60 lines
1.5 KiB
Python
60 lines
1.5 KiB
Python
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'''
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Created on 24 mai 2015
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@author: coissac
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'''
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import sys
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import os
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from distutils import log
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from distutils.errors import DistutilsError
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from obidistutils.serenity.globals import saved_args
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from obidistutils.serenity.checkpython import is_python_version,\
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lookfor_good_python
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def rerun_with_anothe_python(path, minversion='3.4',maxversion=None, fork=False):
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if saved_args:
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args = saved_args
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else:
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args = list(sys.argv)
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assert is_python_version(path,minversion,maxversion), \
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'the selected python is not adapted to the installation of this package'
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args.insert(0, path)
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sys.stderr.flush()
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sys.stdout.flush()
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if fork:
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log.info('Forking a new install process')
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os.system(' '.join(list(args)))
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log.info('External process ended')
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sys.exit(0)
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else:
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os.execv(path,list(args))
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def enforce_good_python(minversion='3.4',maxversion=None, fork=False):
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if is_python_version(minversion=minversion,maxversion=maxversion):
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return True
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goodpython = lookfor_good_python(minversion,maxversion)
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if not goodpython:
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raise DistutilsError('No good python identified on your system')
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goodpython=goodpython[0]
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log.warn("========================================")
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log.warn("")
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log.warn(" Switching to python : %s" % goodpython)
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log.warn("")
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log.warn("========================================")
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rerun_with_anothe_python(goodpython)
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