file i/o: use 'with' keyword

2017-11-12 14:33:46 +01:00
parent 8fcf1656d3
commit c65d01ea96
8 changed files with 22 additions and 20 deletions
--- a/lib/qrscanner.py
+++ b/lib/qrscanner.py
@@ -70,7 +70,8 @@ def _find_system_cameras():
    if os.path.exists(device_root):
        for device in os.listdir(device_root):
            try:
-                name = open(os.path.join(device_root, device, 'name')).read()
+                with open(os.path.join(device_root, device, 'name')) as f:
+                    name = f.read()
            except IOError:
                continue
            name = name.strip('\n')