[ab8319a] | 1 | # |
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| 2 | # RTEMS Tools Project (http://www.rtems.org/) |
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[f88fcf3] | 3 | # Copyright 2010-2016 Chris Johns (chrisj@rtems.org) |
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[ab8319a] | 4 | # All rights reserved. |
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| 5 | # |
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| 6 | # This file is part of the RTEMS Tools package in 'rtems-tools'. |
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| 7 | # |
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| 8 | # Permission to use, copy, modify, and/or distribute this software for any |
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| 9 | # purpose with or without fee is hereby granted, provided that the above |
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| 10 | # copyright notice and this permission notice appear in all copies. |
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| 11 | # |
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| 12 | # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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| 13 | # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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| 14 | # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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| 15 | # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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| 16 | # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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| 17 | # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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| 18 | # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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| 19 | |
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| 20 | # |
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| 21 | # Manage paths locally. The internally the path is in Unix or shell format and |
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| 22 | # we convert to the native format when performing operations at the Python |
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| 23 | # level. This allows macro expansion to work. |
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| 24 | # |
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| 25 | |
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[f88fcf3] | 26 | from __future__ import print_function |
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| 27 | |
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[5e536f8] | 28 | import log |
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[ab8319a] | 29 | import os |
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[ee47d72] | 30 | import shutil |
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[a84249d] | 31 | import stat |
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[ab8319a] | 32 | import string |
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| 33 | |
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[ee47d72] | 34 | import error |
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| 35 | |
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[ab8319a] | 36 | windows = os.name == 'nt' |
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[78c1524] | 37 | win_maxpath = 254 |
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[ab8319a] | 38 | |
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| 39 | def host(path): |
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| 40 | if path is not None: |
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| 41 | while '//' in path: |
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| 42 | path = path.replace('//', '/') |
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[a84249d] | 43 | if windows: |
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| 44 | if len(path) > 2 and \ |
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| 45 | path[0] == '/' and path[2] == '/' and \ |
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| 46 | (path[1] in string.ascii_lowercase or \ |
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| 47 | path[1] in string.ascii_uppercase): |
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| 48 | path = '%s:%s' % (path[1], path[2:]) |
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| 49 | path = path.replace('/', '\\') |
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[78c1524] | 50 | if len(path) > win_maxpath: |
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| 51 | if path.startswith('\\\\?\\'): |
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| 52 | path = path[4:] |
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| 53 | path = u'\\'.join([u'\\\\?', path]) |
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[ab8319a] | 54 | return path |
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| 55 | |
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[e1346e2] | 56 | def is_abspath(path): |
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| 57 | if path is not None: |
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| 58 | return '/' == path[0] |
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| 59 | return False |
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| 60 | |
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[ab8319a] | 61 | def shell(path): |
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| 62 | if path is not None: |
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[a84249d] | 63 | if windows: |
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[78c1524] | 64 | path = path.encode('ascii', 'ignore') |
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[a84249d] | 65 | if path.startswith('\\\\?\\'): |
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| 66 | path = path[4:] |
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| 67 | if len(path) > 1 and path[1] == ':': |
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| 68 | path = '/%s%s' % (path[0], path[2:]) |
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| 69 | path = path.replace('\\', '/') |
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[ab8319a] | 70 | while '//' in path: |
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| 71 | path = path.replace('//', '/') |
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| 72 | return path |
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| 73 | |
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| 74 | def basename(path): |
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[e1346e2] | 75 | path = shell(path) |
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| 76 | return shell(os.path.basename(host(path))) |
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[ab8319a] | 77 | |
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| 78 | def dirname(path): |
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[e1346e2] | 79 | path = shell(path) |
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[ab8319a] | 80 | return shell(os.path.dirname(path)) |
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| 81 | |
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| 82 | def join(path, *args): |
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| 83 | path = shell(path) |
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| 84 | for arg in args: |
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[73e8afb] | 85 | if len(path): |
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| 86 | path += '/' + shell(arg) |
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| 87 | else: |
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| 88 | path = shell(arg) |
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[ab8319a] | 89 | return shell(path) |
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| 90 | |
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| 91 | def abspath(path): |
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[e1346e2] | 92 | path = shell(path) |
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[ab8319a] | 93 | return shell(os.path.abspath(host(path))) |
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| 94 | |
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[e1346e2] | 95 | def relpath(path, start = None): |
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| 96 | path = shell(path) |
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| 97 | if start is None: |
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| 98 | path = os.path.relpath(host(path)) |
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| 99 | else: |
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| 100 | path = os.path.relpath(host(path), start) |
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| 101 | return shell(path) |
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| 102 | |
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[ab8319a] | 103 | def splitext(path): |
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[e1346e2] | 104 | path = shell(path) |
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[ab8319a] | 105 | root, ext = os.path.splitext(host(path)) |
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| 106 | return shell(root), ext |
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| 107 | |
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[78c1524] | 108 | def listdir(path): |
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[e1346e2] | 109 | path = shell(path) |
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[78c1524] | 110 | hp = host(path) |
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| 111 | if not os.path.exists(hp): |
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| 112 | return [] |
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| 113 | return os.listdir(hp) |
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| 114 | |
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[06dad0a] | 115 | def exists(paths): |
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[78c1524] | 116 | def _exists(p): |
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[e1346e2] | 117 | if not is_abspath(p): |
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| 118 | p = shell(join(os.getcwd(), host(p))) |
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| 119 | return basename(p) in ['.'] + listdir(dirname(p)) |
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[78c1524] | 120 | |
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[06dad0a] | 121 | if type(paths) == list: |
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| 122 | results = [] |
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| 123 | for p in paths: |
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[e1346e2] | 124 | results += [_exists(shell(p))] |
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[06dad0a] | 125 | return results |
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[e1346e2] | 126 | return _exists(shell(paths)) |
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[ab8319a] | 127 | |
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| 128 | def isdir(path): |
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[e1346e2] | 129 | path = shell(path) |
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[ab8319a] | 130 | return os.path.isdir(host(path)) |
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| 131 | |
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| 132 | def isfile(path): |
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[e1346e2] | 133 | path = shell(path) |
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[ab8319a] | 134 | return os.path.isfile(host(path)) |
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| 135 | |
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[8f84a6b] | 136 | def isabspath(path): |
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[e1346e2] | 137 | path = shell(path) |
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[8f84a6b] | 138 | return path[0] == '/' |
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| 139 | |
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[9994530] | 140 | def iswritable(path): |
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[e1346e2] | 141 | path = shell(path) |
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[9994530] | 142 | return os.access(host(path), os.W_OK) |
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| 143 | |
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[255e032] | 144 | def ispathwritable(path): |
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[e1346e2] | 145 | path = shell(path) |
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[2c0676d] | 146 | while len(path) > 1: |
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[78c1524] | 147 | if exists(path): |
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[255e032] | 148 | return iswritable(path) |
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[e1346e2] | 149 | path = dirname(path) |
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[255e032] | 150 | return False |
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| 151 | |
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[ee47d72] | 152 | def mkdir(path): |
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[e1346e2] | 153 | path = shell(path) |
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[ee47d72] | 154 | if exists(path): |
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| 155 | if not isdir(path): |
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| 156 | raise error.general('path exists and is not a directory: %s' % (path)) |
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| 157 | else: |
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| 158 | if windows: |
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| 159 | try: |
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| 160 | os.makedirs(host(path)) |
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[f88fcf3] | 161 | except IOError as err: |
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[ee47d72] | 162 | raise error.general('cannot make directory: %s' % (path)) |
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[f88fcf3] | 163 | except OSError as err: |
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[ee47d72] | 164 | raise error.general('cannot make directory: %s' % (path)) |
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[f88fcf3] | 165 | except WindowsError as err: |
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[ee47d72] | 166 | raise error.general('cannot make directory: %s' % (path)) |
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| 167 | else: |
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| 168 | try: |
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| 169 | os.makedirs(host(path)) |
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[f88fcf3] | 170 | except IOError as err: |
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[ee47d72] | 171 | raise error.general('cannot make directory: %s' % (path)) |
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[f88fcf3] | 172 | except OSError as err: |
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[ee47d72] | 173 | raise error.general('cannot make directory: %s' % (path)) |
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| 174 | |
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[78c1524] | 175 | def chdir(path): |
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[e1346e2] | 176 | path = shell(path) |
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[78c1524] | 177 | os.chdir(host(path)) |
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| 178 | |
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[ee47d72] | 179 | def removeall(path): |
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[a84249d] | 180 | # |
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| 181 | # Perform the removal of the directory tree manually so we can |
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[78c1524] | 182 | # make sure on Windows the files are correctly encoded to avoid |
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| 183 | # the file name size limit. On Windows the os.walk fails once we |
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| 184 | # get to the max path length on Windows. |
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[a84249d] | 185 | # |
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[78c1524] | 186 | def _isdir(path): |
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| 187 | hpath = host(path) |
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| 188 | return os.path.isdir(hpath) and not os.path.islink(hpath) |
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| 189 | |
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| 190 | def _remove_node(path): |
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| 191 | hpath = host(path) |
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| 192 | if not os.path.islink(hpath) and not os.access(hpath, os.W_OK): |
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| 193 | os.chmod(hpath, stat.S_IWUSR) |
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| 194 | if _isdir(path): |
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| 195 | os.rmdir(hpath) |
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| 196 | else: |
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| 197 | os.unlink(hpath) |
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| 198 | |
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| 199 | def _remove(path): |
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| 200 | dirs = [] |
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| 201 | for name in listdir(path): |
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| 202 | path_ = join(path, name) |
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| 203 | hname = host(path_) |
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| 204 | if _isdir(path_): |
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| 205 | dirs += [name] |
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[88cb50a] | 206 | else: |
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[78c1524] | 207 | _remove_node(path_) |
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| 208 | for name in dirs: |
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| 209 | dir = join(path, name) |
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| 210 | _remove(dir) |
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| 211 | _remove_node(dir) |
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| 212 | |
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[e1346e2] | 213 | path = shell(path) |
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[78c1524] | 214 | hpath = host(path) |
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| 215 | |
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| 216 | if os.path.exists(hpath): |
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| 217 | _remove(path) |
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| 218 | _remove_node(path) |
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[ee47d72] | 219 | |
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[06dad0a] | 220 | def expand(name, paths): |
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[e1346e2] | 221 | path = shell(path) |
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[06dad0a] | 222 | l = [] |
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| 223 | for p in paths: |
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[e1346e2] | 224 | l += [join(shell(p), name)] |
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[06dad0a] | 225 | return l |
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| 226 | |
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[5b5d6bf] | 227 | def copy(src, dst): |
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[e1346e2] | 228 | src = shell(src) |
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| 229 | dst = shell(dst) |
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[5b5d6bf] | 230 | hsrc = host(src) |
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| 231 | hdst = host(dst) |
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| 232 | try: |
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| 233 | shutil.copy(hsrc, hdst) |
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[f88fcf3] | 234 | except OSError as why: |
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[5b5d6bf] | 235 | if windows: |
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| 236 | if WindowsError is not None and isinstance(why, WindowsError): |
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| 237 | pass |
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| 238 | else: |
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[e1346e2] | 239 | raise error.general('copying tree (1): %s -> %s: %s' % (hsrc, hdst, str(why))) |
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[5b5d6bf] | 240 | |
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[869b8a6] | 241 | def copy_tree(src, dst): |
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[be63b8a] | 242 | trace = False |
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| 243 | |
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[869b8a6] | 244 | hsrc = host(src) |
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| 245 | hdst = host(dst) |
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| 246 | |
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[e1346e2] | 247 | if exists(src): |
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| 248 | names = listdir(src) |
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[edf60aa] | 249 | else: |
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| 250 | names = [] |
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[869b8a6] | 251 | |
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[be63b8a] | 252 | if trace: |
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[f88fcf3] | 253 | print('path.copy_tree:') |
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[78c1524] | 254 | print(' src: "%s"' % (src)) |
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| 255 | print(' hsrc: "%s"' % (hsrc)) |
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| 256 | print(' dst: "%s"' % (dst)) |
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| 257 | print(' hdst: "%s"' % (hdst)) |
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[f88fcf3] | 258 | print(' names: %r' % (names)) |
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[be63b8a] | 259 | |
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| 260 | if not os.path.isdir(hdst): |
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| 261 | if trace: |
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[f88fcf3] | 262 | print(' mkdir: %s' % (hdst)) |
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[7385feb] | 263 | try: |
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| 264 | os.makedirs(hdst) |
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[f88fcf3] | 265 | except OSError as why: |
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[7385feb] | 266 | raise error.general('copying tree: cannot create target directory %s: %s' % \ |
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| 267 | (hdst, str(why))) |
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[869b8a6] | 268 | |
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| 269 | for name in names: |
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[a84249d] | 270 | srcname = host(os.path.join(hsrc, name)) |
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| 271 | dstname = host(os.path.join(hdst, name)) |
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[869b8a6] | 272 | try: |
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| 273 | if os.path.islink(srcname): |
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| 274 | linkto = os.readlink(srcname) |
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[e1346e2] | 275 | if exists(shell(dstname)): |
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[85007c3] | 276 | if os.path.islink(dstname): |
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| 277 | dstlinkto = os.readlink(dstname) |
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| 278 | if linkto != dstlinkto: |
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[a84249d] | 279 | log.warning('copying tree: link does not match: %s -> %s' % \ |
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[85007c3] | 280 | (dstname, dstlinkto)) |
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| 281 | os.remove(dstname) |
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| 282 | else: |
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[d4fa101] | 283 | log.warning('copying tree: destination is not a link: %s' % \ |
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| 284 | (dstname)) |
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[85007c3] | 285 | os.remove(dstname) |
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| 286 | else: |
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| 287 | os.symlink(linkto, dstname) |
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[869b8a6] | 288 | elif os.path.isdir(srcname): |
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| 289 | copy_tree(srcname, dstname) |
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| 290 | else: |
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[78c1524] | 291 | shutil.copyfile(host(srcname), host(dstname)) |
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| 292 | shutil.copystat(host(srcname), host(dstname)) |
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[f88fcf3] | 293 | except shutil.Error as err: |
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[e1346e2] | 294 | raise error.general('copying tree (2): %s -> %s: %s' % \ |
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[be63b8a] | 295 | (hsrc, hdst, str(err))) |
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[f88fcf3] | 296 | except EnvironmentError as why: |
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[e1346e2] | 297 | raise error.general('copying tree (3): %s -> %s: %s' % \ |
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[be63b8a] | 298 | (srcname, dstname, str(why))) |
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[869b8a6] | 299 | try: |
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[be63b8a] | 300 | shutil.copystat(hsrc, hdst) |
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[f88fcf3] | 301 | except OSError as why: |
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[edf60aa] | 302 | if windows: |
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| 303 | if WindowsError is not None and isinstance(why, WindowsError): |
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| 304 | pass |
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[869b8a6] | 305 | else: |
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[e1346e2] | 306 | raise error.general('copying tree (4): %s -> %s: %s' % (hsrc, hdst, str(why))) |
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[869b8a6] | 307 | |
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[ab8319a] | 308 | if __name__ == '__main__': |
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[f88fcf3] | 309 | print(host('/a/b/c/d-e-f')) |
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| 310 | print(host('//a/b//c/d-e-f')) |
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| 311 | print(shell('/w/x/y/z')) |
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| 312 | print(basename('/as/sd/df/fg/me.txt')) |
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| 313 | print(dirname('/as/sd/df/fg/me.txt')) |
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| 314 | print(join('/d', 'g', '/tyty/fgfg')) |
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[ab8319a] | 315 | windows = True |
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[f88fcf3] | 316 | print(host('/a/b/c/d-e-f')) |
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| 317 | print(host('//a/b//c/d-e-f')) |
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| 318 | print(shell('/w/x/y/z')) |
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| 319 | print(shell('w:/x/y/z')) |
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| 320 | print(basename('x:/sd/df/fg/me.txt')) |
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| 321 | print(dirname('x:/sd/df/fg/me.txt')) |
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| 322 | print(join('s:/d/e\\f/g', '/h', '/tyty/zxzx', '\\mm\\nn/p')) |
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