UNHB-Admins/unhb-mqtt
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smash 2018-12-10 17:31:42 +01:00
parent 364b37308c
commit d289d37a1d
1 changed files with 6 additions and 5 deletions
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unhb-mqtt.py
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@ -2,26 +2,26 @@
import paho.mqtt.client as mqtt import paho.mqtt.client as mqtt
import json import json
import time import time
import sys
import pyqrcode import pyqrcode
from PIL import Image, ImageDraw, ImageFont from PIL import Image, ImageDraw, ImageFont
import cups import cups
from matrix_client.client import MatrixClient from matrix_client.client import MatrixClient
#Druckerinitialisierung
conn = cups.Connection() conn = cups.Connection()
printers = conn.getPrinters() printers = conn.getPrinters()
#formatiert uns hex in der notation 0x0000
def padhexa(s): def padhexa(s):
return '0x' + s[2:].zfill(4) return '0x' + s[2:].zfill(4)
def create_qrcode(newcode,hexid): def create_qrcode(newcode,hexid):
qrobj = pyqrcode.create(newcode) qrobj = pyqrcode.create(newcode)
with open('test.png', 'wb') as f: with open('qr.png', 'wb') as f:
qrobj.png(f, scale=10) qrobj.png(f, scale=10)
bg = Image.open('bg.png') bg = Image.open('bg.png')
img = Image.open('test.png') img = Image.open('qr.png')
width, height = img.size width, height = img.size
logo_size = 140 logo_size = 140
logo = Image.open('unhb.png') logo = Image.open('unhb.png')
@ -36,7 +36,8 @@ def create_qrcode(newcode,hexid):
outimage = "./qrcodes/" + hexid + ".png" outimage = "./qrcodes/" + hexid + ".png"
bg.save(outimage) bg.save(outimage)
print("qrcode erfolgreich generiert: " +newcode) print("qrcode erfolgreich generiert: " +newcode)
# conn.printFile("gk420d", outimage, "foo", {}) # druckername hardcoded!
conn.printFile("gk420d", outimage, "Labelausdruck", {})
def get_lastkey(): def get_lastkey():