Leek/src/leek/mod_installer.py

118 lines
3.6 KiB
Python

from pathlib import Path
from zipfile import Path as ZipPath
from zipfile import ZipFile, is_zipfile
from leek.utils import GameFinder
class ModInstaller:
__archive_path: Path
__archive_format: str
__is_flat: bool
__is_installed: bool
def __init__(self, mod_path: Path) -> None:
self.__archive_path = mod_path
self.__is_installed = False
if is_zipfile(mod_path):
self.__archive_format = "zip"
archive: ZipFile = ZipFile(mod_path)
path: ZipPath = ZipPath(archive)
# Make sure archive contains a mod
things_in_root: list[ZipPath] = list(path.iterdir())
config_toml: ZipPath
match len(things_in_root):
case 0:
raise EmptyArchiveError
case 1:
config_toml = things_in_root[0] / "config.toml"
if config_toml.exists() and config_toml.is_file():
# Mod can be extracted as is
self.__is_flat = False
self.__check_if_already_installed()
return
case _:
config_toml = path / "config.toml"
if config_toml.exists() and config_toml.is_file():
# Mod needs to be extracted in a folder
self.__is_flat = True
self.__check_if_already_installed()
return
# If we ever get here there's either no mod on the archive, or we failed to find it
raise NoModExceptionError(str(mod_path))
else:
raise UnsupportedArchiveTypeError(str(mod_path))
@property
def is_installed(self) -> bool:
return self.__is_installed
def install(self) -> None:
"""
Install the mod to Project Diva's mod folder
"""
if self.__is_installed:
return
game_path: Path = GameFinder.find()
if self.__is_flat:
mod_folder_name: str = self.__get_mod_folder_name()
ZipFile(self.__archive_path).extractall(
path=str(game_path / "mods" / mod_folder_name)
)
else:
ZipFile(self.__archive_path).extractall(path=str(game_path / "mods"))
self.__is_installed = True
def __get_mod_folder_name(self) -> str:
mod_folder_name: str
if self.__is_flat:
mod_folder_name = self.__archive_path.stem
else:
path: ZipPath = ZipPath(ZipFile(self.__archive_path))
things_in_root: list[ZipPath] = list(path.iterdir())
mod_folder_name = things_in_root[0].stem
return mod_folder_name
def __check_if_already_installed(self) -> None:
installed_mod_path: Path = (
GameFinder.find() / "mods" / self.__get_mod_folder_name()
)
if installed_mod_path.exists():
self.__is_installed = True
class UnsupportedArchiveTypeError(Exception):
"""
Rased when ModInstaller runs into an archive that it can't extract
"""
__message: str
def __init__(self, archive_path: str) -> None:
self.__message = f"Don't know how to unpack archive at {archive_path}"
def __str__(self) -> str:
return f"{self.__message}"
class EmptyArchiveError(Exception):
pass
class NoModExceptionError(Exception):
"""
Raised if the archive does not have a mod inside
"""
__message: str
def __init__(self, archive_path: str) -> None:
self.__message = f"Archive at {archive_path} does not have a mod"
def __str__(self) -> str:
return f"{self.__message}"