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Merge pull request #349 from hurta2yaisel/development 

Adding except NotImplementedError for 'detach_kernel_driver' in order…
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Patrick Kanzler 2019-06-30 17:29:48 +02:00 committed by GitHub
parent fa140c2df5 50437cc9d2
commit 0c0e6b9b4c
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2 changed files with 7 additions and 6 deletions
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1
AUTHORS
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@ -36,4 +36,5 @@ Sergio Pulgarin
Stephan Sokolow Stephan Sokolow
Thijs Triemstra Thijs Triemstra
Thomas van den Berg Thomas van den Berg
Yaisel Hurtado
ysuolmai ysuolmai

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