searxngRebrandZaclys/searx/user_help.py

49 lines
1.6 KiB
Python

from typing import Dict
import os.path
import pkg_resources
import flask
from flask.helpers import url_for
import mistletoe
from . import get_setting
from .version import GIT_URL
HELP: Dict[str, str] = {}
""" Maps a filename under help/ without the file extension to the rendered HTML. """
def render(app: flask.Flask):
"""
Renders the user documentation. Must be called after all Flask routes have been
registered, because the documentation might try to link to them with Flask's `url_for`.
We render the user documentation once on startup to improve performance.
"""
link_targets = {
'brand.git_url': GIT_URL,
'brand.public_instances': get_setting('brand.public_instances'),
'brand.docs_url': get_setting('brand.docs_url'),
}
base_url = get_setting('server.base_url') or None
# we specify base_url so that url_for works for base_urls that have a non-root path
with app.test_request_context(base_url=base_url):
link_targets['url_for:index'] = url_for('index')
link_targets['url_for:preferences'] = url_for('preferences')
link_targets['url_for:stats'] = url_for('stats')
define_link_targets = ''.join(f'[{name}]: {url}\n' for name, url in link_targets.items())
for filename in pkg_resources.resource_listdir(__name__, 'help'):
rootname, ext = os.path.splitext(filename)
if ext != '.md':
continue
markdown = pkg_resources.resource_string(__name__, 'help/' + filename).decode()
markdown = define_link_targets + markdown
HELP[rootname] = mistletoe.markdown(markdown)