Create an image src

    {{ xyz.jpg | img_src }}

    :param url:
    :param class_:
    :param responsive:
    :param lazy_load:
    :param id_:
    :return:

def img_src(url, class_="", responsive=False, lazy_load=False, id_=""):
    """
    Create an image src

    {{ xyz.jpg | img_src }}

    :param url:
    :param class_:
    :param responsive:
    :param lazy_load:
    :param id_:
    :return:
    """
    if not url.startswith("http://") and not url.startswith("https://"):
        url = static_url(url)

    data_src = ""
    if responsive:
        class_ += " responsive"
    if lazy_load:
        data_src = url
        # 1x1 image
        url = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNgYAAAAAMAASsJTYQAAAAASUVORK5CYII="
        class_ += " lazy"

    img = "<img src=\"{src}\" class=\"{class_}\" id=\"{id_}\" data-src={data_src}>" \
        .format(src=url, class_=class_, id_=id_, data_src=data_src)
    return Markup(img)