def __init__(self, notifier=DEFAULT_NOTIFIER):
self.home_dir = AbsolutePath(str(Path.home()))
self.app_dir = AbsolutePath.join(self.home_dir, f".{self.app_name}").mkdir()
self.dbs_dir = AbsolutePath.join(self.app_dir, "databases").mkdir()
self.lang_dir = AbsolutePath.join(self.app_dir, "languages").mkdir()
self.config_path = AbsolutePath.join(self.app_dir, "config.json")
self.config = Config()
self.databases = {} # type: Dict[AbsolutePath, Optional[Database]]
self.languages = {} # type: Dict[AbsolutePath, Optional[DefaultLanguage]]
self.notifier = notifier
# Load database names.
for entry in FileSystem.scandir(self.dbs_dir.path): # type: os.DirEntry
if entry.is_dir():
self.databases[AbsolutePath(entry.path)] = None
# Load language names.
for entry in FileSystem.scandir(self.lang_dir.path): # type: os.DirEntry
path = AbsolutePath(entry.path)
if path.isfile() and path.extension == "txt":
self.languages[path] = None
# Load default languages names.
for entry in FileSystem.scandir(
os.path.join(package_dir(), "language", "default")
):
path = AbsolutePath(entry.path)
if path.isfile() and path.extension == "txt":
print("Checking embedded language", path.title)
user_path = AbsolutePath.join(self.lang_dir, path.get_basename())
if user_path in self.languages:
if user_path.get_date_modified() < path.get_date_modified():
user_path.delete()
path.copy_file_to(user_path)
print("Updated embedded language", path.title)
else:
print("User language more up-to-date", path.title)
else:
path.copy_file_to(user_path)
self.languages[user_path] = None
print("Installed embedded language", path.title)
# Load config file.
if self.config_path.exists():
assert self.config_path.isfile()
self.config.update(parse_json(self.config_path))
# Load language.
lang_path = AbsolutePath.join(self.lang_dir, f"{self.config.language}.txt")
if lang_path not in self.languages:
if self.config.language == DefaultLanguage.__language__:
print(
"[Default language]", DefaultLanguage.__language__, file=sys.stderr
)
dff_dump(language_to_dict(DefaultLanguage, extend=False), lang_path)
else:
raise exceptions.MissingLanguageFile(self.config.language)
self.languages[lang_path] = self._load_lang(lang_path)
def __transfer_db_path(path: AbsolutePath, old_folder: AbsolutePath,
new_folder: AbsolutePath):
old_name = old_folder.title
old_basename = path.get_basename()
assert old_basename.startswith(old_name)
new_basename = f"{new_folder.title}{old_basename[(len(old_name)):]}"
new_path = AbsolutePath.join(new_folder, new_basename)
re_path = AbsolutePath.join(new_folder, old_basename)
if re_path.exists():
print("Database: renaming", re_path, file=sys.stderr)
if new_path.exists():
raise exceptions.PathAlreadyExists(new_path)
FileSystem.rename(re_path.path, new_path.path)
assert not re_path.exists()
assert new_path.exists()
return new_path