def postSave(): app.open_session(flask.request) post = Post() post.init_from_dict(flask.request.form) import re post.body = re.sub(r'(<!--.*?-->|<[^>]*>)', '', post.body) post.ip = flask.request.remote_addr try: post.save() return flask.redirect(flask.url_for('read', slug = post.slug)) except (mongoengine.ValidationError) as validationError: flask.flash(validationError, category = "error") return flask.render_template('post/new.html', post = post, messages = flask.get_flashed_messages(with_categories = True)) except (mongoengine.OperationError) as operationError: flask.flash("A post with this title already exists.", category = "error") return flask.render_template('post/new.html', post = post, messages = flask.get_flashed_messages(with_categories = True)) except Exception as uh_oh: flask.flash("Uh oh. An unexpected error has occurred.", category = "error") logging.error(uh_oh) return flask.render_template('post/new.html', post = post, messages = flask.get_flashed_messages(with_categories = True))