Files
2023-08-19 13:09:09 +08:00

160 lines
4.7 KiB
Python

from collections import namedtuple
from os.path import exists, dirname, abspath, isfile, isdir, join, isabs
from os import stat, makedirs, listdir, remove
from game_backuper.hashl import sha512
from shutil import copy2
from game_backuper.filetype import FileType
from platform import system
if system() == "Windows":
try:
from game_backuper.cfapi import hydrate_file, unpin_file
have_cfapi = True
except Exception:
have_cfapi = False
else:
have_cfapi = False
_File = namedtuple('File', ['id', 'file', 'size', 'program', 'hash', 'type', 'key', 'iv', 'crc32', 'x_compress_type', 'compressed_size']) # noqa: E501
class File(_File):
@property
def encrypted(self):
return bool(self.key and self.iv and self.crc32)
@property
def compressed(self):
return self.x_compress_type is not None
@property
def compressed_type(self):
from game_backuper.compress import CompressMethod
return CompressMethod(self.x_compress_type) if self.compressed else None # noqa: E501
@property
def encrypt_file_size(self):
return self.compressed_size if self.compressed_size else self.size
@classmethod
def from_encrypt_stats(cls, stats, file):
from game_backuper.enc import EncryptStats
if not isinstance(stats, EncryptStats):
raise TypeError(f'Expected EncryptStats, got {type(stats)}')
if not isinstance(file, (File, _File)):
raise TypeError(f'Expected File, got {type(file)}')
return cls(file.id, file.file, file.size, file.program, file.hash, file.type, stats.key, stats.iv, stats.crc32, stats.x_compress_type, stats.compressed_size) # noqa: E501
@classmethod
def from_leveldb_stats(cls, stats):
from game_backuper.leveldb import LeveldbStats
if not isinstance(stats, LeveldbStats):
raise TypeError(f'Expected LeveldbStats, got {type(stats)}')
return cls(None, None, stats.size, None, stats.hash, None, None, None, None, None, None) # noqa: E501
def mkdir_for_file(p: str):
d = dirname(abspath(p))
if not exists(d):
makedirs(d)
def copy_file(loc: str, dest: str, name: str, prog: str):
mkdir_for_file(dest)
r = copy2(loc, dest)
print(f'{prog}: Copyed {loc}({name}) -> {r}')
def listdirs(loc: str, ignore_hidden_files: bool = True):
bl = listdir(loc)
r = []
for i in bl:
if i.startswith('.'):
if ignore_hidden_files or i == '.' or i == '..':
continue
p = join(loc, i)
if isfile(p):
r.append(p)
elif isdir(p):
r += listdirs(p)
return r
def list_all_paths(base: str, cli):
from game_backuper.config import ConfigPath, ConfigOLeveldb
r = []
for c in cli:
if isinstance(c, ConfigPath):
if isabs(c.path):
bp = c.path
else:
bp = join(base, c.path)
if isfile(bp):
r.append(bp)
elif isdir(bp):
re = listdirs(bp, c.ignore_hidden_files)
for ii in re:
if c.is_exclude(bp, ii):
continue
if not c.is_include(bp, ii):
continue
r.append(ii)
elif isinstance(c, ConfigOLeveldb):
r.append(c.path if isabs(c.path) else join(base, c.path))
return r
def new_file(loc: str, name: str, prog: str, type: FileType = None) -> File:
if exists(loc):
fs = stat(loc).st_size
with open(loc, 'rb') as f:
hs = sha512(f)
return File(None, name, fs, prog, hs, type, None, None, None, None, None) # noqa: E501
def remove_dirs(loc: str):
bl = listdirs(loc, False)
for i in bl:
if isfile(i):
remove(i)
elif isdir(i):
try:
remove_dirs(i)
except Exception:
remove_dirs(i)
remove(loc)
def remove_compress_files(loc: str, prog: str, name: str, ext: str = None):
from game_backuper.compress import supported_exts
exts = supported_exts.copy()
if ext is not None:
exts.remove(ext)
exts.append('')
for i in exts:
f = loc + i
if exists(f) and isfile(f):
remove(f)
print(f'{prog}: Removed {f}({name})')
def hydrate_file_if_needed(fn: str):
if not have_cfapi:
return
if exists(fn):
hydrate_file(fn)
def remove_unencryped_files(loc: str, prog: str, name: str):
if exists(loc):
remove(loc)
print(f'{prog}: Removed {loc}({name})')
remove_compress_files(loc, prog, name)
def unpin_file_if_needed(fn: str):
if not have_cfapi:
return
if exists(fn):
unpin_file(fn)