Switch to markdown-it (#595)

Fixes #537, fixes #586

app/__init__.py

@@ -21,13 +21,12 @@ import redis
 from flask import redirect, url_for, render_template, flash, request, Flask, send_from_directory, make_response, render_template_string
 from flask_babel import Babel, gettext
 from flask_flatpages import FlatPages
-from flask_flatpages.utils import pygmented_markdown
 from flask_github import GitHub
 from flask_login import logout_user, current_user, LoginManager
 from flask_mail import Mail
 from flask_wtf.csrf import CSRFProtect
 
-from app.markdown import init_markdown, MARKDOWN_EXTENSIONS, MARKDOWN_EXTENSION_CONFIG
+from app.markdown import init_markdown, render_markdown
 
 import sentry_sdk
 from sentry_sdk.integrations.flask import FlaskIntegration
@@ -67,13 +66,11 @@ app = Flask(__name__, static_folder="public/static")
 def my_flatpage_renderer(text):
 	# Render with jinja first
 	prerendered_body = render_template_string(text)
-	return pygmented_markdown(prerendered_body, flatpages=pages)
+	return render_markdown(prerendered_body)
 
 
 app.config["FLATPAGES_ROOT"] = "flatpages"
 app.config["FLATPAGES_EXTENSION"] = ".md"
-app.config["FLATPAGES_MARKDOWN_EXTENSIONS"] = MARKDOWN_EXTENSIONS
-app.config["FLATPAGES_EXTENSION_CONFIG"] = MARKDOWN_EXTENSION_CONFIG
 app.config["FLATPAGES_HTML_RENDERER"] = my_flatpage_renderer
 app.config["WTF_CSRF_TIME_LIMIT"] = None