self.key, user=self.user)
 
+    def get_kwargs(self):
+        """
+        Explicit kwargs required to uniquely identify a particular setting object,
+        in addition to the 'key' parameter
+        """
+
+        return {
+            'user': self.user,
+        }
+
 
 class PriceBreak(models.Model):
     """

InvenTree/common/serializers.py

@@ -28,6 +28,10 @@ class SettingsSerializer(InvenTreeModelSerializer):
 
     choices = serializers.SerializerMethodField()
 
+    model_name = serializers.CharField(read_only=True)
+
+    api_url = serializers.CharField(read_only=True)
+
     def get_choices(self, obj):
         """
         Returns the choices available for a given item
@@ -75,6 +79,8 @@ class GlobalSettingsSerializer(SettingsSerializer):
             'description',
             'type',
             'choices',
+            'model_name',
+            'api_url',
         ]
 
 
@@ -96,6 +102,8 @@ class UserSettingsSerializer(SettingsSerializer):
             'user',
             'type',
             'choices',
+            'model_name',
+            'api_url',
         ]
 
 
@@ -124,6 +132,8 @@ class GenericReferencedSettingSerializer(SettingsSerializer):
                 'description',
                 'type',
                 'choices',
+                'model_name',
+                'api_url',
             ]
 
         # set Meta class

InvenTree/label/apps.py

@@ -265,6 +265,13 @@ class LabelConfig(AppConfig):
                 'width': 70,
                 'height': 24,
             },
+            {
+                'file': 'part_label_code128.html',
+                'name': 'Barcode Part Label',
+                'description': 'Simple part label with Code128 barcode',
+                'width': 70,
+                'height': 24,
+            },
         ]
 
         for label in labels:

InvenTree/label/templates/label/part/part_label_code128.html

@@ -0,0 +1,33 @@
+{% extends "label/label_base.html" %}
+
+{% load barcode %}
+
+{% block style %}
+
+.qr {
+    position: fixed;
+    left: 0mm;
+    top: 0mm;
+    height: {{ height }}mm;
+    width: {{ height }}mm;
+}
+
+.part {
+    font-family: Arial, Helvetica, sans-serif;
+    display: inline;
+    position: absolute;
+    left: {{ height }}mm;
+    top: 2mm;
+}
+
+{% endblock %}
+
+{% block content %}
+
+<img class='qr' src='{% barcode qr_data %}'>
+
+<div class='part'>
+    {{ part.full_name }}
+</div>
+
+{% endblock %}

InvenTree/label/tests.py

@@ -5,20 +5,28 @@ from __future__ import unicode_literals
 
 import os
 
-from django.test import TestCase
 from django.conf import settings
 from django.apps import apps
 from django.core.exceptions import ValidationError
 
 from InvenTree.helpers import validateFilterString
+from InvenTree.api_tester import InvenTreeAPITestCase
 
 from .models import StockItemLabel, StockLocationLabel
 from stock.models import StockItem
 
 
-class LabelTest(TestCase):
+class LabelTest(InvenTreeAPITestCase):
+
+    fixtures = [
+        'category',
+        'part',
+        'location',
+        'stock'
+    ]
 
     def setUp(self) -> None:
+        super().setUp()
         # ensure the labels were created
         apps.get_app_config('label').create_labels()
 

InvenTree/order/admin.py

@@ -5,8 +5,9 @@ from django.contrib import admin
 
 from import_export.admin import ImportExportModelAdmin
 
-from import_export.resources import ModelResource
 from import_export.fields import Field
+from import_export.resources import ModelResource
+import import_export.widgets as widgets
 
 from .models import PurchaseOrder, PurchaseOrderLineItem, PurchaseOrderExtraLine
 from .models import SalesOrder, SalesOrderLineItem, SalesOrderExtraLine
@@ -92,6 +93,23 @@ class SalesOrderAdmin(ImportExportModelAdmin):
     autocomplete_fields = ('customer',)
 
 
+class PurchaseOrderResource(ModelResource):
+    """
+    Class for managing import / export of PurchaseOrder data
+    """
+
+    # Add number of line items
+    line_items = Field(attribute='line_count', widget=widgets.IntegerWidget(), readonly=True)
+
+    # Is this order overdue?
+    overdue = Field(attribute='is_overdue', widget=widgets.BooleanWidget(), readonly=True)
+
+    class Meta:
+        model = PurchaseOrder
+        skip_unchanged = True
+        clean_model_instances = True
+
+
 class PurchaseOrderLineItemResource(ModelResource):
     """ Class for managing import / export of PurchaseOrderLineItem data """
 
@@ -117,6 +135,23 @@ class PurchaseOrderExtraLineResource(ModelResource):
         model = PurchaseOrderExtraLine
 
 
+class SalesOrderResource(ModelResource):
+    """
+    Class for managing import / export of SalesOrder data
+    """
+
+    # Add number of line items
+    line_items = Field(attribute='line_count', widget=widgets.IntegerWidget(), readonly=True)
+
+    # Is this order overdue?
+    overdue = Field(attribute='is_overdue', widget=widgets.BooleanWidget(), readonly=True)
+
+    class Meta:
+        model = SalesOrder
+        skip_unchanged = True
+        clean_model_instances = True
+
+
 class SalesOrderLineItemResource(ModelResource):
     """
     Class for managing import / export of SalesOrderLineItem data

InvenTree/order/api.py

@@ -17,10 +17,11 @@ from company.models import SupplierPart
 
 from InvenTree.filters import InvenTreeOrderingFilter
 from InvenTree.helpers import str2bool, DownloadFile
-from InvenTree.api import AttachmentMixin
+from InvenTree.api import AttachmentMixin, APIDownloadMixin
 from InvenTree.status_codes import PurchaseOrderStatus, SalesOrderStatus
 
-from order.admin import PurchaseOrderLineItemResource
+from order.admin import PurchaseOrderResource, PurchaseOrderLineItemResource
+from order.admin import SalesOrderResource
 import order.models as models
 import order.serializers as serializers
 from part.models import Part
@@ -110,7 +111,7 @@ class PurchaseOrderFilter(rest_filters.FilterSet):
         ]
 
 
-class PurchaseOrderList(generics.ListCreateAPIView):
+class PurchaseOrderList(APIDownloadMixin, generics.ListCreateAPIView):
     """ API endpoint for accessing a list of PurchaseOrder objects
 
     - GET: Return list of PurchaseOrder objects (with filters)
@@ -160,6 +161,15 @@ class PurchaseOrderList(generics.ListCreateAPIView):
 
         return queryset
 
+    def download_queryset(self, queryset, export_format):
+        dataset = PurchaseOrderResource().export(queryset=queryset)
+
+        filedata = dataset.export(export_format)
+
+        filename = f"InvenTree_PurchaseOrders.{export_format}"
+
+        return DownloadFile(filedata, filename)
+
     def filter_queryset(self, queryset):
 
         # Perform basic filtering
@@ -407,7 +417,7 @@ class PurchaseOrderLineItemFilter(rest_filters.FilterSet):
         return queryset
 
 
-class PurchaseOrderLineItemList(generics.ListCreateAPIView):
+class PurchaseOrderLineItemList(APIDownloadMixin, generics.ListCreateAPIView):
     """ API endpoint for accessing a list of PurchaseOrderLineItem objects
 
     - GET: Return a list of PurchaseOrder Line Item objects
@@ -460,25 +470,19 @@ class PurchaseOrderLineItemList(generics.ListCreateAPIView):
 
         return queryset
 
+    def download_queryset(self, queryset, export_format):
+        dataset = PurchaseOrderLineItemResource().export(queryset=queryset)
+
+        filedata = dataset.export(export_format)
+
+        filename = f"InvenTree_PurchaseOrderItems.{export_format}"
+
+        return DownloadFile(filedata, filename)
+
     def list(self, request, *args, **kwargs):
 
         queryset = self.filter_queryset(self.get_queryset())
 
-        # Check if we wish to export the queried data to a file
-        export_format = request.query_params.get('export', None)
-
-        if export_format:
-            export_format = str(export_format).strip().lower()
-
-            if export_format in ['csv', 'tsv', 'xls', 'xlsx']:
-                dataset = PurchaseOrderLineItemResource().export(queryset=queryset)
-
-                filedata = dataset.export(export_format)
-
-                filename = f"InvenTree_PurchaseOrderData.{export_format}"
-
-                return DownloadFile(filedata, filename)
-
         page = self.paginate_queryset(queryset)
 
         if page is not None:
@@ -580,7 +584,7 @@ class SalesOrderAttachmentDetail(generics.RetrieveUpdateDestroyAPIView, Attachme
     serializer_class = serializers.SalesOrderAttachmentSerializer
 
 
-class SalesOrderList(generics.ListCreateAPIView):
+class SalesOrderList(APIDownloadMixin, generics.ListCreateAPIView):
     """
     API endpoint for accessing a list of SalesOrder objects.
 
@@ -630,6 +634,15 @@ class SalesOrderList(generics.ListCreateAPIView):
 
         return queryset
 
+    def download_queryset(self, queryset, export_format):
+        dataset = SalesOrderResource().export(queryset=queryset)
+
+        filedata = dataset.export(export_format)
+
+        filename = f"InvenTree_SalesOrders.{export_format}"
+
+        return DownloadFile(filedata, filename)
+
     def filter_queryset(self, queryset):
         """
         Perform custom filtering operations on the SalesOrder queryset.

InvenTree/part/admin.py

@@ -4,8 +4,8 @@ from __future__ import unicode_literals
 from django.contrib import admin
 
 from import_export.admin import ImportExportModelAdmin
-from import_export.resources import ModelResource
 from import_export.fields import Field
+from import_export.resources import ModelResource
 import import_export.widgets as widgets
 
 from company.models import SupplierPart

InvenTree/part/api.py

@@ -49,7 +49,7 @@ from . import serializers as part_serializers
 
 from InvenTree.helpers import str2bool, isNull, increment
 from InvenTree.helpers import DownloadFile
-from InvenTree.api import AttachmentMixin
+from InvenTree.api import AttachmentMixin, APIDownloadMixin
 
 from InvenTree.status_codes import BuildStatus, PurchaseOrderStatus, SalesOrderStatus
 
@@ -847,7 +847,7 @@ class PartFilter(rest_filters.FilterSet):
     virtual = rest_filters.BooleanFilter()
 
 
-class PartList(generics.ListCreateAPIView):
+class PartList(APIDownloadMixin, generics.ListCreateAPIView):
     """
     API endpoint for accessing a list of Part objects
 
@@ -897,6 +897,14 @@ class PartList(generics.ListCreateAPIView):
 
         return self.serializer_class(*args, **kwargs)
 
+    def download_queryset(self, queryset, export_format):
+        dataset = PartResource().export(queryset=queryset)
+
+        filedata = dataset.export(export_format)
+        filename = f"InvenTree_Parts.{export_format}"
+
+        return DownloadFile(filedata, filename)
+
     def list(self, request, *args, **kwargs):
         """
         Overide the 'list' method, as the PartCategory objects are
@@ -908,22 +916,6 @@ class PartList(generics.ListCreateAPIView):
 
         queryset = self.filter_queryset(self.get_queryset())
 
-        # Check if we wish to export the queried data to a file.
-        # If so, skip pagination!
-        export_format = request.query_params.get('export', None)
-
-        if export_format:
-            export_format = str(export_format).strip().lower()
-
-            if export_format in ['csv', 'tsv', 'xls', 'xlsx']:
-                dataset = PartResource().export(queryset=queryset)
-
-                filedata = dataset.export(export_format)
-
-                filename = f"InvenTree_Parts.{export_format}"
-
-                return DownloadFile(filedata, filename)
-
         page = self.paginate_queryset(queryset)
 
         if page is not None:

InvenTree/part/models.py

@@ -49,6 +49,8 @@ from InvenTree import validators
 from InvenTree.models import InvenTreeTree, InvenTreeAttachment, DataImportMixin
 from InvenTree.fields import InvenTreeURLField
 from InvenTree.helpers import decimal2string, normalize, decimal2money
+
+import InvenTree.ready
 import InvenTree.tasks
 
 from InvenTree.status_codes import BuildStatus, PurchaseOrderStatus, SalesOrderStatus
@@ -2231,7 +2233,7 @@ class Part(MPTTModel):
         for child in children:
             parts.append(child)
 
-        # Immediate parent
+        # Immediate parent, and siblings
         if self.variant_of:
             parts.append(self.variant_of)
 
@@ -2292,7 +2294,7 @@ def after_save_part(sender, instance: Part, created, **kwargs):
     Function to be executed after a Part is saved
     """
 
-    if not created:
+    if not created and not InvenTree.ready.isImportingData():
         # Check part stock only if we are *updating* the part (not creating it)
 
         # Run this check in the background

InvenTree/plugin/barcode.py

@@ -1,7 +1,5 @@
 # -*- coding: utf-8 -*-
-
+from django.urls import reverse, path, re_path
-from django.urls import reverse
-from django.urls import path, re_path
 from django.utils.translation import gettext_lazy as _
 
 from rest_framework.exceptions import ValidationError
@@ -12,8 +10,8 @@ from rest_framework.views import APIView
 from stock.models import StockItem
 from stock.serializers import StockItemSerializer
 
-from barcodes.plugins.inventree_barcode import InvenTreeBarcodePlugin
+from plugin.builtin.barcodes.inventree_barcode import InvenTreeBarcodePlugin
-from barcodes.barcode import hash_barcode
+from plugin.builtin.barcodes.mixins import hash_barcode
 from plugin import registry
 
 

InvenTree/plugin/builtin/barcodes/inventree_barcode.py

@@ -13,7 +13,8 @@ references model objects actually exist in the database.
 
 import json
 
-from barcodes.barcode import BarcodePlugin
+from plugin import IntegrationPluginBase
+from plugin.mixins import BarcodeMixin
 
 from stock.models import StockItem, StockLocation
 from part.models import Part
@@ -21,7 +22,7 @@ from part.models import Part
 from rest_framework.exceptions import ValidationError
 
 
-class InvenTreeBarcodePlugin(BarcodePlugin):
+class InvenTreeBarcodePlugin(BarcodeMixin, IntegrationPluginBase):
 
     PLUGIN_NAME = "InvenTreeBarcode"
 
@@ -83,7 +84,7 @@ class InvenTreeBarcodePlugin(BarcodePlugin):
                     item = StockItem.objects.get(pk=pk)
                     return item
                 except (ValueError, StockItem.DoesNotExist):  # pragma: no cover
-                    raise ValidationError({k, "Stock item does not exist"})
+                    raise ValidationError({k: "Stock item does not exist"})
 
         return None
 
@@ -111,7 +112,7 @@ class InvenTreeBarcodePlugin(BarcodePlugin):
                     loc = StockLocation.objects.get(pk=pk)
                     return loc
                 except (ValueError, StockLocation.DoesNotExist):  # pragma: no cover
-                    raise ValidationError({k, "Stock location does not exist"})
+                    raise ValidationError({k: "Stock location does not exist"})
 
         return None
 
@@ -132,12 +133,12 @@ class InvenTreeBarcodePlugin(BarcodePlugin):
                     try:
                         pk = self.data[k]['id']
                     except (AttributeError, KeyError):
-                        raise ValidationError({k, 'id parameter not supplied'})
+                        raise ValidationError({k: 'id parameter not supplied'})
 
                 try:
                     part = Part.objects.get(pk=pk)
                     return part
                 except (ValueError, Part.DoesNotExist):  # pragma: no cover
-                    raise ValidationError({k, 'Part does not exist'})
+                    raise ValidationError({k: 'Part does not exist'})
 
         return None

InvenTree/plugin/builtin/barcodes/test_inventree_barcode.py

@@ -0,0 +1,62 @@
+# -*- coding: utf-8 -*-
+"""Unit tests for InvenTreeBarcodePlugin"""
+
+from django.contrib.auth import get_user_model
+from django.urls import reverse
+
+from rest_framework.test import APITestCase
+from rest_framework import status
+
+
+class TestInvenTreeBarcode(APITestCase):
+
+    fixtures = [
+        'category',
+        'part',
+        'location',
+        'stock'
+    ]
+
+    def setUp(self):
+        # Create a user for auth
+        user = get_user_model()
+        user.objects.create_user('testuser', 'test@testing.com', 'password')
+
+        self.client.login(username='testuser', password='password')
+
+    def test_errors(self):
+        """
+        Test all possible error cases for assigment action
+        """
+
+        def test_assert_error(barcode_data):
+            response = self.client.post(
+                reverse('api-barcode-link'), format='json',
+                data={
+                    'barcode': barcode_data,
+                    'stockitem': 521
+                }
+            )
+            self.assertEqual(response.status_code, status.HTTP_200_OK)
+            self.assertIn('error', response.data)
+
+        # test with already existing stock
+        test_assert_error('{"stockitem": 521}')
+
+        # test with already existing stock location
+        test_assert_error('{"stocklocation": 7}')
+
+        # test with already existing part location
+        test_assert_error('{"part": 10004}')
+
+        # test with hash
+        test_assert_error('{"blbla": 10004}')
+
+    def test_scan(self):
+        """
+        Test that a barcode can be scanned
+        """
+
+        response = self.client.post(reverse('api-barcode-scan'), format='json', data={'barcode': 'blbla=10004'})
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertIn('success', response.data)

InvenTree/plugin/events.py

@@ -17,7 +17,7 @@ from django.dispatch.dispatcher import receiver
 from common.models import InvenTreeSetting
 import common.notifications
 
-from InvenTree.ready import canAppAccessDatabase
+from InvenTree.ready import canAppAccessDatabase, isImportingData
 from InvenTree.tasks import offload_task
 
 from plugin.registry import registry
@@ -113,6 +113,10 @@ def allow_table_event(table_name):
     We *do not* want events to be fired for some tables!
     """
 
+    if isImportingData():
+        # Prevent table events during the data import process
+        return False
+
     table_name = table_name.lower().strip()
 
     # Ignore any tables which start with these prefixes

InvenTree/plugin/mixins/__init__.py

@@ -18,7 +18,7 @@ from ..builtin.integration.mixins import (
 from common.notifications import SingleNotificationMethod, BulkNotificationMethod
 
 from ..builtin.action.mixins import ActionMixin
-from ..builtin.barcode.mixins import BarcodeMixin
+from ..builtin.barcodes.mixins import BarcodeMixin
 
 __all__ = [
     'ActionMixin',

InvenTree/plugin/models.py

@@ -102,7 +102,7 @@ class PluginConfig(models.Model):
         return ret
 
 
-class PluginSetting(common.models.GenericReferencedSettingClass, common.models.BaseInvenTreeSetting):
+class PluginSetting(common.models.BaseInvenTreeSetting):
     """
     This model represents settings for individual plugins
     """
@@ -112,7 +112,13 @@ class PluginSetting(common.models.GenericReferencedSettingClass, common.models.B
             ('plugin', 'key'),
         ]
 
-    REFERENCE_NAME = 'plugin'
+    plugin = models.ForeignKey(
+        PluginConfig,
+        related_name='settings',
+        null=False,
+        verbose_name=_('Plugin'),
+        on_delete=models.CASCADE,
+    )
 
     @classmethod
     def get_setting_definition(cls, key, **kwargs):
@@ -142,16 +148,18 @@ class PluginSetting(common.models.GenericReferencedSettingClass, common.models.B
 
         return super().get_setting_definition(key, **kwargs)
 
-    plugin = models.ForeignKey(
+    def get_kwargs(self):
-        PluginConfig,
+        """
-        related_name='settings',
+        Explicit kwargs required to uniquely identify a particular setting object,
-        null=False,
+        in addition to the 'key' parameter
-        verbose_name=_('Plugin'),
+        """
-        on_delete=models.CASCADE,
+
-    )
+        return {
+            'plugin': self.plugin,
+        }
 
 
-class NotificationUserSetting(common.models.GenericReferencedSettingClass, common.models.BaseInvenTreeSetting):
+class NotificationUserSetting(common.models.BaseInvenTreeSetting):
     """
     This model represents notification settings for a user
     """
@@ -161,8 +169,6 @@ class NotificationUserSetting(common.models.GenericReferencedSettingClass, commo
             ('method', 'user', 'key'),
         ]
 
-    REFERENCE_NAME = 'method'
-
     @classmethod
     def get_setting_definition(cls, key, **kwargs):
         from common.notifications import storage
@@ -171,6 +177,17 @@ class NotificationUserSetting(common.models.GenericReferencedSettingClass, commo
 
         return super().get_setting_definition(key, **kwargs)
 
+    def get_kwargs(self):
+        """
+        Explicit kwargs required to uniquely identify a particular setting object,
+        in addition to the 'key' parameter
+        """
+
+        return {
+            'method': self.method,
+            'user': self.user,
+        }
+
     method = models.CharField(
         max_length=255,
         verbose_name=_('Method'),

InvenTree/plugin/samples/integration/sample.py

@@ -65,6 +65,16 @@ class SampleIntegrationPlugin(AppMixin, SettingsMixin, UrlsMixin, NavigationMixi
             ],
             'default': 'A',
         },
+        'SELECT_COMPANY': {
+            'name': 'Company',
+            'description': 'Select a company object from the database',
+            'model': 'company.company',
+        },
+        'SELECT_PART': {
+            'name': 'Part',
+            'description': 'Select a part object from the database',
+            'model': 'part.part',
+        },
     }
 
     NAVIGATION = [

InvenTree/plugin/samples/integration/templates/panel_demo/childless.html

@@ -6,6 +6,6 @@
 
 <em>This location has no sublocations!</em>
 <ul>
-    <li><b>Location Name</b>: {{ location.name }}</li>
+    <li><strong>Location Name</strong>: {{ location.name }}</li>
-    <li><b>Location Path</b>: {{ location.pathstring }}</li>
+    <li><strong>Location Path</strong>: {{ location.pathstring }}</li>
 </ul>

InvenTree/plugin/test_barcode.py

@@ -86,6 +86,22 @@ class BarcodeAPITest(APITestCase):
         self.assertIn('barcode_data', response.data)
         self.assertEqual(response.data['part']['pk'], 1)
 
+    def test_invalid_part(self):
+        """Test response for invalid part"""
+        response = self.client.post(
+            self.scan_url,
+            {
+                'barcode': {
+                    'part': 999999999,
+                }
+            },
+            format='json'
+        )
+
+        self.assertEqual(response.status_code, 400)
+
+        self.assertEqual(response.data['part'], 'Part does not exist')
+
     def test_find_stock_item(self):
         """
         Test that we can lookup a stock item based on ID
@@ -106,6 +122,23 @@ class BarcodeAPITest(APITestCase):
         self.assertIn('barcode_data', response.data)
         self.assertEqual(response.data['stockitem']['pk'], 1)
 
+    def test_invalid_item(self):
+        """Test response for invalid stock item"""
+
+        response = self.client.post(
+            self.scan_url,
+            {
+                'barcode': {
+                    'stockitem': 999999999,
+                }
+            },
+            format='json'
+        )
+
+        self.assertEqual(response.status_code, 400)
+
+        self.assertEqual(response.data['stockitem'], 'Stock item does not exist')
+
     def test_find_location(self):
         """
         Test that we can lookup a stock location based on ID
@@ -126,6 +159,23 @@ class BarcodeAPITest(APITestCase):
         self.assertIn('barcode_data', response.data)
         self.assertEqual(response.data['stocklocation']['pk'], 1)
 
+    def test_invalid_location(self):
+        """Test response for an invalid location"""
+
+        response = self.client.post(
+            self.scan_url,
+            {
+                'barcode': {
+                    'stocklocation': 999999999,
+                }
+            },
+            format='json'
+        )
+
+        self.assertEqual(response.status_code, 400)
+
+        self.assertEqual(response.data['stocklocation'], 'Stock location does not exist')
+
     def test_integer_barcode(self):
 
         response = self.postBarcode(self.scan_url, '123456789')
@@ -214,57 +264,3 @@ class BarcodeAPITest(APITestCase):
 
         self.assertIn('error', data)
         self.assertNotIn('success', data)
-
-
-class TestInvenTreeBarcode(APITestCase):
-
-    fixtures = [
-        'category',
-        'part',
-        'location',
-        'stock'
-    ]
-
-    def setUp(self):
-        # Create a user for auth
-        user = get_user_model()
-        user.objects.create_user('testuser', 'test@testing.com', 'password')
-
-        self.client.login(username='testuser', password='password')
-
-    def test_errors(self):
-        """
-        Test all possible error cases for assigment action
-        """
-
-        def test_assert_error(barcode_data):
-            response = self.client.post(
-                reverse('api-barcode-link'), format='json',
-                data={
-                    'barcode': barcode_data,
-                    'stockitem': 521
-                }
-            )
-            self.assertEqual(response.status_code, status.HTTP_200_OK)
-            self.assertIn('error', response.data)
-
-        # test with already existing stock
-        test_assert_error('{"stockitem": 521}')
-
-        # test with already existing stock location
-        test_assert_error('{"stocklocation": 7}')
-
-        # test with already existing part location
-        test_assert_error('{"part": 10004}')
-
-        # test with hash
-        test_assert_error('{"blbla": 10004}')
-
-    def test_scan(self):
-        """
-        Test that a barcode can be scanned
-        """
-
-        response = self.client.post(reverse('api-barcode-scan'), format='json', data={'barcode': 'blbla=10004'})
-        self.assertEqual(response.status_code, status.HTTP_200_OK)
-        self.assertIn('success', response.data)

InvenTree/stock/api.py

@@ -33,7 +33,7 @@ from company.serializers import CompanySerializer, SupplierPartSerializer
 
 from InvenTree.helpers import str2bool, isNull, extract_serial_numbers
 from InvenTree.helpers import DownloadFile
-from InvenTree.api import AttachmentMixin
+from InvenTree.api import AttachmentMixin, APIDownloadMixin
 from InvenTree.filters import InvenTreeOrderingFilter
 
 from order.models import PurchaseOrder
@@ -505,7 +505,7 @@ class StockFilter(rest_filters.FilterSet):
     updated_after = rest_filters.DateFilter(label='Updated after', field_name='updated', lookup_expr='gte')
 
 
-class StockList(generics.ListCreateAPIView):
+class StockList(APIDownloadMixin, generics.ListCreateAPIView):
     """ API endpoint for list view of Stock objects
 
     - GET: Return a list of all StockItem objects (with optional query filters)
@@ -646,6 +646,22 @@ class StockList(generics.ListCreateAPIView):
 
             return Response(response_data, status=status.HTTP_201_CREATED, headers=self.get_success_headers(serializer.data))
 
+    def download_queryset(self, queryset, export_format):
+        """
+        Download this queryset as a file.
+        Uses the APIDownloadMixin mixin class
+        """
+        dataset = StockItemResource().export(queryset=queryset)
+
+        filedata = dataset.export(export_format)
+
+        filename = 'InvenTree_StockItems_{date}.{fmt}'.format(
+            date=datetime.now().strftime("%d-%b-%Y"),
+            fmt=export_format
+        )
+
+        return DownloadFile(filedata, filename)
+
     def list(self, request, *args, **kwargs):
         """
         Override the 'list' method, as the StockLocation objects
@@ -658,25 +674,6 @@ class StockList(generics.ListCreateAPIView):
 
         params = request.query_params
 
-        # Check if we wish to export the queried data to a file.
-        # If so, skip pagination!
-        export_format = params.get('export', None)
-
-        if export_format:
-            export_format = str(export_format).strip().lower()
-
-            if export_format in ['csv', 'tsv', 'xls', 'xlsx']:
-                dataset = StockItemResource().export(queryset=queryset)
-
-                filedata = dataset.export(export_format)
-
-                filename = 'InvenTree_Stocktake_{date}.{fmt}'.format(
-                    date=datetime.now().strftime("%d-%b-%Y"),
-                    fmt=export_format
-                )
-
-                return DownloadFile(filedata, filename)
-
         page = self.paginate_queryset(queryset)
 
         if page is not None:

InvenTree/stock/models.py

@@ -30,7 +30,8 @@ from mptt.managers import TreeManager
 from decimal import Decimal, InvalidOperation
 from datetime import datetime, timedelta
 
-from InvenTree import helpers
+import InvenTree.helpers
+import InvenTree.ready
 import InvenTree.tasks
 
 import common.models
@@ -137,7 +138,7 @@ class StockLocation(InvenTreeTree):
     def format_barcode(self, **kwargs):
         """ Return a JSON string for formatting a barcode for this StockLocation object """
 
-        return helpers.MakeBarcode(
+        return InvenTree.helpers.MakeBarcode(
             'stocklocation',
             self.pk,
             {
@@ -555,7 +556,14 @@ class StockItem(MPTTModel):
 
         # If the item points to a build, check that the Part references match
         if self.build:
-            if not self.part == self.build.part:
+
+            if self.part == self.build.part:
+                # Part references match exactly
+                pass
+            elif self.part in self.build.part.get_conversion_options():
+                # Part reference is one of the valid conversion options for the build output
+                pass
+            else:
                 raise ValidationError({
                     'build': _("Build reference does not point to the same part object")
                 })
@@ -577,7 +585,7 @@ class StockItem(MPTTModel):
         Voltagile data (e.g. stock quantity) should be looked up using the InvenTree API (as it may change)
         """
 
-        return helpers.MakeBarcode(
+        return InvenTree.helpers.MakeBarcode(
             "stockitem",
             self.id,
             {
@@ -1775,7 +1783,7 @@ class StockItem(MPTTModel):
                 sn=self.serial)
         else:
             s = '{n} x {part}'.format(
-                n=helpers.decimal2string(self.quantity),
+                n=InvenTree.helpers.decimal2string(self.quantity),
                 part=self.part.full_name)
 
         if self.location:
@@ -1783,7 +1791,7 @@ class StockItem(MPTTModel):
 
         if self.purchase_order:
             s += " ({pre}{po})".format(
-                pre=helpers.getSetting("PURCHASEORDER_REFERENCE_PREFIX"),
+                pre=InvenTree.helpers.getSetting("PURCHASEORDER_REFERENCE_PREFIX"),
                 po=self.purchase_order,
             )
 
@@ -1851,7 +1859,7 @@ class StockItem(MPTTModel):
         result_map = {}
 
         for result in results:
-            key = helpers.generateTestKey(result.test)
+            key = InvenTree.helpers.generateTestKey(result.test)
             result_map[key] = result
 
         # Do we wish to "cascade" and include test results from installed stock items?
@@ -1898,7 +1906,7 @@ class StockItem(MPTTModel):
         failed = 0
 
         for test in required:
-            key = helpers.generateTestKey(test.test_name)
+            key = InvenTree.helpers.generateTestKey(test.test_name)
 
             if key in results:
                 result = results[key]
@@ -1949,7 +1957,7 @@ class StockItem(MPTTModel):
 
             # Attempt to validate report filter (skip if invalid)
             try:
-                filters = helpers.validateFilterString(test_report.filters)
+                filters = InvenTree.helpers.validateFilterString(test_report.filters)
                 if item_query.filter(**filters).exists():
                     reports.append(test_report)
             except (ValidationError, FieldError):
@@ -1977,7 +1985,7 @@ class StockItem(MPTTModel):
         for lbl in label.models.StockItemLabel.objects.filter(enabled=True):
 
             try:
-                filters = helpers.validateFilterString(lbl.filters)
+                filters = InvenTree.helpers.validateFilterString(lbl.filters)
 
                 if item_query.filter(**filters).exists():
                     labels.append(lbl)
@@ -2016,8 +2024,9 @@ def after_delete_stock_item(sender, instance: StockItem, **kwargs):
     Function to be executed after a StockItem object is deleted
     """
 
-    # Run this check in the background
+    if not InvenTree.ready.isImportingData():
-    InvenTree.tasks.offload_task('part.tasks.notify_low_stock_if_required', instance.part)
+        # Run this check in the background
+        InvenTree.tasks.offload_task('part.tasks.notify_low_stock_if_required', instance.part)
 
 
 @receiver(post_save, sender=StockItem, dispatch_uid='stock_item_post_save_log')
@@ -2026,8 +2035,9 @@ def after_save_stock_item(sender, instance: StockItem, created, **kwargs):
     Hook function to be executed after StockItem object is saved/updated
     """
 
-    # Run this check in the background
+    if not InvenTree.ready.isImportingData():
-    InvenTree.tasks.offload_task('part.tasks.notify_low_stock_if_required', instance.part)
+        # Run this check in the background
+        InvenTree.tasks.offload_task('part.tasks.notify_low_stock_if_required', instance.part)
 
 
 class StockItemAttachment(InvenTreeAttachment):
@@ -2170,7 +2180,7 @@ class StockItemTestResult(models.Model):
 
     @property
     def key(self):
-        return helpers.generateTestKey(self.test)
+        return InvenTree.helpers.generateTestKey(self.test)
 
     stock_item = models.ForeignKey(
         StockItem,

InvenTree/templates/js/dynamic/settings.js

@@ -71,9 +71,24 @@ function editSetting(key, options={}) {
                     help_text: response.description,
                     type: response.type,
                     choices: response.choices,
+                    value: response.value,
                 }
             };
 
+            // Foreign key lookup available!
+            if (response.type == 'related field') {
+                
+                if (response.model_name && response.api_url) {
+                    fields.value.type = 'related field';
+                    fields.value.model = response.model_name.split('.').at(-1);
+                    fields.value.api_url = response.api_url;
+                } else {
+                    // Unknown / unsupported model type, default to 'text' field
+                    fields.value.type = 'text';
+                    console.warn(`Unsupported model type: '${response.model_name}' for setting '${response.key}'`);
+                }
+            }
+
             constructChangeForm(fields, {
                 url: url,
                 method: 'PATCH',

InvenTree/templates/js/translated/build.js

@@ -1056,6 +1056,7 @@ function loadBuildOutputTable(build_info, options={}) {
             '{% url "api-stock-test-result-list" %}',
             {
                 build: build_info.pk,
+                ordering: '-date',
             },
             {
                 success: function(results) {
@@ -2354,7 +2355,7 @@ function loadBuildTable(table, options) {
 
     var filterTarget = options.filterTarget || null;
 
-    setupFilterList('build', table, filterTarget);
+    setupFilterList('build', table, filterTarget, {download: true});
 
     $(table).inventreeTable({
         method: 'get',

InvenTree/templates/js/translated/order.js

@@ -1394,7 +1394,9 @@ function loadPurchaseOrderTable(table, options) {
         filters[key] = options.params[key];
     }
 
-    setupFilterList('purchaseorder', $(table));
+    var target = '#filter-list-purchaseorder';
+
+    setupFilterList('purchaseorder', $(table), target, {download: true});
 
     $(table).inventreeTable({
         url: '{% url "api-po-list" %}',
@@ -2091,7 +2093,9 @@ function loadSalesOrderTable(table, options) {
 
     options.url = options.url || '{% url "api-so-list" %}';
 
-    setupFilterList('salesorder', $(table));
+    var target = '#filter-list-salesorder';
+
+    setupFilterList('salesorder', $(table), target, {download: true});
 
     $(table).inventreeTable({
         url: options.url,

InvenTree/users/models.py

@@ -648,36 +648,6 @@ class Owner(models.Model):
                                           owner_type=content_type_id)
             except Owner.DoesNotExist:
                 pass
-        else:
-            # Check whether user_or_group is a Group instance
-            try:
-                group = Group.objects.get(pk=user_or_group.id)
-            except Group.DoesNotExist:
-                group = None
-
-            if group:
-                try:
-                    owner = Owner.objects.get(owner_id=user_or_group.id,
-                                              owner_type=content_type_id_list[0])
-                except Owner.DoesNotExist:
-                    pass
-
-                return owner
-
-            # Check whether user_or_group is a User instance
-            try:
-                user = user_model.objects.get(pk=user_or_group.id)
-            except user_model.DoesNotExist:
-                user = None
-
-            if user:
-                try:
-                    owner = Owner.objects.get(owner_id=user_or_group.id,
-                                              owner_type=content_type_id_list[1])
-                except Owner.DoesNotExist:
-                    pass
-
-                return owner
 
         return owner
 

docker/Dockerfile

@@ -95,6 +95,9 @@ RUN echo "Downloading InvenTree from ${INVENTREE_GIT_REPO}"
 
 RUN git clone --branch ${INVENTREE_GIT_BRANCH} --depth 1 ${INVENTREE_GIT_REPO} ${INVENTREE_HOME}
 
+# Ref: https://github.blog/2022-04-12-git-security-vulnerability-announced/
+RUN git config --global --add safe.directory ${INVENTREE_HOME}
+
 # Checkout against a particular git tag
 RUN if [ -n "${INVENTREE_GIT_TAG}" ] ; then cd ${INVENTREE_HOME} && git fetch --all --tags && git checkout tags/${INVENTREE_GIT_TAG} -b v${INVENTREE_GIT_TAG}-branch ; fi