421 lines
12 KiB
Python
421 lines
12 KiB
Python
import logging
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import shlex
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from pathlib import Path
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from typing import Any
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from app.features.presets.schemas import Preset
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from .config import Config
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from .Utils import REMOVE_KEYS, arg_converter, calc_download_path, create_cookies_file, merge_dict
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LOG: logging.Logger = logging.getLogger("YTDLPOpts")
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class ARGSMerger:
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def __init__(self):
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self.args: list[str] = []
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"Args merger"
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def add(self, args: str) -> "ARGSMerger":
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"""
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Add command options for yt-dlp.
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Args:
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args (str): The command options for yt-dlp to add
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Returns:
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YTDLPCli: The instance of the class
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"""
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if not args or not isinstance(args, str) or len(args) < 2:
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return self
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_args: list[str] = shlex.split(
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# Filter out comment lines.
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"\n".join([line for line in args.split("\n") if not line.lstrip().startswith("#")])
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)
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if len(_args) > 0:
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self.args.extend(_args)
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return self
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def as_string(self) -> str:
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"""
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Get all the options as a string.
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Returns:
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str: The options as a string
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"""
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return str(self)
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def as_dict(self) -> dict:
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"""
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Get all the options as a dict.
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Returns:
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dict: The options as a dict
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"""
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return shlex.split(shlex.join(self.args))
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def as_ytdlp(self) -> dict:
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"""
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Get all options as yt-dlp JSON options.
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Returns:
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dict: The options as a dict for yt-dlp
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"""
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return arg_converter(args=shlex.join(self.args), level=False)
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def __str__(self) -> str:
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"""
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Get all the options as a string.
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Returns:
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str: The options as a string
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"""
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return shlex.join(self.args)
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@staticmethod
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def get_instance() -> "ARGSMerger":
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"""
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Get the instance of the class.
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Returns:
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Presets: The instance of the class
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"""
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return ARGSMerger()
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def reset(self) -> "ARGSMerger":
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"""
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Reset the command options.
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Returns:
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YTDLPCli: The instance of the class
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"""
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self.args = []
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return self
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class YTDLPCli:
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"""
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Build yt-dlp CLI command.
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Th logic is simple
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1. User provided fields have highest priority
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2. Preset provided fields have second priority
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3. Defaults have lowest priority
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"""
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def __init__(self, item, config: Config | None = None):
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"""
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Initialize the CLI builder.
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Args:
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item: Item request
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config (Config|None): The Config instance (optional)
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"""
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from .ItemDTO import Item
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if not isinstance(item, Item):
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msg = f"Expected Item instance, got {type(item).__name__}"
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raise ValueError(msg)
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self.item = item
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preset_name = item.preset if item.preset else self._config.default_preset
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self.preset: Preset | None = YTDLPCli._get_presets().get(preset_name)
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self._config: Config = config or Config.get_instance()
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@staticmethod
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def _get_presets():
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from app.features.presets.service import Presets
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return Presets.get_instance()
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def build(self) -> tuple[str, dict]:
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"""
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Build the CLI command following make_command logic.
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Returns:
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tuple[str, dict]: (command_string, info_dict)
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"""
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template: str | None = None
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save_path: str | None = None
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cookie_file: Path | None = None
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cli_args: ARGSMerger = ARGSMerger.get_instance()
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if self.item.cookies:
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cookie_file = create_cookies_file(self.item.cookies)
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if self.item.folder:
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save_path = str(Path(self._config.download_path) / self.item.folder.lstrip("/"))
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if self.item.template:
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template = self.item.template
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if self.preset:
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if self.preset.cookies and cookie_file is None:
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cookie_file = self.preset.get_cookies_file(config=self._config)
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if self.preset.folder and save_path is None:
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save_path = str(Path(self._config.download_path) / self.preset.folder.lstrip("/"))
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if self.preset.template and template is None:
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template = self.preset.template
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if self.preset.cli:
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cli_args.add(self._replace_vars(self.preset.cli))
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if self.item.cli:
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cli_args.add(self._replace_vars(self.item.cli))
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if not save_path:
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save_path = self._config.download_path
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if not template:
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template = self._config.output_template
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if cookie_file:
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cli_args.add(self._replace_vars(f'--cookies "{cookie_file!s}"'))
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if template:
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cli_args.add(self._replace_vars(f'--output "{template}"'))
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if save_path:
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cli_args.add(self._replace_vars(f'--paths "home:{save_path}"'))
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cli_args.add(self._replace_vars(f'--paths "temp:{self._config.temp_path}"'))
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if self.item.url:
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cli_args.add(self.item.url)
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command: str = self._replace_vars(str(cli_args))
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info: dict[str, Any] = {
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"command": command,
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"dict": cli_args.as_dict(),
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"ytdlp": cli_args.as_ytdlp(),
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"merged": {
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"template": template,
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"save_path": save_path,
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"cookie_file": str(cookie_file) if cookie_file else None,
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},
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}
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return command, info
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def _replace_vars(self, text: str) -> str:
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"""
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Replace variables in the given text.
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Args:
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text (str): The text to replace variables in
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Returns:
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str: The text with variables replaced
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"""
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for k, v in self._config.get_replacers().items():
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text: str = text.replace(f"%({k})s", v if isinstance(v, str) else str(v))
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return text
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class YTDLPOpts:
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def __init__(self):
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self._config: Config = Config.get_instance()
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"The config instance."
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self._item_opts: dict = {}
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"The item options."
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self._preset_opts: dict = {}
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"The preset options."
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self._item_cli: list = []
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"The command options for yt-dlp from item."
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self._preset_cli: str = ""
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"The command options for yt-dlp from preset."
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@staticmethod
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def get_instance() -> "YTDLPOpts":
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"""
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Get the instance of the class.
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Returns:
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Presets: The instance of the class
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"""
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return YTDLPOpts().reset()
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def add_cli(self, args: str, from_user: int | bool = False) -> "YTDLPOpts":
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"""
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Parse and add command options for yt-dlp to the item options.
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Args:
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args (str): The command options for yt-dlp to add
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from_user (bool): If the options are from the user
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Returns:
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YTDLPOpts: The instance of the class
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"""
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if not args or not isinstance(args, str) or len(args) < 2:
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return self
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try:
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arg_converter(args=args, level=from_user)
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except Exception as e:
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msg = f"Invalid command options for yt-dlp were given. '{e!s}'."
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raise ValueError(msg) from e
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self._item_cli.append(args)
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return self
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def add(self, config: dict, from_user: bool = False) -> "YTDLPOpts":
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"""
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Add the options to the item options.
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Args:
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config (dict): The options to add
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from_user (bool): If the options are from the user
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Returns:
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YTDLPOpts: The instance of the class
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"""
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bad_options: dict = {}
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if from_user:
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bad_options: dict[str, str] = {k: v for d in REMOVE_KEYS for k, v in d.items()}
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for key, value in config.items():
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if from_user and key in bad_options:
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continue
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self._item_opts[key] = value
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return self
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def preset(self, name: str) -> "YTDLPOpts":
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"""
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Add the preset options to the item options.
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Args:
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name (str): The name of the preset
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Returns:
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YTDLPOpts: The instance of the class
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"""
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preset: Preset | None = YTDLPCli._get_presets().get(name)
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if not preset:
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return self
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if preset.cli:
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try:
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arg_converter(args=preset.cli, level=True)
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self._preset_opts = {}
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self._preset_cli = preset.cli
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except Exception as e:
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msg: str = f"Invalid preset '{preset.name}' command options for yt-dlp. '{e!s}'."
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raise ValueError(msg) from e
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if preset.cookies:
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try:
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file: Path | None = preset.get_cookies_file(config=self._config)
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if file and file.exists():
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self._preset_opts["cookiefile"] = str(file)
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except ValueError as e:
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LOG.error(f"Failed to load '{preset.name}' cookies. {e!s}")
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if preset.template:
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self._preset_opts["outtmpl"] = {"default": preset.template, "chapter": self._config.output_template_chapter}
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if preset.folder:
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self._preset_opts["paths"] = {
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"home": calc_download_path(base_path=Path(self._config.download_path), folder=preset.folder),
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"temp": self._config.temp_path,
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}
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return self
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def get_all(self, keep: bool = False) -> dict:
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"""
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Get all the options.
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Args:
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keep (bool): If the options should be kept
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Returns:
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dict: The options
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"""
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default_opts: dict = {}
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default_opts["paths"] = {"home": self._config.download_path, "temp": self._config.temp_path}
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default_opts["outtmpl"] = {
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"default": self._config.output_template,
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"chapter": self._config.output_template_chapter,
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}
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if not isinstance(self._item_cli, list):
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self._item_cli = []
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merge: list[str] = []
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if self._preset_cli and len(self._preset_cli) > 1:
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merge.append(self._preset_cli)
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if len(merge) > 0:
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# prepend the yt-dlp command options to the list
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self._item_cli = merge + self._item_cli
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user_cli: dict = {}
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if len(self._item_cli) > 0:
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try:
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user_cli = "\n".join(self._item_cli)
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for k, v in self._config.get_replacers().items():
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user_cli = user_cli.replace(f"%({k})s", v if isinstance(v, str) else str(v))
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user_cli: dict = arg_converter(args=user_cli, level=True)
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except Exception as e:
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msg = f"Invalid command options for yt-dlp were given. '{e!s}'."
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raise ValueError(msg) from e
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data: dict = merge_dict(user_cli, merge_dict(self._item_opts, merge_dict(self._preset_opts, default_opts)))
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if not keep:
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self.reset()
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if "format" in data:
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if data["format"] in ["not_set", "default", "best"]:
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data["format"] = None
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if data["format"] == "-best":
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data["format"] = data["format"][1:]
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if self._config.debug:
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LOG.debug(f"Final yt-dlp options: '{data!s}'.")
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return data
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def reset(self) -> "YTDLPOpts":
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"""
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Reset the item options.
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Returns:
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YTDLPOpts: The instance of the class
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"""
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self._item_opts = {}
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self._item_cli = []
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self._preset_cli = ""
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self._preset_opts = {}
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return self
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