272 lines
6.8 KiB
Python
272 lines
6.8 KiB
Python
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from domain.Logger import Logger
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from pathlib import Path
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import yaml
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class ConfigFile:
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__VALID_TARGET_TYPES = [
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"file",
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"directory"
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]
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__VALID_DATE_DETECTION_TYPES = [
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"file"
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]
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def __init__(
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self, logger: Logger,
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path: Path,
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):
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self.__logger = logger
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self.__path = path.absolute()
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# noinspection PyTypeChecker
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self.__data: dict = None
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self.__dry_run: bool = True
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# noinspection PyTypeChecker
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self.__target_type: str = None
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# noinspection PyTypeChecker
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self.__date_detection: str = None
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self.__rotatable_paths: [Path] = []
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self.__minimum_items: int = 0
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# noinspection PyTypeChecker
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self.__maximum_items: int = None
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# noinspection PyTypeChecker
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self.__maximum_age: int = None
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self._load()
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self._consume()
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def __str__(self):
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s = ""
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s += "*** Config File ***"
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s += f"> Path: {self.__path}"
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s += f"> Dry run: " + ("Yes" if self.__dry_run else "No")
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s += f"> Minimum items: {self.__minimum_items}"
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s += f"> Maximum items: {self.__maximum_items}"
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s += f"> Maximum age (in days): {self.__maximum_age}"
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s += f"> Target type: {self.__target_type}"
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s += f"> Date detection: {self.__date_detection}"
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s += f"> Rotatable paths: "
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if len(self.__rotatable_paths) > 0:
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for p in self.__rotatable_paths:
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s += f">> {p}"
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else:
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s += ">> [none]"
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return s
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def _load(self):
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self.info(f"Loading config: {self.__path}")
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assert self.__path.is_file(), (
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f"Cannot load config file because it isn't a file: {self.__path}"
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)
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# Open the file
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self.debug(f"Opening config file for load: {self.__path}")
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f = open(str(self.__path))
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if not f:
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raise Exception(f"Unable to open config file: {self.__path}")
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# Load data
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self.__data = yaml.safe_load(f)
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assert self.__data is not None, (
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f"Config file seems to be null or empty: {self.__path}"
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)
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# Consume to internal
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self.info(f"Loaded config from path: {self.__path}")
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def _consume(self):
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try:
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if "options" in self.__data.keys():
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self.info(f"Found options setting")
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options = self.__data["options"]
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assert isinstance(options, dict), "Options must be a dict"
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if "dry-run" in options.keys():
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dry_run = self.__data["options"]["dry-run"]
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self.info(f"Found dry run option: {dry_run}")
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assert isinstance(dry_run, bool), "dry-run setting must be boolean"
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self.__dry_run = dry_run
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else:
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self.warning(f"No dry-run option found; Will use default: {self.__dry_run}")
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if "minimum-items" in options.keys():
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minimum_items = options["minimum-items"]
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self.info(f"Found minimum-items option: {minimum_items}")
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assert isinstance(minimum_items, int), (
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f"Option minimum-items must be int, but got: {minimum_items}"
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)
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self.__minimum_items = minimum_items
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else:
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self.warning(
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f"No minimum-items option found; Will use default: {self.__minimum_items}"
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)
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if "maximum-items" in options.keys():
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maximum_items = options["maximum-items"]
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self.info(f"Found maximum-items option: {maximum_items}")
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assert isinstance(maximum_items, int), (
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f"Option maximum-items must be int, but got: {maximum_items}"
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)
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assert maximum_items > 0, (
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f"Option maximum-items is zero, which doesn't make sense."
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)
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self.__maximum_items = maximum_items
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else:
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self.warning(
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f"No maximum-items option found; Will use default: {self.__maximum_items}"
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)
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if "maximum-age" in options.keys():
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maximum_age = options["maximum-age"]
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self.info(f"Found maximum-age option (max age in days): {maximum_age}")
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assert isinstance(maximum_age, int), (
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f"Option maximum-age must be int, but got: {maximum_age}"
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)
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assert maximum_age > 0, (
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f"Option maximum-age is zero, which doesn't make sense."
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)
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self.__maximum_age = maximum_age
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else:
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self.warning(
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f"No maximum-age option found; Will use default: {self.__maximum_age}"
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)
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assert "target-type" in options.keys(), (
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f"Option target-type is required"
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)
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target_type = options["target-type"]
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self.info(f"Found target-type option: {target_type}")
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assert isinstance(target_type, str), (
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f"Option target-type must be str, but got: {target_type}"
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)
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assert target_type in self.__VALID_TARGET_TYPES, (
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f"Option target-type must be one of: {self.__VALID_TARGET_TYPES}"
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)
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self.__target_type = target_type
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if "date-detection" in options.keys():
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date_detection = options["date-detection"]
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self.info(f"Found date-detection option: {date_detection}")
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assert isinstance(date_detection, str), (
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f"Option date-detection must be str, but got: {date_detection}"
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)
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assert date_detection in self.__VALID_DATE_DETECTION_TYPES, (
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f"Option date-detection must be one of: {self.__VALID_DATE_DETECTION_TYPES}"
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)
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self.__date_detection = date_detection
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else:
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self.warning(
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f"Option date-detection not found; Will use default: {self.__date_detection}"
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)
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assert "paths" in self.__data, (
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f"Could not find 'paths' key"
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)
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rotatable_paths = self.__data["paths"]
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if isinstance(rotatable_paths, str):
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rotatable_paths = [rotatable_paths]
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assert isinstance(rotatable_paths, list), (
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"Rotatable 'paths' key must be a string or list"
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)
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self.__rotatable_paths = rotatable_paths
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self.info(f"Found {len(self.__rotatable_paths)} rotatable paths")
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except KeyError as e:
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self.error(
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f"Failed to load config due to KeyError"
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f"\nFile: {self.__path}"
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f"\nError: {str(e)}"
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)
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raise e
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except AssertionError as e:
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self.error(
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f"Failed to load config due to AssertionError"
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f"\nFile: {self.__path}"
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f"\nError: {str(e)}"
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)
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raise e
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def debug(self, s):
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self.__logger.debug(f"({self.__path.name}) {s}")
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def info(self, s):
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self.__logger.info(f"({self.__path.name}) {s}")
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def warning(self, s):
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self.__logger.warning(f"({self.__path.name}) {s}")
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def error(self, s):
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self.__logger.error(f"({self.__path.name}) {s}")
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@property
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def key(self) -> str:
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return str(self.__path)
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@property
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def path(self) -> Path:
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return self.__path
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@property
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def data(self) -> dict:
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return self.__data
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@property
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def dry_run(self) -> bool:
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return self.__dry_run
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@dry_run.setter
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def dry_run(self, b: bool):
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self.__dry_run = b
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@property
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def target_type(self) -> str:
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return self.__target_type
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@property
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def date_detection(self) -> str:
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return self.__date_detection
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@property
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def rotatable_paths(self) -> [Path]:
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return self.__rotatable_paths
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@property
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def minimum_items(self) -> int:
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return self.__minimum_items
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@property
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def maximum_items(self) -> int:
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return self.__maximum_items
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@property
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def maximum_age(self) -> int:
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return self.__maximum_age
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