Consolidate AllowlistManager for prek hooks#69327
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The allowlist load/save/generate/cleanup logic was duplicated across check_new_airflow_exception_usage.py and check_provide_session_kwargs.py. This consolidates the shared pattern into an abstract AllowListManager in common_prek_utils.py, with subclasses providing only iter_files() and count_occurrences().
The initial extraction left the scan/tighten/report loop duplicated in both hook scripts and exposed `parse` as a staticmethod that silently ignored the instance's `repo_root`. - Convert `parse` from `@staticmethod` to instance method so it always uses `self.repo_root` (fixes the latent footgun where `_parse_tracked_allowlist` called parse unbound). - Hoist the check loop into `AllowlistManager.check()` with `violation_panel_text()` (abstract) and `format_violation_details()` (overridable) hooks — both `_check_*` wrappers are now one-liners. - Fix naming: `AllowListManager` → `AllowlistManager` to match the subclass convention used throughout. - Add test coverage for `check_new_airflow_exception_usage.py`.
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sessionon@provide_session#67150Why
AllowlistManageris the common pattern now, we should introduce a common interface the common_prek module so that the further use case can reuse them without duplicating the wholeAllowlistManagerone.Was generative AI tooling used to co-author this PR?
Generated-by: Claude Code (Fable 5) following the guidelines