raven/Bar-Barcodegenerator
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

use EAN13 for Drink-Barcodes

Browse Source 
Scanner has Problems with Code128. Scanning is not reliable and fast
This commit is contained in:
raven 2023-01-18 23:58:21 +01:00
parent bf3da33050
commit 55aa6c75af
Signed by: raven
GPG Key ID: 7B8469C2D00594A1
2 changed files with 31 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drinks.csv
View File

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

1 code drink filename
2 133742000000 KitchenTschunk tschunk
3 133742000001 VirginTschunk vir_tschunk
4 133742000002 MoscowMule moscowmule
5 133742000003 VirginMoscowMule vir_moscowmule
6 133742000004 Schnaps2cl schnaps2cl
7 133742000005 Schnaps4cl schnaps4cl
8 133742000006 Likoer2cl likoer2cl
9 133742000007 GinTonic gintonic

33
main.py
View File

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