site_scons/SConsRevision.py

   1 # SPDX-License-Identifier: MIT
   2 #
   3 # Copyright The SCons Foundation
   4
   5 import os
   6
   7 def SCons_revision(target, source, env):
   8     """Interpolate specific values from the environment into a file.
   9
  10     This is used to copy files into a tree that gets packaged up
  11     into the source file package.
  12     """
  13     t = str(target[0])
  14     s = source[0].rstr()
  15
  16     try:
  17         with open(s) as fp:
  18             contents = fp.read()
  19
  20
  21         # Note:  We construct the __*__ substitution strings here
  22         # so that they don't get replaced when this file gets
  23         # copied into the tree for packaging.
  24         contents = contents.replace('__BUILD'     + '__', env['BUILD'])
  25         contents = contents.replace('__BUILDSYS'  + '__', env['BUILDSYS'])
  26         contents = contents.replace('__COPYRIGHT' + '__', env['COPYRIGHT'])
  27         contents = contents.replace('__DATE'      + '__', env['DATE'])
  28         contents = contents.replace('__DEB_DATE'  + '__', env['DEB_DATE'])
  29
  30         contents = contents.replace('__DEVELOPER' + '__', env['DEVELOPER'])
  31         contents = contents.replace('__FILE'      + '__', str(source[0]).replace('\\', '/'))
  32         contents = contents.replace('__MONTH_YEAR'+ '__', env['MONTH_YEAR'])
  33         contents = contents.replace('__REVISION'  + '__', env['REVISION'])
  34         contents = contents.replace('__VERSION'   + '__', env['VERSION'])
  35         contents = contents.replace('__NULL'      + '__', '')
  36
  37         with open(t,'w') as of:
  38             of.write(contents)
  39     except UnicodeDecodeError as e:
  40         print("Error decoding file:%s just copying no revision edit")
  41         with open(s, 'rb') as fp, open(t, 'wb') as of:
  42             contents = fp.read()
  43             of.write(contents)
  44
  45
  46     os.chmod(t, os.stat(s)[0])