diff --git a/label-printer/label-maker.py b/label-printer/label-maker.py index 2c3cd06b..2e4bafb8 100755 --- a/label-printer/label-maker.py +++ b/label-printer/label-maker.py @@ -4,15 +4,30 @@ This is a small python webserver intended to run on a testing network resource where the lf_kinstall.pl script can post build machine information to. A useful place to install this script would be on an APU2 being used as a VPN gateway. +Use these commands to install LaTeX and html2ps + apt install perlmagick libwww-perl libhtml-parser-perl libpaper-utils ghostscript weblint-perl texlive-base postscript-viewer xhtml2ps html2ps + +Consider these commands to install printer drivers: + +Dymo LabelWriter-450: + apt install printer-driver-dymo +Brother QL-800: + # apt install brother-cups-wrapper-common brother-cups-wrapper-extra brother-lpr-drivers-common brother-lpr-drivers-extra + Download drivers here: + https://support.brother.com/g/b/downloadtop.aspx?c=us&lang=en&prod=lpql800eus + * download driver + * install driver using + $ sudo dpkg -i dymo*.dpkg + Use these commands to install the script: -$ sudo cp label-printer.py /usr/local/bin -$ sudo chmod a+x /usr/local/bin/label-printer.py + $ sudo cp label-printer.py /usr/local/bin + $ sudo chmod a+x /usr/local/bin/label-printer.py -$ sudo cp label-printer.service /lib/systemd/system -$ sudo systemctl add-wants multi-user.target label-printer.service -$ sudo systemctl daemon-reload -$ sudo systemctl restart label-printer.service + $ sudo cp label-printer.service /lib/systemd/system + $ sudo systemctl add-wants multi-user.target label-printer.service + $ sudo systemctl daemon-reload + $ sudo systemctl restart label-printer.service At this point, if you use `ss -ntlp` you should see this script listening on port 8082. @@ -22,12 +37,18 @@ $ sudo ufw allow 8082/tcp $ sudo ufw reload Using kinstall to print labels: +Dymo LabelWriter: + $ ./lf_kinstall.pl --print-label http://192.168.9.1:8082/ --printer LabelWriter-450 -$ ./lf_kinstall.pl --print-label http://192.168.9.1:8082/ +Brother QL-800: + $ ./lf_kinstall.pl --print-label http://192.168.9.1:8082/ --printer QL800 """ +import os import logging +import math +from datetime import datetime from http import server from http.server import HTTPServer, BaseHTTPRequestHandler from ssl import wrap_socket @@ -46,64 +67,209 @@ class LabelPrinterRequestHandler(BaseHTTPRequestHandler): self.send_header("Content-type", "text/html") self.end_headers() + def popstr(self, param): + #print ("""TYPE : "%s" """%type(param)) + #print ("""TYPE0: "%s" """%type(param[0])) + if type(param) is list: + #print("""LIST: "%s", """%param[0]) + return str(param[0]) + return str(param) + def do_POST(self): + html_filename = "/tmp/label.html" + printer = "" hostname = ""; mac_address = ""; model = ""; serial = ""; length = int(self.headers['Content-Length']) - field_data = self.rfile.read(length) + field_data = self.rfile.read(length).decode("utf-8") print("Field_data: %s\n"%field_data); fields = parse_qs(field_data) - pprint(fields) + #pprint(fields) - for name in fields: - print("key %s"%name) - - if "mac" in fields: - mac_address = fields["mac"] + #for name in fields: + # print("""key %s: "%s" %s""" % (name, self.popstr(fields[name]), type(fields[name]))) + if "printer" in fields: + printer = self.popstr(fields["printer"]) + if (printer is None) or ("" == printer): + err_msg = "printer empty or unset" + self.send_resonse(400) + self.send_header("X-Error", err_msg) + self.end_headers() + self.wfile.write(b"
  • %s\n"%err_msg) + return else: + err_msg = "printer not submitted" self.send_response(400) - self.send_header("X-Error", "mac address not submitted") + self.send_header("X-Error", err_msg) self.end_headers(); - self.wfile.write(b"Bullshit\n"); + self.wfile.write(b"
  • %s\n" % err_msg); + return + + if "mac" in fields: + mac_address = self.popstr(fields["mac"]) + if (mac_address is None) or ("" == mac_address): + err_msg = "mac address empty or unset" + self.send_resonse(400) + self.send_header("X-Error", err_msg) + self.end_headers() + self.wfile.write(b"
  • %s\n"%err_msg) + return + else: + err_msg = "mac address not submitted" + self.send_response(400) + self.send_header("X-Error", err_msg) + self.end_headers(); + self.wfile.write(b"
  • %s\n" % err_msg); return if "model" in fields: - model = fields["model"] + model = self.popstr(fields["model"]) + if (model is None) or (model == ""): + err_msg = "model name not submitted" + self.send_reponse(400) + self.send_header("X-Error", err_msg) + self.end_headers() + self.wfile.write(b"
  • %s\n"%err_msg) + return else: + err_msg = "model name not submitted" self.send_response(400) - self.send_header("X-Error", "missing model name") - self.wfile.write(b"Bullshit\n"); + self.send_header("X-Error", err_msg) + self.wfile.write(b"
  • %s\n" % err_msg); return - - if (mac_address is None) or ("" == mac_address): - self.send_resonse(400) - self.send_header("X-Error", "mac address empty or unset") - self.end_headers() - self.wfile.write(b"missing mac address") - self.wfile.write(b"Bullshit\n"); - return - - if (model is None) or (model == ""): - self.send_reponse(400) - self.send_header("X-Error", "missing model name") - self.end_headers() - self.wfile.write(b"missing model name") - return - - if fields[hostname] is None: - hostname = "%s-%s"%(model, mac.substr(-5).replace(":", "")) + + if "hostname" in fields: + hostname = self.popstr(fields["hostname"]) else: - hostname = fields[hostname] - - print("HOSTNAME "+hostname) + suffix = mac_address[-5:].replace(":", "") + hostname = "%s-%s"%(model, suffix) + + if "serial" in fields: + serial = self.popstr(fields["serial"]) + else: + serial = hostname + + now = datetime.now() + datestr = now.strftime("%Y-%m") self.send_response(200); self.send_header("Content-type", "text/html") self.end_headers() - print("I'm in POST") + label_html = self.html_template(model_=model, mac_=mac_address, hostname_=hostname, serial_=serial, datestr_=datestr) + + if os.path.exists(html_filename): + try: + os.remove(html_filename) + except: + err_msg = "unable to remove html file" + self.send_response(400) + self.send_header("X-Error", err_msg) + self.wfile.write(b"
  • %s\n" % err_msg); + return + + try: + file = open(html_filename, "w") + file.write(label_html) + file.close() + except: + err_msg = "unable to write html file" + self.send_response(400) + self.send_header("X-Error", err_msg) + self.wfile.write(b"
  • %s\n" % err_msg); + return + + self.print_pdf(printer=printer, html=html_filename) + + self.wfile.write(b"Success\n") + + def html_template(self, model_="unset", mac_="unset", hostname_="unset", serial_="unset", datestr_="unset"): + template = """ + + + + + + + + + + + + + + + +
    Model:%s (%s)
    MAC:%s
    Hostname:%s
    Serial:#%s
    """ % (model_, datestr_, mac_, hostname_, serial_) + return template + + def print_pdf(self, printer, html ): + """ + + :param printer: + :param html: + :return: + """ + """ Below is shell script that worked: + +w_inches="3.45" +h_inches="1.125" +w_points=`echo "scale=0; ($w_inches * 72)/1" | bc -l` +w_px=`echo "scale=0; ($w_inches * 720)/1" | bc -l` +h_points=`echo "scale=0; ($h_inches * 72)/1" | bc -l` +h_px=`echo "scale=0; ($h_inches * 720)/1" | bc -l` + +echo "Page size in Points: $w_points x $h_points" +echo "Page size in pixels: $w_px x $h_px" + +rm -f label.pdf + +set -x +html2ps -L label.html \ +| gs -o label.pdf \ + -g${h_px}x${w_px} \ + -sDEVICE=pdfwrite \ + -dFIXEDMEDIA \ + -dPDFFitPage \ + -dFitPage \ + -c '<> setpagedevice' \ + -f - +""" + w_inches = 3.45 + h_inches = 1.125 + w_points = math.floor(w_inches * 72) + w_px = math.floor(w_inches * 720) + h_points = math.floor(h_inches * 72) + h_px = math.floor(h_inches * 720) + pdf_file = "/tmp/label.pdf" + pageoffset = "<> setpagedevice" + geometry = "-g{}x{}".format(h_px, w_px) + if os.path.exists(pdf_file): + try: + os.remove(pdf_file) + except: + err_msg = "unable to remove html file" + self.send_response(400) + self.send_header("X-Error", err_msg) + self.wfile.write(b"
  • %s\n" % err_msg); + return + + cmd = """html2ps -L "%s" | gs -o "%s" %s -sDEVICE=pdfwrite -dFIXEDMEDIA -dPDFFitPage -dFitPage -c '%s' -f -""" \ + % (html, pdf_file, geometry, pageoffset) + print("CMD: "+cmd) + try: + os.system(cmd) + os.system("""lp -d "%s" -- "%s" """%(printer, pdf_file)) + except: + err_msg = "trouble printing pdf" + self.send_response(500) + self.send_header("X-Error", err_msg) + self.wfile.write(b"
  • %s\n" % err_msg); + return + + def __main__(): diff --git a/label-printer/test.bash b/label-printer/test.bash old mode 100644 new mode 100755 index fd02c766..08531c0d --- a/label-printer/test.bash +++ b/label-printer/test.bash @@ -1,4 +1,10 @@ #!/bin/bash -curl -d 'model=lf0350&mac=00:0e:84:33:44:55:66&hostname=&serial=' -X POST http://localhost:8082/ -curl -d 'model=lf0350&mac=00:00' -X POST http://localhost:8082/ +#printer="LabelWriter-450" +printer="QL-800" + +curl -v -d "printer=${printer}&model=lf0350&mac=00:0e:84:33:44:55:66&hostname=vm-atlas20&serial=zoso1234" http://localhost:8082/ +sleep 4 +curl -v -d "printer=${printer}&model=lf0350&mac=00:0e:84:33:44:55:66&hostname=&serial=" http://localhost:8082/ +sleep 4 +curl -v -d "printer=${printer}&model=lf0350&mac=00:0e:84:33:44:55:66" http://localhost:8082/