mirror of
https://github.com/kuhyx/diet-guard.git
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Krzysztof kuhy Rudnicki
e8f0ecaae1
Sixth batch of the 250-line sweep. All six gate sources named for this batch are now under cap, plus _gate_layout_probe.py, which this batch's import rewiring pulled into the changeset (over-cap count 38 -> 31). _gatelock_ui.py 477 -> 174 (palette/leaf-helper hub) _gate_layout_probe.py 346 -> 196 _gatelock_groups.py 308 -> 137 _gatelock_calendar_ui 295 -> 77 _gatelock_calendar.py 286 -> 210 _gatelock.py 263 -> 238 _gatelock_mealflow.py 259 -> 207 New siblings: _gatelock_fields (input widgets), _gatelock_layout (assembly), _gatelock_widgetgroups (per-widget mirroring), _gatelock_calendar_types (bundles/palette), _gatelock_calendar_widgets (History builders), _gatelock_dashboard and _gatelock_budgetedit (mixins), _gatelock_lockfile (the stdlib-only flock), _gate_focus_probe and _gate_measurement. The load-bearing part is the test seam, not the line counts. `_gate_fixtures._GATE_TK_MODULES` patches `tk` on a hand-listed tuple, and that list fails OPEN: a widget builder split into a new sibling that nobody adds to it builds *real* Tk widgets against fake parents. Neither existing detector sees that -- check_patch_targets.py only validates paths that still resolve, and the ~8s runtime only catches network calls. It bit twice during this split (real StringVars from make_calendar_vars returned MagicMocks instead of the asserted text), so test_gate_tk_modules.py now asserts the invariant directly: every module binding `tk` is in the patch set or named in _NO_WIDGETS with a reason. It caught a pre-existing gap too -- _gatelock_support was never in the set. Same fail-open shape drove two other choices: `escape_tab_trap` is a call-time indirection so the keyboard test's patch of `_escape_text_tab_trap` still bites, and the flock pair moved with its conftest patch target updated in the same edit (that one fails closed). build_layout is imported from _gatelock_layout directly rather than re-exported lazily, which avoids both a cycle and an import-outside-toplevel suppression. Verified: 703 Python tests / 100% branch coverage, the 5 layout-fits tests under xvfb, 555 Flutter tests (unchanged), flutter analyze clean, check_patch_targets 0, `sync` 0 (403 entries), pre-commit clean, and `gate --demo` renders both tabs with live dashboard data. ~/.local/share/diet_guard byte-identical across the batch (gate timer paused, restored after). Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01RA9ynjqXPnexRQnR5oAuCC
71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
"""The result type shared by the gate's layout and focus probes.
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Split out of :mod:`._gate_layout_probe` so that module and
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:mod:`._gate_focus_probe` can both import it without a cycle, and so each
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file stays under the repo's 250-line limit.
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Test support, not a test: it lives under ``tests/`` rather than in the
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package, so its diagnostic-only branches are not held to the package's
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100%-coverage bar.
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"""
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from __future__ import annotations
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from dataclasses import dataclass
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@dataclass(frozen=True)
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class Measurement:
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"""One layout measurement against one screen size."""
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screen_w: int
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screen_h: int
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content_span: int
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viewport_h: int
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scrolls_by_keyboard: bool
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last_widget_visible_after_focus: bool
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has_scroll_viewport: bool = True
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@property
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def needs_scroll(self) -> bool:
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"""Whether the content is taller than the viewport."""
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return self.content_span > self.viewport_h
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@property
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def reachable(self) -> bool:
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"""Whether every part of the content can be reached by keyboard.
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Content that fits is trivially reachable. Content that overflows must
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scroll by keyboard *and* bring a focused below-the-fold widget into
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view.
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Deliberately not asserted: that focusing always *moves* the view. When
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the overflow is small the deepest widget is already visible, and then
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holding still is the correct behaviour -- the invariant is "the focused
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widget is visible", not "the viewport scrolled".
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"""
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if not self.needs_scroll:
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return True
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return self.scrolls_by_keyboard and self.last_widget_visible_after_focus
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def describe(self) -> str:
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"""Return a one-line human-readable summary."""
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fit = (
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f"needs scroll (+{self.content_span - self.viewport_h}px)"
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if self.needs_scroll
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else "fits"
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)
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verdict = "REACHABLE" if self.reachable else "UNREACHABLE CONTENT"
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viewport = (
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"scroll viewport present"
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if self.has_scroll_viewport
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else "NO SCROLL VIEWPORT -- overflow is clipped, not scrolled"
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)
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return (
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f"{self.screen_w}x{self.screen_h}: "
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f"content {self.content_span} in viewport {self.viewport_h} "
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f"-> {fit}; {viewport}; keys={self.scrolls_by_keyboard} "
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f"last_visible={self.last_widget_visible_after_focus} "
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f"-> {verdict}"
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)
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