Mercurial > traipse_dev
annotate platform.py @ 207:40316be08270 alpha
Traipse Alpha 'OpenRPG' {100428-00}
Traipse is a distribution of OpenRPG that is designed to be easy to setup and go. Traipse also makes it easy for
developers to work on code without fear of sacrifice. 'Ornery-Orc' continues the trend of 'Grumpy' and adds fixes to
the code. 'Ornery-Orc's main goal is to offer more advanced features and enhance the productivity of the user.
Update Summary (Patch-2)
Getting Ready for Beta!
New Features:
New Namespace method with two new syntaxes
New Namespace Internal is context sensitive, always!
New Namespace External is 'as narrow as you make it'
New Namespace FutureCheck helps ensure you don't receive an incorrect node
New PluginDB access for URL2Link plugin
New to Forms, they now show their content in Design Mode
New to Update Manager, checks Repo for updates on software start
Fixes:
Fix to Server GUI startup errors
Fix to Server GUI Rooms tab updating
Fix to Chat and Settings if non existant die roller is picked
Fix to Dieroller and .open() used with .vs(). Successes are correctly calculated
Fix to Alias Lib's Export to Tree, Open, Save features
Fix to alias node, now works properly
Fix to Splitter node, minor GUI cleanup
Fix to Backgrounds not loading through remote loader
Fix to Node name errors
Fix to rolling dice in chat Whispers
Fix to Splitters Sizing issues
Fix to URL2Link plugin, modified regex compilation should remove memory leak
Fix to mapy.py, a roll back due to zoomed grid issues
Fix to whiteboard_handler, Circles work by you clicking the center of the circle
Fix to Servers parse_incoming_dom which was outdated and did not respect XML
Fix to a broken link in the server welcome message
Fix to InterParse and logger requiring traceback
Fix to Update Manager Status Bar
Fix to failed image and erroneous pop up
author | sirebral |
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date | Wed, 28 Apr 2010 01:27:11 -0500 |
parents | 4385a7d0efd1 |
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0
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1 #!/usr/local/bin/python |
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2 |
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3 """ This module tries to retrieve as much platform identifying data as |
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4 possible. It makes this information available via function APIs. |
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5 |
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6 If called from the command line, it prints the platform |
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7 information concatenated as single string to stdout. The output |
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8 format is useable as part of a filename. |
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9 |
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10 Note that this module is a fast moving target. I plan to release |
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11 version 1.0 as the final version. |
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12 |
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13 Still needed: |
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14 - more support for WinCE |
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15 - support for MS-DOS (PythonDX ?) |
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16 - support for Amiga and other still unsupported platforms running Python |
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17 - support for additional Linux distributions |
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18 |
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19 Many thanks to all those who helped adding platform specific |
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20 checks (in no particular order): |
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21 |
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22 Charles G Waldman, David Arnold, Gordon McMillan, Ben Darnell, |
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23 Jeff Bauer, Cliff Crawford, Ivan Van Laningham, Josef |
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24 Betancourt, Randall Hopper, Karl Putland, John Farrell, Greg |
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25 Andruk, Just van Rossum, Thomas Heller, Mark R. Levinson, Mark |
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26 Hammond, Bill Tutt, Hans Nowak, Uwe Zessin (OpenVMS support), |
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27 Colin Kong, Trent Mick |
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28 |
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29 History: |
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30 0.8.0 - added sys.version parser and various new access |
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31 APIs (python_version(), python_compiler(), etc.) |
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32 0.7.2 - fixed architecture() to use sizeof(pointer) where available |
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33 0.7.1 - added support for Caldera OpenLinux |
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34 0.7.0 - some fixes for WinCE; untabified the source file |
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35 0.6.2 - support for OpenVMS - requires version 1.5.2-V006 or higher and |
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36 vms_lib.getsyi() configured |
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37 0.6.1 - added code to prevent 'uname -p' on platforms which are |
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38 known not to support it |
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39 0.6.0 - fixed win32_ver() to hopefully work on Win95,98,NT and Win2k; |
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40 did some cleanup of the interfaces - some APIs have changed |
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41 0.5.5 - fixed another type in the MacOS code... should have |
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42 used more coffee today ;-) |
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43 0.5.4 - fixed a few typos in the MacOS code |
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44 0.5.3 - added experimental MacOS support; added better popen() |
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45 workarounds in _syscmd_ver() -- still not 100% elegant |
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46 though |
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47 0.5.2 - fixed uname() to return '' instead of 'unkown' in all |
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48 return values (the system uname command tends to return |
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49 'unkown' instead of just leaving the field emtpy) |
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50 0.5.1 - included code for slackware dist; added exception handlers |
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51 to cover up situations where platforms don't have os.popen |
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52 (e.g. Mac) or fail on socket.gethostname(); fixed libc |
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53 detection RE |
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54 0.5.0 - changed the API names referring to system commands to *syscmd*; |
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55 added java_ver(); made syscmd_ver() a private |
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56 API (was system_ver() in previous versions) -- use uname() |
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57 instead; extended the win32_ver() to also return processor |
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58 type information |
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59 0.4.0 - added win32_ver() and modified the platform() output for WinXX |
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60 0.3.4 - fixed a bug in _follow_symlinks() |
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61 0.3.3 - fixed popen() and "file" command invokation bugs |
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62 0.3.2 - added architecture() API and support for it in platform() |
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63 0.3.1 - fixed syscmd_ver() RE to support Windows NT |
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64 0.3.0 - added system alias support |
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65 0.2.3 - removed 'wince' again... oh well. |
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66 0.2.2 - added 'wince' to syscmd_ver() supported platforms |
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67 0.2.1 - added cache logic and changed the platform string format |
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68 0.2.0 - changed the API to use functions instead of module globals |
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69 since some action take too long to be run on module import |
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70 0.1.0 - first release |
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71 |
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72 You can always get the latest version of this module at: |
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73 |
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74 http://www.egenix.com/files/python/platform.py |
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75 |
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76 If that URL should fail, try contacting the author. |
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77 |
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78 ---------------------------------------------------------------------- |
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79 |
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80 Copyright (c) 1999-2000, Marc-Andre Lemburg; mailto:mal@lemburg.com |
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81 Copyright (c) 2000-2001, eGenix.com Software GmbH; mailto:info@egenix.com |
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82 |
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83 Permission to use, copy, modify, and distribute this software and its |
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84 documentation for any purpose and without fee or royalty is hereby granted, |
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85 provided that the above copyright notice appear in all copies and that |
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86 both that copyright notice and this permission notice appear in |
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87 supporting documentation or portions thereof, including modifications, |
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88 that you make. |
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89 |
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90 EGENIX.COM SOFTWARE GMBH DISCLAIMS ALL WARRANTIES WITH REGARD TO |
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91 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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92 FITNESS, IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, |
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93 INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING |
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94 FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
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95 NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION |
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96 WITH THE USE OR PERFORMANCE OF THIS SOFTWARE ! |
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97 |
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98 """ |
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99 |
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100 __version__ = '0.8.0' |
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101 |
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102 import sys,string,os,re |
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103 |
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104 ### Platform specific APIs |
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105 |
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106 def libc_ver(executable=sys.executable,lib='',version='', |
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107 |
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108 chunksize=2048, |
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109 libc_search=re.compile('(__libc_init)' |
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110 '|' |
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111 '(GLIBC_([0-9.]+))' |
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112 '|' |
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113 '(libc(_\w+)?\.so(?:\.(\d[0-9.]*))?)' |
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114 ) |
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115 ): |
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116 |
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117 """ Tries to determine the libc version against which the |
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118 file executable (defaults to the Python interpreter) is linked. |
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119 |
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120 Returns a tuple of strings (lib,version) which default to the |
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121 given parameters in case the lookup fails. |
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122 |
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123 Note that the function has intimate knowledge of how different |
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124 libc versions add symbols to the executable is probably only |
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125 useable for executables compiled using gcc. |
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126 |
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127 The file is read and scanned in chunks of chunksize bytes. |
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128 |
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129 """ |
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130 f = open(executable,'rb') |
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131 binary = f.read(chunksize) |
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132 pos = 0 |
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133 while 1: |
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134 m = libc_search.search(binary,pos) |
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135 if not m: |
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136 binary = f.read(chunksize) |
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137 if not binary: |
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138 break |
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139 pos = 0 |
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140 continue |
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141 libcinit,glibc,glibcversion,so,threads,soversion = m.groups() |
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142 if libcinit and not lib: |
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143 lib = 'libc' |
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144 elif glibc: |
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145 if lib != 'glibc': |
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146 lib = 'glibc' |
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147 version = glibcversion |
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148 elif glibcversion > version: |
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149 version = glibcversion |
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150 elif so: |
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151 if lib != 'glibc': |
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152 lib = 'libc' |
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153 if soversion > version: |
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154 version = soversion |
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155 if threads and version[-len(threads):] != threads: |
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156 version = version + threads |
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157 pos = m.end() |
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158 f.close() |
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159 return lib,version |
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160 |
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161 def _dist_try_harder(distname,version,id): |
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162 |
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163 """ Tries some special tricks to get the distribution |
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164 information in case the default method fails. |
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165 |
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166 Currently supports older SuSE Linux, Caldera OpenLinux and |
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167 Slackware Linux distributions. |
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168 |
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169 """ |
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170 if os.path.exists('/var/adm/inst-log/info'): |
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171 # SuSE Linux stores distribution information in that file |
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172 info = open('/var/adm/inst-log/info').readlines() |
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173 distname = 'SuSE' |
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174 for line in info: |
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175 tv = string.split(line) |
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176 if len(tv) == 2: |
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177 tag,value = tv |
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178 else: |
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179 continue |
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180 if tag == 'MIN_DIST_VERSION': |
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181 version = string.strip(value) |
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182 elif tag == 'DIST_IDENT': |
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183 values = string.split(value,'-') |
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184 id = values[2] |
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185 return distname,version,id |
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186 |
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187 if os.path.exists('/etc/.installed'): |
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188 # Caldera OpenLinux has some infos in that file (thanks to Colin Kong) |
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189 info = open('/etc/.installed').readlines() |
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190 for line in info: |
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191 pkg = string.split(line,'-') |
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192 if len(pkg) >= 2 and pkg[0] == 'OpenLinux': |
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193 # XXX does Caldera support non Intel platforms ? If yes, |
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194 # where can we find the needed id ? |
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195 return 'OpenLinux',pkg[1],id |
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196 |
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197 if os.path.isdir('/usr/lib/setup'): |
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198 # Check for slackware verson tag file (thanks to Greg Andruk) |
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199 verfiles = os.listdir('/usr/lib/setup') |
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200 for n in range(len(verfiles)-1, -1, -1): |
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201 if verfiles[n][:14] != 'slack-version-': |
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202 del verfiles[n] |
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203 if verfiles: |
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204 verfiles.sort() |
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205 distname = 'slackware' |
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206 version = verfiles[-1][14:] |
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207 return distname,version,id |
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208 |
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209 return distname,version,id |
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210 |
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211 def dist(distname='',version='',id='', |
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212 |
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213 supported_dists=('SuSE','debian','redhat','mandrake'), |
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214 release_filename=re.compile('(\w+)[-_](release|version)'), |
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215 release_version=re.compile('([\d.]+)[^(]*(?:\((.+)\))?')): |
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216 |
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217 """ Tries to determine the name of the OS distribution name |
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218 |
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219 The function first looks for a distribution release file in |
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220 /etc and then reverts to _dist_try_harder() in case no |
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221 suitable files are found. |
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222 |
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223 Returns a tuple distname,version,id which default to the |
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224 args given as parameters. |
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225 |
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226 """ |
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227 try: |
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228 etc = os.listdir('/etc') |
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229 except os.error: |
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230 # Probably not a Unix system |
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231 return distname,version,id |
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232 for file in etc: |
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233 m = release_filename.match(file) |
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234 if m: |
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235 _distname,dummy = m.groups() |
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236 if _distname in supported_dists: |
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237 distname = _distname |
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238 break |
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239 else: |
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240 return _dist_try_harder(distname,version,id) |
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241 f = open('/etc/'+file,'r') |
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242 firstline = f.readline() |
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243 f.close() |
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244 m = release_version.search(firstline) |
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245 if m: |
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246 _version,_id = m.groups() |
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247 if _version: |
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248 version = _version |
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249 if _id: |
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250 id = _id |
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251 else: |
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252 # Unkown format... take the first two words |
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253 l = string.split(string.strip(firstline)) |
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254 if l: |
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255 version = l[0] |
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256 if len(l) > 1: |
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257 id = l[1] |
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258 return distname,version,id |
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259 |
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260 class _popen: |
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261 |
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262 """ Fairly portable (alternative) popen implementation. |
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263 |
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264 This is mostly needed in case os.popen() is not available, or |
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265 doesn't work as advertised, e.g. in Win9X GUI programs like |
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266 PythonWin or IDLE. |
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267 |
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268 XXX Writing to the pipe is currently not supported. |
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269 |
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270 """ |
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271 tmpfile = '' |
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272 pipe = None |
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273 bufsize = None |
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274 mode = 'r' |
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275 |
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276 def __init__(self,cmd,mode='r',bufsize=None): |
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277 |
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278 if mode != 'r': |
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279 raise ValueError,'popen()-emulation only supports read mode' |
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280 import tempfile |
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281 self.tmpfile = tmpfile = tempfile.mktemp() |
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282 os.system(cmd + ' > %s' % tmpfile) |
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283 self.pipe = open(tmpfile,'rb') |
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284 self.bufsize = bufsize |
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285 self.mode = mode |
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286 |
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287 def read(self): |
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288 |
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289 return self.pipe.read() |
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290 |
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291 def readlines(self): |
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292 |
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293 if self.bufsize is not None: |
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294 return self.pipe.readlines() |
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295 |
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296 def close(self, |
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297 |
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298 remove=os.unlink,error=os.error): |
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299 |
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300 if self.pipe: |
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301 rc = self.pipe.close() |
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302 else: |
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303 rc = 255 |
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304 if self.tmpfile: |
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305 try: |
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306 remove(self.tmpfile) |
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307 except error: |
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308 pass |
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309 return rc |
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310 |
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311 # Alias |
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312 __del__ = close |
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313 |
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314 def popen(cmd, mode='r', bufsize=None): |
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315 |
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316 """ Portable popen() interface. |
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317 """ |
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318 # Find a working popen implementation preferring win32pipe.popen |
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319 # over os.popen over _popen |
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320 popen = None |
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321 if os.environ.get('OS','') == 'Windows_NT': |
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322 # On NT win32pipe should work; on Win9x it hangs due to bugs |
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323 # in the MS C lib (see MS KnowledgeBase article Q150956) |
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324 try: |
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325 import win32pipe |
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326 except ImportError: |
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327 pass |
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328 else: |
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329 popen = win32pipe.popen |
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330 if popen is None: |
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331 if hasattr(os,'popen'): |
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332 popen = os.popen |
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333 # Check whether it works... it doesn't in GUI programs |
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334 # on Windows platforms |
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335 if sys.platform == 'win32': # XXX Others too ? |
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336 try: |
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337 popen('') |
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338 except os.error: |
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339 popen = _popen |
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340 else: |
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341 popen = _popen |
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342 if bufsize is None: |
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343 return popen(cmd,mode) |
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344 else: |
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345 return popen(cmd,mode,bufsize) |
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346 |
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347 def _norm_version(version,build=''): |
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348 |
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349 """ Normalize the version and build strings and return a sinlge |
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350 vesion string using the format major.minor.build (or patchlevel). |
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351 """ |
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352 l = string.split(version,'.') |
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353 if build: |
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354 l.append(build) |
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355 try: |
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356 ints = map(int,l) |
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357 except ValueError: |
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358 strings = l |
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359 else: |
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360 strings = map(str,ints) |
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361 version = string.join(strings[:3],'.') |
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362 return version |
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363 |
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364 def _syscmd_ver(system='',release='',version='', |
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365 |
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366 supported_platforms=('win32','win16','dos','os2'), |
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367 ver_output=re.compile('(?:([\w ]+) ([\w.]+) ' |
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368 '.*' |
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369 'Version ([\d.]+))')): |
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370 |
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371 """ Tries to figure out the OS version used and returns |
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372 a tuple (system,release,version). |
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373 |
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374 It uses the "ver" shell command for this which is known |
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375 to exists on Windows, DOS and OS/2. XXX Others too ? |
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376 |
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377 In case this fails, the given parameters are used as |
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378 defaults. |
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379 |
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380 """ |
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381 if sys.platform not in supported_platforms: |
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382 return system,release,version |
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383 |
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384 # Try some common cmd strings |
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385 for cmd in ('ver','command /c ver','cmd /c ver'): |
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386 try: |
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387 pipe = popen(cmd) |
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388 info = pipe.read() |
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389 if pipe.close(): |
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390 raise os.error,'command failed' |
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391 # XXX How can I supress shell errors from being written |
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392 # to stderr ? |
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393 except os.error,why: |
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394 #print 'Command %s failed: %s' % (cmd,why) |
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395 continue |
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396 except IOError,why: |
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397 #print 'Command %s failed: %s' % (cmd,why) |
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398 continue |
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399 else: |
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400 break |
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401 else: |
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402 return system,release,version |
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403 |
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404 # Parse the output |
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405 info = string.strip(info) |
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406 m = ver_output.match(info) |
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407 if m: |
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408 system,release,version = m.groups() |
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409 # Strip trailing dots from version and release |
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410 if release[-1] == '.': |
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411 release = release[:-1] |
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412 if version[-1] == '.': |
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413 version = version[:-1] |
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414 # Normalize the version and build strings (eliminating additional |
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415 # zeros) |
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416 version = _norm_version(version) |
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417 return system,release,version |
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418 |
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419 def _win32_getvalue(key,name,default=''): |
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420 |
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421 """ Read a value for name from the registry key. |
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422 |
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423 In case this fails, default is returned. |
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424 |
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425 """ |
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426 from win32api import RegQueryValueEx |
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427 try: |
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428 return RegQueryValueEx(key,name) |
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429 except: |
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430 return default |
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431 |
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432 def win32_ver(release='',version='',csd='',ptype=''): |
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433 |
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434 """ Get additional version information from the Windows Registry |
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435 and return a tuple (version,csd,ptype) referring to version |
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436 number, CSD level and OS type (multi/single |
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437 processor). |
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438 |
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439 As a hint: ptype returns 'Uniprocessor Free' on single |
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440 processor NT machines and 'Multiprocessor Free' on multi |
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441 processor machines. The 'Free' refers to the OS version being |
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442 free of debugging code. It could also state 'Checked' which |
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443 means the OS version uses debugging code, i.e. code that |
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444 checks arguments, ranges, etc. (Thomas Heller). |
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445 |
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446 Note: this functions only works if Mark Hammond's win32 |
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447 package is installed and obviously only runs on Win32 |
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448 compatible platforms. |
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449 |
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450 XXX Is there any way to find out the processor type on WinXX ? |
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451 |
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452 XXX Is win32 available on Windows CE ? |
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453 |
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454 Adapted from code posted by Karl Putland to comp.lang.python. |
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455 |
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456 """ |
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457 # Import the needed APIs |
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458 try: |
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459 import win32api |
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460 except ImportError: |
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461 return release,version,csd,ptype |
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462 from win32api import RegQueryValueEx,RegOpenKeyEx,RegCloseKey,GetVersionEx |
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463 from win32con import HKEY_LOCAL_MACHINE,VER_PLATFORM_WIN32_NT,\ |
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464 VER_PLATFORM_WIN32_WINDOWS |
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465 |
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466 # Find out the registry key and some general version infos |
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467 maj,min,buildno,plat,csd = GetVersionEx() |
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468 version = '%i.%i.%i' % (maj,min,buildno & 0xFFFF) |
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469 if csd[:13] == 'Service Pack ': |
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470 csd = 'SP' + csd[13:] |
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471 if plat == VER_PLATFORM_WIN32_WINDOWS: |
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472 regkey = 'SOFTWARE\\Microsoft\\Windows\\CurrentVersion' |
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473 # Try to guess the release name |
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474 if maj == 4: |
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475 if min == 0: |
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476 release = '95' |
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477 else: |
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478 release = '98' |
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479 elif maj == 5: |
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480 release = '2000' |
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481 elif plat == VER_PLATFORM_WIN32_NT: |
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482 regkey = 'SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion' |
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483 if maj <= 4: |
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484 release = 'NT' |
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485 elif maj == 5: |
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486 release = '2000' |
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487 else: |
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488 if not release: |
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489 # E.g. Win3.1 with win32s |
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490 release = '%i.%i' % (maj,min) |
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491 return release,version,csd,ptype |
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492 |
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493 # Open the registry key |
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494 try: |
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495 keyCurVer = RegOpenKeyEx(HKEY_LOCAL_MACHINE,regkey) |
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496 # Get a value to make sure the key exists... |
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497 RegQueryValueEx(keyCurVer,'SystemRoot') |
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498 except: |
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499 return release,version,csd,ptype |
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500 |
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501 # Parse values |
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502 #subversion = _win32_getvalue(keyCurVer, |
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503 # 'SubVersionNumber', |
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504 # ('',1))[0] |
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505 #if subversion: |
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506 # release = release + subversion # 95a, 95b, etc. |
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507 build = _win32_getvalue(keyCurVer, |
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508 'CurrentBuildNumber', |
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509 ('',1))[0] |
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510 ptype = _win32_getvalue(keyCurVer, |
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511 'CurrentType', |
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512 (ptype,1))[0] |
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513 |
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514 # Normalize version |
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515 version = _norm_version(version,build) |
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516 |
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517 # Close key |
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518 RegCloseKey(keyCurVer) |
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519 return release,version,csd,ptype |
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520 |
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521 def _mac_ver_lookup(selectors,default=None): |
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522 |
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523 from gestalt import gestalt |
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524 l = [] |
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525 append = l.append |
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526 for selector in selectors: |
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527 try: |
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528 append(gestalt(selector)) |
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529 except RuntimeError: |
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530 append(default) |
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531 return l |
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532 |
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533 def _bcd2str(bcd): |
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534 |
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535 return hex(bcd)[2:] |
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536 |
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537 def mac_ver(release='',versioninfo=('','',''),machine=''): |
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538 |
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539 """ Get MacOS version information and return it as tuple (release, |
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540 versioninfo, machine) with versioninfo being a tuple (version, |
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541 dev_stage, non_release_version). |
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542 |
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543 Entries which cannot be determined are set to ''. All tuple |
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544 entries are strings. |
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545 |
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546 Thanks to Mark R. Levinson for mailing documentation links and |
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547 code examples for this function. Documentation for the |
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548 gestalt() API is available online at: |
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549 |
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550 http://www.rgaros.nl/gestalt/ |
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551 |
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552 """ |
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553 # Check whether the version info module is available |
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554 try: |
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555 import gestalt |
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556 except ImportError: |
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557 return release,versioninfo,machine |
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558 # Get the infos |
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559 sysv,sysu,sysa = _mac_ver_lookup(('sysv','sysu','sysa')) |
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560 # Decode the infos |
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561 if sysv: |
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562 major = (sysv & 0xFF00) >> 8 |
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563 minor = (sysv & 0x00F0) >> 4 |
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564 patch = (sysv & 0x000F) |
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565 release = '%s.%i.%i' % (_bcd2str(major),minor,patch) |
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566 if sysu: |
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567 major = (sysu & 0xFF000000) >> 24 |
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568 minor = (sysu & 0x00F00000) >> 20 |
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569 bugfix = (sysu & 0x000F0000) >> 16 |
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570 stage = (sysu & 0x0000FF00) >> 8 |
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571 nonrel = (sysu & 0x000000FF) |
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572 version = '%s.%i.%i' % (_bcd2str(major),minor,bugfix) |
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573 nonrel = _bcd2str(nonrel) |
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574 stage = {0x20:'development', |
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575 0x40:'alpha', |
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576 0x60:'beta', |
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577 0x80:'final'}.get(stage,'') |
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578 versioninfo = (version,stage,nonrel) |
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579 if sysa: |
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580 machine = {0x1: '68k', |
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581 0x2: 'PowerPC'}.get(sysa,'') |
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582 return release,versioninfo,machine |
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583 |
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584 def _java_getprop(self,name,default): |
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585 |
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586 from java.lang import System |
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587 try: |
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588 return System.getProperty(name) |
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589 except: |
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590 return default |
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591 |
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592 def java_ver(release='',vendor='',vminfo=('','',''),osinfo=('','','')): |
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593 |
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594 """ Version interface for JPython. |
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595 |
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596 Returns a tuple (release,vendor,vminfo,osinfo) with vminfo being |
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597 a tuple (vm_name,vm_release,vm_vendor) and osinfo being a |
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598 tuple (os_name,os_version,os_arch). |
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599 |
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600 Values which cannot be determined are set to the defaults |
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601 given as parameters (which all default to ''). |
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602 |
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603 """ |
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604 # Import the needed APIs |
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605 try: |
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606 import java.lang |
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607 except ImportError: |
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608 return release,vendor,vminfo,osinfo |
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609 |
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610 vendor = _java_getprop('java.vendor',vendor) |
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611 release = _java_getprop('java.version',release) |
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612 vm_name,vm_release,vm_vendor = vminfo |
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613 vm_name = _java_getprop('java.vm.name',vm_name) |
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614 vm_vendor = _java_getprop('java.vm.vendor',vm_vendor) |
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615 vm_release = _java_getprop('java.vm.version',vm_release) |
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616 vminfo = vm_name,vm_release,vm_vendor |
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617 os_name,os_version,os_arch = osinfo |
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618 os_arch = _java_getprop('java.os.arch',os_arch) |
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619 os_name = _java_getprop('java.os.name',os_name) |
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620 os_version = _java_getprop('java.os.version',os_version) |
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621 osinfo = os_name,os_version,os_arch |
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622 |
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623 return release,vendor,vminfo,osinfo |
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624 |
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625 ### System name aliasing |
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626 |
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627 def system_alias(system,release,version): |
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628 |
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629 """ Returns (system,release,version) aliased to common |
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630 marketing names used for some systems. |
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631 |
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632 It also does some reordering of the information in some cases |
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633 where it would otherwise cause confusion. |
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634 |
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635 """ |
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636 if system == 'Rhapsody': |
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637 # Apple's BSD derivative |
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638 # XXX How can we determine the marketing release number ? |
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639 return 'MacOS X Server',system+release,version |
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640 |
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641 elif system == 'SunOS': |
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642 # Sun's OS |
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643 if release < '5': |
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644 # These releases use the old name SunOS |
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645 return system,release,version |
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646 # Modify release (marketing release = SunOS release - 3) |
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647 l = string.split(release,'.') |
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648 if l: |
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649 try: |
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650 major = int(l[0]) |
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651 except ValueError: |
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652 pass |
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653 else: |
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654 major = major - 3 |
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655 l[0] = str(major) |
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656 release = string.join(l,'.') |
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657 if release < '6': |
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658 system = 'Solaris' |
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659 else: |
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660 # XXX Whatever the new SunOS marketing name is... |
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661 system = 'Solaris' |
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662 |
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663 elif system == 'IRIX64': |
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664 # IRIX reports IRIX64 on platforms with 64-bit support; yet it |
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665 # is really a version and not a different platform, since 32-bit |
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666 # apps are also supported.. |
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667 system = 'IRIX' |
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668 if version: |
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669 version = version + ' (64bit)' |
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670 else: |
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671 version = '64bit' |
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672 |
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673 elif system in ('win32','win16'): |
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674 # In case one of the other tricks |
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675 system = 'Windows' |
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676 |
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677 return system,release,version |
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678 |
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679 ### Various internal helpers |
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680 |
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681 def _platform(*args): |
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682 |
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683 """ Helper to format the platform string in a filename |
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684 compatible format e.g. "system-version-machine". |
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685 """ |
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686 # Format the platform string |
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687 platform = string.join( |
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688 map(string.strip, |
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689 filter(len,args)), |
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690 '-') |
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691 |
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692 # Cleanup some possible filename obstacles... |
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693 replace = string.replace |
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694 platform = replace(platform,' ','_') |
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695 platform = replace(platform,'/','-') |
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696 platform = replace(platform,'\\','-') |
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697 platform = replace(platform,':','-') |
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698 platform = replace(platform,';','-') |
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699 platform = replace(platform,'"','-') |
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700 platform = replace(platform,'(','-') |
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701 platform = replace(platform,')','-') |
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702 |
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703 # No need to report 'unkown' information... |
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704 platform = replace(platform,'unknown','') |
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705 |
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706 # Fold '--'s and remove trailing '-' |
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707 while 1: |
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708 cleaned = replace(platform,'--','-') |
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709 if cleaned == platform: |
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710 break |
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711 platform = cleaned |
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712 while platform[-1] == '-': |
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713 platform = platform[:-1] |
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|
714 |
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|
715 return platform |
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|
716 |
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717 def _node(default=''): |
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|
718 |
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719 """ Helper to determine the node name of this machine. |
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720 """ |
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721 try: |
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722 import socket |
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723 except ImportError: |
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724 # No sockets... |
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|
725 return default |
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726 try: |
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|
727 return socket.gethostname() |
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728 except socket.error: |
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729 # Still not working... |
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|
730 return default |
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|
731 |
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732 # os.path.abspath is new in Python 1.5.2: |
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733 if not hasattr(os.path,'abspath'): |
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734 |
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735 def _abspath(path, |
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736 |
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737 isabs=os.path.isabs,join=os.path.join,getcwd=os.getcwd, |
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738 normpath=os.path.normpath): |
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|
739 |
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740 if not isabs(path): |
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741 path = join(getcwd(), path) |
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|
742 return normpath(path) |
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|
743 |
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744 else: |
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|
745 |
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746 _abspath = os.path.abspath |
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747 |
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748 def _follow_symlinks(filepath): |
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749 |
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750 """ In case filepath is a symlink, follow it until a |
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751 real file is reached. |
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|
752 """ |
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753 filepath = _abspath(filepath) |
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|
754 while os.path.islink(filepath): |
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|
755 filepath = os.path.normpath( |
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756 os.path.join(filepath,os.readlink(filepath))) |
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757 return filepath |
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758 |
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759 def _syscmd_uname(option,default=''): |
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760 |
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761 """ Interface to the system's uname command. |
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762 """ |
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763 if sys.platform in ('dos','win32','win16','os2'): |
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764 # XXX Others too ? |
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765 return default |
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|
766 try: |
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767 f = os.popen('uname %s 2> /dev/null' % option) |
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768 except (AttributeError,os.error): |
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|
769 return default |
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770 output = string.strip(f.read()) |
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771 rc = f.close() |
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|
772 if not output or rc: |
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|
773 return default |
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|
774 else: |
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|
775 return output |
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|
776 |
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|
777 def _syscmd_file(target,default=''): |
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|
778 |
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|
779 """ Interface to the system's file command. |
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|
780 |
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781 The function uses the -b option of the file command to have it |
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782 ommit the filename in its output and if possible the -L option |
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783 to have the command follow symlinks. It returns default in |
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|
784 case the command should fail. |
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|
785 |
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|
786 """ |
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|
787 target = _follow_symlinks(target) |
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|
788 try: |
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|
789 f = os.popen('file %s 2> /dev/null' % target) |
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|
790 except (AttributeError,os.error): |
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|
791 return default |
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|
792 output = string.strip(f.read()) |
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|
793 rc = f.close() |
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|
794 if not output or rc: |
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|
795 return default |
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|
796 else: |
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|
797 return output |
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|
798 |
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|
799 ### Information about the used architecture |
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|
800 |
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|
801 # Default values for architecture; non-empty strings override the |
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802 # defaults given as parameters |
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|
803 _default_architecture = { |
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|
804 'win32': ('','WindowsPE'), |
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|
805 'win16': ('','Windows'), |
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|
806 'dos': ('','MSDOS'), |
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|
807 } |
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changeset
|
808 |
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|
809 def architecture(executable=sys.executable,bits='',linkage='', |
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changeset
|
810 |
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|
811 split=re.compile('[\s,]').split): |
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|
812 |
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|
813 """ Queries the given executable (defaults to the Python interpreter |
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|
814 binary) for various architecture informations. |
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|
815 |
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|
816 Returns a tuple (bits,linkage) which contain information about |
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|
817 the bit architecture and the linkage format used for the |
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|
818 executable. Both values are returned as strings. |
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|
819 |
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|
820 Values that cannot be determined are returned as given by the |
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|
821 parameter presets. If bits is given as '', the sizeof(pointer) |
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|
822 (or sizeof(long) on Python version < 1.5.2) is used as |
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|
823 indicator for the supported pointer size. |
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|
824 |
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|
825 The function relies on the system's "file" command to do the |
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|
826 actual work. This is available on most if not all Unix |
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827 platforms. On some non-Unix platforms and then only if the |
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828 executable points to the Python interpreter defaults from |
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|
829 _default_architecture are used. |
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|
830 |
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|
831 """ |
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|
832 # Use the sizeof(pointer) as default number of bits if nothing |
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833 # else is given as default. |
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|
834 if not bits: |
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|
835 import struct |
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|
836 try: |
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|
837 size = struct.calcsize('P') |
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|
838 except struct.error: |
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|
839 # Older installations can only query longs |
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840 size = struct.calcsize('l') |
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841 bits = str(size*8) + 'bit' |
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|
842 |
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|
843 # Get data from the 'file' system command |
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|
844 output = _syscmd_file(executable,'') |
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|
845 |
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|
846 if not output and \ |
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|
847 executable == sys.executable: |
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848 # "file" command did not return anything; we'll try to provide |
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849 # some sensible defaults then... |
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850 if _default_architecture.has_key(sys.platform): |
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851 b,l = _default_architecture[sys.platform] |
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|
852 if b: |
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853 bits = b |
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854 if l: |
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|
855 linkage = l |
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856 return bits,linkage |
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857 |
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|
858 # Split the output into a list of strings omitting the filename |
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859 fileout = split(output)[1:] |
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|
860 |
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861 if 'executable' not in fileout: |
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862 # Format not supported |
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863 return bits,linkage |
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|
864 |
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|
865 # Bits |
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diff
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|
866 if '32-bit' in fileout: |
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diff
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|
867 bits = '32bit' |
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diff
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|
868 elif 'N32' in fileout: |
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diff
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|
869 # On Irix only |
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diff
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|
870 bits = 'n32bit' |
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diff
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|
871 elif '64-bit' in fileout: |
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|
872 bits = '64bit' |
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|
873 |
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|
874 # Linkage |
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|
875 if 'ELF' in fileout: |
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|
876 linkage = 'ELF' |
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|
877 elif 'PE' in fileout: |
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diff
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|
878 # E.g. Windows uses this format |
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diff
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|
879 if 'Windows' in fileout: |
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|
880 linkage = 'WindowsPE' |
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|
881 else: |
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|
882 linkage = 'PE' |
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|
883 elif 'COFF' in fileout: |
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|
884 linkage = 'COFF' |
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|
885 elif 'MS-DOS' in fileout: |
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|
886 linkage = 'MSDOS' |
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|
887 else: |
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|
888 # XXX the A.OUT format also falls under this class... |
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|
889 pass |
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diff
changeset
|
890 |
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|
891 return bits,linkage |
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changeset
|
892 |
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diff
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|
893 ### Portable uname() interface |
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|
894 |
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|
895 _uname_cache = None |
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|
896 |
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diff
changeset
|
897 def uname(): |
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diff
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|
898 |
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|
899 """ Fairly portable uname interface. Returns a tuple |
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|
900 of strings (system,node,release,version,machine,processor) |
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diff
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|
901 identifying the underlying platform. |
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diff
changeset
|
902 |
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diff
changeset
|
903 Note that unlike the os.uname function this also returns |
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diff
changeset
|
904 possible processor information as additional tuple entry. |
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diff
changeset
|
905 |
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diff
changeset
|
906 Entries which cannot be determined are set to ''. |
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diff
changeset
|
907 |
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parents:
diff
changeset
|
908 """ |
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diff
changeset
|
909 global _uname_cache |
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diff
changeset
|
910 |
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diff
changeset
|
911 if _uname_cache is not None: |
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diff
changeset
|
912 return _uname_cache |
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diff
changeset
|
913 |
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diff
changeset
|
914 # Get some infos from the builtin os.uname API... |
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diff
changeset
|
915 try: |
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diff
changeset
|
916 system,node,release,version,machine = os.uname() |
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diff
changeset
|
917 |
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diff
changeset
|
918 except AttributeError: |
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parents:
diff
changeset
|
919 # Hmm, no uname... we'll have to poke around the system then. |
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diff
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|
920 system = sys.platform |
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diff
changeset
|
921 release = '' |
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parents:
diff
changeset
|
922 version = '' |
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parents:
diff
changeset
|
923 node = _node() |
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parents:
diff
changeset
|
924 machine = '' |
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parents:
diff
changeset
|
925 processor = '' |
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parents:
diff
changeset
|
926 use_syscmd_ver = 1 |
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diff
changeset
|
927 |
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parents:
diff
changeset
|
928 # Try win32_ver() on win32 platforms |
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sirebral
parents:
diff
changeset
|
929 if system == 'win32': |
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sirebral
parents:
diff
changeset
|
930 release,version,csd,ptype = win32_ver() |
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sirebral
parents:
diff
changeset
|
931 if release and version: |
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parents:
diff
changeset
|
932 use_syscmd_ver = 0 |
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diff
changeset
|
933 |
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diff
changeset
|
934 # Try the 'ver' system command available on some |
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diff
changeset
|
935 # platforms |
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diff
changeset
|
936 if use_syscmd_ver: |
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parents:
diff
changeset
|
937 system,release,version = _syscmd_ver(system) |
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diff
changeset
|
938 |
4385a7d0efd1
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sirebral
parents:
diff
changeset
|
939 # In case we still don't know anything useful, we'll try to |
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parents:
diff
changeset
|
940 # help ourselves |
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sirebral
parents:
diff
changeset
|
941 if system in ('win32','win16'): |
4385a7d0efd1
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sirebral
parents:
diff
changeset
|
942 if not version: |
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parents:
diff
changeset
|
943 if system == 'win32': |
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sirebral
parents:
diff
changeset
|
944 version = '32bit' |
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parents:
diff
changeset
|
945 else: |
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sirebral
parents:
diff
changeset
|
946 version = '16bit' |
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sirebral
parents:
diff
changeset
|
947 system = 'Windows' |
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sirebral
parents:
diff
changeset
|
948 |
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parents:
diff
changeset
|
949 elif system[:4] == 'java': |
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sirebral
parents:
diff
changeset
|
950 release,vendor,vminfo,osinfo = java_ver() |
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sirebral
parents:
diff
changeset
|
951 system = 'Java' |
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sirebral
parents:
diff
changeset
|
952 version = string.join(vminfo,', ') |
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sirebral
parents:
diff
changeset
|
953 if not version: |
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sirebral
parents:
diff
changeset
|
954 version = vendor |
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parents:
diff
changeset
|
955 |
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parents:
diff
changeset
|
956 elif os.name == 'mac': |
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sirebral
parents:
diff
changeset
|
957 release,(version,stage,nonrel),machine = mac_ver() |
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sirebral
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diff
changeset
|
958 system = 'MacOS' |
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sirebral
parents:
diff
changeset
|
959 |
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sirebral
parents:
diff
changeset
|
960 else: |
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parents:
diff
changeset
|
961 # System specific extensions |
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diff
changeset
|
962 if system == 'OpenVMS': |
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diff
changeset
|
963 # OpenVMS seems to have release and version mixed up |
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sirebral
parents:
diff
changeset
|
964 if not release or release == '0': |
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sirebral
parents:
diff
changeset
|
965 release = version |
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parents:
diff
changeset
|
966 version = '' |
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diff
changeset
|
967 # Get processor information |
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diff
changeset
|
968 try: |
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parents:
diff
changeset
|
969 import vms_lib |
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parents:
diff
changeset
|
970 except ImportError: |
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parents:
diff
changeset
|
971 pass |
4385a7d0efd1
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sirebral
parents:
diff
changeset
|
972 else: |
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sirebral
parents:
diff
changeset
|
973 csid, cpu_number = vms_lib.getsyi('SYI$_CPU',0) |
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diff
changeset
|
974 if (cpu_number >= 128): |
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diff
changeset
|
975 processor = 'Alpha' |
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diff
changeset
|
976 else: |
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parents:
diff
changeset
|
977 processor = 'VAX' |
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diff
changeset
|
978 else: |
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diff
changeset
|
979 # Get processor information from the uname system command |
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changeset
|
980 processor = _syscmd_uname('-p','') |
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parents:
diff
changeset
|
981 |
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parents:
diff
changeset
|
982 # 'unkown' is not really any useful as information; we'll convert |
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diff
changeset
|
983 # it to '' which is more portable |
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diff
changeset
|
984 if system == 'unknown': |
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sirebral
parents:
diff
changeset
|
985 system = '' |
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sirebral
parents:
diff
changeset
|
986 if node == 'unknown': |
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sirebral
parents:
diff
changeset
|
987 node = '' |
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sirebral
parents:
diff
changeset
|
988 if release == 'unknown': |
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sirebral
parents:
diff
changeset
|
989 release = '' |
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sirebral
parents:
diff
changeset
|
990 if version == 'unknown': |
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sirebral
parents:
diff
changeset
|
991 version = '' |
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sirebral
parents:
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992 if machine == 'unknown': |
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993 machine = '' |
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994 if processor == 'unknown': |
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995 processor = '' |
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996 _uname_cache = system,node,release,version,machine,processor |
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997 return _uname_cache |
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998 |
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999 ### Direct interfaces to some of the uname() return values |
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1000 |
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1001 def system(): |
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1002 |
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1003 """ Returns the system/OS name, e.g. 'Linux', 'Windows' or 'Java'. |
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1004 |
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1005 An empty string is returned if the value cannot be determined. |
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1006 |
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1007 """ |
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1008 return uname()[0] |
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1009 |
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1010 def node(): |
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1011 |
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1012 """ Returns the computer's network name (may not be fully qualified !) |
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1013 |
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1014 An empty string is returned if the value cannot be determined. |
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1015 |
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1016 """ |
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1017 return uname()[1] |
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1018 |
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1019 def release(): |
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1020 |
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1021 """ Returns the system's release, e.g. '2.2.0' or 'NT' |
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1022 |
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1023 An empty string is returned if the value cannot be determined. |
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1024 |
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1025 """ |
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1026 return uname()[2] |
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1027 |
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1028 def version(): |
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1029 |
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1030 """ Returns the system's release version, e.g. '#3 on degas' |
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1031 |
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1032 An empty string is returned if the value cannot be determined. |
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1033 |
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|
1034 """ |
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1035 return uname()[3] |
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1036 |
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1037 def machine(): |
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1038 |
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1039 """ Returns the machine type, e.g. 'i386' |
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1040 |
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1041 An empty string is returned if the value cannot be determined. |
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|
1042 |
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|
1043 """ |
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1044 return uname()[4] |
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1045 |
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1046 def processor(): |
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|
1047 |
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1048 """ Returns the (True) processor name, e.g. 'amdk6' |
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1049 |
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1050 An empty string is returned if the value cannot be |
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1051 determined. Note that many platforms do not provide this |
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1052 information or simply return the same value as for machine(), |
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1053 e.g. NetBSD does this. |
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1054 |
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1055 """ |
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1056 return uname()[5] |
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|
1057 |
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1058 ### Various APIs for extracting information from sys.version |
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1059 |
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1060 _sys_version_parser = re.compile('([\w.+]+)\s*' |
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1061 '\(#(\d+),\s*([\w ]+),\s*([\w :]+)\)\s*' |
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1062 '\[([^\]]+)\]?') |
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1063 _sys_version_cache = None |
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1064 |
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1065 def _sys_version(): |
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1066 |
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1067 """ Returns a parsed version of Python's sys.version as tuple |
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1068 (version, buildno, builddate, compiler) referring to the Python |
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1069 version, build number, build date/time as string and the compiler |
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1070 identification string. |
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1071 |
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1072 Note that unlike the Python sys.version, the returned value |
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1073 for the Python version will always include the patchlevel (it |
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1074 defaults to '.0'). |
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1075 |
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1076 """ |
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1077 global _sys_version_cache |
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1078 import sys, re, time |
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1079 |
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1080 if _sys_version_cache is not None: |
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1081 return _sys_version_cache |
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1082 version, buildno, builddate, buildtime, compiler = \ |
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1083 _sys_version_parser.match(sys.version).groups() |
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1084 buildno = int(buildno) |
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1085 builddate = builddate + ' ' + buildtime |
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1086 l = string.split(version, '.') |
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1087 if len(l) == 2: |
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1088 l.append('0') |
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1089 version = string.join(l, '.') |
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1090 _sys_version_cache = (version, buildno, builddate, compiler) |
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1091 return _sys_version_cache |
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1092 |
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1093 def python_version(): |
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1094 |
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1095 """ Returns the Python version as string 'major.minor.patchlevel' |
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1096 |
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1097 Note that unlike the Python sys.version, the returned value |
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1098 will always include the patchlevel (it defaults to 0). |
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1099 |
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1100 """ |
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1101 return _sys_version()[0] |
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1102 |
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1103 def python_build(): |
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1104 |
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1105 """ Returns a tuple (buildno, buildate) stating the Python |
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1106 build number and date as strings. |
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1107 |
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1108 """ |
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1109 return _sys_version()[1:3] |
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1110 |
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1111 def python_compiler(): |
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1112 |
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1113 """ Returns a string identifying the compiler used for compiling |
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1114 Python. |
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1115 |
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1116 """ |
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1117 return _sys_version()[3] |
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1118 |
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1119 ### The Opus Magnum of platform strings :-) |
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1120 |
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1121 _platform_cache = None |
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1122 _platform_aliased_cache = None |
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1123 |
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1124 def platform(aliased=0, terse=0): |
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1125 |
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1126 """ Returns a single string identifying the underlying platform |
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1127 with as much useful information as possible (but no more :). |
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1128 |
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1129 The output is intended to be human readable rather than |
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1130 machine parseable. It may look different on different |
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1131 platforms and this is intended. |
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1132 |
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1133 If "aliased" is True, the function will use aliases for |
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1134 various platforms that report system names which differ from |
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1135 their common names, e.g. SunOS will be reported as |
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1136 Solaris. The system_alias() function is used to implement |
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1137 this. |
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1138 |
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1139 Setting terse to True causes the function to return only the |
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1140 absolute minimum information needed to identify the platform. |
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1141 |
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1142 """ |
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1143 global _platform_cache,_platform_aliased_cache |
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1144 |
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1145 if not aliased and (_platform_cache is not None): |
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1146 return _platform_cache |
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1147 elif _platform_aliased_cache is not None: |
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1148 return _platform_aliased_cache |
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1149 |
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1150 # Get uname information and then apply platform specific cosmetics |
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1151 # to it... |
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1152 system,node,release,version,machine,processor = uname() |
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1153 if machine == processor: |
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1154 processor = '' |
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1155 if aliased: |
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1156 system,release,version = system_alias(system,release,version) |
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1157 |
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1158 if system == 'Windows': |
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1159 # MS platforms |
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1160 rel,vers,csd,ptype = win32_ver(version) |
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1161 if terse: |
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1162 platform = _platform(system,release) |
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1163 else: |
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1164 platform = _platform(system,release,version,csd) |
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1165 |
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1166 elif system in ('Linux',): |
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1167 # Linux based systems |
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1168 distname,distversion,distid = dist('') |
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1169 if distname and not terse: |
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1170 platform = _platform(system,release,machine,processor, |
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1171 'with', |
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1172 distname,distversion,distid) |
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1173 else: |
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1174 # If the distribution name is unknown check for libc vs. glibc |
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1175 libcname,libcversion = libc_ver(sys.executable) |
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1176 platform = _platform(system,release,machine,processor, |
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1177 'with', |
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1178 libcname+libcversion) |
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1179 elif system == 'Java': |
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1180 # Java platforms |
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1181 r,v,vminfo,(os_name,os_version,os_arch) = java_ver() |
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1182 if terse: |
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1183 platform = _platform(system,release,version) |
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1184 else: |
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1185 platform = _platform(system,release,version, |
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1186 'on', |
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1187 os_name,os_version,os_arch) |
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1188 |
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1189 elif system == 'MacOS': |
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1190 # MacOS platforms |
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1191 if terse: |
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1192 platform = _platform(system,release) |
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1193 else: |
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1194 platform = _platform(system,release,machine) |
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1195 |
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1196 else: |
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1197 # Generic handler |
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1198 if terse: |
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1199 platform = _platform(system,release) |
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1200 else: |
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1201 bits,linkage = architecture(sys.executable) |
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1202 platform = _platform(system,release,machine,processor,bits,linkage) |
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1203 |
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1204 if aliased: |
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1205 _platform_aliased_cache = platform |
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1206 elif terse: |
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1207 pass |
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1208 else: |
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1209 _platform_cache = platform |
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1210 return platform |
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1211 |
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1212 if __name__ == '__main__': |
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1213 # Default is to print the aliased verbose platform string |
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1214 terse = ('terse' in sys.argv or '--terse' in sys.argv) |
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1215 aliased = (not 'nonaliased' in sys.argv and not '--nonaliased' in sys.argv) |
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1216 print platform(aliased,terse) |
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1217 sys.exit(0) |