scripts/scons.py

   1 #! /usr/bin/env python
   2 #
   3 # SCons - a Software Constructor
   4 #
   5 # MIT License
   6 #
   7 # Copyright The SCons Foundation
   8 #
   9 # Permission is hereby granted, free of charge, to any person obtaining
  10 # a copy of this software and associated documentation files (the
  11 # "Software"), to deal in the Software without restriction, including
  12 # without limitation the rights to use, copy, modify, merge, publish,
  13 # distribute, sublicense, and/or sell copies of the Software, and to
  14 # permit persons to whom the Software is furnished to do so, subject to
  15 # the following conditions:
  16 #
  17 # The above copyright notice and this permission notice shall be included
  18 # in all copies or substantial portions of the Software.
  19 #
  20 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  21 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  22 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
  27
  28 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  29
  30 __version__ = "__VERSION__"
  31
  32 __build__ = "__BUILD__"
  33
  34 __buildsys__ = "__BUILDSYS__"
  35
  36 __date__ = "__DATE__"
  37
  38 __developer__ = "__DEVELOPER__"
  39
  40
  41 import os
  42 import sys
  43
  44 # Python compatibility check
  45 if sys.version_info < (3, 7, 0):
  46     msg = "scons: *** SCons version %s does not run under Python version %s.\n\
  47 Python >= 3.7.0 is required.\n"
  48     sys.stderr.write(msg % (__version__, sys.version.split()[0]))
  49     sys.exit(1)
  50
  51 # Strip the script directory from sys.path so on case-insensitive
  52 # (WIN32) systems Python doesn't think that the "scons" script is the
  53 # "SCons" package.
  54 script_dir = os.path.dirname(os.path.realpath(__file__))
  55 script_path = os.path.realpath(os.path.dirname(__file__))
  56 if script_path in sys.path:
  57     sys.path.remove(script_path)
  58
  59 libs = []
  60
  61 if "SCONS_LIB_DIR" in os.environ:
  62     libs.append(os.environ["SCONS_LIB_DIR"])
  63
  64 # running from source takes 2nd priority (since 2.3.2), following SCONS_LIB_DIR
  65 source_path = os.path.join(script_path, os.pardir)
  66 if os.path.isdir(source_path):
  67     libs.append(source_path)
  68
  69 # add local-install locations
  70 local_version = 'scons-local-' + __version__
  71 local = 'scons-local'
  72 if script_dir:
  73     local_version = os.path.join(script_dir, local_version)
  74     local = os.path.join(script_dir, local)
  75 if os.path.isdir(local_version):
  76     libs.append(os.path.abspath(local_version))
  77 if os.path.isdir(local):
  78     libs.append(os.path.abspath(local))
  79
  80 sys.path = libs + sys.path
  81
  82 ##############################################################################
  83 # END STANDARD SCons SCRIPT HEADER
  84 ##############################################################################
  85
  86 if __name__ == "__main__":
  87     try:
  88         import SCons.Script
  89     except ImportError:
  90         sys.stderr.write("SCons import failed. Unable to find engine files in:\n")
  91         for path in libs:
  92             sys.stderr.write("  {}\n".format(path))
  93         raise
  94
  95     # this does all the work, and calls sys.exit
  96     # with the proper exit status when done.
  97     SCons.Script.main()
  98
  99 # Local Variables:
 100 # tab-width:4
 101 # indent-tabs-mode:nil
 102 # End:
 103 # vim: set expandtab tabstop=4 shiftwidth=4: