zulip/zerver/lib/realm_description.py

from zerver.models import Realm
from zerver.lib.cache import cache_with_key, realm_rendered_description_cache_key, \
    realm_text_description_cache_key
from zerver.lib.bugdown import convert as bugdown_convert
from zerver.lib.html_to_text import html_to_text

@cache_with_key(realm_rendered_description_cache_key, timeout=3600*24*7)
def get_realm_rendered_description(realm: Realm) -> str:
    realm_description_raw = realm.description or "The coolest place in the universe."
    return bugdown_convert(realm_description_raw, message_realm=realm,
                           no_previews=True)

@cache_with_key(realm_text_description_cache_key, timeout=3600*24*7)
def get_realm_text_description(realm: Realm) -> str:
    html_description = get_realm_rendered_description(realm)
    return html_to_text(html_description, {'p': ' | ', 'li': ' * '})