python -- 格式化time

import find_itimport tm2secs2tmdef find_nearest_time(lookfor, target_data): ''' 先格式化时间字符串为seconds，再去搜索，最后将seconds转换为时间字符串返回 '''what = time2secs(lookfor);where = [time2secs[k] for k in target_data];got = find_closest(what, where);return secs2time(got);

find_it.py

import timedef find_closest(look_for, target_data): '''查找target_data中最接近look_for的项 '''    def whats_the_difference(first, second):        if first == second:            return(0)        elif first > second:            return(first - second)        else:            return(second - first)    max_diff = 9999999    for each_thing in target_data:        diff = whats_the_difference(each_thing, look_for)        if diff == 0:            found_it = each_thing            break        elif diff < max_diff:            max_diff = diff            found_it = each_thing    return(found_it)

tm2secs2tm.py

import timedef format_time(time_string): ''' 格式化时间字符串 '''    tlen = len(time_string)    if tlen < 3:        original_format = '%S'           elif tlen < 6:        original_format = '%M:%S'    else:        original_format = '%H:%M:%S'    time_string = time.strftime('%H:%M:%S', time.strptime(time_string, original_format))    return(time_string)def time2secs(time_string): ''' 将时间字符串转换为seconds '''    time_string = format_time(time_string)    (hours, mins, secs) = time_string.split(':')    seconds = int(secs) + (int(mins)*60) + (int(hours)*60*60)    return(seconds)def secs2time(seconds):  ''' 将seconds转换为时间字符串 '''    return(time.strftime('%H:%M:%S', time.gmtime(seconds)))