liquidctl

_grains/lsusb.py

@@ -0,0 +1,25 @@
+import re
+from subprocess import check_output
+
+def main():
+    dev_re = re.compile(r"Bus\s+(\d+)\s+Device\s+(\d+):\s+ID\s(\w+:\w+)\s(.+)$")
+    lsusb = check_output("lsusb", encoding='UTF-8')
+    devices = []
+    corsair_aio = None
+    for line in lsusb.splitlines():
+        info = dev_re.match(line)
+        if not info:
+            continue
+        bus, device, dev_id, tag = info.groups()
+        dev_info = {
+            "device": f"/dev/bus/usb/{bus}/{device}",
+            "id": dev_id,
+            "tag": tag,
+        }
+        if tag.startswith('Corsair H'):
+            corsair_aio = tag.split(maxsplit=3)[1]
+        devices.append(dev_info)
+    return {
+        'corsair_aio': corsair_aio,
+        'lsusb': devices,
+    }