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# Native python imports
from datetime import timedelta
from typing import List
class ChapterThumbnail:
"""Container for chapter thumbnails."""
def __init__(self, width: int, height: int, url: str):
self.width = width
self.height = height
self.url = url
def __repr__(self):
return f'<pytubefix.chapters.ChapterThumbnail: width={self.width}, height={self.height}, url={self.url}>'
class Chapter:
"""Container for chapters tracks."""
title: str
start_seconds: int
duration: int # in seconds
thumbnails: List[ChapterThumbnail]
def __init__(self, chapter_data: dict, duration: int):
data = chapter_data['chapterRenderer']
self.title = data['title']['simpleText']
self.start_seconds = int(data['timeRangeStartMillis'] / 1000)
self.duration = duration
thumbnails_data = data.get('thumbnail', {}).get('thumbnails', [])
self.thumbnails = [
ChapterThumbnail(
width=thumb['width'],
height=thumb['height'],
url=thumb['url']
)
for thumb in thumbnails_data
]
@property
def start_label(self) -> str:
return str(timedelta(seconds=self.start_seconds))
def __repr__(self):
return f'<Chapter: {self.title} | {self.start_label}>'
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