Printer helper for window os
If you don't need to use web browser preview before printing
Prerequisites
Need to install these sofwares/library
pdf reader (foxit reader for eg)
wkhtmltopdf (html to pdf)
python3
pip
pipenv
Installation
Mandatory sofwares:
-
Need to install pdf reader
-
Link to download
wkhtmltopdf
Then install to path WKHTMLTOPDF_PATH same as app.ini file
Notice: Need to map PrinterLabel and PrinterPaper to local printer name
[default]
WKHTMLTOPDF_PATH = C:\\Program Files\\wkhtmltopdf\\bin\\wkhtmltopdf.exe
PrinterLabel = TSC TE200
PrinterPaper = BrotherHL-L2320D-series
Open CMD, run these command to install
pipenv install
pipenv shell
python socket_server.py
Client
Sample html file
<!DOCTYPE html>
<html>
<head>
<title>WebSocket demo</title>
<script src="https://code.jquery.com/jquery-3.5.0.min.js" integrity="sha256-xNzN2a4ltkB44Mc/Jz3pT4iU1cmeR0FkXs4pru/JxaQ=" crossorigin="anonymous"></script>
</head>
<body>
<script>
var ws = new WebSocket("ws://127.0.0.1:2377/");
ws.onmessage = function (event) {
data = event.data;
console.log(data);
};
$(document).ready(function() {
$("#click").on('click', function(){
ws.send(
JSON.stringify(
{
content: "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",
printer_name: $("#printer").val()
}
)
);
window.location.reload();
})
});
</script>
<select id="printer" >
<option value="PrinterLabel">PrinterLabel</option>
<option value="PrinterPaper">PrinterPaper</option>
</select>
<button id="click">print</button>
</body>
</html>
Then open it to select to the printer, then click on print button to test
Trace log
You can check log via app.log file