Files
pytchat-fork/pytchat/tool/mining/superchat_miner.py
2020-02-29 03:34:25 +09:00

72 lines
2.1 KiB
Python

from . import asyncdl
from . import parser
from .. videoinfo import VideoInfo
from ... import config
from ... exceptions import InvalidVideoIdException
logger = config.logger(__name__)
headers=config.headers
class SuperChatMiner:
def __init__(self, video_id, duration, div, callback):
if not isinstance(div ,int) or div < 1:
raise ValueError('div must be positive integer.')
elif div > 10:
div = 10
if not isinstance(duration ,int) or duration < 1:
raise ValueError('duration must be positive integer.')
self.video_id = video_id
self.duration = duration
self.div = div
self.callback = callback
self.blocks = []
def _ready_blocks(self):
blocks = asyncdl.ready_blocks(
self.video_id, self.duration, self.div, self.callback)
self.blocks = [block for block in blocks if block is not None]
return self
def _set_block_end(self):
for i in range(len(self.blocks)-1):
self.blocks[i].end = self.blocks[i+1].first
self.blocks[-1].end = self.duration
self.blocks[-1].is_last =True
return self
def _download_blocks(self):
asyncdl.fetch_patch(self.callback, self.blocks, self.video_id)
return self
def _combine(self):
ret = []
for block in self.blocks:
ret.extend(block.chat_data)
return ret
def extract(self):
return (
self._ready_blocks()
._set_block_end()
._download_blocks()
._combine()
)
def extract(video_id, div = 1, callback = None, processor = None):
duration = 0
try:
duration = VideoInfo(video_id).get_duration()
except InvalidVideoIdException:
raise
if duration == 0:
print("video is live.")
return []
data = SuperChatMiner(video_id, duration, div, callback).extract()
if processor is None:
return data
return processor.process(
[{'video_id':None,'timeout':1,'chatdata' : (action
for action in data)}]
)
def cancel():
asyncdl.cancel()