__init__.py 文件源码

def date_range():
    """Ensure the requested date range is in a format Graphite will accept.
    """

    range_from = request.values.get('from', '-1h')
    range_end  = request.values.get('end', 'now')

    try:
        # Try to coerce date range into integers
        range_from = int(float(range_from) / 1000)
        range_end  = int(float(range_end) / 1000)
    except:
        # ... or pass string directly to Graphite
        pass

    return (range_from, range_end)