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from linecache import cache
import re
import subprocess
import sys
import pathlib
import os
import shutil
class OtoolRunner:
cache = {}
search_paths = []
def __init__(self, paths):
self.search_paths = paths
def resolve(self, file):
for path in self.search_paths:
fullpath = os.path.join(path, file)
if os.path.exists(fullpath):
return fullpath
return None
def _is_system_lib(self, path):
return path.startswith('/System/Library/') or path.startswith('/usr/lib/')
def run(self, file):
if file in self.cache:
return self.cache[file]
result = {
'input': file,
'dependencies': [],
'rpath': []
}
print('Processing ' + file)
fileName = file.split('/')[-1]
with subprocess.Popen(['otool', '-L', file], stdout=subprocess.PIPE) as p:
for bline in p.stdout.readlines():
line = bline.decode('utf-8')
m = re.match(r'\s+(.*)\s+\(', line)
if m:
lib_line = m.group(1)
if lib_line.startswith('@') or not self._is_system_lib(lib_line):
name = lib_line.split('/')[-1]
if name != fileName:
path = self.resolve(name)
if path:
result['dependencies'].append({
'line': lib_line,
'name': name,
'path': path
})
with subprocess.Popen(['otool', '-l', file], stdout=subprocess.PIPE) as p:
lines = [line.decode('utf-8').strip() for line in p.stdout.readlines()]
for line_index in range(len(lines)):
if lines[line_index] == 'cmd LC_RPATH':
rpath_match = re.match(r'path\s+(.*)\s+\(', lines[line_index + 2])
if rpath_match:
rpath = rpath_match.group(1)
result['rpath'].append(rpath)
line_index = line_index + 1
cache[file] = result
return result
def parse_args():
args = {
'include_dirs': []
}
argsCount = len(sys.argv)
argIndex = 1
while argIndex < argsCount:
value = sys.argv[argIndex]
argIndex = argIndex + 1
if value == '-i':
args['include_dirs'].append(sys.argv[argIndex])
argIndex = argIndex + 1
elif value == '-o':
args['output'] = sys.argv[argIndex]
argIndex = argIndex + 1
else:
args['input'] = value
return args
def collect_dependencies(runner, input_file):
files = {}
stack = [ input_file ]
while len(stack) > 0:
file = stack.pop()
if file in files:
continue
result = runner.run(file)
files[file] = result
for lib in result['dependencies']:
stack.append(lib['path'])
return files
def add_rpath(file, rpath):
if rpath in file['rpath']:
return []
return ['-add_rpath', rpath]
args = parse_args()
print('============== fixup.libs.py')
print(args)
print('============================')
otool = OtoolRunner(args['include_dirs'])
files = collect_dependencies(otool, args['input'])
for path in files:
file = files[path]
if path != args['input']:
target_path = os.path.join(args['output'], path.split('/')[-1])
print("Copying {} -> {}".format(path, target_path))
shutil.copy2(path, target_path, follow_symlinks=True)
path = target_path
install_name_tool = [
'install_name_tool',
]
for dep in file['dependencies']:
old_line = dep['line']
new_line = "@rpath/{}".format(dep['name'])
if old_line != new_line:
install_name_tool = install_name_tool + [
'-change', old_line, new_line
]
if len(install_name_tool) > 1:
install_name_tool = install_name_tool + \
add_rpath(file, '@executable_path/../Frameworks') + \
add_rpath(file, '@loader_path')
install_name_tool.append(path)
print("Patching {}".format(path))
try:
subprocess.run(install_name_tool, capture_output=True, check=True, text=True)
except subprocess.CalledProcessError as err:
print(f'=========\ninstall_name_tool failed with code {err.returncode}\n\tstdout: {err.stdout}\n\tstderr: {err.stderr}\n=========')
if err.returncode == -9:
print("install_name_tool was killed. Retrying with x86_64 architecture...")
install_name_tool = ["arch", "-arch", "x86_64"] + install_name_tool
try:
subprocess.run(install_name_tool, capture_output=True, check=True, text=True)
except subprocess.CalledProcessError as inner_err:
print(f'=========\ninstall_name_tool failed with code {inner_err.returncode}\n\tstdout: {inner_err.stdout}\n\tstderr: {inner_err.stderr}\n=========')
exit(1)
else:
exit(1)
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