anti
f2b3393669
Replaces LICENSE (GPLv3 -> AGPLv3) and prepends `SPDX-License-Identifier: AGPL-3.0-or-later` to every source file across decnet/, decnet_web/, tests/, scripts/, and tools/. Rationale: closes the GPLv3 ASP loophole so any party operating a modified DECNET as a network service must offer their modified source. Personal copyright (Samuel Paschuan) + inbound=outbound contributions make a future unilateral relicense infeasible. - LICENSE: full AGPL-3.0 text (gnu.org/licenses/agpl-3.0.txt) - COPYRIGHT: project copyright notice - tools/add_spdx_headers.py: idempotent header injector (shebang- and PEP 263-aware) Touches 1565 source files (.py, .ts, .tsx, .js, .jsx, .css, .sh). No behavior change; comments only.
49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""Rule store factory.
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Mirrors :mod:`decnet.ttp.factory` and :mod:`decnet.intel.factory`:
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callers obtain the active store via :func:`get_rule_store` rather than
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instantiating a concrete class. The selected backend is whatever
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``DECNET_TTP_RULE_STORE_TYPE`` resolves to (default ``"filesystem"``).
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Configuration:
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* ``DECNET_TTP_RULE_STORE_TYPE`` — ``"filesystem"`` (Linux-only) or
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``"database"`` (any platform). Unknown values raise
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:class:`ValueError`.
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"""
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from __future__ import annotations
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import os
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from typing import Final
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from decnet.ttp.store.base import RuleStore
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_KNOWN: Final[tuple[str, ...]] = ("filesystem", "database")
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_DEFAULT: Final[str] = "filesystem"
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def get_rule_store() -> RuleStore:
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"""Return the configured rule store instance.
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The filesystem backend imports :mod:`asyncinotify` at construction
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time and refuses to run on non-Linux platforms (per TTP_TAGGING.md
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§"Linux-only worker host"). macOS / Windows developers running the
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test suite set ``DECNET_TTP_RULE_STORE_TYPE=database``.
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"""
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name = os.environ.get(
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"DECNET_TTP_RULE_STORE_TYPE", _DEFAULT,
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).strip().lower()
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if name == "filesystem":
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from decnet.ttp.store.impl.filesystem import FilesystemRuleStore
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return FilesystemRuleStore()
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if name == "database":
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from decnet.ttp.store.impl.database import DatabaseRuleStore
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return DatabaseRuleStore()
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raise ValueError(
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f"Unknown rule store: {name!r}. Known: {_KNOWN}"
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)
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__all__ = ["get_rule_store"]
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