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xiaoxia-saas/scripts/ci/check_migration_naming.py
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chore(ci): 升级migration验证,新增4项检查 (#451)
#451 数据库迁移检查升级

新增5项完整检查:
1. 命名规范检查(文件名格式/编号连续/revision一致性)
2. 链完整性检查(revision/down_revision链)
3. upgrade head(原有逻辑)
4. downgrade -1 + re-upgrade(双向一致性)
5. alembic check(未生成migration的model变更检测,警告模式)
2026-07-25 09:43:26 +08:00

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#!/usr/bin/env python3
"""
检查 Alembic migration 文件命名规范。
规则:
1. 文件名必须以数字前缀开头(3位补零),如 001_xxx.py、052_add_table.py
2. 数字前缀必须连续递增(与 check_migration_chain.py 一致,但只看文件名)
3. 数字前缀后必须跟有描述性后缀(不能只有数字)
4. 文件名使用小写+下划线(snake_case)
5. revision 变量值必须与文件名数字前缀一致(可选带描述后缀)
用法:
python3 scripts/ci/check_migration_naming.py [alembic_versions_dir]
默认目录: alembic/versions/
退出码:
0 - 全部通过
1 - 有命名违规
"""
from __future__ import annotations
import re
import sys
from pathlib import Path
# 文件名格式: 3位数字_描述.py
FILE_NAME_PATTERN = re.compile(r"^(\d{3})_[a-z][a-z0-9_]*\.py$")
# 纯数字文件名(不允许)
PURE_NUM_PATTERN = re.compile(r"^\d{3}\.py$")
# revision 值的数字前缀
REV_NUM_PATTERN = re.compile(r"^(\d{3})")
# revision 变量行
REV_LINE_PATTERN = re.compile(
r'^\s*revision\s*(?::\s*str\s*)?=\s*["\']([^"\']+)["\']',
re.MULTILINE,
)
def check_naming(versions_dir: Path) -> list[str]:
"""检查 migration 文件命名,返回错误列表。"""
errors: list[str] = []
if not versions_dir.is_dir():
return [f"目录不存在: {versions_dir}"]
py_files = sorted(f for f in versions_dir.iterdir() if f.suffix == ".py")
if not py_files:
return [f"目录下没有 migration 文件: {versions_dir}"]
print(f"检查 migration 文件命名: {versions_dir}")
print(f"共 {len(py_files)} 个文件")
print()
# 1. 文件名格式检查
print("1. 文件名格式检查...")
file_nums: list[int] = []
for f in py_files:
name = f.name
if PURE_NUM_PATTERN.match(name):
errors.append(f" ❌ {name}: 只有数字编号,缺少描述性后缀")
continue
m = FILE_NAME_PATTERN.match(name)
if not m:
errors.append(f" ❌ {name}: 命名格式不规范,应为 NNN_description.py " f"(3位数字前缀+下划线+小写描述)")
continue
file_nums.append(int(m.group(1)))
if not any("命名格式不规范" in e or "缺少描述性后缀" in e for e in errors):
print(f" ✅ 全部 {len(py_files)} 个文件名格式正确")
else:
for e in errors:
if "命名格式不规范" in e or "缺少描述性后缀" in e:
print(e)
# 2. 编号连续性检查(基于文件名数字前缀)
print()
print("2. 编号连续性检查...")
if file_nums:
expected = set(range(min(file_nums), max(file_nums) + 1))
actual = set(file_nums)
missing = sorted(expected - actual)
if missing:
errors.append(f" ❌ 编号不连续,缺少: {', '.join(f'{n:03d}' for n in missing)}")
print(f" ❌ 编号不连续,缺少 {len(missing)} 个: " f"{', '.join(f'{n:03d}' for n in missing)}")
else:
print(f" ✅ 编号连续({min(file_nums):03d} ~ {max(file_nums):03d})")
# 3. revision 变量与文件名前缀一致性检查
print()
print("3. revision变量与文件名一致性检查...")
rev_mismatch = 0
for f in py_files:
m = FILE_NAME_PATTERN.match(f.name)
if not m:
continue # 格式不对的已经报过了
file_num = m.group(1)
content = f.read_text(encoding="utf-8")
rev_match = REV_LINE_PATTERN.search(content)
if not rev_match:
errors.append(f" ❌ {f.name}: 未找到 revision 变量定义")
rev_mismatch += 1
continue
rev_value = rev_match.group(1)
rev_num_match = REV_NUM_PATTERN.match(rev_value)
if not rev_num_match or rev_num_match.group(1) != file_num:
errors.append(f" ❌ {f.name}: revision='{rev_value}' 与文件名前缀 {file_num} 不一致")
rev_mismatch += 1
if rev_mismatch == 0:
print(f" ✅ 全部 {len(py_files)} 个文件的 revision 与文件名一致")
return errors
def main() -> int:
versions_dir = Path(sys.argv[1]) if len(sys.argv) > 1 else Path("alembic/versions")
errors = check_naming(versions_dir)
print()
if errors:
print(f"❌ 发现 {len(errors)} 个命名问题")
print()
print("命名规范:")
print(" - 文件名格式: NNN_description.py(3位数字前缀 + 下划线 + 小写描述)")
print(" - 编号必须连续,不能跳号")
print(" - revision 变量的数字前缀必须与文件名一致")
return 1
print("✅ 所有 migration 文件命名规范检查通过")
return 0
if __name__ == "__main__":
sys.exit(main())