ModuleNotFoundError: No module named 'gi'

[K0-RR]

Running on Ubuntu 22.04

Traceback (most recent call last):
  File "/home/nacia/waypanel/waypanel-env/bin/waypanel", line 5, in <module>
    from waypanel.main import Panel
  File "/home/nacia/waypanel/waypanel-env/lib/python3.10/site-packages/waypanel/main.py", line 6, in <module>
    import gi
ModuleNotFoundError: No module named 'gi'

[K0-RR]

Just tested on Arch via distrobox and got the same error.

[killown]

can you sudo pacman -S python-gobject or pip install PyGObject

[K0-RR]

Attempt nr 2, on a new system

❯ waypanel
Setting up logging...
[05/17/25 23:30:38] INFO     {'event': 'Starting Waypanel initialization', 'level': 'info', 'logger': 'WaypanelLogger', 'timestamp': '2025-05-17T21:30:38.259573Z'}
                    INFO     {'event': 'gtk4-layer-shell not found. Installing...', 'level': 'info', 'logger': 'WaypanelLogger', 'timestamp':
                             '2025-05-17T21:30:38.262482Z'}
                    INFO     {'event': 'Cloning repository: https://github.com/wmww/gtk4-layer-shell.git', 'level': 'info', 'logger': 'WaypanelLogger', 'timestamp':
                             '2025-05-17T21:30:38.268475Z'}
Cloning into '~/.cache/gtk4-layer-shell'...
remote: Enumerating objects: 4339, done.
remote: Counting objects: 100% (199/199), done.
remote: Compressing objects: 100% (101/101), done.
remote: Total 4339 (delta 128), reused 134 (delta 96), pack-reused 4140 (from 1)
Receiving objects: 100% (4339/4339), 822.34 KiB | 3.38 MiB/s, done.
Resolving deltas: 100% (2957/2957), done.
[05/17/25 23:30:39] INFO     {'event': 'Configuring build with Meson...', 'level': 'info', 'logger': 'WaypanelLogger', 'timestamp': '2025-05-17T21:30:39.247762Z'}
The Meson build system
Version: 1.8.0
Source dir: /home/k0rr/~/.cache/gtk4-layer-shell
Build dir: /home/k0rr/~/.cache/gtk4-layer-shell/build
Build type: native build
Project name: gtk4-layer-shell
Project version: 1.1.1
C compiler for the host machine: cc (gcc 15.1.1 "cc (GCC) 15.1.1 20250425")
C linker for the host machine: cc ld.bfd 2.44.0
Host machine cpu family: x86_64
Host machine cpu: x86_64
Found pkg-config: YES (/usr/bin/pkg-config) 2.4.3
Run-time dependency glib-2.0 found: YES 2.84.1
Run-time dependency gtk4 found: YES 4.18.5
Run-time dependency wayland-client found: YES 1.23.1
Run-time dependency wayland-server found: YES 1.23.1
Build-time dependency wayland-scanner found: YES 1.23.1
Run-time dependency wayland-protocols found: YES 1.44
Program /usr/bin/wayland-scanner found: YES (/usr/bin/wayland-scanner)
Run-time dependency gobject-introspection-1.0 found: YES 1.84.0
Dependency gobject-introspection-1.0 found: YES 1.84.0 (cached)
Program /usr/bin/g-ir-scanner found: YES (/usr/bin/g-ir-scanner)
Dependency gobject-introspection-1.0 found: YES 1.84.0 (cached)
Program /usr/bin/g-ir-compiler found: YES (/usr/bin/g-ir-compiler)
Program vapigen found: NO

src/meson.build:67:21: ERROR: Program 'vapigen' not found or not executable

A full log can be found at /home/k0rr/~/.cache/gtk4-layer-shell/build/meson-logs/meson-log.txt
[05/17/25 23:30:40] ERROR    {'event': "Installation failed: Command '['meson', 'setup', '--prefix=/home/k0rr/.local/lib/gtk4-layer-shell', '-Dexamples=true',
                             '-Ddocs=true', '-Dtests=true', 'build']' returned non-zero exit status 1.", 'level': 'error', 'logger': 'WaypanelLogger', 'timestamp':
                             '2025-05-17T21:30:40.279337Z', 'exception': 'Traceback (most recent call last):\n  File "/usr/lib/waypanel/main.py", line 280, in
                             layer_shell_check\n    subprocess.run(\n    ~~~~~~~~~~~~~~^\n        [\n        ^\n    ...<8 lines>...\n        check=True,\n
                             ^^^^^^^^^^^\n    )\n    ^\n  File "/usr/lib/python3.13/subprocess.py", line 577, in run\n    raise CalledProcessError(retcode,
                             process.args,\n                             output=stdout, stderr=stderr)\nsubprocess.CalledProcessError: Command \'[\'meson\', \'setup\',
                             \'--prefix=/home/k0rr/.local/lib/gtk4-layer-shell\', \'-Dexamples=true\', \'-Ddocs=true\', \'-Dtests=true\', \'build\']\' returned non-zero
                             exit status 1.'}
                    CRITICAL {'event': "Fatal error: Command '['meson', 'setup', '--prefix=/home/k0rr/.local/lib/gtk4-layer-shell', '-Dexamples=true', '-Ddocs=true',
                             '-Dtests=true', 'build']' returned non-zero exit status 1.", 'level': 'critical', 'logger': 'WaypanelLogger', 'timestamp':
                             '2025-05-17T21:30:40.283863Z', 'exception': 'Traceback (most recent call last):\n  File "/usr/lib/waypanel/main.py", line 478, in main\n
                             layer_shell_check()\n    ~~~~~~~~~~~~~~~~~^^\n  File "/usr/lib/waypanel/main.py", line 280, in layer_shell_check\n    subprocess.run(\n
                             ~~~~~~~~~~~~~~^\n        [\n        ^\n    ...<8 lines>...\n        check=True,\n        ^^^^^^^^^^^\n    )\n    ^\n  File
                             "/usr/lib/python3.13/subprocess.py", line 577, in run\n    raise CalledProcessError(retcode, process.args,\n
                             output=stdout, stderr=stderr)\nsubprocess.CalledProcessError: Command \'[\'meson\', \'setup\',
                             \'--prefix=/home/k0rr/.local/lib/gtk4-layer-shell\', \'-Dexamples=true\', \'-Ddocs=true\', \'-Dtests=true\', \'build\']\' returned non-zero
                             exit status 1.'}
                    INFO     {'event': 'Cleaning up resources before restart...', 'level': 'info', 'logger': 'WaypanelLogger', 'timestamp':
                             '2025-05-17T21:30:40.287853Z'}
                    ERROR    Uncaught exception
                             ╭─────────────────────────────────────────────────── Traceback (most recent call last) ────────────────────────────────────────────────────╮
                             │ /usr/lib/waypanel/main.py:498 in <module>                                                                                                │
                             │                                                                                                                                          │
                             │   495                                                                                                                                    │
                             │   496                                                                                                                                    │
                             │   497 if __name__ == "__main__":                                                                                                         │
                             │ ❱ 498 │   main()                                                                                                                         │
                             │   499                                                                                                                                    │
                             │                                                                                                                                          │
                             │ /usr/lib/waypanel/main.py:478 in main                                                                                                    │
                             │                                                                                                                                          │
                             │   475 │   │   │   config_observer = start_config_watcher()                                                                               │
                             │   476 │   │   if os.getenv("WAYFIRE_SOCKET"):                                                                                            │
                             │   477 │   │   │   verify_required_wayfire_plugins()                                                                                      │
                             │ ❱ 478 │   │   layer_shell_check()                                                                                                        │
                             │   479 │   │   check_config_path()                                                                                                        │
                             │   480 │   │   ipc_server = start_ipc_server(logger)                                                                                      │
                             │   481                                                                                                                                    │
                             │                                                                                                                                          │
                             │ /usr/lib/waypanel/main.py:280 in layer_shell_check                                                                                       │
                             │                                                                                                                                          │
                             │   277 │   │                                                                                                                              │
                             │   278 │   │   os.chdir(temp_dir)                                                                                                         │
                             │   279 │   │   logger.info("Configuring build with Meson...")                                                                             │
                             │ ❱ 280 │   │   subprocess.run(                                                                                                            │
                             │   281 │   │   │   [                                                                                                                      │
                             │   282 │   │   │   │   "meson",                                                                                                           │
                             │   283 │   │   │   │   "setup",                                                                                                           │
                             │                                                                                                                                          │
                             │ /usr/lib/python3.13/subprocess.py:577 in run                                                                                             │
                             │                                                                                                                                          │
                             │    574 │   │   │   raise                                                                                                                 │
                             │    575 │   │   retcode = process.poll()                                                                                                  │
                             │    576 │   │   if check and retcode:                                                                                                     │
                             │ ❱  577 │   │   │   raise CalledProcessError(retcode, process.args,                                                                       │
                             │    578 │   │   │   │   │   │   │   │   │    output=stdout, stderr=stderr)                                                                │
                             │    579 │   return CompletedProcess(process.args, retcode, stdout, stderr)                                                                │
                             │    580                                                                                                                                   │
                             ╰──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
                             CalledProcessError: Command '['meson', 'setup', '--prefix=/home/k0rr/.local/lib/gtk4-layer-shell', '-Dexamples=true', '-Ddocs=true',
                             '-Dtests=true', 'build']' returned non-zero exit status 1.

[killown]

src/meson.build:67:21: ERROR: Program 'vapigen' not found or not executable <- this indicates you don't have vala installed

did you install the deps? if your new system is archlinux, you can try from aur: yay -Ss waypanel-git