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Update afstool.py

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tmpz23 2022-04-12 17:34:22 +02:00 committed by GitHub
parent a4e659e37a
commit 5e8eb5c8ea
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1 changed files with 19 additions and 19 deletions
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38
afstool/afstool.py
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@ -9,7 +9,7 @@ import re
import time
__version__ = "0.1.3"
__version__ = "0.1.4"
__author__ = "rigodron, algoflash, GGLinnk"
__license__ = "MIT"
__status__ = "developpement"
@ -59,22 +59,22 @@ class AfsEmptyBlockAlignError(Exception): pass
#########################################################################
class FilenameResolver:
__sys_path = None
# name_tuples: {(unpacked_filename, toc_index), ... }
__names_tuples = None
# names_dict: {unpacked_filename: toc_index, ... }
__names_dict = None
__resolve_buffer = ""
__separator = '/'
def __init__(self, sys_path:Path):
self.__sys_path = sys_path
self.__names_tuples = {}
self.__names_dict = {}
self.__load()
# Load name_tuples if there is a csv
# Load names_dict if there is a csv
def __load(self):
if (self.__sys_path / "filename_resolver.csv").is_file():
self.__resolve_buffer = (self.__sys_path / "filename_resolver.csv").read_text()
for line in self.__resolve_buffer.split('\n'):
name_tuple = line.split(self.__separator)
self.__names_tuples[name_tuple[1]] = int(name_tuple[0])
# Save the resolve_buffer containing formated name_tuples to the csv if not empty
self.__names_dict[name_tuple[1]] = int(name_tuple[0])
# Save the resolve_buffer containing formated names_dict to the csv if not empty
def save(self):
if len(self.__resolve_buffer) > 0:
logging.info(f"Writting {Path('sys/filename_resolver.csv')}")
@ -82,25 +82,25 @@ class FilenameResolver:
# Resolve generate a unique filename when unpacking
# return the filename or new generated filename if duplicated
def resolve_new(self, fileindex:int, filename:str):
if filename in self.__names_tuples:
if filename in self.__names_dict:
i = 1
new_filename = f"{Path(filename).stem} ({i}){Path(filename).suffix}"
while new_filename in self.__names_tuples:
while new_filename in self.__names_dict:
i+=1
new_filename = f"{Path(filename).stem} ({i}){Path(filename).suffix}"
self.__names_tuples[new_filename] = fileindex
self.__names_dict[new_filename] = fileindex
self.__resolve_buffer += f"{fileindex}{self.__separator}{new_filename}\n"
return new_filename
self.__names_tuples[filename] = fileindex
self.__names_dict[filename] = fileindex
return filename
# Add new entry forcing the unpacked_filename
def add(self, fileindex:int, unpacked_filename:str):
self.__names_tuples[unpacked_filename] = fileindex
self.__names_dict[unpacked_filename] = fileindex
self.__resolve_buffer += f"{fileindex}{self.__separator}{unpacked_filename}\n"
# return previously generated filename using the index of the file in the TOC
# else return filename
def resolve_from_index(self, fileindex:int, filename:str):
for filename_key, fileindex_value in self.__names_tuples.items():
for filename_key, fileindex_value in self.__names_dict.items():
if fileindex_value == fileindex:
return filename_key
return filename
@ -121,7 +121,7 @@ class Afs:
# Each entry in the FD have 32 chars for filename and the rest for date and last_fd_attribute
FILENAMEDIRECTORY_ENTRY_LEN = 0x30
__file_count = None
# this offset is at the en of the TOC and sometimes there is pad
# this offset is at the end of the TOC and sometimes there is pad
__filenamedirectory_offset_offset = None
# if there is a FD at the end of the AFS
__filenamedirectory_offset = None
@ -324,7 +324,7 @@ class Afs:
f"{self.__filenamedirectory_offset + len(self.__filenamedirectory):08x}", \
f"{len(self.__filenamedirectory):08x}", "SYS FD"+' '*13, "SYS FD ", "SYS FD"))
return files_map
# At this end of the FD there is 4 bytes used for different purposes
# At the end of the FD there is 4 bytes used for different purposes
# To keep data we search what kind of data it is:
# return one of this values:
# * length
@ -351,7 +351,7 @@ class Afs:
logging.info("Unknown FD last attribute type.")
return "unknown"
# At the end of unpack we use this function to write the 2 files:
# * "sys/afs_rebuild.csv"
# * "sys/afs_rebuild.conf"
# * "sys/afs_rebuild.csv"
# this file will contains every parameters of the AFS to allow exact pack copy when possible (fd_last_atribute != unknown)
# see documentation for further informations
@ -416,8 +416,8 @@ class Afs:
resolver.save()
self.__write_rebuild_config(sys_path, resolver)
# Methood used to pack un unpacked folder inside a new AFS file
# for a file pack will use the next file offset as max file length an raise an exception if the length overlap
# pack keep FD and TOC inchanged except for file length and FD dates updates
# for a file pack will use the next file offset as max file length an raise an exception if the length overflow
# pack keep FD and TOC inchanged except for file length, FD dates, fd_last_attribute updates
def pack(self, folder_path:Path, afs_path:Path = None):
if afs_path is None:
afs_path = folder_path / Path(folder_path.name).with_suffix(".afs")
@ -469,7 +469,7 @@ class Afs:
afs_file.seek(0)
afs_file.write(self.__tableofcontent)
# Rebuild will use following config files:
# * "sys/afs_rebuild.csv"
# * "sys/afs_rebuild.conf"
# * "sys/afs_rebuild.csv"
# It will rebuild the unpacked AFS sys files (TOC and FD) in the sys folder
def rebuild(self, folder_path:Path):