python获取各个时间段

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#当前一周   
    def week_get_now(self): 
        import datetime
        d = datetime.datetime.now()
        dayscount = datetime.timedelta(days=d.isoweekday()) 
        dayto = d
        sixdays = datetime.timedelta(days=6) 
        dayfrom = dayto - sixdays 
        date_from = datetime.datetime(dayfrom.year, dayfrom.month, dayfrom.day, 0, 0, 0) 
        date_to = datetime.datetime(dayto.year, dayto.month, dayto.day, 23, 59, 59) 
        return str(date_from), str(date_to)     
        
    #上一周时间段    
    def week_get(self): 
        import datetime
        d = datetime.datetime.now()
        dayscount = datetime.timedelta(days=d.isoweekday()) 
        dayto = d - dayscount 
        sixdays = datetime.timedelta(days=6) 
        dayfrom = dayto - sixdays 
        date_from = datetime.datetime(dayfrom.year, dayfrom.month, dayfrom.day, 0, 0, 0) 
        date_to = datetime.datetime(dayto.year, dayto.month, dayto.day, 23, 59, 59) 
        return str(date_from), str(date_to) 


    #上个月时间段
    def month_get(self):    
        import datetime
        d = datetime.datetime.now()
        dayscount = datetime.timedelta(days=d.day)   
        dayto = d - dayscount    
        date_from = datetime.datetime(dayto.year, dayto.month, 1, 0, 0, 0)   
        date_to = datetime.datetime(dayto.year, dayto.month, dayto.day, 23, 59, 59)  
        return str(date_from), str(date_to) 

python获取各个时间段

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原文地址：http://www.cnblogs.com/lzpblog/p/4380703.html