fix #2603

8 years ago · f708ba0b34
1 changed files with 5 additions and 2 deletions
--- a/lib/qrscanner.py
+++ b/lib/qrscanner.py
@ -66,9 +66,12 @@ def _find_system_cameras():
    devices = {} # Name -> device
    if os.path.exists(device_root):
        for device in os.listdir(device_root):
-            name = open(os.path.join(device_root, device, 'name')).read()
+            try:
+                name = open(os.path.join(device_root, device, 'name')).read()
+            except IOError:
+                continue
            name = name.strip('\n')
-            devices[name] = os.path.join("/dev",device)
+            devices[name] = os.path.join("/dev", device)
    return devices