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 # This Source Code Form is subject to the terms of the Mozilla Public

 # License, v. 2.0. If a copy of the MPL was not distributed with this

 # file, You can obtain one at http://mozilla.org/MPL/2.0/.

 # This is a partial python port of nsinstall.

 # It's intended to be used when there's no natively compile nsinstall

 # available, and doesn't intend to be fully equivalent.

 # Its major use is for l10n repackaging on systems that don't have

 # a full build environment set up.

 # The basic limitation is, it doesn't even try to link and ignores

 # all related options.

 from __future__ import print_function

 from optparse import OptionParser

 import os

 import os.path

 import sys

 import shutil

 import stat

 def _nsinstall_internal(argv):

   usage = "usage: %prog [options] arg1 [arg2 ...] target-directory"

   p = OptionParser(usage=usage)

   p.add_option('-D', action="store_true",

                help="Create a single directory only")

   p.add_option('-t', action="store_true",

                help="Preserve time stamp")

   p.add_option('-m', action="store",

                help="Set mode", metavar="mode")

   p.add_option('-d', action="store_true",

                help="Create directories in target")

   p.add_option('-R', action="store_true",

                help="Use relative symbolic links (ignored)")

   p.add_option('-L', action="store", metavar="linkprefix",

                help="Link prefix (ignored)")

   p.add_option('-X', action="append", metavar="file",

                help="Ignore a file when installing a directory recursively.")

   # The remaining arguments are not used in our tree, thus they're not

   # implented.

   def BadArg(option, opt, value, parser):

     parser.error('option not supported: {0}'.format(opt))

   p.add_option('-C', action="callback", metavar="CWD",

                callback=BadArg,

                help="NOT SUPPORTED")

   p.add_option('-o', action="callback", callback=BadArg,

                help="Set owner (NOT SUPPORTED)", metavar="owner")

   p.add_option('-g', action="callback", callback=BadArg,

                help="Set group (NOT SUPPORTED)", metavar="group")

   (options, args) = p.parse_args(argv)

   if options.m:

     # mode is specified

     try:

       options.m = int(options.m, 8)

     except:

       sys.stderr.write('nsinstall: {0} is not a valid mode\n'

                        .format(options.m))

       return 1

   # just create one directory?

   def maybe_create_dir(dir, mode, try_again):

     dir = os.path.abspath(dir)

     if os.path.exists(dir):

       if not os.path.isdir(dir):

         print('nsinstall: {0} is not a directory'.format(dir), file=sys.stderr)

         return 1

       if mode:

         os.chmod(dir, mode)

       return 0

     try:

       if mode:

         os.makedirs(dir, mode)

       else:

         os.makedirs(dir)

     except Exception as e:

       # We might have hit EEXIST due to a race condition (see bug 463411) -- try again once

       if try_again:

         return maybe_create_dir(dir, mode, False)

       print("nsinstall: failed to create directory {0}: {1}".format(dir, e))

       return 1

     else:

       return 0

   if options.X:

     options.X = [os.path.abspath(p) for p in options.X]

   if options.D:

     return maybe_create_dir(args[0], options.m, True)

   # nsinstall arg1 [...] directory

   if len(args) < 2:

     p.error('not enough arguments')

   def copy_all_entries(entries, target):

     for e in entries:

       e = os.path.abspath(e)

       if options.X and e in options.X:

         continue

       dest = os.path.join(target, os.path.basename(e))

       dest = os.path.abspath(dest)

       handleTarget(e, dest)

       if options.m:

         os.chmod(dest, options.m)

   # set up handler

   if options.d:

     # we're supposed to create directories

     def handleTarget(srcpath, targetpath):

       # target directory was already created, just use mkdir

       os.mkdir(targetpath)

   else:

     # we're supposed to copy files

     def handleTarget(srcpath, targetpath):

       if os.path.isdir(srcpath):

         if not os.path.exists(targetpath):

           os.mkdir(targetpath)

         entries = [os.path.join(srcpath, e) for e in os.listdir(srcpath)]

         copy_all_entries(entries, targetpath)

         # options.t is not relevant for directories

         if options.m:

           os.chmod(targetpath, options.m)

       else:

         if os.path.exists(targetpath):

           # On Windows, read-only files can't be deleted

           os.chmod(targetpath, stat.S_IWUSR)

           os.remove(targetpath)

         if options.t:

           shutil.copy2(srcpath, targetpath)

         else:

           shutil.copy(srcpath, targetpath)

   # the last argument is the target directory

   target = args.pop()

   # ensure target directory (importantly, we do not apply a mode to the directory

   # because we want to copy files into it and the mode might be read-only)

   rv = maybe_create_dir(target, None, True)

   if rv != 0:

     return rv

   copy_all_entries(args, target)

   return 0

 # nsinstall as a native command is always UTF-8

 def nsinstall(argv):

   return _nsinstall_internal([unicode(arg, "utf-8") for arg in argv])

 if __name__ == '__main__':

   # sys.argv corrupts characters outside the system code page on Windows

   # <http://bugs.python.org/issue2128>. Use ctypes instead. This is also

   # useful because switching to Unicode strings makes python use the wide

   # Windows APIs, which is what we want here since the wide APIs normally do a

   # better job at handling long paths and such.

   if sys.platform == "win32":

     import ctypes

     from ctypes import wintypes

     GetCommandLine = ctypes.windll.kernel32.GetCommandLineW

     GetCommandLine.argtypes = []

     GetCommandLine.restype = wintypes.LPWSTR

     CommandLineToArgv = ctypes.windll.shell32.CommandLineToArgvW

     CommandLineToArgv.argtypes = [wintypes.LPWSTR, ctypes.POINTER(ctypes.c_int)]

     CommandLineToArgv.restype = ctypes.POINTER(wintypes.LPWSTR)

     argc = ctypes.c_int(0)

     argv_arr = CommandLineToArgv(GetCommandLine(), ctypes.byref(argc))

     # The first argv will be "python", the second will be the .py file

     argv = argv_arr[1:argc.value]

   else:

     # For consistency, do it on Unix as well

     if sys.stdin.encoding is not None:

       argv = [unicode(arg, sys.stdin.encoding) for arg in sys.argv]

     else:

       argv = [unicode(arg) for arg in sys.argv]

   sys.exit(_nsinstall_internal(argv[1:]))