xemu/get_deps.py
2019-01-28 20:48:47 -07:00

59 lines
1.9 KiB
Python
Executable File

#!/usr/bin/env python
"""
This script is used to collect all available DLLs
"""
from __future__ import print_function
import os
import os.path
import platform
import subprocess
import shutil
import sys
import argparse
def main():
ap = argparse.ArgumentParser()
ap.add_argument('prog')
ap.add_argument('dest')
args = ap.parse_args()
if not os.path.exists(args.dest):
os.mkdir(args.dest)
elif not os.path.isdir(args.dest):
print('File exists with destination name')
sys.exit(1)
try:
subprocess.check_output(['cygpath', '--help'])
except OSError as err:
print("Couldn't execute cygpath (Reason: '%s')." % err)
print("Make sure you're using a recent version of MSYS2 and that it works correctly.")
sys.exit(1)
sout = subprocess.check_output(['ldd', args.prog]).decode('utf-8')
for line in sout.splitlines():
line = line.strip().split()
dll_name, dll_path, dll_load_addr = line[0], line[2], line[3]
if dll_name.startswith('???'):
print('Unknown DLL?')
continue
# ldd on msys gives Unix-style paths, but mingw Python wants them Windows-style
# Use cygpath to convert the paths, because both mingw and msys Python can handle them
dll_path = subprocess.check_output(['cygpath', '-w', dll_path]).decode('utf-8').strip()
if dll_path.lower().startswith('c:\\windows'):
print('Skipping system DLL %s' % dll_path)
continue
dest_path = os.path.join(args.dest, dll_name)
if os.path.normcase(os.path.realpath(dll_path)) == os.path.normcase(os.path.realpath(dest_path)):
# If the DLL is already in the same folder as the executable,
# ldd will return the path to that DLL and copyfile will raise an exception
# because we try to copy a file over itself
print('DLL %s is already next to executable. Skipping copy.' % dll_name)
else:
print('Copying %s...' % dll_path)
shutil.copyfile(dll_path, dest_path)
if __name__ == '__main__':
main()