40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
# -*- coding: utf-8 -*-
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# Part of Odoo. See LICENSE file for full copyright and licensing details.
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import logging
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import win32print
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from odoo.addons.hw_drivers.interface import Interface
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_logger = logging.getLogger(__name__)
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class PrinterInterface(Interface):
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_loop_delay = 30
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connection_type = 'printer'
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def get_devices(self):
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printer_devices = {}
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printers = win32print.EnumPrinters(win32print.PRINTER_ENUM_LOCAL)
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for printer in printers:
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identifier = printer[2]
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handle_printer = win32print.OpenPrinter(identifier)
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# The value "2" is the level of detail we want to get from the printer, see:
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# https://learn.microsoft.com/en-us/windows/win32/printdocs/getprinter#parameters
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printer_details = win32print.GetPrinter(handle_printer, 2)
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printer_port = None
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if printer_details:
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# see: https://learn.microsoft.com/en-us/windows/win32/printdocs/printer-info-2#members
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printer_port = printer_details.get('pPortName')
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if printer_port is None:
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_logger.warning('Printer "%s" has no port name. Used dummy port', identifier)
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printer_port = 'IOT_DUMMY_PORT'
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printer_devices[identifier] = {
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'identifier': identifier,
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'printer_handle': handle_printer,
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'port': printer_port,
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}
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return printer_devices
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