Added scrapper.py and parse_save.py

This commit is contained in:
Earthnuker 2017-10-08 01:35:50 +02:00
parent c47f063eb9
commit bdd4cf59c1
2 changed files with 237 additions and 0 deletions

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parse_save.py Normal file
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from construct import *
from pprint import pprint
ScrapSaveStr = Struct(
'length'/Int32ul,
'data'/String(this.length,encoding='utf-8'),
)
ScrapSaveVar = Struct(
'v_name_size'/Int32ul,
'v_name'/String(lambda ctx: ctx.v_name_size,encoding='utf-8'),
'v_data_size'/Int32ul,
'v_data'/String(lambda ctx: ctx.v_data_size,encoding='utf-8'),
)
ScrapSave = 'ScarpSaveGame'/Struct(
'title'/ScrapSaveStr,
'id'/ScrapSaveStr,
'num_vars'/Int32ul,
'data'/ScrapSaveVar[this.num_vars],
Terminated
)
with open("Save0.sav", 'rb') as sav_file:
save = ScrapSave.parse_stream(sav_file)
pprint(save)
#for block in save.data:
# print("{}: {}".format(block.v_name, block.v_data))

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scrapper.py Normal file
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import argparse
from collections import OrderedDict
import configparser
import glob
import os
import shutil
from construct import *
from tqdm import tqdm
setglobalstringencoding(None)
def find_file(name):
global scrap_dir
for folder in glob.glob(os.path.join(scrap_dir, 'extracted', '*.packed')):
for root, folders, files in os.walk(folder):
for filename in files:
path = os.path.join(root, filename)
if filename == name:
yield path
def get_config(conf_parse, section, var, default=None):
return conf_parse[section].get(var, default)
def patch_config(path, section, var, value):
config = configparser.ConfigParser()
config.read(path)
if get_config(config, section, var) == value:
return
config[section][var] = value
with open(path, 'w') as conf:
config.write(conf)
return True
def enable_debug_console_gui():
'''enable debug console (GUI)'''
for path in find_file('m3d.ini'):
print('Found', path)
return patch_config(path, 'video', 'ConsolaWnd', 'SI')
def enable_debug_console_txt():
'''enable debug console (Text Mode)'''
path = "Test"
for path in find_file('m3d.ini'):
print('Found', path)
return patch_config(path, 'video', 'ConsolaTxt', 'SI')
print(path)
patches = [
enable_debug_console_gui,
enable_debug_console_txt,
]
def yn(prompt, default='n'):
c = ['y', 'n']
default = default.lower()
assert default in c
c[c.index(default)] = c[c.index(default)].upper()
prompt += ' ({}) '.format('/'.join(c))
return (input(prompt) or default).lower()[0] == 'y'
ScrapFile = Struct(
'path'/PascalString(Int32ul),
'size'/Int32ul,
'offset'/Int32ul,
'data'/OnDemandPointer(this.offset,Bytes(this.size)),
)
DummyFile = Struct(
'path'/PascalString(Int32ul),
'size'/Int32ul,
'offset'/Int32ul,
)
PackedHeader = Struct(
Const(b'BFPK'),
Const(b'\0\0\0\0'),
'files_cnt'/Rebuild(Int32ul,len_(this.files)),
'files'/ScrapFile[this.files_cnt],
'offset'/Tell,
)
DummyHeader = Struct(
Const(b'BFPK'),
Const(b'\0\0\0\0'),
'files_cnt'/Rebuild(Int32ul,len_(this.files)),
'files'/DummyFile[this.files_cnt],
'offset'/Tell,
)
parser = argparse.ArgumentParser(description='Unpack and Repack .packed files')
parser.add_argument('-u', '--unpack', action='store_true',
help='unpack file to \'extracted\' directory')
parser.add_argument('-r', '--repack', action='store_true',
help='repack file from \'extracted\' directory')
parser.add_argument('-p', '--patch', action='store_true',
help='apply a premade patch')
parser.add_argument(
'--reset',
action='store_true',
default=False,
help='restore backup')
parser.add_argument(
'scrap_dir',
metavar='Scrapland Directory',
type=str,
help='Scrapland installation directory')
options = parser.parse_args()
scrap_dir = os.path.abspath(options.scrap_dir)
if options.reset:
print('Restoring Backups and removing extracted folder...')
for packed_file in glob.glob(os.path.join(scrap_dir, '*.packed.bak')):
outfile = os.path.basename(packed_file)
orig_filename = outfile[:-4]
if os.path.isfile(outfile):
print('deleting', orig_filename)
os.remove(orig_filename)
print('moving', outfile, '->', orig_filename)
shutil.move(outfile, orig_filename)
target_folder = os.path.join(
'extracted', os.path.basename(orig_filename))
print('deleting', target_folder)
shutil.rmtree(target_folder)
if os.path.isdir('extracted'):
input('Press enter to remove rest of extracted folder')
shutil.rmtree('extracted')
exit('Done!')
if not (options.unpack or options.repack or options.patch):
parser.print_help()
exit()
pstatus = ''
if options.unpack:
if os.path.isdir('extracted'):
print("Removing extracted folder")
shutil.rmtree('extracted')
for packed_file in glob.glob(os.path.join(scrap_dir, '*.packed')):
os.chdir(scrap_dir)
BN=os.path.basename(packed_file)
target_folder = os.path.join(
'extracted', os.path.basename(packed_file))
os.makedirs(target_folder, exist_ok=True)
os.chdir(target_folder)
print('Unpacking {}'.format(os.path.basename(packed_file)))
with open(packed_file, 'rb') as pkfile:
data = PackedHeader.parse_stream(pkfile)
print("Offset:",hex(data.offset))
for file in tqdm(data.files,ascii=True):
folder, filename = os.path.split(file.path)
if folder:
os.makedirs(folder, exist_ok=True)
with open(file.path, 'wb') as outfile:
outfile.write(file.data())
print('\r' + ' ' * len(pstatus) + '\r', end='', flush=True)
os.chdir(scrap_dir)
if (options.unpack and options.repack) and not options.patch:
#input('Press enter to rebuild *.packed files from folders in \'extracted\' dir...') # noqa
pass
if options.patch:
print()
print("Enter Nothing to continue")
for n, patch in enumerate(patches, 1):
print('{}. {}'.format(n, patch.__doc__.strip()))
while 1:
n = input('Patch to apply: ')
if not n:
break
n = int(n) - 1
if 0 <= n < len(patches):
res = patches[n]()
if res is True:
print('Applied Succesfully!')
elif res is None:
print('Already applied.')
elif res is False:
print('Error')
print()
def file_gen(files,offset=0):
for real_path,size,path in files:
file=dict(
path=path,
offset=offset,
size=size)
yield file
offset+=file['size']
def make_header(files,offset=0):
files_list=list(file_gen(files,offset))
return DummyHeader.build(dict(files=files_list))
if options.repack:
for folder in glob.glob(os.path.join(scrap_dir, 'extracted', '*.packed')):
data=[]
filename=os.path.join(scrap_dir,os.path.basename(folder))
for root,folders,files in os.walk(folder):
for file in sorted(files):
file=os.path.join(root,file)
rel_path=bytes(file.replace(folder, '').replace('\\', '/').lstrip('/'), 'windows-1252')
size=os.stat(file).st_size
data.append((file,size,rel_path))
print("Found {} files for {}".format(len(data),filename))
offset=len(make_header(data))
print("Writing",filename)
header=make_header(data,offset)
with open(filename,"wb") as outfile:
outfile.write(header)
for file,size,rel_path in tqdm(data,ascii=True):
outfile.write(open(file,"rb").read())
print('Done!')