flask_route.py

@app.route('/')
@app.route('/page/<int:page_number>/')
def index(page_number=1):
    path = '' if request.url_rule.rule == '/' else request.url.replace(request.url_root, '/')
    context = {
        'pagination': Pagination(page_number, settings.PER_PAGE, sorted_pages),
        'canonical_url': '{root}{path}'.format(root=settings.ROOT_URL, path=path)
    }
    return render_template('index.html', context=context)

how do I convert the above code into a Pluggable view?

I'm specifically looking for how to allow for multiple routes pointing to the same code. In the Pluggable View documentation an example is given which allows for multiple pointers to the same View because of HTTP request type. In my case I'm using almost the same code, but different templates.

# This one's easy enough
app.add_url_rule('/', view_func=IndexView.as_view('index')) 
# But how do I reference the same view for the paging?