user_pick_point / user_select answer {cancelled: true} on ESC (DISP_E_EXCEPTION)
and {timed_out: true} past COM_CALL_TIMEOUT; preferences_set refuses read-only,
unknown and out-of-range keys before any ActiveX call.
The read-only key is Files.PrinterStyleSheetPath, not the spec's
PrintStyleSheetPath: IAcadPreferencesFiles has no member of that name
(measured live on AutoCAD 2026 / R25.1), and a misspelt key would make
preferences_get() raise on every live call.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FKFStjEFzpGyLq5bMpWxTd
24 lines
667 B
Python
24 lines
667 B
Python
"""Environment helpers (v1.6 track E): portable layer states, view and UCS
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argument resolution, the preference whitelist. Pure data and validation — no
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ezdxf, no COM."""
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from .layer_states import ( # noqa: F401
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DICT_NAME,
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PROPERTIES,
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decode_state,
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diff_snapshot,
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encode_state,
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snapshot_from_layers,
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validate_properties,
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validate_state_name,
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)
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from .names import validate_name # noqa: F401
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from .preferences import ( # noqa: F401
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PREFERENCE_KEYS,
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READ_ONLY_KEYS,
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describe_preferences,
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validate_preference,
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)
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from .ucs import WORLD, resolve_ucs_axes # noqa: F401
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from .views import resolve_view_args # noqa: F401
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