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我想将用户在表单上输入的链接传递给下载器方法。

from django.shortcuts import render
import pytube
from .forms import VideoDownloadForm
# Create your views here.


def details(request):
    if request.method == 'POST':
        form = VideoDownloadForm(request.POST, request.FILES)
        if form.is_valid():
            f = form.cleaned_data['Url']
            yt = pytube.YouTube(f)
            # videos = yt.streams.filter(progressive=True, type='video', subtype='mp4').order_by('resolution').desc().first()
            thumb = yt.thumbnail_url
            title = yt.title

            return render(request, 'ytdownloader/details.html', { 'title': title, 'thumbnail': thumb})
            downloader(yt)
    else:
        form = VideoDownloadForm()
    return render(request, 'ytdownloader/front.html', {'form': form})


def downloader(request, yt):

    videos = yt.streams.filter(progressive=True, type='video', subtype='mp4').order_by('resolution').desc().first()
    videos.download('C:\\Users\\user\\Downloads')
    return render(request, 'ytdownloader/details.html')

错误：

*异常类型：TypeError

异常值：downloader() 缺少 1 个必需的位置参数：'yt'*

4

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