Files
FastAnime/fastanime/libs/anime_provider/nyaa/utils.py
2024-09-24 15:45:34 +03:00

127 lines
3.5 KiB
Python

import logging
import os
import sys
import time
import libtorrent # pyright: ignore
from rich import print
from rich.progress import (
BarColumn,
DownloadColumn,
Progress,
TextColumn,
TimeRemainingColumn,
TransferSpeedColumn,
)
logger = logging.getLogger("nyaa")
def download_torrent(
filename: str,
result_filename: str | None = None,
show_progress: bool = True,
base_path: str = "Anime",
) -> str:
session = libtorrent.session({"listen_interfaces": "0.0.0.0:6881"})
logger.debug("Started libtorrent session")
base_path = os.path.expanduser(base_path)
logger.debug(f"Downloading output to: '{base_path}'")
info = libtorrent.torrent_info(filename)
logger.debug("Started downloading torrent")
handle: libtorrent.torrent_handle = session.add_torrent(
{"ti": info, "save_path": base_path}
)
status: libtorrent.session_status = handle.status()
progress_bar = Progress(
"[progress.description]{task.description}",
BarColumn(bar_width=None),
"[progress.percentage]{task.percentage:>3.1f}%",
"",
DownloadColumn(),
"",
TransferSpeedColumn(),
"",
TimeRemainingColumn(),
"",
TextColumn("[green]Peers: {task.fields[peers]}[/green]"),
)
if show_progress:
with progress_bar:
download_task = progress_bar.add_task(
"downloading",
filename=status.name,
total=status.total_wanted,
peers=0,
start=False,
)
while not status.total_done:
# Checking files
status = handle.status()
description = "[bold yellow]Checking files[/bold yellow]"
progress_bar.update(
download_task,
completed=status.total_done,
peers=status.num_peers,
description=description,
)
# Started download
progress_bar.start_task(download_task)
description = f"[bold blue]Downloading[/bold blue] [bold yellow]{result_filename}[/bold yellow]"
while not status.is_seeding:
status = handle.status()
progress_bar.update(
download_task,
completed=status.total_done,
peers=status.num_peers,
description=description,
)
alerts = session.pop_alerts()
alert: libtorrent.alert
for alert in alerts:
if (
alert.category()
& libtorrent.alert.category_t.error_notification
):
logger.debug(f"[Alert] {alert}")
time.sleep(1)
progress_bar.update(
download_task,
description=f"[bold blue]Finished Downloading[/bold blue] [bold green]{result_filename}[/bold green]",
completed=status.total_wanted,
)
if result_filename:
old_name = f"{base_path}/{status.name}"
new_name = f"{base_path}/{result_filename}"
os.rename(old_name, new_name)
logger.debug(f"Finished torrent download, renamed '{old_name}' to '{new_name}'")
return new_name
return ""
if __name__ == "__main__":
if len(sys.argv) < 2:
print("You need to pass in the .torrent file path.")
sys.exit(1)
download_torrent(sys.argv[1])