Agent skill

auto-import-rules

Enforces dlt import conventions and ordering. Use when writing or modifying Python imports in dlt/ or tests/.

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/auto-import-rules-thanhhuong0209-dlt-normalization

SKILL.md

Import rules

Import order

Groups separated by blank line:

  1. stdlib (import os, from typing import ...)
  2. third-party (import pendulum, import semver)
  3. local dlt (from dlt.common import ...)
  4. (tests only) test utilities (from tests.utils import ...)
  • Stdlib imports are ALWAYS at module level -- never inline in functions. This includes contextlib, io, warnings, sys, os, re, etc.
  • No relative imports.

Logging

from dlt.common import logger, then logger.info(...) -- never import logging directly (except in logger.py itself or runtime infrastructure).

TYPE_CHECKING imports

  • Optional deps for annotations only: if TYPE_CHECKING: from X import Y with else: Y = Any
  • Destination factories: client class under TYPE_CHECKING, actual import deferred to runtime method

Optional dependencies

When importing pyarrow, pandas, numpy, pydantic, sqlalchemy, ibis, deltalake, pyiceberg: See common-libs.md

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