Hello readers, Today, This is my fourth part of web scraping tutorials. and in this tutorial, i am gonna to show you how to create a simple webpage image downloading script using python re and urllib2 module. For Third Part Click Here. Here, In This Script, I am Using urllib2 for downloading html data and re for extracting image source link. and then again urllib2 for downloading images in local drive.
hmm, if you are new visitor then don't forget to check our blog index. SO, let's start with some basic knowledge of today's tutorial:
here,
for this script first we will download provide website html data.
then, we will use python regular expression for extracting usable linksafter collecting all downloading links of image we will use another function for downloading all link files in a folder.
very simple! don't worry.
here, i am sharing my code.
1. Python Webpage Image Downloader
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | #!/usr/bin/python # ---------------- READ ME --------------------------------------------- # This Script is Created Only For Practise And Educational Purpose Only # This Script Is Created For https://www.bitforestinfo.com # This Script is Written By __author__='''
###################################################### By ######################################################
Suraj Singh surajsinghbisht054@gmail.com https://www.bitforestinfo.com/
###################################################### '''
# Import Module import urllib2 import sys import re import os
if len(sys.argv)==1: print "[*] Please Provide Domain Name:\n Usages: python img_webpage.py www.examplesite.com\n" sys.exit(0)
# Retrieve Html Data From Url def get_html(url): try: page = urllib2.urlopen(url).read() except Exception as e: print "[Error Found] ",e page=None return page
html_data=get_html(sys.argv[1])
# Verifying Html Data if not html_data: exit(0)
# Regular Expression pattern = re.compile('<img .*?>') image_link=[] for i in pattern.findall(html_data): i=i[i.find('src'):-2] img=i.split(' ')[0] if 'http' in img[4:10]: image_link.append(img) # Downloading Image def image_download(link): img=open(os.path.basename(link),'wb') data=urllib2.urlopen(link) img.write(data.read()) img.close() return
for i in image_link: print str(i[4:]) image_download(i[5:-1])
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as you can see, my examples codes are very easy to under stand.
if you want to download latest examples then, Click Here
In Our Next Tutorial,
we will learn about how to create a complete website crawler. Believe me, this journey is going to be very interesting. because in future tutorials,
you will see something really more interesting scripts and solutions.
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Contact me:
Suraj
surajsinghbisht054@gmail.com