在 python 中增加工作日的小时数

Question

我需要以下脚本来计算从上午 9 点到下午 6 点的工作时间，这样如果我添加 5 小时，它将从第二天的上午 9 点开始添加。示例：如果现在是下午 5 点，我加上 5 小时，工作日在下午 6 点结束，输出将是：13 小时。 17 + 1 = 18 和 9 + 4 = 13 小时

到目前为止，脚本计算小时数而不考虑劳动力限制。

from datetime import datetime, timedelta
  
updated = ( datetime.now() +
           timedelta( hours = 5 )).strftime('%H:%M:%S')
  
print( updated )

--22:12:00

Answer 1

你在这里：

workday_begin = time(9)
workday_end = time(18)

# compute workday length
workday_hours = datetime.combine(date.today(), workday_end) - datetime.combine(date.today(), workday_begin)

# this is timedelta from your example
duration_hours = timedelta(hours=17)

# ignore times longer than a workday
day_cnt = 0  # this could be used to know how many day we've skipped, not part of question tho
while duration_hours > workday_hours:
    day_cnt += 1
    duration_hours -= workday_hours

now = datetime.now()
# now = datetime(2021,12,10,11,25,16)
if workday_begin < now.time() < workday_end:
    # now is in work-hours
    if datetime.combine(date.today(), workday_end) - now < duration_hours:
        # duration would exceed work-hours, jumping to next day
        day_cnt += 1
        duration_hours -= (datetime.combine(date.today(), workday_end) - now)
        updated = datetime.combine(date.today(), workday_begin) + duration_hours
    else:
        # everything is fine, just add hours
        updated = now + duration_hours
else:
    # now is not in work-hours. Add remaining duration to workday begin
    updated = datetime.combine(date.today(), workday_begin) + duration_hours

# keep just a time part
updated = updated.time().strftime('%H:%M:%S')

print( updated )

希望我理解了你的问题。

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