What is the best way to get a torrent name by hash?

[vmtest439]

I'm trying to write a script that can retrieve the name of a corresponding torrent file based on its hash. My current code saves the information to disk before fetching the name. Is there a way to optimize it so that nothing is saved to disk, and the name is directly retrieved and displayed?

My code:

import libtorrent as lt
import time

ses = lt.session()

def hex_to_sha1_hash(hex_hash: str) -> lt.sha1_hash:
    """Convert a hexadecimal string to a SHA-1 hash object"""
    hash_bytes = bytes.fromhex(hex_hash)
    return lt.sha1_hash(hash_bytes)

info_hash = hex_to_sha1_hash('<hash_str>')

magnet_link = f'magnet:?xt=urn:btih:{info_hash.to_bytes().hex()}'

params = {
    'save_path': '.',
    'storage_mode': lt.storage_mode_t.storage_mode_allocate,
}

handle = lt.add_magnet_uri(ses, magnet_link, params)

while not handle.has_metadata():
    time.sleep(1)
print(handle.get_torrent_info().name())

ses.remove_torrent(handle)

[RomaP13]

I think you need to add flags:

params = {
    "save_path": "./non-existent-path",
    "storage_mode": lt.storage_mode_t.storage_mode_sparse,
    "flags": lt.torrent_flags.upload_mode
    | lt.torrent_flags.auto_managed
    | lt.torrent_flags.default_dont_download,
}

More here: https://www.libtorrent.org/single-page-ref.html#torrent-flags-t

[stale[bot]]

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