qmk-firmware/lib/python/qmk/cli/__init__.py

"""QMK CLI Subcommands

We list each subcommand here explicitly because all the reliable ways of searching for modules are slow and delay startup.
"""
import sys

from milc import cli, __VERSION__

from . import c2json
from . import cformat
from . import chibios
from . import clean
from . import compile
from . import config
from . import docs
from . import doctor
from . import fileformat
from . import flash
from . import format
from . import generate
from . import hello
from . import info
from . import json2c
from . import lint
from . import list
from . import kle2json
from . import new
from . import pyformat
from . import pytest

# Supported version information
#
# Based on the OSes we support these are the minimum python version available by default.
# Last update: 2021 Jan 02
#
# Arch: 3.9
# Debian: 3.7
# Fedora 31: 3.7
# Fedora 32: 3.8
# Fedora 33: 3.9
# FreeBSD: 3.7
# Gentoo: 3.7
# macOS: 3.9 (from homebrew)
# msys2: 3.8
# Slackware: 3.7
# solus: 3.7
# void: 3.9

if sys.version_info[0] != 3 or sys.version_info[1] < 7:
    print('Error: Your Python is too old! Please upgrade to Python 3.7 or later.')
    exit(127)

milc_version = __VERSION__.split('.')

if int(milc_version[0]) < 2 and int(milc_version[1]) < 3:
    from pathlib import Path

    requirements = Path('requirements.txt').resolve()

    print(f'Your MILC library is too old! Please upgrade: python3 -m pip install -U -r {str(requirements)}')
    exit(127)