feat: barcode templates

barcodes/generator/default_generator.py

@@ -0,0 +1,10 @@
+from barcodes.generator.base import BaseBarcodeGenerator
+from models import ProductBarcode, Product, BarcodeTemplate
+
+
+class DefaultBarcodeGenerator(BaseBarcodeGenerator):
+    def generate(self,
+                 barcode: ProductBarcode,
+                 product: Product,
+                 template: BarcodeTemplate):
+        pass