use EAN13 for Drink-Barcodes

Scanner has Problems with Code128. Scanning is not reliable and fast

drinks.csv

@@ -1,9 +1,9 @@
-drink,filename
-KitchenTschunk,tschunk
-VirginTschunk,vir_tschunk
-MoscowMule,moscowmule
-VirginMoscowMule,vir_moscowmule
-Schnaps2cl,schnaps2cl
-Schnaps4cl,schnaps4cl
-Likoer2cl,likoer2cl
-GinTonic,gintonic
+code,drink,filename
+133742000000,KitchenTschunk,tschunk
+133742000001,VirginTschunk,vir_tschunk
+133742000002,MoscowMule,moscowmule
+133742000003,VirginMoscowMule,vir_moscowmule
+133742000004,Schnaps2cl,schnaps2cl
+133742000005,Schnaps4cl,schnaps4cl
+133742000006,Likoer2cl,likoer2cl
+133742000007,GinTonic,gintonic

main.py

@@ -1,6 +1,6 @@
 import csv
 import os
-from barcode import Code128
+from barcode import Code128, EAN13
 from barcode.writer import ImageWriter
 from fpdf import FPDF
 
@@ -13,18 +13,25 @@ pdf = FPDF()
 pdf_row = 0
 pdf_colum = 0
 
-def generate_barcode(filename, content):
+def generate_barcode(filename, content, label):
     if not os.path.exists('out'):
         os.makedirs('out')
 
     with open('out/' + filename + '.png', "wb") as f:
+        EAN13.default_writer_options['write_text'] = False
+        EAN13.default_writer_options['text'] = label
+        EAN13(str(content), writer=ImageWriter()).write(f)
+
+
+def generate_barcode_username(filename, content, label):
+    if not os.path.exists('out'):
+        os.makedirs('out')
+
+    with open('out/' + filename + '.png', "wb") as f:
+        Code128.default_writer_options['write_text'] = False
+        Code128.default_writer_options['text'] = label
         Code128(str(content), writer=ImageWriter()).write(f)
 
-
-def generate_barcode_username(filename, content):
-    generate_barcode(filename, content + '\t') # we need a tab-character to select the 'strichliste'
-
-
 def pdf_add_barcode(imagepath):
     global pdf_row, pdf_colum, pdf_row_spacing
 
@@ -51,7 +58,7 @@ def pdf_add_barcode(imagepath):
 
 
 if __name__ == '__main__':
-    generate_barcode_username('raven', 'raven')
+    generate_barcode_username('raven\t', 'raven', 'raven')
 
     pdf.add_page()
     pdf.set_font("Arial", size=15)
@@ -61,9 +68,13 @@ if __name__ == '__main__':
         datareader = csv.reader(csvfile)
         next(datareader, None)  # skip the headers
         for row in datareader:
-            print('Generating Code for:', row[0], 'to', row[1])
-            generate_barcode(row[1], row[0])
-            pdf_add_barcode('out/' + row[1] + '.png')
+            row_code = row[0]
+            row_text = row[1]
+            row_filename = row[2]
+
+            print('Generating Code for:', row_text, 'row_filename', row_filename, 'row_code', row_code)
+            generate_barcode(row_filename, row_code, row_text)
+            pdf_add_barcode('out/' + row_filename + '.png')
 
     pdf.output("out/barcodes.pdf")