# 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 mozfile 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): if sys.platform == "win32": mozfile.remove(targetpath) else: 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:]))