35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
from typing import Optional
|
|
|
|
from app.chain import ChainBase
|
|
from app.core.metainfo import MetaInfo
|
|
from app.core.context import Context, MediaInfo
|
|
from app.log import logger
|
|
|
|
|
|
class IdentifyChain(ChainBase):
|
|
"""
|
|
识别处理链
|
|
"""
|
|
|
|
def process(self, title: str, subtitle: str = None) -> Optional[Context]:
|
|
"""
|
|
识别媒体信息
|
|
"""
|
|
logger.info(f'开始识别媒体信息，标题：{title}，副标题：{subtitle} ...')
|
|
# 识别前预处理
|
|
result: Optional[tuple] = self.prepare_recognize(title=title, subtitle=subtitle)
|
|
if result:
|
|
title, subtitle = result
|
|
# 识别元数据
|
|
metainfo = MetaInfo(title, subtitle)
|
|
# 识别媒体信息
|
|
mediainfo: MediaInfo = self.recognize_media(meta=metainfo)
|
|
if not mediainfo:
|
|
logger.warn(f'{title} 未识别到媒体信息')
|
|
return Context(meta=metainfo)
|
|
logger.info(f'{title} 识别到媒体信息：{mediainfo.type.value} {mediainfo.get_title_string()}')
|
|
# 更新媒体图片
|
|
self.obtain_image(mediainfo=mediainfo)
|
|
# 返回上下文
|
|
return Context(meta=metainfo, mediainfo=mediainfo, title=title, subtitle=subtitle)
|