app.py 文件源码

def try_get_snap(snap, sizename):
    if sizename.endswith(".png"):
        sizename = sizename[:-4]
    if sizename not in sizemap:
        abort(404)
    size = sizemap[sizename]
    data = load_snap(snap)
    key = "s_" + snap
    res = get_sized_banner(key, data, None, size, max_age=None)
    if request.query_string == "dl":
        res.headers['Content-Disposition'] = 'attachment; filename=snap_%s_%s.png' % (snap, sizename)
    return res