Delete unuse modules
This commit is contained in:
taizan-hokuto
@@ -1,146 +0,0 @@
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import httpx
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import asyncio
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import json
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from . import parser
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from . block import Block
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from . worker import ExtractWorker
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from . patch import Patch
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from ... import config
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from ... paramgen import arcparam_mining as arcparam
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from concurrent.futures import CancelledError
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from urllib.parse import quote
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headers = config.headers
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REPLAY_URL = "https://www.youtube.com/live_chat_replay?continuation="
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INTERVAL = 1
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def _split(start, end, count, min_interval_sec=120):
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"""
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Split section from `start` to `end` into `count` pieces,
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and returns the beginning of each piece.
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The `count` is adjusted so that the length of each piece
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is no smaller than `min_interval`.
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Returns:
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--------
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List of the offset of each block's first chat data.
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"""
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if not (isinstance(start, int) or isinstance(start, float)) or \
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not (isinstance(end, int) or isinstance(end, float)):
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raise ValueError("start/end must be int or float")
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if not isinstance(count, int):
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raise ValueError("count must be int")
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if start > end:
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raise ValueError("end must be equal to or greater than start.")
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if count < 1:
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raise ValueError("count must be equal to or greater than 1.")
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if (end - start) / count < min_interval_sec:
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count = int((end - start) / min_interval_sec)
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if count == 0:
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count = 1
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interval = (end - start) / count
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if count == 1:
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return [start]
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return sorted(list(set([int(start + interval * j)
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for j in range(count)])))
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def ready_blocks(video_id, duration, div, callback):
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if div <= 0:
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raise ValueError
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async def _get_blocks(video_id, duration, div, callback):
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async with httpx.ClientSession() as session:
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tasks = [_create_block(session, video_id, seektime, callback)
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for seektime in _split(0, duration, div)]
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return await asyncio.gather(*tasks)
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async def _create_block(session, video_id, seektime, callback):
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continuation = arcparam.getparam(video_id, seektime=seektime)
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url = (f"{REPLAY_URL}{quote(continuation)}&playerOffsetMs="
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f"{int(seektime*1000)}&hidden=false&pbj=1")
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async with session.get(url, headers=headers) as resp:
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chat_json = await resp.text()
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if chat_json is None:
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return
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continuation, actions = parser.parse(json.loads(chat_json)[1])
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first = seektime
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seektime += INTERVAL
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if callback:
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callback(actions, INTERVAL)
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return Block(
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continuation=continuation,
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chat_data=actions,
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first=first,
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last=seektime,
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seektime=seektime
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)
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"""
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fetch initial blocks.
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"""
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loop = asyncio.get_event_loop()
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blocks = loop.run_until_complete(
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_get_blocks(video_id, duration, div, callback))
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return blocks
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def fetch_patch(callback, blocks, video_id):
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async def _allocate_workers():
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workers = [
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ExtractWorker(
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fetch=_fetch, block=block,
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blocks=blocks, video_id=video_id
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)
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for block in blocks
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]
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async with httpx.ClientSession() as session:
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tasks = [worker.run(session) for worker in workers]
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return await asyncio.gather(*tasks)
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async def _fetch(seektime, session) -> Patch:
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continuation = arcparam.getparam(video_id, seektime=seektime)
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url = (f"{REPLAY_URL}{quote(continuation)}&playerOffsetMs="
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f"{int(seektime*1000)}&hidden=false&pbj=1")
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async with session.get(url, headers=config.headers) as resp:
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chat_json = await resp.text()
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actions = []
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try:
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if chat_json is None:
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return Patch()
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continuation, actions = parser.parse(json.loads(chat_json)[1])
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except json.JSONDecodeError:
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pass
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if callback:
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callback(actions, INTERVAL)
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return Patch(chats=actions, continuation=continuation,
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seektime=seektime, last=seektime)
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"""
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allocate workers and assign blocks.
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"""
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loop = asyncio.get_event_loop()
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try:
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loop.run_until_complete(_allocate_workers())
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except CancelledError:
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pass
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async def _shutdown():
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print("\nshutdown...")
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tasks = [t for t in asyncio.all_tasks()
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if t is not asyncio.current_task()]
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for task in tasks:
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task.cancel()
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try:
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await task
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except asyncio.CancelledError:
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pass
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def cancel():
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loop = asyncio.get_event_loop()
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loop.create_task(_shutdown())
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@@ -1,62 +0,0 @@
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from . import parser
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class Block:
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"""Block object represents something like a box
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to join chunk of chatdata.
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Parameter:
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---------
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first : int :
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videoOffsetTimeMs of the first chat_data
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(chat_data[0])
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last : int :
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videoOffsetTimeMs of the last chat_data.
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(chat_data[-1])
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this value increases as fetching chatdata progresses.
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end : int :
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target videoOffsetTimeMs of last chat data for extract,
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equals to first videoOffsetTimeMs of next block.
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when extract worker reaches this offset, stop fetching.
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continuation : str :
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continuation param of last chat data.
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chat_data : list
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done : bool :
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whether this block has been fetched.
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remaining : int :
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remaining data to extract.
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equals end - last.
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is_last : bool :
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whether this block is the last one in blocklist.
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during_split : bool :
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whether this block is in the process of during_split.
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while True, this block is excluded from duplicate split procedure.
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seektime : float :
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the last position of this block(seconds) already fetched.
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"""
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__slots__ = ['first','last','end','continuation','chat_data','remaining',
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'done','is_last','during_split','seektime']
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def __init__(self, first = 0, last = 0, end = 0,
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continuation = '', chat_data = [], is_last = False,
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during_split = False, seektime = None):
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self.first = first
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self.last = last
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self.end = end
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self.continuation = continuation
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self.chat_data = chat_data
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self.done = False
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self.remaining = self.end - self.last
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self.is_last = is_last
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self.during_split = during_split
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self.seektime = seektime
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@@ -1,73 +0,0 @@
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import re
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from ... import config
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from ... exceptions import (
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ResponseContextError,
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NoContents, NoContinuation)
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logger = config.logger(__name__)
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def parse(jsn):
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"""
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Parse replay chat data.
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Parameter:
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----------
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jsn : dict
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JSON of replay chat data.
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Returns:
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------
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continuation : str
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actions : list
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"""
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if jsn is None:
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raise ValueError("parameter JSON is None")
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if jsn['response']['responseContext'].get('errors'):
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raise ResponseContextError(
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'video_id is invalid or private/deleted.')
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contents = jsn["response"].get('continuationContents')
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if contents is None:
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raise NoContents('No chat data.')
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cont = contents['liveChatContinuation']['continuations'][0]
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if cont is None:
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raise NoContinuation('No Continuation')
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metadata = cont.get('liveChatReplayContinuationData')
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if metadata:
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continuation = metadata.get("continuation")
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actions = contents['liveChatContinuation'].get('actions')
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if continuation:
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return continuation, [action["replayChatItemAction"]["actions"][0]
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for action in actions
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if list(action['replayChatItemAction']["actions"][0].values()
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)[0]['item'].get("liveChatPaidMessageRenderer")
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or list(action['replayChatItemAction']["actions"][0].values()
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)[0]['item'].get("liveChatPaidStickerRenderer")
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]
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return None, []
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def get_offset(item):
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return int(item['replayChatItemAction']["videoOffsetTimeMsec"])
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def get_id(item):
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return list((list(item['replayChatItemAction']["actions"][0].values()
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)[0])['item'].values())[0].get('id')
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def get_type(item):
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return list((list(item['replayChatItemAction']["actions"][0].values()
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)[0])['item'].keys())[0]
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_REGEX_YTINIT = re.compile(
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"window\\[\"ytInitialData\"\\]\\s*=\\s*({.+?});\\s+")
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def extract(text):
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match = re.findall(_REGEX_YTINIT, str(text))
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if match:
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return match[0]
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return None
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@@ -1,27 +0,0 @@
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from . import parser
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from . block import Block
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from typing import NamedTuple
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class Patch(NamedTuple):
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"""
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Patch represents chunk of chat data
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which is fetched by asyncdl.fetch_patch._fetch().
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"""
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chats : list = []
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continuation : str = None
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seektime : float = None
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first : int = None
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last : int = None
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def fill(block:Block, patch:Patch):
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if patch.last < block.end:
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set_patch(block, patch)
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return
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block.continuation = None
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def set_patch(block:Block, patch:Patch):
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block.continuation = patch.continuation
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block.chat_data.extend(patch.chats)
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block.last = patch.seektime
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block.seektime = patch.seektime
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@@ -1,72 +0,0 @@
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from . import asyncdl
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from . import parser
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from .. videoinfo import VideoInfo
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from ... import config
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from ... exceptions import InvalidVideoIdException
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logger = config.logger(__name__)
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headers=config.headers
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class SuperChatMiner:
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def __init__(self, video_id, duration, div, callback):
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if not isinstance(div ,int) or div < 1:
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raise ValueError('div must be positive integer.')
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elif div > 10:
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div = 10
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if not isinstance(duration ,int) or duration < 1:
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raise ValueError('duration must be positive integer.')
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self.video_id = video_id
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self.duration = duration
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self.div = div
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self.callback = callback
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self.blocks = []
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def _ready_blocks(self):
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blocks = asyncdl.ready_blocks(
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self.video_id, self.duration, self.div, self.callback)
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self.blocks = [block for block in blocks if block is not None]
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return self
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def _set_block_end(self):
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for i in range(len(self.blocks)-1):
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self.blocks[i].end = self.blocks[i+1].first
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self.blocks[-1].end = self.duration
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self.blocks[-1].is_last =True
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return self
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def _download_blocks(self):
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asyncdl.fetch_patch(self.callback, self.blocks, self.video_id)
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return self
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def _combine(self):
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ret = []
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for block in self.blocks:
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ret.extend(block.chat_data)
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return ret
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def extract(self):
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return (
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self._ready_blocks()
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._set_block_end()
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._download_blocks()
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._combine()
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)
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def extract(video_id, div = 1, callback = None, processor = None):
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duration = 0
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try:
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duration = VideoInfo(video_id).get_duration()
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except InvalidVideoIdException:
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raise
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if duration == 0:
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print("video is live.")
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return []
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data = SuperChatMiner(video_id, duration, div, callback).extract()
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if processor is None:
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return data
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return processor.process(
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[{'video_id':None,'timeout':1,'chatdata' : (action
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for action in data)}]
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)
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def cancel():
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asyncdl.cancel()
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@@ -1,45 +0,0 @@
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from . import parser
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from . block import Block
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from . patch import Patch, fill
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from ... paramgen import arcparam
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INTERVAL = 1
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class ExtractWorker:
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"""
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ExtractWorker associates a download session with a block.
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When the worker finishes fetching, the block
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being fetched is splitted and assigned the free worker.
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Parameter
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----------
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fetch : func :
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extract function of asyncdl
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block : Block :
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Block object that includes chat_data
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blocks : list :
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List of Block(s)
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video_id : str :
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parent_block : Block :
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the block from which current block is splitted
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"""
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__slots__ = ['block', 'fetch', 'blocks', 'video_id', 'parent_block']
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def __init__(self, fetch, block, blocks, video_id ):
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self.block:Block = block
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self.fetch = fetch
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self.blocks:list = blocks
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self.video_id:str = video_id
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self.parent_block:Block = None
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async def run(self, session):
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while self.block.continuation:
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patch = await self.fetch(
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self.block.seektime, session)
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fill(self.block, patch)
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self.block.seektime += INTERVAL
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self.block.done = True
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Reference in New Issue
Block a user