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# SPDX-FileCopyrightText: 2019 yuzu Emulator Project
# SPDX-License-Identifier: GPL-2.0-or-later
import pefile
import sys
import re
import os
import queue
import shutil
# constant definitions
KNOWN_SYS_DLLS = ['WINMM.DLL', 'MSVCRT.DLL', 'VERSION.DLL', 'MPR.DLL',
'DWMAPI.DLL', 'UXTHEME.DLL', 'DNSAPI.DLL', 'IPHLPAPI.DLL']
# below is for Ubuntu 18.04 with specified PPA enabled, if you are using
# other distro or different repositories, change the following accordingly
DLL_PATH = [
'/usr/x86_64-w64-mingw32/bin/',
'/usr/x86_64-w64-mingw32/lib/',
'/usr/lib/gcc/x86_64-w64-mingw32/7.3-posix/'
]
missing = []
def parse_imports(file_name):
results = []
pe = pefile.PE(file_name, fast_load=True)
pe.parse_data_directories()
for entry in pe.DIRECTORY_ENTRY_IMPORT:
current = entry.dll.decode()
current_u = current.upper() # b/c Windows is often case insensitive
# here we filter out system dlls
# dll w/ names like *32.dll are likely to be system dlls
if current_u.upper() not in KNOWN_SYS_DLLS and not re.match(string=current_u, pattern=r'.*32\.DLL'):
results.append(current)
return results
def parse_imports_recursive(file_name, path_list=[]):
q = queue.Queue() # create a FIFO queue
# file_name can be a string or a list for the convience
if isinstance(file_name, str):
q.put(file_name)
elif isinstance(file_name, list):
for i in file_name:
q.put(i)
full_list = []
while q.qsize():
current = q.get_nowait()
print('> %s' % current)
deps = parse_imports(current)
# if this dll does not have any import, ignore it
if not deps:
continue
for dep in deps:
# the dependency already included in the list, skip
if dep in full_list:
continue
# find the requested dll in the provided paths
full_path = find_dll(dep)
if not full_path:
missing.append(dep)
continue
full_list.append(dep)
q.put(full_path)
path_list.append(full_path)
return full_list
def find_dll(name):
for path in DLL_PATH:
for root, _, files in os.walk(path):
for f in files:
if name.lower() == f.lower():
return os.path.join(root, f)
def deploy(name, dst, dry_run=False):
dlls_path = []
parse_imports_recursive(name, dlls_path)
for dll_entry in dlls_path:
if not dry_run:
shutil.copy(dll_entry, dst)
else:
print('[Dry-Run] Copy %s to %s' % (dll_entry, dst))
print('Deploy completed.')
return dlls_path
def main():
if len(sys.argv) < 3:
print('Usage: %s [files to examine ...] [target deploy directory]')
return 1
to_deploy = sys.argv[1:-1]
tgt_dir = sys.argv[-1]
if not os.path.isdir(tgt_dir):
print('%s is not a directory.' % tgt_dir)
return 1
print('Scanning dependencies...')
deploy(to_deploy, tgt_dir)
if missing:
print('Following DLLs are not found: %s' % ('\n'.join(missing)))
return 0
if __name__ == '__main__':
main()
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