Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
This code shows how to check a sitemap to make sure there are no links pointing to missing pages and to see if 301s are working correctly. It is explained at https://www.webucator.com/blog/2016/05/checking-your-sitemap-for-broken-links-with-python/
import requests
from bs4 import BeautifulSoup
sitemap = 'http://www.nasa.gov/sitemap/sitemap_nasa.html'
r = requests.get(sitemap)
html = r.content
soup = BeautifulSoup(html, 'html.parser')
links = soup.find_all('a')
urls = [link.get('href') for link in links
if link.get('href') and link.get('href')[0:4]=='http']
results = []
for i, url in enumerate(urls,1):
try:
r = requests.get(url)
report = str(r.status_code)
if r.history:
history_status_codes = [str(h.status_code) for h in r.history]
report += ' [HISTORY: ' + ', '.join(history_status_codes) + ']'
result = (r.status_code, r.history, url, 'No error. Redirect to ' + r.url)
elif r.status_code == 200:
result = (r.status_code, r.history, url, 'No error. No redirect.')
else:
result = (r.status_code, r.history, url, 'Error?')
except Exception as e:
result = (0, [], url, e)
results.append(result)
#Sort by status and then by history length
results.sort(key=lambda result:(result[0],len(result[1])))
#301s - may want to clean up 301s if you have multiple redirects
print('301s')
i = 0
for result in results:
if len(result[1]):
i += 1
print(i, end='. ')
for response in result[1]:
print('>>', response.url, end='\n\t')
print('>>>>',result[3])
#non-200s
print('\n==========\nERRORS')
for result in results:
if result[0] != 200:
print(result[0], '-', result[2])
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.