1 | # |
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2 | # RTEMS Tools Project (http://www.rtems.org/) |
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3 | # Copyright 2010-2014 Chris Johns (chrisj@rtems.org) |
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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 | # Redistribution and use in source and binary forms, with or without |
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9 | # modification, are permitted provided that the following conditions are met: |
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10 | # |
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11 | # 1. Redistributions of source code must retain the above copyright notice, |
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12 | # this list of conditions and the following disclaimer. |
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13 | # |
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14 | # 2. Redistributions in binary form must reproduce the above copyright notice, |
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15 | # this list of conditions and the following disclaimer in the documentation |
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16 | # and/or other materials provided with the distribution. |
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17 | # |
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18 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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19 | # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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20 | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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21 | # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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22 | # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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23 | # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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24 | # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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25 | # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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26 | # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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27 | # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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28 | # POSSIBILITY OF SUCH DAMAGE. |
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29 | # |
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30 | |
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31 | # |
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32 | # Manage paths locally. The internally the path is in Unix or shell format and |
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33 | # we convert to the native format when performing operations at the Python |
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34 | # level. This allows macro expansion to work. |
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35 | # |
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36 | |
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37 | import glob |
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38 | import log |
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39 | import os |
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40 | import shutil |
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41 | import string |
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42 | |
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43 | import error |
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44 | |
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45 | windows = os.name == 'nt' |
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46 | |
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47 | def host(path): |
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48 | if path is not None: |
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49 | while '//' in path: |
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50 | path = path.replace('//', '/') |
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51 | if windows and len(path) > 2: |
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52 | if path[0] == '/' and path[2] == '/' and \ |
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53 | (path[1] in string.ascii_lowercase or \ |
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54 | path[1] in string.ascii_uppercase): |
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55 | path = ('%s:%s' % (path[1], path[2:])).replace('/', '\\') |
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56 | return path |
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57 | |
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58 | def shell(path): |
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59 | if path is not None: |
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60 | if windows and len(path) > 1 and path[1] == ':': |
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61 | path = ('/%s%s' % (path[0], path[2:])).replace('\\', '/') |
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62 | while '//' in path: |
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63 | path = path.replace('//', '/') |
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64 | return path |
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65 | |
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66 | def basename(path): |
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67 | return shell(os.path.basename(path)) |
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68 | |
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69 | def dirname(path): |
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70 | return shell(os.path.dirname(path)) |
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71 | |
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72 | def join(path, *args): |
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73 | path = shell(path) |
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74 | for arg in args: |
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75 | if len(path): |
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76 | path += '/' + shell(arg) |
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77 | else: |
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78 | path = shell(arg) |
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79 | return shell(path) |
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80 | |
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81 | def abspath(path): |
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82 | return shell(os.path.abspath(host(path))) |
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83 | |
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84 | def splitext(path): |
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85 | root, ext = os.path.splitext(host(path)) |
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86 | return shell(root), ext |
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87 | |
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88 | def exists(paths): |
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89 | if type(paths) == list: |
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90 | results = [] |
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91 | for p in paths: |
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92 | results += [os.path.exists(host(p))] |
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93 | return results |
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94 | return os.path.exists(host(paths)) |
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95 | |
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96 | def isdir(path): |
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97 | return os.path.isdir(host(path)) |
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98 | |
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99 | def isfile(path): |
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100 | return os.path.isfile(host(path)) |
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101 | |
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102 | def isabspath(path): |
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103 | return path[0] == '/' |
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104 | |
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105 | def iswritable(path): |
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106 | return os.access(host(path), os.W_OK) |
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107 | |
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108 | def ispathwritable(path): |
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109 | path = host(path) |
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110 | while len(path) != 0: |
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111 | if os.path.exists(path): |
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112 | return iswritable(path) |
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113 | path = os.path.dirname(path) |
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114 | return False |
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115 | |
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116 | def mkdir(path): |
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117 | path = host(path) |
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118 | if exists(path): |
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119 | if not isdir(path): |
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120 | raise error.general('path exists and is not a directory: %s' % (path)) |
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121 | else: |
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122 | if windows: |
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123 | try: |
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124 | os.makedirs(host(path)) |
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125 | except IOError, err: |
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126 | raise error.general('cannot make directory: %s' % (path)) |
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127 | except OSError, err: |
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128 | raise error.general('cannot make directory: %s' % (path)) |
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129 | except WindowsError, err: |
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130 | raise error.general('cannot make directory: %s' % (path)) |
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131 | else: |
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132 | try: |
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133 | os.makedirs(host(path)) |
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134 | except IOError, err: |
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135 | raise error.general('cannot make directory: %s' % (path)) |
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136 | except OSError, err: |
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137 | raise error.general('cannot make directory: %s' % (path)) |
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138 | |
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139 | def removeall(path): |
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140 | |
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141 | def _onerror(function, path, excinfo): |
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142 | print 'removeall error: (%s) %s' % (excinfo, path) |
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143 | |
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144 | path = host(path) |
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145 | shutil.rmtree(path, onerror = _onerror) |
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146 | return |
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147 | |
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148 | def expand(name, paths): |
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149 | l = [] |
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150 | for p in paths: |
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151 | l += [join(p, name)] |
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152 | return l |
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153 | |
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154 | def collect_files(path_): |
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155 | # |
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156 | # Convert to shell paths and return shell paths. |
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157 | # |
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158 | # @fixme should this use a passed in set of defaults and not |
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159 | # not the initial set of values ? |
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160 | # |
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161 | path_ = shell(path_) |
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162 | if '*' in path_ or '?' in path_: |
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163 | dir = dirname(path_) |
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164 | base = basename(path_) |
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165 | if len(base) == 0: |
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166 | base = '*' |
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167 | files = [] |
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168 | for p in dir.split(':'): |
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169 | hostdir = host(p) |
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170 | for f in glob.glob(os.path.join(hostdir, base)): |
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171 | files += [host(f)] |
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172 | else: |
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173 | files = [host(path_)] |
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174 | return sorted(files) |
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175 | |
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176 | def copy_tree(src, dst): |
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177 | hsrc = host(src) |
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178 | hdst = host(dst) |
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179 | |
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180 | if os.path.exists(src): |
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181 | names = os.listdir(src) |
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182 | else: |
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183 | name = [] |
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184 | |
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185 | if not os.path.isdir(dst): |
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186 | os.makedirs(dst) |
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187 | |
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188 | for name in names: |
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189 | srcname = os.path.join(src, name) |
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190 | dstname = os.path.join(dst, name) |
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191 | try: |
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192 | if os.path.islink(srcname): |
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193 | linkto = os.readlink(srcname) |
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194 | if os.path.exists(dstname): |
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195 | if os.path.islink(dstname): |
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196 | dstlinkto = os.readlink(dstname) |
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197 | if linkto != dstlinkto: |
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198 | log.warning('copying tree: update of link does not match: %s -> %s' % \ |
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199 | (dstname, dstlinkto)) |
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200 | os.remove(dstname) |
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201 | else: |
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202 | log.warning('copying tree: destination is not a link: %s' % \ |
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203 | (dstname)) |
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204 | os.remove(dstname) |
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205 | else: |
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206 | os.symlink(linkto, dstname) |
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207 | elif os.path.isdir(srcname): |
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208 | copy_tree(srcname, dstname) |
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209 | else: |
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210 | shutil.copy2(srcname, dstname) |
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211 | except shutil.Error, err: |
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212 | raise error.general('copying tree: %s -> %s: %s' % (src, dst, str(err))) |
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213 | except EnvironmentError, why: |
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214 | raise error.general('copying tree: %s -> %s: %s' % (srcname, dstname, str(why))) |
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215 | try: |
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216 | shutil.copystat(src, dst) |
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217 | except OSError, why: |
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218 | ok = False |
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219 | if windows: |
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220 | if WindowsError is not None and isinstance(why, WindowsError): |
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221 | ok = True |
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222 | if not ok: |
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223 | raise error.general('copying tree: %s -> %s: %s' % (src, dst, str(why))) |
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224 | |
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225 | if __name__ == '__main__': |
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226 | print host('/a/b/c/d-e-f') |
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227 | print host('//a/b//c/d-e-f') |
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228 | print shell('/w/x/y/z') |
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229 | print basename('/as/sd/df/fg/me.txt') |
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230 | print dirname('/as/sd/df/fg/me.txt') |
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231 | print join('/d', 'g', '/tyty/fgfg') |
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232 | windows = True |
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233 | print host('/a/b/c/d-e-f') |
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234 | print host('//a/b//c/d-e-f') |
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235 | print shell('/w/x/y/z') |
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236 | print shell('w:/x/y/z') |
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237 | print basename('x:/sd/df/fg/me.txt') |
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238 | print dirname('x:/sd/df/fg/me.txt') |
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239 | print join('s:/d/', '/g', '/tyty/fgfg') |
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