Jean-Pierre MartineauandClaude Opus 5 d062b5b706 The Windows console call that broke the app is ours alone ...

MeshTerm died building its screen on Windows with a ctypes type error, and on a
double-clicked build the traceback and the window it printed to were destroyed
together — which is why this needed a log file before it could be looked at.

`ctypes.windll.kernel32` is a cache. Every caller in the process receives the same
object and each function on it is a shared attribute, so declaring `.argtypes` is
not configuration, it is a process-wide mutation where the last writer wins. The
emoji-width probe declared `GetConsoleScreenBufferInfo` as taking a pointer to its
own copy of the screen-buffer struct; prompt_toolkit then called that same function
object with a pointer to its own copy — same layout, different class — and ctypes
refused it.

Nothing here reaches for `ctypes.windll` any more. Five call sites take private
handles from `core/win32dll.py`, built by constructing `WinDLL` directly so each
one gets its own function cache and a declaration made for one purpose cannot be
seen by anything else. Each call returns a fresh handle, because two parts of
MeshTerm disagreeing about a signature is the same bug in miniature.

The regression test was checked against the defect rather than assumed to cover
it: with the old line restored it fails, and with the fix it passes. A test that
passes either way would only have recorded that somebody thought about the
problem.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

2026-09-07 15:16:26 -04:00

..

fixtures

Add an interactive braille OpenStreetMap map of mesh nodes

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__init__.py

Every public callable says what it is for

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conftest.py

The annotations, imports, and dead locals answer to ruff

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test_about.py

The tests' docstrings lead with a sentence too

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test_admin_login.py

Every file is spelled the way the formatter spells it

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test_advert.py

The tests' docstrings lead with a sentence too

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test_battery.py

Every file is spelled the way the formatter spells it

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test_ble_pairing.py

Every file is spelled the way the formatter spells it

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test_braillechart.py

Every file is spelled the way the formatter spells it

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test_channel_store.py

Channels: remember MeshTerm-created channels across sessions

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test_channels.py

Every file is spelled the way the formatter spells it

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test_chat.py

Every file is spelled the way the formatter spells it

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test_config_editor.py

Every file is spelled the way the formatter spells it

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test_config.py

The downloadable builds actually have the app in them

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test_connection_channels.py

Rename project from MeshTools to MeshTerm

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test_contact_score.py

Every file is spelled the way the formatter spells it

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test_contact_store.py

Every file is spelled the way the formatter spells it

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test_cooldown.py

Every file is spelled the way the formatter spells it

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test_courier.py

Every file is spelled the way the formatter spells it

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test_dashboard.py

Every file is spelled the way the formatter spells it

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test_device_config.py

Every file is spelled the way the formatter spells it

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test_device_state.py

Every file is spelled the way the formatter spells it

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test_disconnect.py

Every file is spelled the way the formatter spells it

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test_discovery.py

Every file is spelled the way the formatter spells it

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test_emoji_width.py

Every file is spelled the way the formatter spells it

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test_event_hub.py

Every file is spelled the way the formatter spells it

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test_frames.py

Every file is spelled the way the formatter spells it

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test_gallery.py

Every file is spelled the way the formatter spells it

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test_header.py

Every file is spelled the way the formatter spells it

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test_instancelock.py

Two MeshTerms can share a machine, but not a directory

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test_live_screens.py

Every file is spelled the way the formatter spells it

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test_livefeed.py

Every file is spelled the way the formatter spells it

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test_logging.py

The log is a text file that records what went wrong

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test_map.py

Every file is spelled the way the formatter spells it

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test_markdown.py

Every file is spelled the way the formatter spells it

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test_menus.py

Every file is spelled the way the formatter spells it

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test_message_paths_screen.py

Every file is spelled the way the formatter spells it

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test_message_paths.py

Every file is spelled the way the formatter spells it

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test_modifier_watch.py

The tests' docstrings lead with a sentence too

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test_monitor.py

Every file is spelled the way the formatter spells it

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test_navigation.py

Every file is spelled the way the formatter spells it

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test_node_detail.py

Every file is spelled the way the formatter spells it

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test_packet_viewer.py

Every file is spelled the way the formatter spells it

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test_paired_settings.py

Every file is spelled the way the formatter spells it

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test_pathgraph.py

Every file is spelled the way the formatter spells it

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test_pathline.py

Every file is spelled the way the formatter spells it

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test_performance.py

Every file is spelled the way the formatter spells it

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test_picocalc_chrome.py

Every file is spelled the way the formatter spells it

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test_platforms.py

The tests' docstrings lead with a sentence too

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test_preferences.py

Every file is spelled the way the formatter spells it

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test_records_screen.py

Every file is spelled the way the formatter spells it

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test_records.py

Every file is spelled the way the formatter spells it

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test_repeater_admin.py

Every file is spelled the way the formatter spells it

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test_repository.py

Every file is spelled the way the formatter spells it

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test_selection_colour.py

Every file is spelled the way the formatter spells it

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test_session_width.py

Every file is spelled the way the formatter spells it

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test_settings_offer.py

Every file is spelled the way the formatter spells it

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test_settings_store.py

The presets are MeshCore's, not ours

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test_skeleton.py

Every file is spelled the way the formatter spells it

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test_surface.py

Every file is spelled the way the formatter spells it

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test_termfont.py

Every file is spelled the way the formatter spells it

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test_theme16.py

Every file is spelled the way the formatter spells it

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test_timemachine.py

Every file is spelled the way the formatter spells it

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test_topology.py

Every file is spelled the way the formatter spells it

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test_tui.py

Every file is spelled the way the formatter spells it

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test_walk.py

Every file is spelled the way the formatter spells it

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test_watchtower.py

Every file is spelled the way the formatter spells it

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test_widgets.py

Every file is spelled the way the formatter spells it

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test_win32dll.py

The Windows console call that broke the app is ours alone

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