Extract image links from the webpage using Python

Question

So I wanted to get all of the pictures on this page(of the nba teams). http://www.cbssports.com/nba/draft/mock-draft

However, my code gives a bit more than that. It gives me,

<a href="/nba/teams/page/ORL"><img src="http://sports.cbsimg.net/images/nba/logos/30x30/ORL.png" alt="Orlando Magic" width="30" height="30" border="0" /></a>

How can I shorten it to only give me, http://sports.cbsimg.net/images/nba/logos/30x30/ORL.png.

My code:

import urllib2
from BeautifulSoup import BeautifulSoup
# or if your're using BeautifulSoup4: 
# from bs4 import BeautifulSoup

soup = BeautifulSoup(urllib2.urlopen('http://www.cbssports.com/nba/draft/mock-draft').read())

rows = soup.findAll("table", attrs = {'class': 'data borderTop'})[0].tbody.findAll("tr")[2:]

for row in rows:
  fields = row.findAll("td")
  if len(fields) >= 3:
    anchor = row.findAll("td")[1].find("a")
    if anchor:
      print anchor

heltonbiker · Accepted Answer · 2012-07-05 19:16:40Z

1

I know this can be "traumatic", but for those automatically generated pages, where you just want to grab the damn images away and never come back, a quick-n-dirty regular expression that takes the desired pattern tends to be my choice (no Beautiful Soup dependency is a great advantage):

import urllib, re

source = urllib.urlopen('http://www.cbssports.com/nba/draft/mock-draft').read()

## every image name is an abbreviation composed by capital letters, so...
for link in re.findall('http://sports.cbsimg.net/images/nba/logos/30x30/[A-Z]*.png', source):
    print link


    ## the code above just prints the link;
    ## if you want to actually download, set the flag below to True

    actually_download = False
    if actually_download:
        filename = link.split('/')[-1]
        urllib.urlretrieve(link, filename)

Hope this helps!

answered Jul 5, 2012 at 19:16

heltonbiker

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Froyo · Accepted Answer · 2012-07-06 04:08:03Z

1

To save all the images on http://www.cbssports.com/nba/draft/mock-draft,

import urllib2
import os
from BeautifulSoup import BeautifulSoup
URL = "http://www.cbssports.com/nba/draft/mock-draft"
default_dir = os.path.join(os.path.expanduser("~"),"Pictures")
opener = urllib2.build_opener()
urllib2.install_opener(opener)
soup = BeautifulSoup(urllib2.urlopen(URL).read())
imgs = soup.findAll("img",{"alt":True, "src":True})
for img in imgs:
    img_url = img["src"]
    filename = os.path.join(default_dir, img_url.split("/")[-1])
    img_data = opener.open(img_url)
    f = open(filename,"wb")
    f.write(img_data.read())
    f.close()

To save any particular image on http://www.cbssports.com/nba/draft/mock-draft, use

soup.find("img",{"src":"image_name_from_source"})

edited Jul 6, 2012 at 4:08

answered Jul 5, 2012 at 18:51

Froyo

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yehuda corsia · Accepted Answer · 2019-03-12 22:18:40Z

You can use this functions for getting the list of all images url from url.

#
#
# get_url_images_in_text()
#
# @param html - the html to extract urls of images from him.
# @param protocol - the protocol of the website, for append to urls that not start with protocol.
#
# @return list of imags url.
#
#
def get_url_images_in_text(html, protocol):
    urls = []
    all_urls = re.findall(r'((http\:|https\:)?\/\/[^"\' ]*?\.(png|jpg))', html, flags=re.IGNORECASE | re.MULTILINE | re.UNICODE)
    for url in all_urls:
        if not url[0].startswith("http"):
            urls.append(protocol + url[0])
        else:
            urls.append(url[0])

    return urls

#
#
# get_images_from_url()
#
# @param url - the url for extract images url from him. 
#
# @return list of images url.
#
#
def get_images_from_url(url):
    protocol = url.split('/')[0]
    resp = requests.get(url)
    return get_url_images_in_text(resp.text, protocol)

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