Arch Linux User Repository

If you're hitting KeyError: 'Neither ... LinkKey->Key nor LongTermKey->Key exist', it means at least one paired device under /var/lib/bluetooth/ has neither a [LinkKey] nor [LongTermKey] section (usually a half-paired or stale BLE entry).

Note: If you don't really want to sync all devices, use --sync instead of --sync-all to sidestep this.

Find the offenders:

sudo find /var/lib/bluetooth -name info -type f \! -exec grep -lE '^\[(LinkKey|LongTermKey)\]' {} \; -print

For each path printed, note the device MAC (last directory) and remove it in bluetoothctl:

bluetoothctl
remove AA:BB:CC:DD:EE:FF
exit

Re-pair afterwards if it's a device you actually use. Then bt-dualboot runs cleanly.

Traceback (most recent call last):
  File "/usr/bin/bt-dualboot", line 5, in <module>
    from bt_dualboot.cli.app import main

@alllexx88 Can confirm the fix works. Thank you.

@sonnyka I had a similar error. I applied this patch: http://0x0.st/Kf-d.diff It's originally this PR: https://github.com/x2es/bt-dualboot/pull/14 with LongTermKey changed to SlaveLongTermKey

It worked with my BT devices afterwards (an xbox controller and a logitech mouse)

Installed bt-dualboot via yay.

Trying:

sudo bt-dualboot --dry-run --win /mnt/windows -l  

Error:
Traceback (most recent call last):
  File "/usr/bin/bt-dualboot", line 8, in <module>
    sys.exit(main())
             ~~~~^^
  File "/usr/lib/python3.13/site-packages/bt_dualboot/cli/app.py", line 342, in main
    app.run()
    ~~~~~~~^^
  File "/usr/lib/python3.13/site-packages/bt_dualboot/cli/app.py", line 252, in run
    self.list_devices()
    ~~~~~~~~~~~~~~~~~^^
  File "/usr/lib/python3.13/site-packages/bt_dualboot/cli/app.py", line 173, in list_devices
    devices=sync_manager.devices_both_synced(),
            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/usr/lib/python3.13/site-packages/bt_dualboot/bt_sync_manager/bt_sync_manager.py", line 111, in devices_both_synced
    index = self._index_devices()
  File "/usr/lib/python3.13/site-packages/bt_dualboot/bt_sync_manager/bt_sync_manager.py", line 61, in _index_devices
    linux_devices   = get_linux_devices()
  File "/usr/lib/python3.13/site-packages/bt_dualboot/bt_linux/devices.py", line 40, in get_devices
    return [bluetooth_device_factory(device_path) for device_path in get_devices_paths()]
            ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
  File "/usr/lib/python3.13/site-packages/bt_dualboot/bt_linux/bluetooth_device_factory.py", line 55, in bluetooth_device_factory
    info = extract_info(device_info_path)
  File "/usr/lib/python3.13/site-packages/bt_dualboot/bt_linux/bluetooth_device_factory.py", line 39, in extract_info
    "pairing_key":  config.get("LinkKey", "Key"),
                    ~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.13/configparser.py", line 810, in get
    d = self._unify_values(section, vars)
  File "/usr/lib/python3.13/configparser.py", line 1184, in _unify_values
    raise NoSectionError(section) from None
configparser.NoSectionError: No section: 'LinkKey'

Please help! :)

I have the following recommend changes to get this package building.

1. Use the git repo as to get all the pyproject.toml build method
2. Add required makedepends
3. Clean up depends
4. Add a build() function
5. SPDX compliant license information
6. Remove conflicts and provides because that is not relevant here.

diff --git a/PKGBUILD b/PKGBUILD
index d6ad721..88792b6 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -7,17 +7,19 @@ pkgrel=1
 pkgdesc="Sync Bluetooth for dualboot Linux and Windows"
 arch=('any')
 url="https://github.com/x2es/bt-dualboot"
-license=('GPL3')
-provides=('bt-dualboot')
-conflicts=('bt-dualboot')
-makedepends=('git' 'python-installer' 'python-wheel')
-depends=(
-   'python'
-    'chntpw'
-)
-source=('https://files.pythonhosted.org/packages/42/82/c3e1bfca558d8a5f7dd51183ba0f1a3d2061f5442bfa54821398bb3813b8/bt_dualboot-1.0.1-py3-none-any.whl')
-sha256sums=('779ec46a4911a54918b08cf9d80a481697287c3017b38873a0152ca5e0520820')
+license=('GPL-3.0-only')
+makedepends=('git' 'python-installer' 'python-wheel' 'python-build' 'python-poetry')
+depends=('python' 'chntpw')
+source=("git+$url.git#tag=v${pkgver}")
+sha256sums=('d75ea4caf3c77df2d4c8c48a14c915514a4480fea0324275f8322e1ade64247d')
+
+
+build(){
+   cd $pkgname
+   python -m build --wheel --no-isolation
+}

 package() {
-   python -m installer --destdir="$pkgdir" "$_pkgname"-"$pkgver"-py3-none-any.whl
-}
\ No newline at end of file
+   cd $pkgname
+   python -m installer --destdir="$pkgdir" dist/*.whl
+}

I had to rebuild this package recently to fix this error: ModuleNotFoundError: No module named 'bt_dualboot'