On Wed, Jun 10, 2015 at 9:19 PM, Michael Torrie <[email protected]> wrote:
> On 06/10/2015 02:11 PM, Sebastian M Cheung via Python-list wrote:
>> On Wednesday, June 10, 2015 at 6:06:09 PM UTC+1, Sebastian M Cheung wrote:
>>> Say in 2014 April to May whole weeks would be 7th, 14th 28th April and May
>>> would be 5th, 12th and 19th. So expecting 7 whole weeks in total
>>
>> What I mean is given two dates I want to find WHOLE weeks, so if given the
>> 2014 calendar and function has two inputs (4th and 5th month) then 7th,
>> 14th, 21st and 28th from April with 28th April week carrying into May, and
>> then 5th, 12th and 19th May to give total of 7 whole weeks, because 26th May
>> is not a whole week and will not be counted.
>>
>> Hope thats clear.
>
> I think Joel had the right idea. First calculate the rough number of
> weeks by taking the number of days between the date and divide by seven.
> Then check to see what the start date's day of week is, and adjust the
> rough week count down by one if it's not the first day of the week. I'm
> not sure if you have to check the end date's day of week or not. I kind
> of think checking the first one only is sufficient, but I could be
> wrong. You'll have to code it up and test it, which I assume you've
> been doing up to this point, even though you haven't shared any code.
I don't think the logic is quite right. Consider:
>>> cal = calendar.TextCalendar()
>>> print(cal.formatmonth(2014, 6))
June 2014
Mo Tu We Th Fr Sa Su
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30
>>> date(2014, 7, 1) - date(2014, 6, 1)
datetime.timedelta(30)
>>> _.days // 7 - 1
3
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