首页 > 解决方案 > 使用 Python 从 url 下载 *.mp4 文件

问题描述

我正在尝试生成 [url_audioenci,url_caratula,titulo_cancion,nombre_artista] 的数组,以从http://los40.com.ar/lista40/下载音乐列表。我知道如何使用请求库下载媒体,但我无法从页面中提取和链接

from bs4 import BeautifulSoup
import requests
# import re
url = 'http://los40.com.ar/m/lista40/'
videos = []
response = requests.get(url)
bs = BeautifulSoup(response.text)
for i in range (1,41):
    videos[i]= bs.find_all('datos_camcion_'+i))
# responses= bs.find_all('script', language="javascript", type="text/javascript")

print(videos)
<h3>LISTA DEL 08/06/2019</h3>
<script language="javascript" type="text/javascript">
  var datos_cancion_1 = Array();
  datos_cancion_1['url_audioenci']         = 'https://recursosweb.prisaradio.com/audios/dest/570005645440.mp4';
  datos_cancion_1['url_muzu']         = '';
  datos_cancion_1['url_youtube']      = 'https://www.youtube.com/watch?v=XsX3ATc3FbA';
  datos_cancion_1['url_itunes']       = '';
  datos_cancion_1['posicion']         = '1';
  datos_cancion_1['url_caratula']     = 'https://recursosweb.prisaradio.com/fotos/dest/570005645461.jpg';
  datos_cancion_1['titulo_cancion']   = 'Boy with luv';
  datos_cancion_1['nombre_artista']   = 'BTS;Halsey';
  datos_cancion_1['idYes']            = 'BTS';
  datos_cancion_1['VidAu']            = 0;
</script>

我预计

videos=[['https://recursosweb.prisaradio.com/audios/dest/570005645440.mp4','https://recursosweb.prisaradio.com/fotos/dest/570005645461.jpg','Boy with luv','BTS;Halsey'].....]

标签: python-3.xvideopython-requestshtml5-videomp4

解决方案


我尝试过滤数据:

from bs4 import BeautifulSoup
import requests

url = 'http://los40.com.ar/m/lista40/'
videos = []
response = requests.get(url)
bs = BeautifulSoup(response.text, features="html5lib")

scripts = bs.find_all('script', language='javascript', type='text/javascript') 
end = len( bs.find_all('script', language='javascript', type='text/javascript') )
start = end - 40
data = []

for i in range( start, end ):
    data.append( str(scripts[ i ]) )

print( data[0] ) 

输出:

<script language="javascript" type="text/javascript">
  var datos_cancion_1 = Array();
  datos_cancion_1['url_audioenci']         = 'https://recursosweb.prisaradio.com/audios/dest/570005645440.mp4';
  datos_cancion_1['url_muzu']         = '';
  datos_cancion_1['url_youtube']      = 'https://www.youtube.com/watch?v=XsX3ATc3FbA';
  datos_cancion_1['url_itunes']       = '';
  datos_cancion_1['posicion']         = '1';
  datos_cancion_1['url_caratula']     = 'https://recursosweb.prisaradio.com/fotos/dest/570005645461.jpg';
  datos_cancion_1['titulo_cancion']   = 'Boy with luv';
  datos_cancion_1['nombre_artista']   = 'BTS;Halsey';
  datos_cancion_1['idYes']            = 'BTS';
  datos_cancion_1['VidAu']            = 0;
</script>

Data[0:39] 包含前 40 个和所有相关数据作为字符串,但我不确定如何字符串中提取信息。

这个线程中有一些建议,import json或者import re我尝试过摆弄,但我无法让它们工作。


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