def __check_permissions(self):
"""
Check permissions on directories before performing the operations
:raise ValueError if input directory is equal to output directory
:raise NotADirectoryError
:raise PermissionError
:raise LinksError
"""
sources = self.__dispatcher_config.dispatcher_sources
destinations = self.__dispatcher_config.dispatcher_destinations
for source in sources:
Validation.is_dir(
sources[source],
f"Missing input directory '{sources[source]}'"
)
Validation.can_read(
sources[source],
f"Missing read permission on '{sources[source]}'"
)
Validation.can_write(
sources[source],
f"Missing write permission on '{sources[source]}'"
)
for destination in destinations:
try:
Validation.is_dir_writeable(
destinations[destination],
f"Directory '{destinations[destination]}' *must* exists and be writable"
)
except NotADirectoryError:
parent_directory = Path(destinations[destination]).parent
Validation.can_write(
parent_directory,
f"Missing write permission on '{parent_directory}'"
)
FileObserver.__LOG.info(f"Creating missing destination directory '{destinations[destination]}'")
# create if not exists
Path(destinations[destination]).mkdir(parents=True, exist_ok=True)
for source in sources:
Validation.are_symlinks(
sources[source],
destinations[destination],
f"Input ('{sources[source]}') and output ('{destinations[destination]}') directory can not be the same (or symlinks)"
)
def load(cls, log_filename: str = None) -> None:
if log_filename is not None:
from pathlib import Path
from util import Validation
parent_directory = Path(log_filename).parent
Validation.is_dir_writeable(
parent_directory,
f"Directory '{parent_directory}' must exists and be writable")
with cls.__LOCK:
# formatters
cls._FORMATTER = LogManager.__configure_formatter()
# handlers
cls._HANDLER_CONSOLE = LogManager.__configure_handler_console()
if log_filename is not None:
LogManager._LOG_FILENAME = log_filename
cls._HANDLER_FILE = LogManager.__configure_handler_file(
log_filename)
# loggers
cls._LOGGER_ROOT = LogManager.__configure_logger_root()
cls._LOGGER_OBSERVER = LogManager.__configure_logger_observer()
cls._LOGGER_CONVERTER = LogManager.__configure_logger_dispatcher()