online.py 文件源码

def main():
    pdf = BytesIO()

    # Find all IPv6 addresses with global scope
    ips = [dict(a['attrs'])['IFA_ADDRESS'] for a in IPRoute().get_addr() if a['scope'] == 0 and a['family'] == 10]

    if ips:
        c = Canvas(pdf, pagesize=(PAGE_W, PAGE_H))
        hello(c, 'http://[%s]/badge' % ips[0])
    else:
        # ToDo: Legacy IP bild
        c = Canvas(pdf, pagesize=(PAGE_W, PAGE_H))

    c.showPage()
    c.save()
    lpr = subprocess.Popen(['lpr', '-P', PRINTER], stdin=subprocess.PIPE)
    lpr.communicate(pdf.getvalue())
    if lpr.returncode != 0:
        pass