Twitter with links

twitter_links.py

def encode_string_with_links(tweet):
    """Only used by the get tweets task
    """
    MENTION_REGEX = re.compile(r'''(@(\w{1,15}\b))''', re.UNICODE)
    HASHTAG_REGEX = re.compile(r'''(#(\w{1,30}\b))''', re.UNICODE)
    URL_REGEX = re.compile(r'''((https://|http://)[^ <>'"{}|\\^`[\]]*)''')
    text = tweet['text'].replace('\n', ' ')

    if text.endswith(u'\u2026'):
        # If we ended with ..., then we have to check if we have an image
        # or url to replace at the end
        last = text.rindex(u' ')
        if text[last:].find('://') != -1:
            if 'media' in tweet['entities']:
                text = u'{0} {1}'.format(
                    text[:last],
                    tweet['entities']['media'][-1]['url'],
                )
            elif tweet['entities']['urls']:
                text = u'{0} {1}'.format(
                    text[:last],
                    tweet['entities']['urls'][-1]['url'],
                )
            else:
                text = text[:last]
        elif text[last:].find('@') != -1:
            if (
                'user_mentions' in tweet['entities'] and
                tweet['entities']['user_mentions']
            ):
                text = u'{0} @{1}'.format(
                    text[:last],
                    tweet['entities']['user_mentions'][-1]['screen_name']
                )
            else:
                text = text[:last]
        elif text[last:].find('#') != -1:
            if (
                'user_hashtags' in tweet['entities'] and
                tweet['entities']['user_hashtags']
            ):
                text = u'{0} #{1}'.format(
                    text[:last],
                    tweet['entities']['hashtags'][-1]['text']
                )
            else:
                text = text[:last]
        else:
            text = text[:last]

    return HASHTAG_REGEX.sub(
        r'<a href="https://twitter.com/hashtag/\2" rel="nofollow" target="_blank">#\2</a>',
        MENTION_REGEX.sub(
            r'<a href="https://twitter.com/\2" rel="nofollow" target="_blank">@\2</a>',
            URL_REGEX.sub(
                r'<a href="\1" rel="nofollow" target="_blank">\1</a>',
                text,
            ),
        )
    )