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9f49c0413f
* Added full support for the Bot API 9.6 * Add support for `managed_bot` updates * Set `description_parse_mode` default to `"parse_mode"` and use `DateTime` for `addition_date` in `PollOption` * Update changelog with features and changes from Bot API 9.6 * Add changelog fragment generator and update poll parameter descriptions
44 lines
1.9 KiB
Markdown
44 lines
1.9 KiB
Markdown
# Bot API Codegen Workflow
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## How code generation works
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aiogram uses `butcher` (via `aiogram-cli`) to auto-generate Python files from the Telegram Bot API schema.
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### Source of truth
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- `.butcher/schema/schema.json` — full parsed Bot API schema
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- `.butcher/types/<TypeName>/entity.json` — parsed entity metadata (DO NOT edit)
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- `.butcher/methods/<MethodName>/entity.json` — parsed method metadata (DO NOT edit)
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- `.butcher/enums/<EnumName>/entity.json` — parsed enum metadata (DO NOT edit)
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- `.butcher/templates/` — Jinja2 templates that produce Python code
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- YAML alias/override files in `.butcher/types/`, `.butcher/methods/` — edit these for customizations
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### Generated files (DO NOT hand-edit)
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- `aiogram/types/*.py` (except `base.py`, `custom.py`, `_union.py` — framework internals)
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- `aiogram/methods/*.py` (except `base.py`)
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- `aiogram/enums/*.py`
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- `aiogram/client/bot.py` (the `Bot` class shortcuts)
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- `aiogram/types/__init__.py`, `aiogram/methods/__init__.py`
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### Regeneration commands
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```bash
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uv run --extra cli butcher parse # re-parse from API schema
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uv run --extra cli butcher refresh # refresh entity JSON from parsed schema
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uv run --extra cli butcher apply all # apply templates → generate Python files
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```
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### Adding a new type/method/shortcut
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1. Update the `.butcher` YAML alias/config file for the entity
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2. Run regeneration (parse → refresh → apply)
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3. Run lint + mypy + tests
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4. Commit both the `.butcher` config changes AND the generated Python files
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### API version bumps (maintainers)
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```bash
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make update-api args=patch # or minor/major
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```
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This runs butcher parse/refresh/apply + version bump scripts that update:
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- `aiogram/__meta__.py`
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- `README.rst`
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- `docs/index.rst`
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## Key constraint
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The maintainers enforce: **never add types/methods/shortcuts by hand-editing generated files**. All changes must go through `.butcher` config so future regenerations preserve them.
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