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import os, sys
from os.path import isdir, join as joinpath
from os import environ as env
def disk(file):
system()
return joinpath(disk.dir, file)
def binary(file):
system()
return joinpath(binary.dir, file)
def script(file):
system()
return joinpath(script.dir, file)
def system():
if not system.dir:
try:
path = env['M5_PATH'].split(':')
except KeyError:
path = [ '/dist/m5/system', '/n/poolfs/z/dist/m5/system' ]
for system.dir in path:
if os.path.isdir(system.dir):
break
else:
raise ImportError, "Can't find a path to system files."
if not binary.dir:
binary.dir = joinpath(system.dir, 'binaries')
if not disk.dir:
disk.dir = joinpath(system.dir, 'disks')
if not script.dir:
script.dir = joinpath(system.dir, 'boot')
system.dir = None
binary.dir = None
disk.dir = None
script.dir = None
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