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Fix process of fetching archived chat

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This commit is contained in:
taizan-hokouto
2021-01-09 22:09:31 +09:00
parent b7f2967a4f
commit 78fbe97b66
9 changed files with 48 additions and 88 deletions
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24
pytchat/paramgen/arcparam.py
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@@ -3,8 +3,7 @@ from base64 import urlsafe_b64encode as b64enc
from urllib.parse import quote
def _header(video_id) -> str:
channel_id = '_' * 24
def _header(video_id, channel_id) -> str:
S1_3 = enc.rs(1, video_id)
S1_5 = enc.rs(1, channel_id) + enc.rs(2, video_id)
S1 = enc.rs(3, S1_3) + enc.rs(5, S1_5)
@@ -13,31 +12,26 @@ def _header(video_id) -> str:
return b64enc(header_replay)
def _build(video_id, seektime, topchat_only) -> str:
def _build(video_id, seektime, topchat_only, channel_id) -> str:
chattype = 4 if topchat_only else 1
fetch_before_start = 3
timestamp = 1000
if seektime < 0:
fetch_before_start = 4
elif seektime == 0:
timestamp = 1000
else:
timestamp = int(seektime * 1000000)
header = enc.rs(3, _header(video_id))
seektime = 0
timestamp = int(seektime * 1000000)
header = enc.rs(3, _header(video_id, channel_id))
timestamp = enc.nm(5, timestamp)
s6 = enc.nm(6, 0)
s7 = enc.nm(7, 0)
s8 = enc.nm(8, 0)
s9 = enc.nm(9, fetch_before_start)
s9 = enc.nm(9, 4)
s10 = enc.rs(10, enc.nm(4, 0))
chattype = enc.rs(14, enc.nm(1, chattype))
chattype = enc.rs(14, enc.nm(1, 4))
s15 = enc.nm(15, 0)
entity = b''.join((header, timestamp, s6, s7, s8, s9, s10, chattype, s15))
continuation = enc.rs(156074452, entity)
return quote(b64enc(continuation).decode())
def getparam(video_id, seektime=-1, topchat_only=False) -> str:
def getparam(video_id, seektime=0, topchat_only=False, channel_id='') -> str:
'''
Parameter
---------
@@ -47,4 +41,4 @@ def getparam(video_id, seektime=-1, topchat_only=False) -> str:
topchat_only : bool
if True, fetch only 'top chat'
'''
return _build(video_id, seektime, topchat_only)
return _build(video_id, seektime, topchat_only, channel_id)