SysPaths.py (3510:c529f0b16334) | SysPaths.py (10681:c35efeacc933) |
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1# Copyright (c) 2006 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright --- 19 unchanged lines hidden (view full) --- 28 29import os, sys 30from os.path import isdir, join as joinpath 31from os import environ as env 32 33config_path = os.path.dirname(os.path.abspath(__file__)) 34config_root = os.path.dirname(config_path) 35 | 1# Copyright (c) 2006 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright --- 19 unchanged lines hidden (view full) --- 28 29import os, sys 30from os.path import isdir, join as joinpath 31from os import environ as env 32 33config_path = os.path.dirname(os.path.abspath(__file__)) 34config_root = os.path.dirname(config_path) 35 |
36def searchpath(path, file): 37 for p in path: 38 f = joinpath(p, file) 39 if os.path.exists(f): 40 return f 41 raise IOError, "Can't find file '%s' on path." % file 42 |
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36def disk(file): 37 system() | 43def disk(file): 44 system() |
38 return joinpath(disk.dir, file) | 45 return searchpath(disk.path, file) |
39 40def binary(file): 41 system() | 46 47def binary(file): 48 system() |
42 return joinpath(binary.dir, file) | 49 return searchpath(binary.path, file) |
43 44def script(file): 45 system() | 50 51def script(file): 52 system() |
46 return joinpath(script.dir, file) | 53 return searchpath(script.path, file) |
47 48def system(): | 54 55def system(): |
49 if not system.dir: | 56 if not system.path: |
50 try: | 57 try: |
51 path = env['M5_PATH'].split(':') | 58 path = env['M5_PATH'].split(':') |
52 except KeyError: | 59 except KeyError: |
53 path = [ '/dist/m5/system', '/n/poolfs/z/dist/m5/system' ] | 60 path = [ '/dist/m5/system', '/n/poolfs/z/dist/m5/system' ] |
54 | 61 |
55 for system.dir in path: 56 if os.path.isdir(system.dir): 57 break 58 else: 59 raise ImportError, "Can't find a path to system files." | 62 # filter out non-existent directories 63 system.path = filter(os.path.isdir, path) |
60 | 64 |
61 if not binary.dir: 62 binary.dir = joinpath(system.dir, 'binaries') 63 if not disk.dir: 64 disk.dir = joinpath(system.dir, 'disks') 65 if not script.dir: 66 script.dir = joinpath(config_root, 'boot') | 65 if not system.path: 66 raise IOError, "Can't find a path to system files." |
67 | 67 |
68system.dir = None 69binary.dir = None 70disk.dir = None 71script.dir = None | 68 if not binary.path: 69 binary.path = [joinpath(p, 'binaries') for p in system.path] 70 if not disk.path: 71 disk.path = [joinpath(p, 'disks') for p in system.path] 72 if not script.path: 73 script.path = [joinpath(config_root, 'boot')] 74 75system.path = None 76binary.path = None 77disk.path = None 78script.path = None |