Merge remote-tracking branch 'inventree/master'

InvenTree/InvenTree/api.py

@@ -5,6 +5,8 @@ Main JSON interface views
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
+import logging
+
 from django.utils.translation import ugettext as _
 from django.http import JsonResponse
 
@@ -21,7 +23,10 @@ from .version import inventreeVersion, inventreeInstanceName
 from plugins import plugins as inventree_plugins
 
 
-print("Loading action plugins")
+logger = logging.getLogger(__name__)
+
+
+logger.info("Loading action plugins...")
 action_plugins = inventree_plugins.load_action_plugins()
 
 

InvenTree/InvenTree/ci_mysql.py

@@ -6,7 +6,7 @@ from InvenTree.settings import *
 
 # Override the 'test' database
 if 'test' in sys.argv:
-    eprint('InvenTree: Running tests - Using MySQL test database')
+    print('InvenTree: Running tests - Using MySQL test database')
     
     DATABASES['default'] = {
         # Ensure mysql backend is being used

InvenTree/InvenTree/ci_postgresql.py

@@ -6,7 +6,7 @@ from InvenTree.settings import *
 
 # Override the 'test' database
 if 'test' in sys.argv:
-    eprint('InvenTree: Running tests - Using PostGreSQL test database')
+    print('InvenTree: Running tests - Using PostGreSQL test database')
     
     DATABASES['default'] = {
         # Ensure postgresql backend is being used

InvenTree/InvenTree/settings.py

@@ -22,32 +22,58 @@ from datetime import datetime
 from django.utils.translation import gettext_lazy as _
 
 
-def eprint(*args, **kwargs):
-    """ Print a warning message to stderr """
-    print(*args, file=sys.stderr, **kwargs)
-
-
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
 cfg_filename = os.path.join(BASE_DIR, 'config.yaml')
 
 if not os.path.exists(cfg_filename):
-    CONFIG = {}
+    print("Error: config.yaml not found")
-    eprint("Warning: config.yaml not found - using default settings")
+    sys.exit(-1)
-else:
-    with open(cfg_filename, 'r') as cfg:
-        CONFIG = yaml.safe_load(cfg)
 
-# Read the autogenerated key-file
+with open(cfg_filename, 'r') as cfg:
-key_file = open(os.path.join(BASE_DIR, 'secret_key.txt'), 'r')
+    CONFIG = yaml.safe_load(cfg)
-
-SECRET_KEY = key_file.read().strip()
 
 # Default action is to run the system in Debug mode
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = CONFIG.get('debug', True)
 
+# Configure logging settings
+
+log_level = CONFIG.get('log_level', 'DEBUG').upper()
+
+if log_level not in ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL']:
+    log_level = 'WARNING'
+
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'handlers': {
+        'console': {
+            'class': 'logging.StreamHandler',
+        },
+    },
+    'root': {
+        'handlers': ['console'],
+        'level': log_level,
+    },
+}
+
+logging.basicConfig(
+    level=log_level,
+    format='%(asctime)s %(levelname)s %(message)s',
+)
+
+# Get a logger instance for this setup file
+logger = logging.getLogger(__name__)
+
+# Read the autogenerated key-file
+key_file_name = os.path.join(BASE_DIR, 'secret_key.txt')
+logger.info(f'Loading SERCRET_KEY from {key_file_name}')
+key_file = open(key_file_name, 'r')
+
+SECRET_KEY = key_file.read().strip()
+
 # List of allowed hosts (default = allow all)
 ALLOWED_HOSTS = CONFIG.get('allowed_hosts', ['*'])
 
@@ -65,13 +91,6 @@ if cors_opt:
     if not CORS_ORIGIN_ALLOW_ALL:
         CORS_ORIGIN_WHITELIST = cors_opt.get('whitelist', [])
 
-if DEBUG:
-    # will output to your console
-    logging.basicConfig(
-        level=logging.DEBUG,
-        format='%(asctime)s %(levelname)s %(message)s',
-    )
-
 # Web URL endpoint for served static files
 STATIC_URL = '/static/'
 
@@ -92,14 +111,18 @@ MEDIA_URL = '/media/'
 MEDIA_ROOT = os.path.abspath(CONFIG.get('media_root', os.path.join(BASE_DIR, 'media')))
 
 if DEBUG:
-    print("InvenTree running in DEBUG mode")
+    logger.info("InvenTree running in DEBUG mode")
-    print("MEDIA_ROOT:", MEDIA_ROOT)
+    
-    print("STATIC_ROOT:", STATIC_ROOT)
+logger.info(f"MEDIA_ROOT: '{MEDIA_ROOT}'")
+logger.info(f"STATIC_ROOT: '{STATIC_ROOT}'")
 
 # Does the user wish to use the sentry.io integration?
 sentry_opts = CONFIG.get('sentry', {})
 
 if sentry_opts.get('enabled', False):
+
+    logger.info("Configuring sentry.io integration")
+
     dsn = sentry_opts.get('dsn', None)
 
     if dsn is not None:
@@ -111,11 +134,11 @@ if sentry_opts.get('enabled', False):
             sentry_sdk.init(dsn=dsn, integrations=[DjangoIntegration()], send_default_pii=True)
 
         except ModuleNotFoundError:
-            print("sentry_sdk module not found. Install using 'pip install sentry-sdk'")
+            logger.error("sentry_sdk module not found. Install using 'pip install sentry-sdk'")
             sys.exit(-1)
 
     else:
-        print("Warning: Sentry.io DSN not specified")
+        logger.warning("Sentry.io DSN not specified in config file")
 
 # Application definition
 
@@ -160,17 +183,6 @@ INSTALLED_APPS = [
     'error_report',                 # Error reporting in the admin interface
 ]
 
-LOGGING = {
-    'version': 1,
-    'disable_existing_loggers': False,
-    'handlers': {
-        'console': {
-            'level': 'DEBUG',
-            'class': 'logging.StreamHandler',
-        },
-    },
-}
-
 MIDDLEWARE = CONFIG.get('middleware', [
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
@@ -193,7 +205,7 @@ AUTHENTICATION_BACKENDS = CONFIG.get('authentication_backends', [
 
 # If the debug toolbar is enabled, add the modules
 if DEBUG and CONFIG.get('debug_toolbar', False):
-    print("Running with DEBUG_TOOLBAR enabled")
+    logger.info("Running with DEBUG_TOOLBAR enabled")
     INSTALLED_APPS.append('debug_toolbar')
     MIDDLEWARE.append('debug_toolbar.middleware.DebugToolbarMiddleware')
 
@@ -285,7 +297,7 @@ When running unit tests, enforce usage of sqlite3 database,
 so that the tests can be run in RAM without any setup requirements
 """
 if 'test' in sys.argv:
-    eprint('InvenTree: Running tests - Using sqlite3 memory database')
+    logger.info('InvenTree: Running tests - Using sqlite3 memory database')
     DATABASES['default'] = {
         # Ensure sqlite3 backend is being used
         'ENGINE': 'django.db.backends.sqlite3',
@@ -295,14 +307,69 @@ if 'test' in sys.argv:
 
 # Database backend selection
 else:
-    if 'database' in CONFIG:
+    """
-        DATABASES['default'] = CONFIG['database']
+    Configure the database backend based on the user-specified values.
-    else:
+    
-        eprint("Warning: Database backend not specified - using default (sqlite)")
+    - Primarily this configuration happens in the config.yaml file
-        DATABASES['default'] = {
+    - However there may be reason to configure the DB via environmental variables
-            'ENGINE': 'django.db.backends.sqlite3',
+    - The following code lets the user "mix and match" database configuration
-            'NAME': os.path.join(BASE_DIR, 'inventree_db.sqlite3'),
+    """
-        }
+    
+    logger.info("Configuring database backend:")
+
+    # Extract database configuration from the config.yaml file
+    db_config = CONFIG.get('database', {})
+
+    # If a particular database option is not specified in the config file,
+    # look for it in the environmental variables
+    # e.g. INVENTREE_DB_NAME / INVENTREE_DB_USER / etc
+
+    db_keys = ['ENGINE', 'NAME', 'USER', 'PASSWORD', 'HOST', 'PORT']
+
+    for key in db_keys:
+        if key not in db_config:
+            logger.debug(f" - Missing {key} value: Looking for environment variable INVENTREE_DB_{key}")
+            env_key = f'INVENTREE_DB_{key}'
+            env_var = os.environ.get(env_key, None)
+
+            if env_var is not None:
+                logger.info(f'Using environment variable INVENTREE_DB_{key}')
+                db_config[key] = env_var
+            else:
+                logger.debug(f'    INVENTREE_DB_{key} not found in environment variables')
+
+    # Check that required database configuration options are specified
+    reqiured_keys = ['ENGINE', 'NAME']
+    
+    for key in reqiured_keys:
+        if key not in db_config:
+            error_msg = f'Missing required database configuration value {key} in config.yaml'
+            logger.error(error_msg)
+
+            print('Error: ' + error_msg)
+            sys.exit(-1)
+
+    """
+    Special considerations for the database 'ENGINE' setting.
+    It can be specified in config.yaml (or envvar) as either (for example):
+    - sqlite3
+    - django.db.backends.sqlite3
+    - django.db.backends.postgresql
+    """
+
+    db_engine = db_config['ENGINE']
+
+    if db_engine.lower() in ['sqlite3', 'postgresql', 'mysql']:
+        # Prepend the required python module string
+        db_engine = f'django.db.backends.{db_engine.lower()}'
+        db_config['ENGINE'] = db_engine
+
+    db_name = db_config['NAME']
+
+    logger.info(f"Database ENGINE: '{db_engine}'")
+    logger.info(f"Database NAME: '{db_name}'")
+
+    DATABASES['default'] = db_config
 
 CACHES = {
     'default': {
@@ -341,7 +408,7 @@ AUTH_PASSWORD_VALIDATORS = [
 EXTRA_URL_SCHEMES = CONFIG.get('extra_url_schemes', [])
 
 if not type(EXTRA_URL_SCHEMES) in [list]:
-    eprint("Warning: extra_url_schemes not correctly formatted")
+    logger.warning("extra_url_schemes not correctly formatted")
     EXTRA_URL_SCHEMES = []
 
 # Internationalization

InvenTree/InvenTree/urls.py

@@ -82,7 +82,7 @@ settings_urls = [
     url(r'^purchase-order/?', SettingsView.as_view(template_name='InvenTree/settings/po.html'), name='settings-po'),
     url(r'^sales-order/?', SettingsView.as_view(template_name='InvenTree/settings/so.html'), name='settings-so'),
 
-    url(r'^(?P<pk>\d+)/edit/?', SettingEdit.as_view(), name='setting-edit'),
+    url(r'^(?P<pk>\d+)/edit/', SettingEdit.as_view(), name='setting-edit'),
 
     # Catch any other urls
     url(r'^.*$', SettingsView.as_view(template_name='InvenTree/settings/user.html'), name='settings'),

InvenTree/InvenTree/version.py

@@ -7,7 +7,7 @@ import django
 
 import common.models
 
-INVENTREE_SW_VERSION = "0.1.4 pre"
+INVENTREE_SW_VERSION = "0.1.5 pre"
 
 
 def inventreeInstanceName():

InvenTree/barcode/barcode.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 import hashlib
+import logging
 
 from InvenTree import plugins as InvenTreePlugins
 from barcode import plugins as BarcodePlugins
@@ -10,6 +11,9 @@ from stock.serializers import StockItemSerializer, LocationSerializer
 from part.serializers import PartSerializer
 
 
+logger = logging.getLogger(__name__)
+
+
 def hash_barcode(barcode_data):
     """
     Calculate an MD5 hash of barcode data
@@ -130,18 +134,17 @@ def load_barcode_plugins(debug=False):
     Function to load all barcode plugins
     """
 
-    if debug:
+    logger.debug("Loading barcode plugins")
-        print("Loading barcode plugins")
 
     plugins = InvenTreePlugins.get_plugins(BarcodePlugins, BarcodePlugin)
 
     if debug:
         if len(plugins) > 0:
-            print("Discovered {n} plugins:".format(n=len(plugins)))
+            logger.info(f"Discovered {len(plugins)} barcode plugins")
 
             for p in plugins:
-                print(" - {p}".format(p=p.PLUGIN_NAME))
+                logger.debug(" - {p}".format(p=p.PLUGIN_NAME))
         else:
-            print("No barcode plugins found")
+            logger.debug("No barcode plugins found")
 
     return plugins

InvenTree/common/models.py

@@ -8,7 +8,8 @@ from __future__ import unicode_literals
 
 import os
 
-from django.db import models
+from django.db import models, transaction
+from django.db.utils import IntegrityError, OperationalError
 from django.conf import settings
 
 import djmoney.settings
@@ -16,7 +17,6 @@ from djmoney.models.fields import MoneyField
 from djmoney.contrib.exchange.models import convert_money
 from djmoney.contrib.exchange.exceptions import MissingRate
 
-from django.db.utils import OperationalError
 from django.utils.translation import ugettext as _
 from django.core.validators import MinValueValidator
 from django.core.exceptions import ValidationError
@@ -230,7 +230,7 @@ class InvenTreeSetting(models.Model):
             return None
 
     @classmethod
-    def get_default_value(cls, key):
+    def get_setting_default(cls, key):
         """
         Return the default value for a particular setting.
 
@@ -281,20 +281,23 @@ class InvenTreeSetting(models.Model):
 
         try:
             setting = InvenTreeSetting.objects.filter(key__iexact=key).first()
-        except OperationalError:
-            # Settings table has not been created yet!
-            return None
         except (ValueError, InvenTreeSetting.DoesNotExist):
-            
+            setting = None
+        except (IntegrityError, OperationalError):
+            setting = None
+
+        # Setting does not exist! (Try to create it)
+        if not setting:
+
+            setting = InvenTreeSetting(key=key, value=InvenTreeSetting.get_setting_default(key))
+
             try:
-                # Attempt Create the setting if it does not exist
+                # Wrap this statement in "atomic", so it can be rolled back if it fails
-                setting = InvenTreeSetting.create(
+                with transaction.atomic():
-                    key=key,
+                    setting.save()
-                    value=InvenTreeSetting.get_default_value(key)
+            except (IntegrityError, OperationalError):
-                )
+                # It might be the case that the database isn't created yet
-            except OperationalError:
+                pass
-                # Settings table has not been created yet
-                setting = None
 
         return setting
 
@@ -322,7 +325,7 @@ class InvenTreeSetting(models.Model):
 
         # If no backup value is specified, atttempt to retrieve a "default" value
         if backup_value is None:
-            backup_value = cls.get_default_value(key)
+            backup_value = cls.get_setting_default(key)
 
         setting = InvenTreeSetting.get_setting_object(key)
 
@@ -380,7 +383,7 @@ class InvenTreeSetting(models.Model):
 
     @property
     def default_value(self):
-        return InvenTreeSetting.get_default_value(self.key)
+        return InvenTreeSetting.get_setting_default(self.key)
 
     @property
     def description(self):
@@ -403,6 +406,9 @@ class InvenTreeSetting(models.Model):
         if validator is not None:
             self.run_validator(validator)
 
+        if self.is_bool():
+            self.value = InvenTree.helpers.str2bool(self.value)
+
     def run_validator(self, validator):
         """
         Run a validator against the 'value' field for this InvenTreeSetting object.

InvenTree/common/test_views.py

@@ -0,0 +1,143 @@
+"""
+Unit tests for the views associated with the 'common' app
+"""
+
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+import json
+
+from django.test import TestCase
+from django.urls import reverse
+from django.contrib.auth import get_user_model
+
+from common.models import InvenTreeSetting
+
+
+class SettingsViewTest(TestCase):
+    """
+    Tests for the settings management views
+    """
+
+    fixtures = [
+        'settings',
+    ]
+
+    def setUp(self):
+        super().setUp()
+
+        # Create a user (required to access the views / forms)
+        self.user = get_user_model().objects.create_user(
+            username='username',
+            email='me@email.com',
+            password='password',
+        )
+
+        self.client.login(username='username', password='password')
+
+    def get_url(self, pk):
+        return reverse('setting-edit', args=(pk,))
+
+    def get_setting(self, title):
+
+        return InvenTreeSetting.get_setting_object(title)
+
+    def get(self, url, status=200):
+
+        response = self.client.get(url, HTTP_X_REQUESTED_WITH='XMLHttpRequest')
+
+        self.assertEqual(response.status_code, status)
+
+        data = json.loads(response.content)
+
+        return response, data
+
+    def post(self, url, data, valid=None):
+
+        response = self.client.post(url, data, HTTP_X_REQUESTED_WITH='XMLHttpRequest')
+
+        json_data = json.loads(response.content)
+
+        # If a particular status code is required
+        if valid is not None:
+            if valid:
+                self.assertEqual(json_data['form_valid'], True)
+            else:
+                self.assertEqual(json_data['form_valid'], False)
+
+        form_errors = json.loads(json_data['form_errors'])
+
+        return json_data, form_errors
+
+    def test_instance_name(self):
+        """
+        Test that we can get the settings view for particular setting objects.
+        """
+
+        # Start with something basic - load the settings view for INVENTREE_INSTANCE
+        setting = self.get_setting('INVENTREE_INSTANCE')
+
+        self.assertIsNotNone(setting)
+        self.assertEqual(setting.value, 'My very first InvenTree Instance')
+
+        url = self.get_url(setting.pk)
+
+        self.get(url)
+
+        new_name = 'A new instance name!'
+
+        # Change the instance name via the form
+        data, errors = self.post(url, {'value': new_name}, valid=True)
+
+        name = InvenTreeSetting.get_setting('INVENTREE_INSTANCE')
+
+        self.assertEqual(name, new_name)
+
+    def test_choices(self):
+        """
+        Tests for a setting which has choices
+        """
+
+        setting = InvenTreeSetting.get_setting_object('INVENTREE_DEFAULT_CURRENCY')
+
+        # Default value!
+        self.assertEqual(setting.value, 'USD')
+
+        url = self.get_url(setting.pk)
+
+        # Try posting an invalid currency option
+        data, errors = self.post(url, {'value': 'XPQaaa'}, valid=False)
+
+        self.assertIsNotNone(errors.get('value'), None)
+
+        # Try posting a valid currency option
+        data, errors = self.post(url, {'value': 'AUD'}, valid=True)
+
+    def test_binary_values(self):
+        """
+        Test for binary value
+        """
+        
+        setting = InvenTreeSetting.get_setting_object('PART_COMPONENT')
+
+        self.assertTrue(setting.as_bool())
+
+        url = self.get_url(setting.pk)
+
+        setting.value = True
+        setting.save()
+
+        # Try posting some invalid values
+        # The value should be "cleaned" and stay the same
+        for value in ['', 'abc', 'cat', 'TRUETRUETRUE']:
+            self.post(url, {'value': value}, valid=True)
+
+        # Try posting some valid (True) values
+        for value in [True, 'True', '1', 'yes']:
+            self.post(url, {'value': value}, valid=True)
+            self.assertTrue(InvenTreeSetting.get_setting('PART_COMPONENT'))
+
+        # Try posting some valid (False) values
+        for value in [False, 'False']:
+            self.post(url, {'value': value}, valid=True)
+            self.assertFalse(InvenTreeSetting.get_setting('PART_COMPONENT'))

InvenTree/common/tests.py

@@ -70,7 +70,7 @@ class SettingsTest(TestCase):
 
         for key in InvenTreeSetting.GLOBAL_SETTINGS.keys():
 
-            value = InvenTreeSetting.get_default_value(key)
+            value = InvenTreeSetting.get_setting_default(key)
 
             InvenTreeSetting.set_setting(key, value, self.user)
 

InvenTree/common/views.py

@@ -72,3 +72,32 @@ class SettingEdit(AjaxUpdateView):
             form.fields['value'].help_text = description
 
         return form
+
+    def validate(self, setting, form):
+        """
+        Perform custom validation checks on the form data.
+        """
+
+        data = form.cleaned_data
+
+        value = data.get('value', None)
+
+        if setting.choices():
+            """
+            If a set of choices are provided for a given setting,
+            the provided value must be one of those choices.
+            """
+
+            choices = [choice[0] for choice in setting.choices()]
+
+            if value not in choices:
+                form.add_error('value', _('Supplied value is not allowed'))
+
+        if setting.is_bool():
+            """
+            If a setting is defined as a boolean setting,
+            the provided value must look somewhat like a boolean value!
+            """
+
+            if not str2bool(value, test=True) and not str2bool(value, test=False):
+                form.add_error('value', _('Supplied value must be a boolean'))

InvenTree/company/apps.py

@@ -1,12 +1,16 @@
 from __future__ import unicode_literals
 
 import os
+import logging
 
 from django.apps import AppConfig
 from django.db.utils import OperationalError, ProgrammingError
 from django.conf import settings
 
 
+logger = logging.getLogger(__name__)
+
+
 class CompanyConfig(AppConfig):
     name = 'company'
 
@@ -21,7 +25,7 @@ class CompanyConfig(AppConfig):
 
         from .models import Company
 
-        print("InvenTree: Checking Company image thumbnails")
+        logger.debug("Checking Company image thumbnails")
 
         try:
             for company in Company.objects.all():
@@ -30,11 +34,11 @@ class CompanyConfig(AppConfig):
                     loc = os.path.join(settings.MEDIA_ROOT, url)
 
                     if not os.path.exists(loc):
-                        print("InvenTree: Generating thumbnail for Company '{c}'".format(c=company.name))
+                        logger.info("InvenTree: Generating thumbnail for Company '{c}'".format(c=company.name))
                         try:
                             company.image.render_variations(replace=False)
                         except FileNotFoundError:
-                            print("Image file missing")
+                            logger.warning("Image file missing")
                             company.image = None
                             company.save()
         except (OperationalError, ProgrammingError):

InvenTree/config_template.yaml

@@ -1,22 +1,41 @@
 
 # Database backend selection - Configure backend database settings
-# Ref: https://docs.djangoproject.com/en/2.2/ref/settings/#std:setting-DATABASES
+# Ref: https://docs.djangoproject.com/en/dev/ref/settings/#std:setting-DATABASES
 # Specify database parameters below as they appear in the Django docs
+
+# Note: Database configuration options can also be specified from environmental variables,
+#       with the prefix INVENTREE_DB_
+#       e.g INVENTREE_DB_NAME / INVENTREE_DB_USER / INVENTREE_DB_PASSWORD
 database:
-  # Example configuration - sqlite (default)
+  # Default configuration - sqlite filesystem database
-  ENGINE: django.db.backends.sqlite3
+  ENGINE: sqlite3
   NAME: '../inventree_default_db.sqlite3' 
   
   # For more complex database installations, further parameters are required
   # Refer to the django documentation for full list of options
   
-  # Example Configuration - MySQL
+  # --- Available options: ---
+  # ENGINE: Database engine. Selection from:
+  #         - sqlite3
+  #         - mysql
+  #         - postgresql
+  # NAME: Database name
+  # USER: Database username (if required)
+  # PASSWORD: Database password (if required)
+  # HOST: Database host address (if required)
+  # PORT: Database host port (if required)
+
+  # --- Example Configuration - sqlite3 ---
+  # ENGINE: sqlite3
+  # NAME: '/path/to/database.sqlite3'
+
+  # --- Example Configuration - MySQL ---
   #ENGINE: django.db.backends.mysql
   #NAME: inventree
   #USER: inventree_username
   #PASSWORD: inventree_password
-  #HOST: ''
+  #HOST: '127.0.0.1'
-  #PORT: ''
+  #PORT: '5432'
 
 # Select default system language (default is 'en-us')
 language: en-us
@@ -45,6 +64,9 @@ debug: True
 #       and only if InvenTree is accessed from a local IP (127.0.0.1)
 debug_toolbar: False
 
+# Configure the system logging level
+# Options: DEBUG / INFO / WARNING / ERROR / CRITICAL
+log_level: WARNING
 
 # Allowed hosts (see ALLOWED_HOSTS in Django settings documentation)
 # A list of strings representing the host/domain names that this Django site can serve.

InvenTree/part/apps.py

@@ -1,12 +1,16 @@
 from __future__ import unicode_literals
 
 import os
+import logging
 
 from django.db.utils import OperationalError, ProgrammingError
 from django.apps import AppConfig
 from django.conf import settings
 
 
+logger = logging.getLogger(__name__)
+
+
 class PartConfig(AppConfig):
     name = 'part'
 
@@ -27,7 +31,7 @@ class PartConfig(AppConfig):
 
         from .models import Part
 
-        print("InvenTree: Checking Part image thumbnails")
+        logger.debug("InvenTree: Checking Part image thumbnails")
 
         try:
             for part in Part.objects.all():
@@ -36,11 +40,11 @@ class PartConfig(AppConfig):
                     loc = os.path.join(settings.MEDIA_ROOT, url)
                     
                     if not os.path.exists(loc):
-                        print("InvenTree: Generating thumbnail for Part '{p}'".format(p=part.name))
+                        logger.info("InvenTree: Generating thumbnail for Part '{p}'".format(p=part.name))
                         try:
                             part.image.render_variations(replace=False)
                         except FileNotFoundError:
-                            print("Image file missing")
+                            logger.warning("Image file missing")
                             part.image = None
                             part.save()
         except (OperationalError, ProgrammingError):

InvenTree/part/forms.py

@@ -213,6 +213,7 @@ class EditPartForm(HelperForm):
     class Meta:
         model = Part
         fields = [
+            'confirm_creation',
             'category',
             'selected_category_templates',
             'parent_category_templates',
@@ -222,7 +223,6 @@ class EditPartForm(HelperForm):
             'revision',
             'bom_copy',
             'parameters_copy',
-            'confirm_creation',
             'keywords',
             'variant_of',
             'link',

InvenTree/part/models.py

@@ -350,7 +350,7 @@ class Part(MPTTModel):
             # Get part category
             category = self.category
 
-            if add_category_templates:
+            if category and add_category_templates:
                 # Store templates added to part
                 template_list = []
 

InvenTree/part/views.py

@@ -1320,8 +1320,6 @@ class BomUpload(InvenTreeRoleMixin, FormView):
                 except KeyError:
                     pass
 
-            print(row, row['part_match'], len(row['part_options']))
-
     def extractDataFromFile(self, bom):
         """ Read data from the BOM file """
 

InvenTree/plugins/action/action.py

@@ -1,8 +1,13 @@
 # -*- coding: utf-8 -*-
 
+import logging
+
 import plugins.plugin as plugin
 
 
+logger = logging.getLogger(__name__)
+
+
 class ActionPlugin(plugin.InvenTreePlugin):
     """
     The ActionPlugin class is used to perform custom actions

InvenTree/plugins/plugins.py

@@ -3,12 +3,16 @@
 import inspect
 import importlib
 import pkgutil
+import logging
 
 # Action plugins
 import plugins.action as action
 from plugins.action.action import ActionPlugin
 
 
+logger = logging.getLogger(__name__)
+
+
 def iter_namespace(pkg):
 
     return pkgutil.iter_modules(pkg.__path__, pkg.__name__ + ".")
@@ -52,14 +56,14 @@ def load_action_plugins():
     Return a list of all registered action plugins
     """
 
-    print("Loading action plugins")
+    logger.debug("Loading action plugins")
 
     plugins = get_plugins(action, ActionPlugin)
 
     if len(plugins) > 0:
-        print("Discovered {n} action plugins:".format(n=len(plugins)))
+        logger.info("Discovered {n} action plugins:".format(n=len(plugins)))
 
         for ap in plugins:
-            print(" - {ap}".format(ap=ap.PLUGIN_NAME))
+            logger.debug(" - {ap}".format(ap=ap.PLUGIN_NAME))
 
     return plugins