bin/install_megadrivers.py

   1 #!/usr/bin/env python3
   2 # encoding=utf-8
   3 # Copyright 2017-2018 Intel Corporation
   4
   5 # Permission is hereby granted, free of charge, to any person obtaining a copy
   6 # of this software and associated documentation files (the "Software"), to deal
   7 # in the Software without restriction, including without limitation the rights
   8 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9 # copies of the Software, and to permit persons to whom the Software is
  10 # furnished to do so, subject to the following conditions:
  11
  12 # The above copyright notice and this permission notice shall be included in
  13 # all copies or substantial portions of the Software.
  14
  15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21 # SOFTWARE.
  22
  23 """Script to install megadriver symlinks for meson."""
  24
  25 import argparse
  26 import os
  27
  28
  29 def resolve_libdir(libdir):
  30     if os.path.isabs(libdir):
  31         destdir = os.environ.get('DESTDIR')
  32         if destdir:
  33             return os.path.join(destdir, libdir[1:])
  34         else:
  35             return libdir
  36     return os.path.join(os.environ['MESON_INSTALL_DESTDIR_PREFIX'], libdir)
  37
  38
  39 def main():
  40     parser = argparse.ArgumentParser()
  41     parser.add_argument('megadriver')
  42     parser.add_argument('libdir')
  43     parser.add_argument('drivers', nargs='+')
  44     parser.add_argument('--megadriver-libdir')
  45     parser.add_argument('--libname-suffix', required=True)
  46     args = parser.parse_args()
  47
  48     # Not neccesarily at the end, there might be a version suffix, but let's
  49     # make sure that the same suffix is in the megadriver lib name.
  50     assert '.' + args.libname_suffix in args.megadriver
  51
  52     to = resolve_libdir(args.libdir)
  53     if args.megadriver_libdir:
  54         md_to = resolve_libdir(args.megadriver_libdir)
  55     else:
  56         md_to = to
  57
  58     basename = os.path.basename(args.megadriver)
  59     master = os.path.join(to, basename)
  60
  61     if not os.path.exists(to):
  62         if os.path.lexists(to):
  63             os.unlink(to)
  64         os.makedirs(to)
  65
  66     for driver in args.drivers:
  67         abs_driver = os.path.join(to, driver)
  68
  69         if os.path.lexists(abs_driver):
  70             os.unlink(abs_driver)
  71
  72         symlink = os.path.relpath(os.path.join(md_to, basename), start=to)
  73
  74         print(f'Installing symlink pointing to {symlink} to {abs_driver}')
  75         os.symlink(symlink, abs_driver)
  76
  77         try:
  78             ret = os.getcwd()
  79             os.chdir(to)
  80
  81             name, ext = os.path.splitext(driver)
  82             while ext != '.' + args.libname_suffix:
  83                 if os.path.lexists(name):
  84                     os.unlink(name)
  85                 os.symlink(driver, name)
  86                 name, ext = os.path.splitext(name)
  87         finally:
  88             os.chdir(ret)
  89
  90     # Remove meson-created symlinks
  91     name, ext = os.path.splitext(master)
  92     while ext != '.' + args.libname_suffix:
  93         if os.path.lexists(name):
  94             os.unlink(name)
  95         name, ext = os.path.splitext(name)
  96
  97
  98 if __name__ == '__main__':
  99     main()