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'''
Created on 2 oct. 2014
@author: coissac
'''
import sys
import os
from distutils import log
from distutils.errors import DistutilsError
from obidistutils.serenity.globals import saved_args
from obidistutils.serenity.checkpython import is_good_python27, \
lookfor_good_python27
def rerun_with_anothe_python(path, fork=False):
if saved_args:
args = saved_args
else:
args = list(sys.argv)
assert is_good_python27(path), \
'the selected python is not adapted to the installation of this package'
args.insert(0, path)
sys.stderr.flush()
sys.stdout.flush()
if fork:
log.info('Forking a new install process')
os.system(' '.join(list(args)))
log.info('External process ended')
sys.exit(0)
else:
os.execv(path,list(args))
def enforce_good_python():
if is_good_python27():
return True
goodpython = lookfor_good_python27()
if not goodpython:
raise DistutilsError('No good python identified on your system')
goodpython=goodpython[0]
log.warn("========================================")
log.warn("")
log.warn(" Switching to python : %s" % goodpython)
log.warn("")
log.warn("========================================")
rerun_with_anothe_python(goodpython)
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