我正在尝试使用 python 和 requests 库下载一系列古典音乐 midi 文件。不幸的是,我似乎无法真正下载 MIDI 文件本身。我唯一下载的是 HTML 文件。我搜索了SO并尝试了其他一些解决方案,例如this post ,和this post ,但这两种解决方案都不适合我。
这是我编写的代码:
from bs4 import BeautifulSoup
import requests
import re
url = 'http://www.midiworld.com/classic.htm'
headers = {'User-Agent':'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36'}
r = requests.get(url, headers=headers)
data = r.text
soup = BeautifulSoup(data, "html.parser")
links = []
for link in soup.find_all("a", href=re.compile("mid$")):
links.append(link['href'])
def get_filename(links):
filenames = []
"""
Will return a list of filenames for the files to be downloaded
"""
for link in links:
url = link
if url.find('/'):
f_name = url.rsplit('/', 1)[1]
print(url.rsplit('/', 1)[1])
filenames.append(f_name)
return filenames
def download_files(links, filenames):
for link, filename in zip(links, filenames):
r = requests.get(url, allow_redirects=True)
with open(filename, 'wb') as saveMidi:
saveMidi.write(r.content)
filenames = get_filename(links)
download_files(links, filenames)
我不明白为什么我会返回 html 文件。关于如何正确下载 MIDI 文件有什么想法吗?
最佳答案
我解决了这个问题,但我必须对您的代码进行一些重大更改。修改后的代码:
import requests
from bs4 import BeautifulSoup
import re
main_page = requests.get('http://www.midiworld.com/classic.htm')
parsed_page = BeautifulSoup(main_page.content, 'html.parser')
links = parsed_page.find_all('a', href=re.compile('mid$'))
def getFileName(link):
link = link['href']
filename = link.split('/')[::-1][0]
return filename
def downloadFile(link, filename):
mid_file = requests.get(link['href'], stream=True)
with open(filename, 'wb') as saveMidFile:
saveMidFile.write(mid_file.content)
print('Downloaded {} successfully.'.format(filename))
for link in links:
filename = getFileName(link)
downloadFile(link, filename)
这似乎可以快速轻松地下载文件。它们都没有损坏,我可以很好地播放它们。 感谢您用古典音乐扰乱了我的主文件夹。
关于python - 为什么我无法使用 python 请求下载 MIDI 文件?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/52124737/