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Copy pathAssetsManager.py
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231 lines (199 loc) · 8.25 KB
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import io
import logging
import os
from zipfile import ZipFile
from .EndianBinaryReader import EndianBinaryReader
from .Progress import Progress
from .files import BundleFile, SerializedFile, WebFile
from .helpers import ImportHelper
FileType = ImportHelper.FileType
# create logger
logger = logging.getLogger("UnityPy")
logger.setLevel(logging.DEBUG)
# create console handler and set level to debug
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)
# create formatter
formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
# add formatter to ch
ch.setFormatter(formatter)
# add ch to logger
logger.addHandler(ch)
class AssetsManager:
assets: dict
resource_file_readers: dict
import_files: dict
Progress: Progress
def __init__(self, *args):
self.assets = {}
self.resource_file_readers = {}
self.import_files = {}
self.Progress = Progress()
if args:
for arg in args:
if isinstance(arg, str):
if os.path.isfile(arg):
if os.path.splitext(arg)[-1] in [".apk", ".zip"]:
self.load_zip_file(arg)
else:
self.load_file(arg)
elif os.path.isdir(arg):
self.load_folder(arg)
else:
self.load_file(arg)
def load_files(self, files: list):
"""Loads all files (list) into the AssetsManager and merges .split files for common usage."""
path = os.path.dirname(files[0])
ImportHelper.merge_split_assets(path)
to_read_file = ImportHelper.processing_split_files(files)
self.load(to_read_file)
def load_folder(self, path: str):
"""Loads all files in the given path and its subdirs into the AssetsManager."""
ImportHelper.merge_split_assets(path, True)
files = ImportHelper.list_all_files(path)
to_read_file = ImportHelper.processing_split_files(files)
self.load(to_read_file)
def load(self, files: list):
"""Loads all files into the AssetsManager."""
for f in files:
self.import_files[os.path.basename(f)] = f
self.Progress.reset()
# use a for loop because list size can change
for i, f in enumerate(self.import_files.values()):
self.load_file(f)
self.Progress.report(i + 1, len(self.import_files))
def load_file(self, full_name: str = "", data=None):
typ, reader = ImportHelper.check_file_type(data if data else full_name)
if not full_name:
full_name = str(data)[:256]
if typ == FileType.AssetsFile:
self.load_assets_file(full_name, reader)
elif typ == FileType.BundleFile:
self.load_bundle_file(full_name, reader)
elif typ == FileType.WebFile:
self.load_web_file(full_name, reader)
elif typ == FileType.ZIP:
self.load_zip_file(reader.stream)
def load_zip_file(self, value):
buffer = None
if isinstance(value, str) and os.path.exists(value):
buffer = open(value, "rb")
elif isinstance(value, (bytes, bytearray)):
buffer = ZipFile(io.BytesIO(value))
elif isinstance(value, (io.BufferedReader, io.BufferedIOBase)):
buffer = value
z = ZipFile(buffer)
for path in z.namelist():
self.load_file(path, z.open(path).read())
def load_assets_file(self, full_name: str, reader: EndianBinaryReader):
file_name = os.path.basename(full_name)
if file_name not in self.assets:
logging.info(f"Loading {full_name}")
try:
assets_file = SerializedFile(self, full_name, reader)
self.assets[assets_file.name] = assets_file
for sharedFile in assets_file._externals:
shared_file_path = os.path.join(
os.path.dirname(full_name), sharedFile.name
)
shared_file_name = sharedFile.name
if shared_file_name not in self.import_files:
if not os.path.exists(shared_file_path):
find_files = [
f
for f in ImportHelper.list_all_files(
os.path.dirname(full_name)
)
if shared_file_name in f
]
if find_files:
shared_file_path = find_files[0]
if os.path.exists(shared_file_path):
self.import_files[shared_file_name] = shared_file_path
return assets_file
except Exception as e:
reader.dispose()
logging.error(f"Unable to load assets file {file_name}", e)
else:
reader.dispose()
def load_assets_from_memory(
self,
full_name: str,
reader: EndianBinaryReader,
original_path: str,
unity_version=None,
):
file_name = os.path.basename(full_name)
if file_name.endswith((".resS", ".resource", ".config", ".xml", ".dat")):
self.resource_file_readers[file_name] = reader
return False
elif file_name not in self.assets:
try:
assets_file = SerializedFile(self, full_name, reader)
assets_file.original_path = original_path
if assets_file.header.version < 7:
assets_file.set_version(unity_version)
self.assets[file_name] = assets_file
except Exception as e:
logging.error(
f"Unable to load assets file {file_name} from {original_path}", e
)
self.resource_file_readers[file_name] = reader
return False
return True
def load_bundle_file(
self, full_name: str, reader: EndianBinaryReader, parent_path=None
):
file_name = os.path.basename(full_name)
logging.info(f"Loading {full_name}")
bundle_file = None
try:
bundle_file = BundleFile(reader, full_name)
for f in bundle_file.files:
dummy_path = os.path.join(os.path.dirname(full_name), f.name)
self.load_assets_from_memory(
dummy_path,
EndianBinaryReader(f.stream),
full_name if parent_path else bundle_file.version_engine,
)
except Exception as e:
string = f"Unable to load bundle file {file_name}"
if parent_path:
string += f" from {os.path.basename(parent_path)}"
string += "\n" + str(e)
logging.error(string, e)
finally:
reader.dispose()
return bundle_file
def load_web_file(self, full_name: str, reader: EndianBinaryReader):
file_name = os.path.basename(full_name)
logging.info(f"Loading {full_name}")
dispose = True
web_file = None
try:
web_file = WebFile(reader)
for f in web_file.files:
dummy_path = os.path.join(os.path.dirname(full_name), f.name)
typ, reader = ImportHelper.check_file_type(f.stream)
if typ == FileType.AssetsFile:
dispose = self.load_assets_from_memory(
dummy_path, reader, full_name
)
elif typ == FileType.BundleFile:
self.load_bundle_file(dummy_path, reader, full_name)
elif typ == FileType.WebFile:
self.load_web_file(dummy_path, reader)
except Exception as e:
logging.error(f"Unable to load web file {file_name}", e)
finally:
if dispose:
reader.dispose()
return web_file
def clear(self):
for assetsFile in self.assets:
assetsFile.Objects = []
assetsFile.reader.Close()
self.assets = {}
for resourceFileReader in self.resource_file_readers:
resourceFileReader.Value.Close()
self.resource_file_readers = {}