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Adding except NotImplementedError for 'detach_kernel_driver' in order to avoid the exception NotImplementedError: Operation not supported or unimplemented on this platform.

This commit is contained in:
Yaisel Hurtado 2019-06-27 19:28:49 -04:00
parent fa140c2df5
commit 7c7d401f31
1 changed files with 6 additions and 6 deletions
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12
src/escpos/printer.py
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@ -8,15 +8,12 @@
:license: MIT :license: MIT
""" """
from __future__ import absolute_import from __future__ import absolute_import, division, print_function, unicode_literals
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
import usb.core
import usb.util
import serial import serial
import socket import socket
import usb.core
import usb.util
from .escpos import Escpos from .escpos import Escpos
from .exceptions import USBNotFoundError from .exceptions import USBNotFoundError
@ -83,6 +80,8 @@ class Usb(Escpos):
if check_driver is None or check_driver: if check_driver is None or check_driver:
try: try:
self.device.detach_kernel_driver(0) self.device.detach_kernel_driver(0)
except NotImplementedError:
pass
except usb.core.USBError as e: except usb.core.USBError as e:
if check_driver is not None: if check_driver is not None:
print("Could not detatch kernel driver: {0}".format(str(e))) print("Could not detatch kernel driver: {0}".format(str(e)))
@ -349,6 +348,7 @@ class Dummy(Escpos):
_WIN32PRINT = False _WIN32PRINT = False
try: try:
import win32print import win32print
_WIN32PRINT = True _WIN32PRINT = True
except ImportError: except ImportError:
pass pass