Skip to content

Instantly share code, notes, and snippets.

@russelldavies
Created June 16, 2016 14:34
Show Gist options
  • Save russelldavies/c08edd1077c757e284c0993af721ee1e to your computer and use it in GitHub Desktop.
Save russelldavies/c08edd1077c757e284c0993af721ee1e to your computer and use it in GitHub Desktop.
Zebra CUPS
#!/usr/bin/env python
from flask import Flask, request, abort
import cups
import requests
import os
import tempfile
app = Flask(__name__)
@app.route('/', methods=['POST'])
def print_job():
try:
zpl_url = request.form.get('zpl_url')
zpl_data = request.form.get('zpl_data')
printer = request.form['printer_name']
if zpl_url:
response = requests.get(zpl_url)
response.raise_for_status()
file_print(printer, response.content)
elif zpl_data:
file_print(printer, zpl_data)
except (RuntimeError, cups.IPPError, requests.exceptions.RequestException) as error:
abort(400)
return '', 201
def stream_print(printer, zpl_data):
cups_connection = cups.Connection()
job_id = cups_connection.createJob(printer, '', {})
cups_connection.startDocument(printer, job_id, '', cups.CUPS_FORMAT_RAW, 1)
cups_connection.writeRequestData(zpl_data, len(zpl_data))
cups_connection.finishDocument(printer)
def file_print(printer, zpl_data):
temp = tempfile.NamedTemporaryFile()
try:
temp.write(zpl_data)
temp.seek(0)
cups_connection = cups.Connection()
cups_connection.printFile(printer, temp.name, 'label', {})
finally:
temp.close()
if __name__ == "__main__":
#app.debug = True
app.run(host='0.0.0.0', port=8000)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment