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Changed the hardcoded part and added Docstring #14

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Changed the hardcoded part and added Docstring #14

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23 changes: 17 additions & 6 deletions scripts/09_basic_link_web_crawler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,25 +10,36 @@


def crawl(url):

"""
Crawls a page
Arguments:
- URL of the page to crawl
Return:
- List of all unique links found
"""

found_link = []
req = requests.get(url)

# Check if successful
if(req.status_code != 200):
return []

# Find links
links = link_re.findall(req.text)
# Finding unique links
links = set(link_re.findall(req.text))

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

# Search links for emails
for link in links:

# Get an absolute URL for a link
link = urljoin(url, link)

found_link.append(link)
print(link)

return found_link

if __name__ == '__main__':
crawl('http://www.realpython.com')
url = input("Enter a url to crawl: ")
crawl(url)