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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
# 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",
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
options.m = int(options.m, 8)
sys.stderr.write('nsinstall: {0} is not a valid mode\n'
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
if mode:
os.makedirs(dir, mode)
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
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:
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
# we're supposed to copy files
def handleTarget(srcpath, targetpath):
if os.path.isdir(srcpath):
if not os.path.exists(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)
if os.path.exists(targetpath):
# On Windows, read-only files can't be deleted
if sys.platform == "win32":
os.chmod(targetpath, stat.S_IWUSR)
if options.t:
shutil.copy2(srcpath, targetpath)
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
# <>. 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]
# 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]
argv = [unicode(arg) for arg in sys.argv]