config/expandlibs_gen.py

   1 # This Source Code Form is subject to the terms of the Mozilla Public
   2 # License, v. 2.0. If a copy of the MPL was not distributed with this
   3 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   4
   5 '''Given a list of object files and library names, prints a library
   6 descriptor to standard output'''
   7
   8 from __future__ import with_statement
   9 import sys
  10 import os
  11 import expandlibs_config as conf
  12 from expandlibs import LibDescriptor, isObject, ensureParentDir, ExpandLibsDeps
  13 from optparse import OptionParser
  14
  15 def generate(args):
  16     desc = LibDescriptor()
  17     for arg in args:
  18         if isObject(arg):
  19             if os.path.exists(arg):
  20                 desc['OBJS'].append(os.path.abspath(arg))
  21             else:
  22                 raise Exception("File not found: %s" % arg)
  23         elif os.path.splitext(arg)[1] == conf.LIB_SUFFIX:
  24             if os.path.exists(arg) or os.path.exists(arg + conf.LIBS_DESC_SUFFIX):
  25                 desc['LIBS'].append(os.path.abspath(arg))
  26             else:
  27                 raise Exception("File not found: %s" % arg)
  28     return desc
  29
  30 if __name__ == '__main__':
  31     parser = OptionParser()
  32     parser.add_option("--depend", dest="depend", metavar="FILE",
  33         help="generate dependencies for the given execution and store it in the given file")
  34     parser.add_option("-o", dest="output", metavar="FILE",
  35         help="send output to the given file")
  36
  37     (options, args) = parser.parse_args()
  38     if not options.output:
  39         raise Exception("Missing option: -o")
  40
  41     ensureParentDir(options.output)
  42     with open(options.output, 'w') as outfile:
  43         print >>outfile, generate(args)
  44     if options.depend:
  45         ensureParentDir(options.depend)
  46         with open(options.depend, 'w') as depfile:
  47             depfile.write("%s : %s\n" % (options.output, ' '.join(ExpandLibsDeps(args))))