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kkirsche/generate_alembic_sqlalchemy_slug.py

Created June 21, 2021 18:39
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Generate Alembic Slug
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generate_alembic_sqlalchemy_slug.py
import re
# https://github.com/sqlalchemy/alembic/blob/c97d5b3dd6fde31acb8e9e0c67d0ebc54fa0d809/alembic/script/base.py#L682
_slug_re = re.compile(r"\w+")
truncate_slug_length = 40
def generate_slug(message: str) -> str:
slug = "_".join(_slug_re.findall(message or "")).lower()
if len(slug) > truncate_slug_length:
slug = slug[: truncate_slug_length].rsplit("_", 1)[0] + "_"
return slug
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