app.py 文件源码

def try_get_banner(user_id, sizename, privacy=0):
    if sizename.endswith(".png"):
        sizename = sizename[:-4]
    if sizename not in sizemap:
        abort(404)
    if len(str(user_id)) != 9:
        abort(404)
    size = sizemap[sizename]
    try:
        data, mtime = get_data(user_id)
        key = "%d_p%d" % (user_id, privacy)
        privatize(data, privacy)
        res = get_sized_banner(key, data, mtime, size)
        if request.query_string == "dl":
            res.headers['Content-Disposition'] = 'attachment; filename=%d_p%d_%s.png' % (user_id, privacy, sizename)
        return res
    except APIError as e:
        if e.code == 1457:
            return send_file("static/error_404_%d.png" % size, mimetype="image/png", cache_timeout=60)
        elif e.code == 101:
            return send_file("static/error_503_%d.png" % size, mimetype="image/png", cache_timeout=60)
        else:
            app.logger.exception("API error for %r/%r/%r" % (user_id, sizename, privacy))
            return send_file("static/error_%d.png" % size, mimetype="image/png", cache_timeout=60)
    except Exception as e:
        app.logger.exception("Exception thrown for %r/%r/%r" % (user_id, sizename, privacy))
        return send_file("static/error_%d.png" % size, mimetype="image/png", cache_timeout=60)