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Ignore nonexistent /sys/class/leds/*/device/uevent in find_device_hardware_id #39

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merged 1 commit into from Aug 11, 2020
Merged

Ignore nonexistent /sys/class/leds/*/device/uevent in find_device_hardware_id #39

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33 changes: 18 additions & 15 deletions src/python/approxeng/input/sys.py
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Expand Up @@ -102,21 +102,24 @@ def scan_system():
"""

def find_device_hardware_id(uevent_file_path):
hid_uniq = None
phys = None
for line in open(uevent_file_path, 'r').read().split('\n'):
parts = line.split('=')
if len(parts) == 2:
name, value = parts
value = value.replace('"', '')
if name == 'HID_UNIQ' and value:
hid_uniq = value
elif name == 'PHYS' and value:
phys = value.split('/')[0]
if hid_uniq:
return hid_uniq
elif phys:
return phys
try:
hid_uniq = None
phys = None
for line in open(uevent_file_path, 'r').read().split('\n'):
parts = line.split('=')
if len(parts) == 2:
name, value = parts
value = value.replace('"', '')
if name == 'HID_UNIQ' and value:
hid_uniq = value
elif name == 'PHYS' and value:
phys = value.split('/')[0]
if hid_uniq:
return hid_uniq
elif phys:
return phys
except FileNotFoundError:
pass
return None

leds = {}
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