下载youtube视频时显示进度栏

问题描述

pytube是一个轻量级的，无依赖项的Python库，用于从Web下载视频。
我想在代码中使用progressBar来显示YouTube视频下载的当前状态，下面是我的代码。

from pytube import YouTube
from tqdm import tqdm # progressbar library
import time 

# for converting data into kb
chunk_size = 1024
# https://www.youtube.com/watch?v=d3D7Y_ycSms

def start_download(link):
    global count
    count = 0
    flag = True
    while flag:
        try:
            print("entered")
            yt = YouTube(link)
            # video_type = yt.streams.filter(progressive=True,file_extension='mp4').first()
            print("linked url")
            if yt is not None:
                flag = False
            else:
                continue
        except:
            count += 1
            print("ERROR. Check your:\n  -connection\n  -url is a YouTube url\n\nTry again.")
            # call function for restart download
            if count >3:
                print("Network Connection: Poor. Please check your internet connection")
                flag = False
            else:
                start_download(link)
    time.sleep(0.5)
    print("Network Connection: OK")
    time.sleep(1)
    #Showing details
    print("Title: ",yt.title)
    time.sleep(0.02)
    print("Number of views: ",yt.views)
    time.sleep(0.02)
    print("Length of video: ",yt.length)
    time.sleep(0.02)
    print("rating of video: ",yt.rating)
    time.sleep(0.02)
    # file size
    # print('FileSize : ' + str(round(video_type.filesize/(1024*1024))) + 'MB')
    time.sleep(1)

    # ProgressBar
    for i in tqdm(range(100),desc="Downloading...",ascii=True,ncols=100):
        time.sleep(0.03)

    # Download video
    print("Downloading...")
    video_type.download()
    print("Done")
    

# youtube url
link = input("Enter the link of YouTube video you want to download:  ")
start_download(link)

输出：

Enter the link of YouTube video you want to download:  https://www.youtube.com/watch?v=d3D7Y_ycSms
entered
linked url
Network Connection: OK
Title:  archer - danger zone [hq]
Number of views:  821439
Length of video:  11
rating of video:  4.9240561
Downloading...: 100%|#############################################| 100/100 [00:03<00:00,32.98it/s]
Done

我想将progressBar与视频下载状态集成。
预先感谢。

解决方法

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