feat: Add local barcode plugin

Makefile

@@ -3,6 +3,7 @@ COMPOSE_CMD ?= docker compose
 DOCKER_HOST ?= unix:///run/docker.sock
 COMPOSE := DOCKER_HOST=$(DOCKER_HOST) $(COMPOSE_CMD)
 
+.PHONY: psql
 psql:
 	$(COMPOSE) exec inventree-db sh -c 'psql $$POSTGRES_USER $$POSTGRES_DB'
 

compose.yml

@@ -83,6 +83,8 @@ services:
         volumes:
             # Data volume must map to /home/inventree/data
             - ${INVENTREE_EXT_VOLUME}:/home/inventree/data:z
+            - ./plugins.txt:/home/inventree/data/plugins.txt:ro,z
+            - ./plugins:/home/inventree/plugins:ro,z
         restart: unless-stopped
 
     # Background worker process handles long-running or periodic tasks

plugins.txt

@@ -0,0 +1 @@
+inventree-brother-plugin

plugins/ctbk_barcode.py

@@ -0,0 +1,25 @@
+from plugin import InvenTreePlugin
+from plugin.mixins import BarcodeMixin
+from part.models import Part
+import structlog
+
+logger = structlog.get_logger("ctbk.barcode")
+
+
+class CtbkBarcodePlugin(BarcodeMixin, InvenTreePlugin):
+    TITLE = "CTBK IPN Barcode Plugin"
+    NAME = "ctbk-ipn-barcode-plugin"
+    DESCRIPTION = "Supports the CTBK IPN format directly in barcodes"
+    VERSION = "0.0.1"
+    AUTHOR = "kleines Filmröllchen"
+
+    def scan(self, barcode_data):
+        if barcode_data.startswith("963e5440-"):
+            try:
+                instance = Part.objects.get(IPN=barcode_data.strip())
+                label = Part.barcode_model_type()
+
+                return {label: instance.format_matched_response()}
+            except Part.DoesNotExist:
+                logger.error("could not find a part for barcode %s", barcode_data)
+                pass