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Krzysztof kuhy Rudnicki
6d80efb50a
Fail-closed: a failing source logs and adds 0 minutes; a bad key, ledger or registry exits 1. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01WzxdWYcmik6APnHfc9gEVy
68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
# Copyright (c) 2026 Krzysztof Rudnicki
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"""Adapter for accepted LeetCode submissions (leetcode-guard's ledger).
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Read-only. Each accepted submission (``ac:<id>`` credit row, HMAC verified)
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is a heartbeat at ``detail.submitted_at``, so it covers the five minutes
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before it. The window is deliberately NOT longer: the time spent reading and
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thinking on the site is the browser adapter's to count, and a submission
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alone proves only that work happened, not for how long. Applies only to a
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project whose ``site_patterns`` name leetcode; any other project is not
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LeetCode practice. No readable signing key: contributes nothing (logged).
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"""
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from __future__ import annotations
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import logging
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import os
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from pathlib import Path
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from typing import TYPE_CHECKING
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import earned_time
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from focus_project import ledger
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from focus_project.sources import Interval, heartbeat_interval
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if TYPE_CHECKING:
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from datetime import date
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from focus_project._model import Project
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LEDGER_ENV = "FOCUS_PROJECT_LEETCODE_LEDGER"
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_LOG = logging.getLogger(__name__)
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def ledger_file() -> Path:
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"""leetcode-guard's ledger, or the test override."""
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override = os.environ.get(LEDGER_ENV)
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if override:
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return Path(override)
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return Path.home() / ".local" / "share" / "leetcode_guard" / "ledger.json"
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def _submitted_at(row: object, key: bytes) -> float | None:
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"""The submission time of a verified accepted-submission row, else None."""
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if not (
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isinstance(row, dict)
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and row.get("kind") == "credit"
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and str(row.get("entry_id", "")).startswith("ac:")
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and earned_time.verified(row, key)
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):
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return None
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detail = row.get("detail")
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try:
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return float(detail["submitted_at"]) # type: ignore[index]
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except KeyError, TypeError, ValueError:
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return None
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def intervals(day: date, project: Project) -> list[Interval]: # noqa: ARG001
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"""One heartbeat per accepted submission (the registry clips to the day)."""
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if not any("leetcode" in pattern.lower() for pattern in project.site_patterns):
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return []
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key = ledger.read_key()
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if key is None:
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_LOG.warning("leetcode source: no signing key, contributes 0")
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return []
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stamps = (_submitted_at(row, key) for row in ledger.read_rows(ledger_file()))
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return [heartbeat_interval(ts) for ts in stamps if ts is not None]
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