René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"mewnala: GLFW Error: Wayland: Platform not initialized","articleBody":"Hi,\n\nThis simple sketch:\n\n```python\n# sketch.py\nfrom mewnala import run, size\n\n\ndef setup():\n    size(500, 500)\n\n\ndef draw():\n    pass\n\n\nrun()\n```\n\nProduces:\n\n```\nmewnala-test on  main [?] is 📦 v0.1.0 via 🐍 v3.12.3 took 2s \n❯ uv run sketch.py \n2026-04-23T10:25:50.807136Z  WARN bevy_asset::io::source: Skip creating file watcher because path \"/home/joseph.henry/.local/share/uv/python/cpython-3.14.0-linux-x86_64-gnu/bin/assets\" does not exist.\n2026-04-23T10:25:50.807162Z  WARN bevy_asset::io::source: AssetSourceId::Default does not have an AssetWatcher configured. Consider adding an \"assets\" directory.\n2026-04-23T10:25:50.903768Z  INFO bevy_render::renderer: AdapterInfo { name: \"NVIDIA GeForce RTX 4070 Ti SUPER\", vendor: 4318, device: 9989, device_type: DiscreteGpu, device_pci_bus_id: \"0000:08:00.0\", driver: \"NVIDIA\", driver_info: \"570.211.01\", backend: Vulkan, subgroup_min_size: 32, subgroup_max_size: 32, transient_saves_memory: false }\nALSA lib dlmisc.c:339:(snd_dlobj_cache_get0) Cannot open shared library libasound_module_pcm_pipewire.so (/usr/lib64/alsa-lib/libasound_module_pcm_pipewire.so: cannot open shared object file: No such file or directory)\nALSA lib dlmisc.c:339:(snd_dlobj_cache_get0) Cannot open shared library libasound_module_pcm_jack.so (/usr/lib64/alsa-lib/libasound_module_pcm_jack.so: cannot open shared object file: No such file or directory)\nALSA lib dlmisc.c:339:(snd_dlobj_cache_get0) Cannot open shared library libasound_module_pcm_oss.so (/usr/lib64/alsa-lib/libasound_module_pcm_oss.so: cannot open shared object file: No such file or directory)\nALSA lib dlmisc.c:339:(snd_dlobj_cache_get0) Cannot open shared library libasound_module_pcm_pipewire.so (/usr/lib64/alsa-lib/libasound_module_pcm_pipewire.so: cannot open shared object file: No such file or directory)\nALSA lib dlmisc.c:339:(snd_dlobj_cache_get0) Cannot open shared library libasound_module_pcm_pulse.so (/usr/lib64/alsa-lib/libasound_module_pcm_pulse.so: cannot open shared object file: No such file or directory)\nALSA lib dlmisc.c:339:(snd_dlobj_cache_get0) Cannot open shared library libasound_module_pcm_speex.so (/usr/lib64/alsa-lib/libasound_module_pcm_speex.so: cannot open shared object file: No such file or directory)\nALSA lib dlmisc.c:339:(snd_dlobj_cache_get0) Cannot open shared library libasound_module_pcm_upmix.so (/usr/lib64/alsa-lib/libasound_module_pcm_upmix.so: cannot open shared object file: No such file or directory)\nALSA lib dlmisc.c:339:(snd_dlobj_cache_get0) Cannot open shared library libasound_module_pcm_vdownmix.so (/usr/lib64/alsa-lib/libasound_module_pcm_vdownmix.so: cannot open shared object file: No such file or directory)\nALSA lib dlmisc.c:339:(snd_dlobj_cache_get0) Cannot open shared library libasound_module_pcm_pipewire.so (/usr/lib64/alsa-lib/libasound_module_pcm_pipewire.so: cannot open shared object file: No such file or directory)\n2026-04-23T10:25:51.326032Z ERROR bevy_asset: AssetSourceId::Name(assets_directory) must be registered before `AssetPlugin` (typically added as part of `DefaultPlugins`)\n2026-04-23T10:25:51.326053Z ERROR bevy_asset: AssetSourceId::Name(sketch_directory) must be registered before `AssetPlugin` (typically added as part of `DefaultPlugins`)\n2026-04-23T10:25:51.337601Z  INFO bevy_pbr::cluster: GPU clustering is supported on this device.\n2026-04-23T10:25:51.337628Z  INFO bevy_render::batching::gpu_preprocessing: GPU preprocessing is fully supported on this device.\n2026-04-23T10:25:51.338169Z ERROR bevy_asset::server: Asset Source 'AssetSourceId::Name(sketch_directory)' does not exist\n\nthread '\u003cunnamed\u003e' (3181393) panicked at /root/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/glfw-0.60.0/src/lib.rs:643:5:\nGLFW Error: Wayland: Platform not initialized\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\n\nthread '\u003cunnamed\u003e' (3181393) panicked at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/panicking.rs:225:5:\npanic in a function that cannot unwind\nstack backtrace:\n   0:     0x74ac153e35fa - \u003c\u003cstd[e28293b1aa0f68bd]::sys::backtrace::BacktraceLock\u003e::print::DisplayBacktrace as core[c1f1a4ba060b9bfa]::fmt::Display\u003e::fmt\n   1:     0x74ac153fcd2a - core[c1f1a4ba060b9bfa]::fmt::write\n   2:     0x74ac153e90e2 - \u003cstd[e28293b1aa0f68bd]::sys::stdio::unix::Stderr as std[e28293b1aa0f68bd]::io::Write\u003e::write_fmt\n   3:     0x74ac153bfc8f - std[e28293b1aa0f68bd]::panicking::default_hook::{closure#0}\n   4:     0x74ac153d9c71 - std[e28293b1aa0f68bd]::panicking::default_hook\n   5:     0x74ac153d9f22 - std[e28293b1aa0f68bd]::panicking::panic_with_hook\n   6:     0x74ac153bfd7a - std[e28293b1aa0f68bd]::panicking::panic_handler::{closure#0}\n   7:     0x74ac153b6e99 - std[e28293b1aa0f68bd]::sys::backtrace::__rust_end_short_backtrace::\u003cstd[e28293b1aa0f68bd]::panicking::panic_handler::{closure#0}, !\u003e\n   8:     0x74ac153c0d2d - __rustc[b7974e8690430dd9]::rust_begin_unwind\n   9:     0x74ac153fd46d - core[c1f1a4ba060b9bfa]::panicking::panic_nounwind_fmt\n  10:     0x74ac153fd3eb - core[c1f1a4ba060b9bfa]::panicking::panic_nounwind\n  11:     0x74ac153fd577 - core[c1f1a4ba060b9bfa]::panicking::panic_cannot_unwind\n  12:     0x74ac11397dde - glfw::callbacks::error::callback::hb80b58d9cc0a1a3c\n  13:     0x74ac16189e99 - \u003cunknown\u003e\n  14:     0x74ac161a6fb3 - glfwGetWaylandWindow\n  15:     0x74ac11387c43 - processing_glfw::GlfwContext::create_surface::h096c75f890ac6f5f\n  16:     0x74ac1130b570 - mewnala::graphics::Graphics::new::h5851dc24be0e64e5\n  17:     0x74ac11314eb0 - mewnala::mewnala::__pyfunction_size::h66e102dad801e98c\n  18:     0x74ac11359fc2 - pyo3::impl_::trampoline::trampoline::h69b0d71d432a38db\n  19:     0x74ac1135f0b0 - pyo3::impl_::trampoline::fastcall_cfunction_with_keywords::hcadc209331cacf12\n  20:          0x1a753a8 - _TAIL_CALL_CALL.llvm.10772277920457571105\n  21:          0x1a15414 - _PyFunction_Vectorcall\n  22:          0x1a3fa46 - _PyObject_VectorcallTstate.llvm.1641162504222940260\n  23:     0x74ac11312ee6 - mewnala::mewnala::__pyfunction_run::hb82fbffbecd4a5b0\n  24:     0x74ac1135a0c9 - pyo3::impl_::trampoline::trampoline::h6bc5f6d88b52d23a\n  25:     0x74ac11360a40 - pyo3::impl_::trampoline::noargs::h76df077edcb65ff3\n  26:          0x1a753a8 - _TAIL_CALL_CALL.llvm.10772277920457571105\n  27:          0x1a80de1 - _PyEval_Vector\n  28:          0x1a80af1 - PyEval_EvalCode\n  29:          0x1ac1f22 - run_mod.llvm.9708536742669578975\n  30:          0x1c05ac7 - pyrun_file\n  31:          0x1c04ee3 - _PyRun_SimpleFileObject\n  32:          0x1c04910 - _PyRun_AnyFileObject\n  33:          0x1c048b6 - pymain_run_file_obj\n  34:          0x1c047b0 - pymain_run_file\n  35:          0x1bc6d3c - Py_RunMain\n  36:          0x1bc4ccd - pymain_main.llvm.12570717782130119092\n  37:          0x1bc4ac5 - main\n  38:     0x74ac1622a1ca - __libc_start_call_main\n                               at ./csu/../sysdeps/nptl/libc_start_call_main.h:58:16\n  39:     0x74ac1622a28b - __libc_start_main_impl\n                               at ./csu/../csu/libc-start.c:360:3\n  40:          0x1bed529 - _start\n  41:                0x0 - \u003cunknown\u003e\nthread caused non-unwinding panic. aborting.\n```\n\nOther linked issues: https://github.com/processing/libprocessing/issues/101\n\nSystem information: \n- OS: Linux Mint 22 x86_64\n- Kernel: 6.8.0-106-generic\n- Python: 3.12.3\n- GPU: NVIDIA GeForce RTX 4070 Ti SUPER","author":{"url":"https://github.com/johhnry","@type":"Person","name":"johhnry"},"datePublished":"2026-04-23T10:29:10.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":11},"url":"https://github.com/130/libprocessing/issues/130"}