How to flashing a message with link using Flask flash?

Question

I\'m creating a web app using Flask to deal with GoogleOpenID, these codes are almost finished, except the flashing message contains a link:

@oid.after_login
def         


        

Answer 1

I am not sure if it is correct, but the way I solved this was by declaring another variable in the function that was a string of HTML and then passing it through a render_template() function.

And in the template passed it through the safe filter.

For example, (roughly based on) the code you have provided:

@oid.after_login
def create_or_login(resp):
    user = db_session.query(User).filter_by(email=resp.email).first()
    if user is not None:
        flash('Successfully signed in', 'success')
    else:
        user = User(nickname=resp.fullname, source=GOOGLE, email=resp.email)
        db_session.add(user)
        db_session.commit()
        flash(flashing_message, 'success')
        link = "Link" ## ADDED HTML WITH LINK ##
    g.user = user
    session['nickname'] = user.nickname
    return render_template('some_layout.html',
                           link=link  ## PASS THE LINK TO THE TEMPLATE ##
    )

Then in the template I added an extra if statement inside the get_flashed_messages() if:

{% with messages = get_flashed_messages(with_categories=true) %}
    {% if messages %}

    ... Code that was already here ...

    {% if link %}        ## PASSED THE LINK TO THE TEMPLATE HERE ##
      {{ link | safe }}
    {% endif %}

    {% endif %}
{% endwith %}