import os, re, subprocess

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# define modules runtine quarantine configuration

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os.environ['MODULES_RUN_QUARANTINE'] = 'LD_LIBRARY_PATH LD_PRELOAD'

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# setup quarantine if defined

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_mlre = os.environ.copy()

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if 'MODULES_RUN_QUARANTINE' in os.environ:

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for _mlv in os.environ['MODULES_RUN_QUARANTINE'].split():

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if re.match('^[A-Za-z_][A-Za-z0-9_]*$', _mlv):

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if _mlv in os.environ:

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_mlre[_mlv + '_modquar'] = os.environ[_mlv]

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_mlrv = 'MODULES_RUNENV_' + _mlv

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if _mlrv in os.environ:

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_mlre[_mlv] = os.environ[_mlrv]

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else:

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_mlre[_mlv] = ''

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# define module command and surrounding initial environment (default value

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# for MODULESHOME, MODULEPATH, LOADEDMODULES and parse of init config files)

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exec(subprocess.Popen(['/usr/bin/tclsh', '/usr/share/Modules/libexec/modulecmd.tcl', 'python', 'autoinit'], stdout=subprocess.PIPE, env=_mlre).communicate()[0])

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# clean temp variable used to setup quarantine

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del _mlre

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# redefine module command if compat version has been activated

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if 'MODULES_USE_COMPAT_VERSION' in os.environ and os.environ['MODULES_USE_COMPAT_VERSION'] == '1':

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os.environ['MODULES_CMD'] = '/usr/share/Modules/libexec/modulecmd-compat'

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# set module command in accordance with active version

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def module(command, *arguments):

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exec(subprocess.Popen(['/usr/share/Modules/libexec/modulecmd-compat', 'python', command] + list(arguments), stdout=subprocess.PIPE).communicate()[0])

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# return value as done on new main version

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return True

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