configs/test/SysPaths.py

   1 import os, sys
   2 from os.path import isdir, join as joinpath
   3 from os import environ as env
   4
   5 systemdir = None
   6 bindir = None
   7 diskdir = None
   8 scriptdir = None
   9
  10 def load_defaults():
  11     global systemdir, bindir, diskdir, scriptdir
  12     if not systemdir:
  13         try:
  14                 path = env['M5_PATH'].split(':')
  15         except KeyError:
  16                 path = [ '/dist/m5/system', '/n/poolfs/z/dist/m5/system' ]
  17
  18         for systemdir in path:
  19             if os.path.isdir(systemdir):
  20                 break
  21         else:
  22             raise ImportError, "Can't find a path to system files."
  23
  24     if not bindir:
  25         bindir = joinpath(systemdir, 'binaries')
  26     if not diskdir:
  27         diskdir = joinpath(systemdir, 'disks')
  28     if not scriptdir:
  29         scriptdir = joinpath(systemdir, 'boot')
  30
  31 def disk(file):
  32     load_defaults()
  33     return joinpath(diskdir, file)
  34
  35 def binary(file):
  36     load_defaults()
  37     return joinpath(bindir, file)
  38
  39 def script(file):
  40     load_defaults()
  41     return joinpath(scriptdir, file)
  42