Merge ~sylvain-pineau/checkbox-support:keep_bt_devices_without_product_id into checkbox-support:master

[Sylvain Pineau]

Fix BT device detection. Previous logic was filtering devices w/o a product/vendor id.
We've found systems with virtual bt devices (which are still valid devices).

[Sylvain Pineau (sylvain-pineau)]

self-approved

review: Approve

diff --git a/checkbox_support/parsers/udevadm.py b/checkbox_support/parsers/udevadm.py
index b90b807..4f66733 100644
--- a/checkbox_support/parsers/udevadm.py
+++ b/checkbox_support/parsers/udevadm.py
@@ -185,6 +185,13 @@ class UdevadmDevice(object):
         if bus == 'input' and any(d.bus == 'usb' for d in self._stack):
             bus = 'usb'
 
+        # Only keep one device per udev path
+        if (
+            bus == 'bluetooth' and
+            [d for d in reversed(self._stack) if d.category == "BLUETOOTH"]
+        ):
+            return None
+
         return bus
 
     @bus.setter
@@ -865,6 +872,10 @@ class UdevadmParser(object):
            device.bus == "virtio" and
            device.driver == "virtio_blk"):
             return False
+        # Do not ignore Bluetooth devices w/o product & vendor ID.
+        # These can be virtual devices, yet still constitute valid devices.
+        if device.category == "BLUETOOTH":
+            return False
 
         # Ignore devices without product AND vendor information
         if (device.product is None and device.product_id is None and