FilesExpand file tree

master

/

09_basic_link_web_crawler.py

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

34 lines (23 loc) · 616 Bytes

master

/

09_basic_link_web_crawler.py

Copy path

Top

File metadata and controls

• Code
• Blame

34 lines (23 loc) · 616 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

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

import requests

import re

try:

from urllib.parse import urljoin

except ImportError:

from urlparse import urljoin

# regex

link_re = re.compile(r'href="(.*?)"')

def crawl(url):

req = requests.get(url)

# Check if successful

if(req.status_code != 200):

return []

# Find links

links = link_re.findall(req.text)

print("\nFound {} links".format(len(links)))

# Search links for emails

for link in links:

# Get an absolute URL for a link

link = urljoin(url, link)

print(link)

if __name__ == '__main__':

crawl('http://www.realpython.com')