Aegisub/tools/osx-fix-libs.py

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#!/usr/bin/env python3
import re
import sys
import os
import shutil
import stat
import subprocess
is_bad_lib = re.compile(r'(/usr/local|/opt)').match
is_sys_lib = re.compile(r'(/usr|/System)').match
otool_libname_extract = re.compile(r'\s+(/.*?)[(\s:]').search
otool_loader_path_extract = re.compile(r'\s+@loader_path/(.*?)[(\s:]').search
goodlist = []
badlist = []
link_map = {}
def otool(cmdline):
with subprocess.Popen(['otool'] + cmdline, stdout=subprocess.PIPE,
encoding='utf-8') as p:
return p.stdout.readlines()
def collectlibs(lib, masterlist, targetdir):
global goodlist, link_map
liblist = otool(['-L', lib])
locallist = []
for l in liblist:
lr = otool_libname_extract(l)
if lr:
l = lr.group(1)
else:
lr = otool_loader_path_extract(l)
if lr:
l = os.path.join(os.path.dirname(lib), lr.group(1))
else:
continue
if is_bad_lib(l) and l not in badlist:
badlist.append(l)
if ((not is_sys_lib(l)) or is_bad_lib(l)) and l not in masterlist:
locallist.append(l)
print("found %s:" % l)
check = l
link_list = []
while check:
basename = os.path.basename(check)
target = os.path.join(targetdir, basename)
if os.path.isfile(check) and not os.path.islink(check):
try:
shutil.copy(check, target)
except PermissionError:
print(" FILE %s ... skipped" % check)
break
print(" FILE %s ... copied to target" % check)
if link_list:
for link in link_list:
link_map[link] = basename
break
if os.path.islink(check):
link_dst = os.readlink(check)
try:
os.symlink(link_dst, target)
except FileExistsError:
print(" LINK %s ... existed" % check)
break
print(" LINK %s ... copied to target" % check)
link_list.append(basename)
check = os.path.join(os.path.dirname(check), link_dst)
elif l not in goodlist and l not in masterlist:
goodlist.append(l)
masterlist.extend(locallist)
for l in locallist:
collectlibs(l, masterlist, targetdir)
if __name__ == '__main__':
binname = sys.argv[1]
targetdir = os.path.dirname(binname)
print("Searching for libraries in", binname, "...")
libs = [binname]
collectlibs(binname, libs, targetdir)
print()
print("System libraries used...")
goodlist.sort()
for l in goodlist:
print(l)
print()
print("Fixing library install names...")
in_tool_cmdline = ['install_name_tool']
for lib in libs:
libbase = os.path.basename(lib)
if libbase in link_map:
libbase = link_map[libbase]
in_tool_cmdline = in_tool_cmdline + ['-change', lib,
'@executable_path/' + libbase]
for lib in libs:
libbase = os.path.basename(lib)
if libbase in link_map:
libbase = link_map[libbase]
print("%s -> @executable_path/%s (REMAPPED)" % (lib, libbase))
else:
print("%s -> @executable_path/%s" % (lib, libbase))
targetlib = targetdir + '/' + libbase
orig_permission = os.stat(targetlib).st_mode
if not(orig_permission & stat.S_IWUSR):
os.chmod(targetlib, orig_permission | stat.S_IWUSR)
subprocess.run(in_tool_cmdline + ['-id', '@executable_path/' + libbase,
targetlib])
if not(orig_permission & stat.S_IWUSR):
os.chmod(targetlib, orig_permission)
if badlist:
print()
print("WARNING: The following libraries have blacklisted paths:")
for lib in sorted(badlist):
print(lib)
print(
"These paths normally have files from a package manager, which means that end result may not work if copied to another machine.")
print()
print("All done!")