SCons/Tool/MSCommon/netframework.py

   1 # MIT License
   2 #
   3 # Copyright The SCons Foundation
   4 #
   5 # Permission is hereby granted, free of charge, to any person obtaining
   6 # a copy of this software and associated documentation files (the
   7 # "Software"), to deal in the Software without restriction, including
   8 # without limitation the rights to use, copy, modify, merge, publish,
   9 # distribute, sublicense, and/or sell copies of the Software, and to
  10 # permit persons to whom the Software is furnished to do so, subject to
  11 # the following conditions:
  12 #
  13 # The above copyright notice and this permission notice shall be included
  14 # in all copies or substantial portions of the Software.
  15 #
  16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  17 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  18 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23
  24 """
  25 MS Compilers: .Net Framework support
  26 """
  27
  28 import os
  29 import re
  30
  31 from .common import read_reg, debug
  32
  33 # Original value recorded by dcournapeau
  34 _FRAMEWORKDIR_HKEY_ROOT = r'Software\Microsoft\.NETFramework\InstallRoot'
  35 # On SGK's system
  36 _FRAMEWORKDIR_HKEY_ROOT = r'Software\Microsoft\Microsoft SDKs\.NETFramework\v2.0\InstallationFolder'
  37
  38 def find_framework_root():
  39     # XXX: find it from environment (FrameworkDir)
  40     try:
  41         froot = read_reg(_FRAMEWORKDIR_HKEY_ROOT)
  42         debug("Found framework install root in registry: %s", froot)
  43     except OSError:
  44         debug("Could not read reg key %s", _FRAMEWORKDIR_HKEY_ROOT)
  45         return None
  46
  47     if not os.path.exists(froot):
  48         debug("%s not found on fs", froot)
  49         return None
  50
  51     return froot
  52
  53 def query_versions():
  54     froot = find_framework_root()
  55     if froot:
  56         contents = os.listdir(froot)
  57
  58         l = re.compile('v[0-9]+.*')
  59         versions = [e for e in contents if l.match(e)]
  60
  61         def versrt(a,b):
  62             # since version numbers aren't really floats...
  63             aa = a[1:]
  64             bb = b[1:]
  65             aal = aa.split('.')
  66             bbl = bb.split('.')
  67             # sequence comparison in python is lexicographical
  68             # which is exactly what we want.
  69             # Note we sort backwards so the highest version is first.
  70             return (aal > bbl) - (aal < bbl)
  71
  72         versions.sort(versrt)
  73     else:
  74         versions = []
  75
  76     return versions
  77
  78 # Local Variables:
  79 # tab-width:4
  80 # indent-tabs-mode:nil
  81 # End:
  82 # vim: set expandtab tabstop=4 shiftwidth=4: