yet another… but mine is fast as hell.
pip install bcoding
from bcoding import bencode, bdecode
# decoding from binary files or streams:
with open('some.torrent', 'rb') as f:
torrent = bdecode(f)
print(torrent['announce'])
# decoding from (byte)strings:
one = bdecode(b'i1e')
two = bdecode('3:two')
# encoding into binary files or streams:
bencode({'a': 0}, sys.stdout.buffer) # ⇒ d1:ai0ee
# encoding to bytestrings:
assert bencode(('a', 0)) == b'l1:ai0ee'