python如何表示一周连续工作四天?
代码示例:
#!/usr/bin/env python
# -*- coding:utf-8 -*-
import datetime
import collections
def date_list_fun(starttime,endtime):
'''计算输入的起始日期和结束日期之间的所有日期'''
_u=datetime.timedelta(days=1)
startdate=datetime.datetime.strptime(starttime,'%Y%m%d')
enddate=datetime.datetime.strptime(endtime,'%Y%m%d')
n=0
date_list=[]
if startdate<=enddate:
# print startdate,enddate
while 1:
_time=startdate+n*_u
date_list.append(_time.strftime('%Y%m%d'))
n=n+1
if _time==enddate:
break
return date_list
def allweeks(year):
'''计算一年内所有周的具体日期,从1月1号开始,12.31号结束
输出如{1: ['20190101','20190106'],...} 只有六天
'''
start_date=datetime.datetime.strptime(str(year)+'0101','%Y%m%d')
end_date=datetime.datetime.strptime(str(year)+'1231','%Y%m%d')
_u=datetime.timedelta(days=1)
n=0
week_date={}
while 1:
_time=start_date+n*_u
w=str(int(_time.strftime('%W'))+1)
week_date.setdefault(w,[]).append(_time.strftime('%Y%m%d'))
n=n+1
if _time==end_date:
break
week_date_start_end={}
for i in week_date:
week_date_start_end[i]=[week_date[i][0],week_date[i][-1]]
print week_date
print week_date_start_end
return week_date
def all_weeks(year):
'''计算一年内所有周的具体日期,每周都是7天,可能最后一周到 下年
week_date 输出如{1: ['20181231', '20190101', '20190102', '20190103', '20190104', '20190105', '20190106'],...}
计算一年内所有周的起始日期
week_date_start_end {1: ['20181231','20190106'],...}
'''
start_date=datetime.datetime.strptime(str(int(year)-1)+'1224','%Y%m%d')
end_date=datetime.datetime.strptime(str(int(year)+1)+'0107','%Y%m%d')
_u=datetime.timedelta(days=1)
n=0
week_date={}
while 1:
_time=start_date+n*_u
y,w=_time.isocalendar()[:2]
if y==year :
week_date.setdefault(w,[]).append(_time.strftime('%Y%m%d'))
n=n+1
if _time==end_date:
break
week_date_start_end={}
for i in week_date:
week_date_start_end[i]=[week_date[i][0],week_date[i][-1]]
print week_date
# print week_date_start_end
return week_date,week_date_start_end
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