from __future__ import annotations

from enum import IntEnum

class VersionIncrement(IntEnum):

"""Semantic versioning bump increments.

IntEnum keeps a total order compatible with NONE < PATCH < MINOR < MAJOR

for comparisons across the codebase.

- NONE: no bump (docs-only / style commits, etc.)

- PATCH: backwards-compatible bug fixes

- MINOR: backwards-compatible features

- MAJOR: incompatible API changes

"""

NONE = 0

PATCH = 1

MINOR = 2

MAJOR = 3

def __str__(self) -> str:

return self.name

@classmethod

def from_value(cls, value: object) -> VersionIncrement:

if not isinstance(value, str):

return VersionIncrement.NONE

try:

return cls[value]

except KeyError:

return VersionIncrement.NONE