mirror of
https://github.com/langbot-app/LangBot.git
synced 2026-09-27 11:56:42 +08:00
RockChinQ
273b1ea3cf
Reconcile migration branches without rewriting published revisions; retain additive Codex, monitoring, provider and platform fixes. Keep dynamic runner schemas and Host ownership, restore compatibility regressions, and preserve safe model-test error handling.
67 lines
2.6 KiB
Python
67 lines
2.6 KiB
Python
"""Reproduce immutable historical ORM DDL snapshots without a database."""
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from __future__ import annotations
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import importlib
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import json
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from pathlib import Path
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import subprocess
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import sys
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import tempfile
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import types
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import sqlalchemy as sa
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from langbot.pkg.utils import constants
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ROOT = Path(__file__).resolve().parents[4]
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OUTPUT = Path(__file__).resolve().parent
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SOURCE = 'src/langbot/pkg/entity/persistence/'
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REFS = {
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'baseline': ('9cd3544d59600fcb88700d05e4b211f59ac00445', '0001_baseline'),
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'master': ('9b7ba0d64708496ace30a82866f6dbc185f089dc', '0024_passkey_credentials'),
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'beta': ('03854b5d33d8b66fec4c86a77714e0e7512a31bd', '0025_bot_plugin_processors'),
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}
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def git(*args: str) -> str:
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return subprocess.check_output(['git', *args], cwd=ROOT, text=True)
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def generate() -> None:
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# Only the baseline module's initial_metadata seed list reads this removed
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# constant. It does not affect any table, column, constraint or generated DDL.
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constants.required_database_version = 25
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for name, (commit, revision) in REFS.items():
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paths = git('ls-tree', '-r', '--name-only', commit, SOURCE).splitlines()
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with tempfile.TemporaryDirectory(prefix='langbot-historical-schema-') as directory:
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package = Path(directory)
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for path in paths:
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if path.endswith('.py'):
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(package / Path(path).name).write_text(git('show', f'{commit}:{path}'))
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# Keep ...utils imports working but give each snapshot its own Base.
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package_name = f'langbot.pkg.entity.historical_{name}'
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module = types.ModuleType(package_name)
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module.__path__ = [directory]
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sys.modules[package_name] = module
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for path in sorted(package.glob('*.py')):
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importlib.import_module(f'{package_name}.{path.stem}')
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metadata = importlib.import_module(f'{package_name}.base').Base.metadata
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dialects = {}
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for dialect in ('sqlite', 'postgresql'):
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statements = []
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engine = sa.create_mock_engine(
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f'{dialect}://',
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lambda sql, *args, **kwargs: statements.append(str(sql.compile(dialect=engine.dialect)).strip()),
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)
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metadata.create_all(engine)
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dialects[dialect] = statements
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payload = {'source_commit': commit, 'source_path': SOURCE, 'revision': revision, 'dialects': dialects}
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(OUTPUT / f'{name}_schema.json').write_text(json.dumps(payload, indent=2) + '\n')
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print(f'{name}: {commit}, {len(metadata.tables)} historical ORM tables')
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if __name__ == '__main__':
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generate()
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