from concurrent.futures import thread
BV2AV_TABLE = "fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF"
BV2AV_TABLE_DICT = {'f': 0, 'Z': 1, 'o': 2, 'd': 3, 'R': 4, '9': 5, 'X': 6, 'Q': 7, 'D': 8, 'S': 9, 'U': 10, 'm': 11,
'2': 12, '1': 13, 'y': 14, 'C': 15, 'k': 16, 'r': 17, '6': 18, 'z': 19, 'B': 20, 'q': 21, 'i': 22,
'v': 23, 'e': 24, 'Y': 25, 'a': 26, 'h': 27, '8': 28, 'b': 29, 't': 30, '4': 31, 'x': 32, 's': 33,
'W': 34, 'p': 35, 'H': 36, 'n': 37, 'J': 38, 'E': 39, '7': 40, 'j': 41, 'L': 42, '5': 43, 'V': 44,
'G': 45, '3': 46, 'g': 47, 'u': 48, 'M': 49, 'T': 50, 'K': 51, 'N': 52, 'P': 53, 'A': 54, 'w': 55,
'c': 56, 'F': 57}
BV2AV_S = [11, 10, 3, 8, 4, 6]
BV2AV_XOR = 177451812
BV2AV_ADD = 8728348608
[docs]def bv2av(bvid: str) -> int:
"""Convert bvid to aid"""
r = 0
for i in range(6):
r += BV2AV_TABLE_DICT[bvid[BV2AV_S[i]]] * 58 ** i
return (r - BV2AV_ADD) ^ BV2AV_XOR
[docs]def av2bv(aid: int) -> str:
"""Convert aid to bvid"""
aid = (aid ^ BV2AV_XOR) + BV2AV_ADD
r = list("BV1 4 1 7 ")
for i in range(6):
r[BV2AV_S[i]] = BV2AV_TABLE[aid // 58 ** i % 58]
return ''.join(r)
def find_ffmpeg() -> str:
import shutil
ffmpeg = shutil.which("ffmpeg")
if ffmpeg is None:
raise RuntimeError("""
---------- BGETLIB ERROR ----------
This program requires ffmpeg to be installed.
If you have installed ffmpeg, please make sure
it is in your PATH and named 'ffmpeg'.
If you are user, please install ffmpeg at its
official website:
https://www.ffmpeg.org/
Or you can install it with package manager.
If you are developer, please add instructions of
installing ffmpeg in your user guide, or consider
include ffmpeg in your binary distribuction (if
your software follows ffmpeg's license).
--------- END ERROR REPORT --------
""")
return "ffmpeg"
NTFS_ESCAPE_TABLE = {"/": "╱", "\\": "＼", "\"": "＂", ":": "：", "*": "🞰",
"<": "＜", ">": "＞", "|": "｜", "?": "？"}
[docs]def ntfs_escape(filename: str) -> str:
"""Convert any string to a NTFS filename
On NTFS Filesystem under Windows, some special characters are forbidden in filenames.
This function replace them with unicode characters with same glyph.
"""
for search, replace in NTFS_ESCAPE_TABLE.items():
filename = filename.replace(search, replace)
return filename
def replace_host(url: str, host: str) -> str:
import urllib.parse
return urllib.parse.urlunparse(urllib.parse.urlparse(url)._replace(netloc=host))