plot.py 文件源码

def get_date_range(df, timestamp_colkey):
    max_time = df[timestamp_colkey].max()
    min_time = df[timestamp_colkey].min()
    t_to = std_time.strftime("%d-%b-%Y", std_time.localtime(np.asscalar(np.int32(max_time))))
    t_from = std_time.strftime("%d-%b-%Y", std_time.localtime(np.asscalar(np.int32(min_time))))
    if t_to == t_from:
        return t_to
    return "{} - {}".format(t_from, t_to)