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close sysfs file

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xxyzz 2021-12-16 13:15:21 +08:00
parent c3925db827
commit b37a4b1f7a
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1 changed files with 2 additions and 1 deletions
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3
src/calibre/devices/usbms/device.py
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@ -530,7 +530,8 @@ class Device(DeviceConfig, DevicePlugin):
if not os.access(sz, os.R_OK): if not os.access(sz, os.R_OK):
continue continue
try: try:
sz = int(open(sz, 'rb').read().decode('utf-8')) with open(sz, 'rb') as szf:
sz = int(szf.read().decode('utf-8'))
except: except:
continue continue
if sz > 0: if sz > 0: