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utils.py
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utils.py
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import re
import requests
from bs4 import BeautifulSoup
from praw.models import Comment, Submission
AMP_REGEX = re.compile(
r"http(|s)://(|.+\.)(?<!(developer)\.)google\.[a-z.]+/amp/(?:s/)?(.*)", re.IGNORECASE | re.MULTILINE
#r"google[a-z.]+/amp/(?:s/)?(.*)", re.IGNORECASE | re.MULTILINE
) # https://regex101.com/r/92WOyk/1
def is_amp_url(text):
matches = re.findall(AMP_REGEX, text)
if len(matches) == 1:
return matches[0]
else:
return False
def get_canonical_url_and_title_for(url):
body = requests.get(url)
soup = BeautifulSoup(body.text, "html.parser")
title = soup.find("title")
canonical = soup.find("link", {"rel": "canonical"})
if canonical is None or title is None:
return (None, None)
return (title.get_text(), canonical["href"])
def find_urls_in(obj):
if isinstance(obj, Submission):
submission = obj
if submission.permalink not in submission.url:
return [submission.url]
elif submission.selftext_html is not None:
soup = BeautifulSoup(submission.selftext_html, "html.parser")
urls = [a["href"] for a in soup.find_all("a")]
if urls != []:
return urls
else:
return None
else:
return None
elif isinstance(obj, Comment):
comment = obj
soup = BeautifulSoup(comment.body_html, "html.parser")
urls = [a["href"] for a in soup.find_all("a")]
if urls != []:
return urls
else:
return None
else:
return None