pip install requests

Downloading files

# imported the requests libraryimport requestsimage_url = "https://www.python.org/static/community_logos/python-logo-master-v3-TM.png" # URL of the image to be downloaded is defined as image_urlr = requests.get(image_url) # create HTTP response object # send a HTTP request to the server and save# the HTTP response in a response object called rwith open("python_logo.png",'wb') as f:     # Saving received content as a png file in    # binary format     # write the contents of the response (r.content)    # to a new file in binary mode.    f.write(r.content)

Download large files

import requestsfile_url = "http://codex.cs.yale.edu/avi/db-book/db4/slide-dir/ch1-2.pdf" r = requests.get(file_url, stream = True) with open("python.pdf","wb") as pdf:    for chunk in r.iter_content(chunk_size=1024):          # writing one chunk at a time to pdf file         if chunk:             pdf.write(chunk)

Downloading Videos

import requestsfrom bs4 import BeautifulSoup '''URL of the archive web-page which provides link toall video lectures. It would have been tiring todownload each video manually.In this example, we first crawl the webpage to extractall the links and then download videos.''' # specify the URL of the archive herearchive_url = "http://www-personal.umich.edu/~csev/books/py4inf/media/" def get_video_links():         # create response object    r = requests.get(archive_url)         # create beautiful-soup object    soup = BeautifulSoup(r.content,'html5lib')         # find all links on web-page    links = soup.findAll('a')     # filter the link sending with .mp4    video_links = [archive_url + link['href'] for link in links if link['href'].endswith('mp4')]     return video_links  def download_video_series(video_links):     for link in video_links:         '''iterate through all links in video_links        and download them one by one'''                 # obtain filename by splitting url and getting         # last string        file_name = link.split('/')[-1]            print "Downloading file:%s"%file_name                 # create response object        r = requests.get(link, stream = True)                 # download started        with open(file_name, 'wb') as f:            for chunk in r.iter_content(chunk_size = 1024*1024):                if chunk:                    f.write(chunk)                 print "%s downloaded!\n"%file_name     print "All videos downloaded!"    return  if __name__ == "__main__":     # getting all video links    video_links = get_video_links()     # download all videos    download_video_series(video_links)