claude
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Each lab now stands on its own; no hard dependency on prior labs. - App-based labs get a canonical tasks-app snapshot in lab/start/ (three baselines: v0 add/list/done; v1 +count; v2 +count/delete), assigned by where each module sits in the command timeline. Modules with a purpose-built app (M10 trap, M13 planted bug, M21) snapshot their own app; planted devices kept. - Self-contained labs (M15/17/18/19/22/23/24/25/27, which operate on their own lab files) get a preamble pointing at modules/NN/lab/. - Every module + capstone gets a "Starting point (skip-friendly)" preamble: copy the snapshot, git init -b main, commit -> clean status, then start. Lets a learner skip around or recover: copy start/, commit, go. All snapshots run; tools/check.sh passes; no em-dashes. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TfzV5QvtPDz8LJS3Pu5VLT
40 lines
1017 B
Python
40 lines
1017 B
Python
"""Core task logic for the demo app.
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Deliberately small and deliberately split across two files (this and cli.py) so that the
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copy-paste workflow has more than one place to go wrong. This is the running example used in
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Modules 1 and 2.
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"""
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from dataclasses import dataclass, field
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@dataclass
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class Task:
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title: str
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done: bool = False
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@dataclass
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class TaskList:
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tasks: list[Task] = field(default_factory=list)
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def add(self, title: str) -> Task:
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task = Task(title=title)
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self.tasks.append(task)
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return task
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def complete(self, index: int) -> None:
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self.tasks[index].done = True
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def pending(self) -> list[Task]:
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return [t for t in self.tasks if not t.done]
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def render(self) -> str:
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if not self.tasks:
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return "(no tasks yet)"
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lines = []
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for i, task in enumerate(self.tasks):
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box = "[x]" if task.done else "[ ]"
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lines.append(f"{i}. {box} {task.title}")
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return "\n".join(lines)
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