init

.gitignore

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+bin
+lib
+.idea
+out

drinks.csv

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+drink,filename
+KitchenTschunk,tschunk
+VirginTschunk,vir_tschunk
+MoscowMule,moscowmule
+VirginMoscowMule,vir_moscowmule
+Schnaps2cl,schnaps2cl
+Schnaps4cl,schnaps4cl
+Likoer2cl,likoer2cl
+GinTonic,gintonic

main.py

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+import csv
+import os
+from barcode import Code128
+from barcode.writer import ImageWriter
+from fpdf import FPDF
+
+# options
+code_height = 40
+pdf_row_spacing = 40
+
+# internal stuff
+pdf = FPDF()
+pdf_row = 0
+pdf_colum = 0
+
+def generate_barcode(filename, content):
+    if not os.path.exists('out'):
+        os.makedirs('out')
+
+    with open('out/' + filename + '.png', "wb") as f:
+        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
+
+    # determine y-position
+    y = 10 + (pdf_row * pdf_row_spacing)
+
+    if y >= 251:
+        print('maximum Code per Page reached. Creating new Page.')
+        print('y: ' + str(y) + ' pdf_row: ' + str(pdf_row))
+        y = 10
+        pdf_row = 0
+        pdf.add_page()
+
+    # determine x-position
+    if pdf_colum == 0:
+        x = 10
+        pdf_colum += 1
+    else:
+        x = 100
+        pdf_colum = 0  # reset colum
+        pdf_row += 1  # start a new row
+
+    pdf.image(imagepath, x=x, y=y, h=code_height)
+
+
+if __name__ == '__main__':
+    generate_barcode_username('raven', 'raven')
+
+    pdf.add_page()
+    pdf.set_font("Arial", size=15)
+
+    filename = 'drinks.csv'
+    with open(filename, 'r') as csvfile:
+        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')
+
+    pdf.output("out/barcodes.pdf")
+
+    print()
+    print('drink responsibly and')
+    print('Don\'t drink and root!')

pyvenv.cfg

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+home = /opt/homebrew/Cellar/python@3.10/3.10.9/Frameworks/Python.framework/Versions/3.10
+implementation = CPython
+version_info = 3.10.9.final.0
+virtualenv = 20.13.0
+include-system-site-packages = false
+base-prefix = /opt/homebrew/Cellar/python@3.10/3.10.9/Frameworks/Python.framework/Versions/3.10
+base-exec-prefix = /opt/homebrew/Cellar/python@3.10/3.10.9/Frameworks/Python.framework/Versions/3.10
+base-executable = /opt/homebrew/bin/python3.10

requirements.txt

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+python-barcode
+python-barcode[images]
+fpdf