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14 changes: 10 additions & 4 deletions setup.py
Original file line number Diff line number Diff line change
Expand Up @@ -7,13 +7,19 @@
from setuptools import setup

if 'BUILD_DEBIAN_PACKAGE' not in os.environ:
from pkg_resources import parse_version
def _try_parse(raw):
raw = next(iter((raw or '').split('-', 1)))
for part in raw.split('.'):
try:
yield int(part)
except ValueError:
break

from setuptools import __version__ as setuptools_version
minimum_version = '40.5.0'
if parse_version(setuptools_version) < parse_version(minimum_version):
if tuple(_try_parse(setuptools_version)) < (40, 5):
print(
"The Python package 'colcon-notification' requires at least "
'setuptools version {minimum_version}'.format_map(locals()),
'setuptools version 40.5',
file=sys.stderr)
sys.exit(1)

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