mirror of
https://github.com/Telecominfraproject/wlan-lanforge-scripts.git
synced 2025-10-29 18:02:35 +00:00
label-printer: webserver works, test script works, tested with two printers
This commit is contained in:
Jed Reynolds
@@ -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"<html><body><li> %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"<html><body><li>%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"<html><body><li> %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"<html><body><li>%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"<html><body><li> %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"<html><body><li>%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"<html><body><li>%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"<html><body><li>%s\n" % err_msg);
|
||||
return
|
||||
|
||||
self.print_pdf(printer=printer, html=html_filename)
|
||||
|
||||
self.wfile.write(b"<html><body>Success\n")
|
||||
|
||||
def html_template(self, model_="unset", mac_="unset", hostname_="unset", serial_="unset", datestr_="unset"):
|
||||
template = """<html><head></head><body style='margin:0;padding:0;'>
|
||||
<table border='1' cellpadding='2' cellspacing='0' height="90" style="margin:0;padding:0;float:left;clear:none;">
|
||||
<tr>
|
||||
<td width="1in" style="font-size: 5pt;">Model:</td>
|
||||
<td width="2in" style="font-family: 'Courier New',Courier; font-size: 8pt;"><b><tt>%s</tt></b> <small>(%s)</small></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td style="font-size: 5pt;">MAC:</td>
|
||||
<td style="font-family: 'Courier New',Courier; font-size: 8pt;"><b><tt>%s</tt></b></td>
|
||||
<tr>
|
||||
<td style="font-size: 5pt;">Hostname:</td>
|
||||
<td style="font-family: 'Courier New',Courier; font-size: 8pt;"><b><tt>%s</tt></b></td>
|
||||
<tr>
|
||||
<td style="font-size: 5pt;">Serial:</td>
|
||||
<td style="font-family: 'Courier New',Courier; font-size: 8pt;"><b><tt>#%s</tt></b></td>
|
||||
</tr>
|
||||
</table></body></html>""" % (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${w_px} \
|
||||
-sDEVICE=pdfwrite \
|
||||
-dFIXEDMEDIA \
|
||||
-dPDFFitPage \
|
||||
-dFitPage \
|
||||
-c '<</PageOffset [-80 -44]>> setpagedevice' \
|
||||
-f -
|
||||
"""
|
||||
w_inches = 3.45
|
||||
h_inches = 1.125
|
||||
w_points = math.floor(w_inches * 72)
|
||||
w_px = math.floor(w_inches * 720)
|
||||
h_points = math.floor(h_inches * 72)
|
||||
h_px = math.floor(h_inches * 720)
|
||||
pdf_file = "/tmp/label.pdf"
|
||||
pageoffset = "<</PageOffset [-80 -44]>> setpagedevice"
|
||||
geometry = "-g{}x{}".format(h_px, w_px)
|
||||
if os.path.exists(pdf_file):
|
||||
try:
|
||||
os.remove(pdf_file)
|
||||
except:
|
||||
err_msg = "unable to remove html file"
|
||||
self.send_response(400)
|
||||
self.send_header("X-Error", err_msg)
|
||||
self.wfile.write(b"<html><body><li>%s\n" % err_msg);
|
||||
return
|
||||
|
||||
cmd = """html2ps -L "%s" | gs -o "%s" %s -sDEVICE=pdfwrite -dFIXEDMEDIA -dPDFFitPage -dFitPage -c '%s' -f -""" \
|
||||
% (html, pdf_file, geometry, pageoffset)
|
||||
print("CMD: "+cmd)
|
||||
try:
|
||||
os.system(cmd)
|
||||
os.system("""lp -d "%s" -- "%s" """%(printer, pdf_file))
|
||||
except:
|
||||
err_msg = "trouble printing pdf"
|
||||
self.send_response(500)
|
||||
self.send_header("X-Error", err_msg)
|
||||
self.wfile.write(b"<html><body><li>%s\n" % err_msg);
|
||||
return
|
||||
|
||||
|
||||
|
||||
|
||||
def __main__():
|
||||
|
||||
10
label-printer/test.bash
Normal file → Executable file
10
label-printer/test.bash
Normal file → Executable file
@@ -1,4 +1,10 @@
|
||||
#!/bin/bash
|
||||
|
||||
curl -d 'model=lf0350&mac=00:0e:84:33:44:55:66&hostname=&serial=' -X POST http://localhost:8082/
|
||||
curl -d 'model=lf0350&mac=00:00' -X POST http://localhost:8082/
|
||||
#printer="LabelWriter-450"
|
||||
printer="QL-800"
|
||||
|
||||
curl -v -d "printer=${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/
|
||||
|
||||
Reference in New Issue
Block a user