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copydlldeps: PEP 8-ize 

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
This commit is contained in:
Timothy Gu 2014-11-09 14:10:56 -05:00
parent b733d508e6
commit 28e089fcad
1 changed files with 33 additions and 16 deletions
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49
tools/copydlldeps.py
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@ -57,7 +57,8 @@ def get_imports(file):
sections = []
for i in range(number_of_sections):
section_descriptor_data = f.read(40)
name, size, va, rawsize, offset = struct.unpack('<8sLLLL', section_descriptor_data[:24])
name, size, va, rawsize, offset = \
struct.unpack('<8sLLLL', section_descriptor_data[:24])
sections.append({'min': va, 'max': va+rawsize, 'offset': offset})
def seek_to_rva(rva):
@ -67,8 +68,8 @@ def get_imports(file):
return
raise ValueError('Could not find section for RVA.')
# Walk the import table and get RVAs to the null-terminated names of DLLs this file uses.
# The table is terminated by an all-zero entry.
# Walk the import table and get RVAs to the null-terminated names of DLLs
# this file uses. The table is terminated by an all-zero entry.
seek_to_rva(rva_of_import_table)
dll_rvas = []
while True:
@ -94,7 +95,8 @@ def get_imports(file):
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser(description='Recursive copy of DLL dependencies')
parser = argparse.ArgumentParser(
description='Recursive copy of DLL dependencies')
parser.add_argument('targetdir',
type=str,
help='target directory where to place the DLLs')
@ -105,7 +107,9 @@ if __name__ == "__main__":
nargs='+',
default=[],
required=True,
help='directories whose dependencies must be fulfilled. All PE files will be checked (mostly .exe and .dll files)',
help='directories whose dependencies must be ' +
'fulfilled. All PE files will be checked ' +
'(mostly .exe and .dll files)',
dest='checkdirs')
parser.add_argument('-L',
'--libdir',
@ -114,27 +118,37 @@ if __name__ == "__main__":
nargs='+',
default=[],
required=True,
help='include directories to search for DLL dependencies (only .dll files will be used from here)',
help='include directories to search for DLL ' +
'dependencies (only .dll files will be used ' +
'from here)',
dest='libdirs')
args = parser.parse_args()
if sys.version_info < (3, 0):
from sets import Set as set
available_dlls = dict() #map from shortname ('qtcore4.dll') to full path (eg. '/.../mxe/i686-w64-mingw32.shared/qt/bin/QtCore4.dll')
copied_dlls = set() #remember already copied DLLs (eg 'qtcore4.dll', 'qtgui4.dll')
dlls_to_copy = set() #remember which DLLs must still be checked (eg 'qtnetwork4.dll', 'qtgui4.dll')
# Map from shortname ('qtcore4.dll') to full path (eg.
# '/.../mxe/i686-w64-mingw32.shared/qt/bin/QtCore4.dll')
available_dlls = dict()
# Remember already copied DLLs (eg 'qtcore4.dll', 'qtgui4.dll')
copied_dlls = set()
# Remember which DLLs must still be checked (eg 'qtnetwork4.dll',
# 'qtgui4.dll')
dlls_to_copy = set()
not_found_dlls = set()
#create a list of all available .dll files in the libdir directories
for libdir in [item for sublist in args.libdirs for item in sublist]: #flatten list: http://stackoverflow.com/questions/952914
# Create a list of all available .dll files in the libdir directories
# Flattening list: http://stackoverflow.com/questions/952914
for libdir in [item for sublist in args.libdirs for item in sublist]:
for dll_filename in os.listdir(libdir):
dll_filename_full = os.path.join(libdir, dll_filename)
if dll_filename.endswith('.dll') and is_pe_file(dll_filename_full):
available_dlls[dll_filename.lower()] = dll_filename_full
#create a list of initial dependencies (dlls_to_copy) and already copied DLLs (copied_dlls) from the checkdir arguments
for checkdir in [item for sublist in args.checkdirs for item in sublist]: #flatten list: http://stackoverflow.com/questions/952914
# Create a list of initial dependencies (dlls_to_copy) and already copied
# DLLs (copied_dlls) from the checkdir arguments.
# Flattening list: http://stackoverflow.com/questions/952914
for checkdir in [item for sublist in args.checkdirs for item in sublist]:
for pe_filename in os.listdir(checkdir):
pe_filename_full = os.path.join(checkdir, pe_filename)
if is_pe_file(pe_filename_full):
@ -144,17 +158,20 @@ if __name__ == "__main__":
copied_dlls.add(pe_filename.lower())
while len(dlls_to_copy):
for dll_to_copy in dlls_to_copy.copy(): #we may not change the set during iteration
# We may not change the set during iteration
for dll_to_copy in dlls_to_copy.copy():
if dll_to_copy in copied_dlls:
None
elif dll_to_copy in not_found_dlls:
None
elif dll_to_copy in available_dlls:
shutil.copyfile(available_dlls[dll_to_copy], os.path.join( args.targetdir, os.path.basename(available_dlls[dll_to_copy]) ) )
shutil.copyfile(available_dlls[dll_to_copy],
os.path.join(args.targetdir,
os.path.basename(available_dlls[dll_to_copy])))
copied_dlls.add(dll_to_copy.lower())
for dependency_dll in get_imports(available_dlls[dll_to_copy]):
dlls_to_copy.add(dependency_dll.lower())
else:
not_found_dlls.add(dll_to_copy)
dlls_to_copy.remove(dll_to_copy)
print("missing dll files: " + ", ".join(not_found_dlls))
print("Missing dll files: " + ", ".join(not_found_dlls))