1#!/usr/bin/env python
  2from __future__ import print_function
  3import argparse
  4import errno
  5import os
  6import re
  7import shutil
  8import subprocess
  9
 10qtPath = None
 11verbose = False
 12
 13def splitPath(path):
 14	folders = []
 15	while True:
 16		path, folder = os.path.split(path)
 17		if folder != '':
 18			folders.append(folder)
 19		else:
 20			if path != '':
 21				folders.append(path)
 22			break
 23	folders.reverse()
 24	return folders
 25
 26def joinPath(path):
 27	return reduce(os.path.join, path, '')
 28
 29def findFramework(path):
 30	child = []
 31	while path and not path[-1].endswith('.framework'):
 32		child.append(path.pop())
 33	child.reverse()
 34	return path, child
 35
 36def findQtPath(path):
 37	parent, child = findFramework(splitPath(path))
 38	return joinPath(parent[:-2])
 39
 40def makedirs(path):
 41	split = splitPath(path)
 42	accum = []
 43	split.reverse()
 44	while split:
 45		accum.append(split.pop())
 46		newPath = joinPath(accum)
 47		if newPath == '/':
 48			continue
 49		try:
 50			os.mkdir(newPath)
 51		except OSError as e:
 52			if e.errno != errno.EEXIST:
 53				raise
 54
 55
 56def parseOtoolLine(line, execPath, root):
 57	if not line.startswith('\t'):
 58		return None, None, None, None
 59	line = line[1:]
 60	match = re.match(r'(\S.*) \(compatibility version.*\)', line)
 61	path = match.group(1)
 62	split = splitPath(path)
 63	newExecPath = ['@executable_path', '..', 'Frameworks']
 64	newPath = execPath[:-1]
 65	newPath.append('Frameworks')
 66	if split[:3] == ['/', 'usr', 'lib'] or split[:2] == ['/', 'System']:
 67		return None, None, None, None
 68	if split[0] == '@executable_path':
 69		split[:1] = execPath
 70	if split[0] == '/' and not os.access(joinPath(split), os.F_OK):
 71		split[:1] = root
 72	oldPath = os.path.realpath(joinPath(split))
 73	split = splitPath(oldPath)
 74	isFramework = False
 75	if not split[-1].endswith('.dylib'):
 76		isFramework = True
 77		split, framework = findFramework(split)
 78	newPath.append(split[-1])
 79	newExecPath.append(split[-1])
 80	if isFramework:
 81		newPath.extend(framework)
 82		newExecPath.extend(framework)
 83		split.extend(framework)
 84	newPath = joinPath(newPath)
 85	newExecPath = joinPath(newExecPath)
 86	return joinPath(split), newPath, path, newExecPath
 87
 88def updateMachO(bin, execPath, root):
 89	global qtPath
 90	otoolOutput = subprocess.check_output([otool, '-L', bin])
 91	toUpdate = []
 92	for line in otoolOutput.split('\n'):
 93		oldPath, newPath, oldExecPath, newExecPath = parseOtoolLine(line, execPath, root)
 94		if not newPath:
 95			continue
 96		if os.access(newPath, os.F_OK):
 97			if verbose:
 98				print('Skipping copying {}, already done.'.format(oldPath))
 99			newPath = None
100		elif os.path.abspath(oldPath) != os.path.abspath(newPath):
101			if verbose:
102				print('Copying {} to {}...'.format(oldPath, newPath))
103			parent, child = os.path.split(newPath)
104			makedirs(parent)
105			shutil.copy2(oldPath, newPath)
106			os.chmod(newPath, 0o644)
107		toUpdate.append((newPath, oldExecPath, newExecPath))
108		if not qtPath and 'Qt' in oldPath:
109			qtPath = findQtPath(oldPath)
110			if verbose:
111				print('Found Qt path at {}.'.format(qtPath))
112	args = [installNameTool]
113	for path, oldExecPath, newExecPath in toUpdate:
114		if path != bin:
115			if path:
116				updateMachO(path, execPath, root)
117			if verbose:
118				print('Updating Mach-O load from {} to {}...'.format(oldExecPath, newExecPath))
119			args.extend(['-change', oldExecPath, newExecPath])
120		else:
121			if verbose:
122				print('Updating Mach-O id from {} to {}...'.format(oldExecPath, newExecPath))
123			args.extend(['-id', newExecPath])
124	args.append(bin)
125	subprocess.check_call(args)
126
127if __name__ == '__main__':
128	parser = argparse.ArgumentParser()
129	parser.add_argument('-R', '--root', metavar='ROOT', default='/', help='root directory to search')
130	parser.add_argument('-I', '--install-name-tool', metavar='INSTALL_NAME_TOOL', default='install_name_tool', help='path to install_name_tool')
131	parser.add_argument('-O', '--otool', metavar='OTOOL', default='otool', help='path to otool')
132	parser.add_argument('-p', '--qt-plugins', metavar='PLUGINS', default='', help='Qt plugins to include (comma-separated)')
133	parser.add_argument('-v', '--verbose', action='store_true', default=False, help='output more information')
134	parser.add_argument('bundle', help='application bundle to deploy')
135	args = parser.parse_args()
136
137	otool = args.otool
138	installNameTool = args.install_name_tool
139	verbose = args.verbose
140
141	try:
142		shutil.rmtree(os.path.join(args.bundle, 'Contents/Frameworks/'))
143	except OSError as e:
144		if e.errno != errno.ENOENT:
145			raise
146
147	for executable in os.listdir(os.path.join(args.bundle, 'Contents/MacOS')):
148		if executable.endswith('.dSYM'):
149			continue
150		fullPath = os.path.join(args.bundle, 'Contents/MacOS/', executable)
151		updateMachO(fullPath, splitPath(os.path.join(args.bundle, 'Contents/MacOS')), splitPath(args.root))
152	if args.qt_plugins:
153		try:
154			shutil.rmtree(os.path.join(args.bundle, 'Contents/PlugIns/'))
155		except OSError as e:
156			if e.errno != errno.ENOENT:
157				raise
158		makedirs(os.path.join(args.bundle, 'Contents/PlugIns'))
159		makedirs(os.path.join(args.bundle, 'Contents/Resources'))
160		with open(os.path.join(args.bundle, 'Contents/Resources/qt.conf'), 'w') as conf:
161			conf.write('[Paths]\nPlugins = PlugIns\n')
162		plugins = args.qt_plugins.split(',')
163		for plugin in plugins:
164			plugin = plugin.strip()
165			kind, plug = os.path.split(plugin)
166			newDir = os.path.join(args.bundle, 'Contents/PlugIns/', kind)
167			makedirs(newDir)
168			newPath = os.path.join(newDir, plug)
169			shutil.copy2(os.path.join(qtPath, 'plugins', plugin), newPath)
170			updateMachO(newPath, splitPath(os.path.join(args.bundle, 'Contents/MacOS')), splitPath(args.root))