"""
If the current installed Python version is not supported, prints an error
message to stderr and returns 1
"""
from __future__ import print_function
import sys
def check_python():
if sys.version_info[:2] >= (3, 5):
# supported
return
else:
version_string = '.'.join(str(_) for _ in sys.version_info[:3])
msg = """\
ERROR: Your Python version is: %s
Galaxy is currently supported on Python >=3.5 .
To run Galaxy, please install a supported Python version.
If a supported version is already installed but is not your default,
https://docs.galaxyproject.org/en/latest/admin/python.html contains instructions
on how to force Galaxy to use a different version.""" % version_string
print(msg, file=sys.stderr)
raise Exception(msg)
if __name__ == '__main__':
try:
check_python()
except Exception:
sys.exit(1)