mirror of https://github.com/searxng/searxng.git
65 lines
2.1 KiB
Python
65 lines
2.1 KiB
Python
# pyright: basic
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from typing import Dict, NamedTuple
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import os.path
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import pkg_resources
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import flask
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from flask.helpers import url_for
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import mistletoe
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from . import get_setting
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from .version import GIT_URL
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class HelpPage(NamedTuple):
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title: str
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content: str
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PAGES: Dict[str, HelpPage] = {}
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""" Maps a filename under help/ without the file extension to the rendered page. """
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def render(app: flask.Flask):
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"""
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Renders the user documentation. Must be called after all Flask routes have been
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registered, because the documentation might try to link to them with Flask's `url_for`.
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We render the user documentation once on startup to improve performance.
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"""
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link_targets = {
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'brand.git_url': GIT_URL,
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'brand.public_instances': get_setting('brand.public_instances'),
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'brand.docs_url': get_setting('brand.docs_url'),
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}
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base_url = get_setting('server.base_url') or None
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# we specify base_url so that url_for works for base_urls that have a non-root path
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with app.test_request_context(base_url=base_url):
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link_targets['url_for:index'] = url_for('index')
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link_targets['url_for:preferences'] = url_for('preferences')
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link_targets['url_for:stats'] = url_for('stats')
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define_link_targets = ''.join(f'[{name}]: {url}\n' for name, url in link_targets.items())
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for filename in pkg_resources.resource_listdir(__name__, 'help'):
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rootname, ext = os.path.splitext(filename)
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if ext != '.md':
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continue
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file_content = pkg_resources.resource_string(__name__, 'help/' + filename).decode()
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markdown = define_link_targets + file_content
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assert file_content.startswith('# ')
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title = file_content.split('\n', maxsplit=1)[0].strip('# ')
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content: str = mistletoe.markdown(markdown)
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if filename == 'about.md':
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try:
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content += pkg_resources.resource_string(__name__, 'templates/__common__/aboutextend.html').decode()
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except FileNotFoundError:
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pass
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PAGES[rootname] = HelpPage(title=title, content=content)
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