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Krzysztof kuhy Rudnicki
62ad1484a6
review.py held three separable concerns. Two move out:
_render.py emptiness, status_line, filename_line, title_line, render --
pure state-to-text, no toolkit and no transitions
_undo.py can_undo, on_undo, forget_last -- correcting the tally and
putting the on-screen video back at the front of the queue
review.py keeps the state transitions and re-exports all eight names through
__all__, so ui.py and test_review.py reach them at review.* exactly as before;
verified by resolving every name in __all__.
Both new modules reference SessionState under TYPE_CHECKING only, so there is
no runtime cycle. Also inlined _worker_message, a single-caller passthrough
that just returned event.message.
review.py 330 -> 196, _render.py 107, _undo.py 74.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011w2Pj4Ek3ZNMQVYcFHgXDY
75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
"""Taking verdicts back.
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Split out of :mod:`python_pkg.wsg_grabber.review` to keep that module under the
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250-line cap. Undo is its own concern: it has to correct the running tally,
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put the video that was on screen back at the front of the queue, and cope with
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a file that has since moved -- none of which the forward path cares about.
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"""
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from __future__ import annotations
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from dataclasses import replace
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from typing import TYPE_CHECKING
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from python_pkg.wsg_grabber.models import Verdict
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if TYPE_CHECKING:
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from python_pkg.wsg_grabber.models import ReviewedItem
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from python_pkg.wsg_grabber.review import SessionState
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def can_undo(state: SessionState) -> bool:
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"""Report whether there is a verdict to take back.
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Args:
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state: Current state.
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Returns:
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bool: True when the index holds at least one reversible verdict.
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"""
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return state.undoable > 0
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def on_undo(state: SessionState, action: ReviewedItem) -> SessionState:
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"""Show a restored video again after its verdict was reversed.
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The video currently on screen goes to the front of the queue, so changing
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your mind never skips anything.
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Args:
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state: Current state.
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action: The verdict that was just reversed on disk and in the index.
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Returns:
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SessionState: Updated state showing the restored video.
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"""
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queue = list(state.pending)
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if state.current is not None:
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queue.insert(0, state.current)
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corrected = (
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replace(state, kept=max(0, state.kept - 1))
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if action.choice is Verdict.KEEP
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else replace(state, passed=max(0, state.passed - 1))
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)
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return replace(
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corrected,
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undoable=max(0, state.undoable - 1),
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pending=tuple(queue),
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current=action.item,
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)
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def forget_last(state: SessionState) -> SessionState:
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"""Drop one verdict from the undo count without reversing it.
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Used when the file is no longer where the verdict left it, so a second
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attempt does not keep failing on the same entry.
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Args:
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state: Current state.
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Returns:
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SessionState: Updated state.
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"""
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return replace(state, undoable=max(0, state.undoable - 1))
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