428 lines
13 KiB
Python
428 lines
13 KiB
Python
import json
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import logging
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import re
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import time
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import uuid
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from dataclasses import dataclass, field
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from email.utils import formatdate
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from typing import Any
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from app.library.Utils import archive_add, archive_delete, archive_read, clean_item, get_archive_id
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from app.library.YTDLPOpts import YTDLPOpts
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LOG: logging.Logger = logging.getLogger("ItemDTO")
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@dataclass(kw_only=True)
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class Item:
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"""
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This class represents a single download request for data transfer purposes.
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"""
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url: str
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"""The URL of the item to be downloaded."""
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preset: str = field(default_factory=lambda: Item._default_preset())
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"""The preset to be used for this download."""
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folder: str = ""
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"""The folder to save the download to."""
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cookies: str = ""
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"""The cookies to be used for this download."""
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template: str = ""
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"""The template to be used for this download."""
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cli: str = ""
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"""The command options for yt-dlp to be used for this download."""
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extras: dict = field(default_factory=dict)
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"""Extra data to be added to the download."""
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requeued: bool = False
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"""If the item has been retried already via conditions."""
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auto_start: bool = True
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"""If the item should be started automatically."""
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def serialize(self) -> dict:
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return self.__dict__.copy()
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def json(self) -> str:
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return json.dumps(self.serialize(), default=lambda o: o.__dict__, sort_keys=True, indent=4)
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def get(self, key: str, default: Any = None) -> Any:
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return self.__dict__.get(key, default)
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def has_extras(self) -> bool:
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"""
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Check if the item has any extras data associated with it.
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Returns:
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bool: True if the item has extras, False otherwise.
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"""
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return self.extras and len(self.extras) > 0
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def has_cli(self) -> bool:
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"""
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Check if the item has any command options for yt-dlp associated with it.
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Returns:
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bool: True if the item has command options for yt, False otherwise.
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"""
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return self.cli and len(self.cli) > 2
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@staticmethod
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def _default_preset() -> str:
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from .config import Config
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return Config.get_instance().default_preset
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def new_with(self, **kwargs) -> "Item":
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"""
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Create a new instance of Item with the given parameters.
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Args:
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**kwargs: The parameters to be used for creating the new instance.
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Returns:
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Item: A new instance of Item with the given parameters.
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"""
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return Item.format({**self.serialize(), **kwargs})
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@staticmethod
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def format(item: dict) -> "Item":
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"""
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Format the item to be added to the download queue.
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Args:
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item (dict): The item to be formatted.
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Raises:
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ValueError: If the url is not provided.
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ValueError: If the command options for yt-cli are invalid.
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Returns:
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Item: The formatted item.
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"""
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url: str = item.get("url")
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if not url or not isinstance(url, str):
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msg = "url param is required."
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raise ValueError(msg)
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url = url.strip()
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# If it's only a YouTube video ID, convert to a full URL.
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if len(url) >= 11 and re.fullmatch(r"[A-Za-z0-9_-]{11}", url):
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url = f"https://www.youtube.com/watch?v={url}"
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data: dict[str, str] = {"url": url}
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preset: str | None = item.get("preset")
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if preset and isinstance(preset, str) and preset != Item._default_preset():
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from .Presets import Presets
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if not Presets.get_instance().has(preset):
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msg: str = f"Preset '{preset}' does not exist."
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raise ValueError(msg)
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data["preset"] = preset
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if item.get("folder") and isinstance(item.get("folder"), str):
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data["folder"] = item.get("folder")
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if item.get("cookies") and isinstance(item.get("cookies"), str):
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data["cookies"] = item.get("cookies")
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if item.get("template") and isinstance(item.get("template"), str):
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data["template"] = item.get("template")
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if "auto_start" in item and isinstance(item.get("auto_start"), bool):
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data["auto_start"] = bool(item.get("auto_start"))
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extras: dict | None = item.get("extras")
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if extras and isinstance(extras, dict) and len(extras) > 0:
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data["extras"] = extras
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if item.get("requeued") and isinstance(item.get("requeued"), bool):
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data["requeued"] = item.get("requeued")
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cli: str | None = item.get("cli")
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if cli and len(cli) > 2:
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from .Utils import arg_converter
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try:
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arg_converter(args=cli, level=True)
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data["cli"] = cli
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except Exception as e:
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msg = f"Failed to parse command options for yt-dlp. {e!s}"
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raise ValueError(msg) from e
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return Item(**data)
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def get_archive_id(self) -> str | None:
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if not self.url:
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return None
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idDict: dict = get_archive_id(self.url)
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return idDict.get("archive_id")
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def get_ytdlp_opts(self) -> YTDLPOpts:
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params: YTDLPOpts = YTDLPOpts.get_instance()
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if self.preset:
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params = params.preset(name=self.preset)
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if self.cli:
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params = params.add_cli(self.cli, from_user=True)
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return params
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def get_archive_file(self) -> str | None:
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return self.get_ytdlp_opts().get_all().get("download_archive")
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def is_archived(self) -> bool:
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archive_id: str | None = self.get_archive_id()
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archive_file: str | None = self.get_archive_file()
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return len(archive_read(archive_file, [archive_id])) > 0 if archive_file and archive_id else False
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def __repr__(self) -> str:
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from .config import Config
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from .Utils import calc_download_path, strip_newline
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data: dict = {}
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for k, v in self.serialize().items():
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if not v and k not in ("auto_start"):
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continue
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if k == "cli":
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data[k] = strip_newline(v)
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elif k == "extras":
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data[k] = f"{len(v)} items"
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elif k == "cookies":
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data[k] = f"{len(v)}/chars"
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elif k == "folder":
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data[k] = calc_download_path(base_path=Config.get_instance().download_path, folder=v)
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else:
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data[k] = v
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items: str = "".join(f'{k}="{v}", ' for k, v in data.items() if v is not None)
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return f"Item({items.strip(', ')})"
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@dataclass(kw_only=True)
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class ItemDTO:
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"""
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ItemDTO is a data transfer object that represents a single item in the queue.
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It contains all the required information for both the frontend and the backend to process the item.
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"""
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_id: str = field(default_factory=lambda: str(uuid.uuid4()), init=False)
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""" Unique identifier for the item. """
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error: str | None = None
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""" Error message if the item failed. """
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id: str
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""" The ID of the item yt-dlp """
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title: str
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""" The title of the item. """
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url: str
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""" The URL of the item. """
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preset: str = "default"
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""" The preset to be used for the item. """
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folder: str
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""" The folder to save the item to. """
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download_dir: str | None = None
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""" The full path to the download directory. """
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temp_dir: str | None = None
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""" The full path to the temporary directory. """
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status: str | None = None
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""" The status of the item. """
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cookies: str | None = None
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""" The cookies to be used for the item. """
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template: str | None = None
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""" The output template to be used for the item. """
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template_chapter: str | None = None
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""" The output template for chapters to be used for the item. """
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timestamp: float = field(default_factory=lambda: time.time_ns())
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""" The timestamp of the item. """
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is_live: bool | None = None
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""" If the item is a live stream. """
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datetime: str = field(default_factory=lambda: str(formatdate(time.time())))
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""" The datetime of the item. """
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live_in: str | None = None
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""" The time until the live stream starts. """
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file_size: int | None = None
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""" The file size of the item. """
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options: dict = field(default_factory=dict)
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""" The options used for the item. """
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extras: dict = field(default_factory=dict)
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""" Extra data associated with the item. """
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cli: str = ""
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""" The command options for yt-dlp to be used for this download. """
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auto_start: bool = True
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""" If the item should be started automatically. """
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is_archivable: bool | None = None
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""" If the item can be archived. """
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is_archived: bool | None = None
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""" If the item has been archived. """
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archive_id: str | None = None
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""" The archive ID of the item. """
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# yt-dlp injected fields.
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tmpfilename: str | None = None
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filename: str | None = None
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total_bytes: int | None = None
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total_bytes_estimate: int | None = None
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downloaded_bytes: int | None = None
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msg: str | None = None
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percent: int | None = None
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speed: str | None = None
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eta: str | None = None
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_recomputed: bool = False
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_archive_file: str | None = None
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def serialize(self) -> dict:
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if "finished" == self.status and not self._recomputed:
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self.archive_status()
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item, _ = clean_item(self.__dict__.copy(), ItemDTO.removed_fields())
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return item
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def json(self) -> str:
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return json.dumps(self.serialize(), default=lambda o: o.__dict__, sort_keys=True, indent=4)
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def get(self, key: str, default: Any = None) -> Any:
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return self.__dict__.get(key, default)
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def get_id(self) -> str:
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return self._id
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def name(self) -> str:
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return f'id="{self.id}", title="{self.title}"'
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def get_archive_id(self) -> str | None:
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"""
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Get the archive ID for the download URL.
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Returns:
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str | None: The archive ID if available, None otherwise.
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"""
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if self.archive_id:
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return self.archive_id
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if not self.url:
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return None
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idDict: dict = get_archive_id(self.url)
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self.archive_id = idDict.get("archive_id")
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return self.archive_id
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def get_ytdlp_opts(self) -> YTDLPOpts:
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"""
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Get the yt-dlp options for the item.
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Returns:
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YTDLPOpts: The yt-dlp options for the item.
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"""
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params: YTDLPOpts = YTDLPOpts.get_instance()
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if self.preset:
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params = params.preset(name=self.preset)
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if self.cli:
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params = params.add_cli(self.cli, from_user=True)
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return params
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def archive_status(self, force: bool = False) -> None:
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if not force and (self._recomputed or not self.archive_id):
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return
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if "finished" == self.status:
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self._recomputed = True
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self.is_archivable = bool(self._archive_file)
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if not self.is_archivable:
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self.is_archived = False
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else:
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self.is_archived = len(archive_read(self._archive_file, [self.archive_id])) > 0
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def get_archive_file(self) -> str | None:
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"""
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Get the archive file path from the yt-dlp options.
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Returns:
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str | None: The archive file path if available, None otherwise.
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"""
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if self._archive_file or self._recomputed or not self.archive_id:
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return self._archive_file
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self._archive_file = self.get_ytdlp_opts().get_all().get("download_archive")
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if self._archive_file:
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self._archive_file = self._archive_file.strip()
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return self._archive_file
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def archive_add(self) -> bool:
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"""
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Archive the item by adding its archive ID to the download archive file.
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Returns:
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bool: True if the item was archived, False otherwise.
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"""
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if self.is_archived or not self.is_archivable or not self.archive_id or not self._archive_file:
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return False
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self.is_archived = archive_add(self._archive_file, [self.archive_id])
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return self.is_archived
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def archive_delete(self) -> bool:
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"""
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Remove the item's archive ID from the download archive file.
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Returns:
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bool: True if the item was removed from the archive, False otherwise.
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"""
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if not self.is_archivable or not self.is_archived or not self.archive_id or not self._archive_file:
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return False
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archive_delete(self._archive_file, [self.archive_id])
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self.is_archived = False
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return True
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@staticmethod
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def removed_fields() -> tuple:
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"""Fields that once existed but are no longer used."""
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return (
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"thumbnail",
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"quality",
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"format",
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"ytdlp_cookies",
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"ytdlp_config",
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"output_template",
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"output_template_chapter",
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"config",
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"temp_path",
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"_recomputed",
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"_archive_file",
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)
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def __post_init__(self):
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self.get_archive_id()
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self.get_archive_file()
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self.archive_status()
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