Re: How to represent a calendar month as a field in django models

Hi, I ended up creating a custom field ( https://github.com/clearspark/django-monthfield). I used a lot of your input, thank you all. Cheers, Matthys On Mon, May 4, 2015 at 7:09 PM, Tim Chase wrote: > On 2015-05-03 14:35, Matthys wrote: > > I posted the

Re: How to represent a calendar month as a field in django models

On 2015-05-03 14:35, Matthys wrote: > I posted the question also on stackoverflow: > > http://stackoverflow.com/questions/30017229/how-to-represent-month-as-field-on-django-model > > The question is for situations where a model instance relates to a > specific month, but not to a specific day.

Re: How to represent a calendar month as a field in django models

Hi Erik, Thanks for your reply. I'm aware of the problems with timedelta(months=2), since the length of a month is not fixed, a length of time specified in months is ambiguous. Though months do have an internally consistent algebra as you point out and people often refer to time-periods in month

Re: How to represent a calendar month as a field in django models

> Den 04/05/2015 kl. 14.21 skrev Erik Cederstrand : > > class Month(models.Model): >year = models.IntegerField() >month = models.PositiveSmallIntegerField() > >def add_months(self, n): >assert n >= 0 >dy, dm = divmod(self.month + n, 12) >

Re: How to represent a calendar month as a field in django models

> Den 04/05/2015 kl. 13.26 skrev Matthys Kroon : > > I'm specifically looking at only situations where the year and month alone > are significant. > > The downside I see with using a DateField and forcing the day to the first of > the month, with custom widget etc. is that

Re: How to represent a calendar month as a field in django models

Hi, I'm specifically looking at only situations where the year and month alone are significant. The downside I see with using a DateField and forcing the day to the first of the month, with custom widget etc. is that somebody looking at the database may not realize that something unusual is

Re: How to represent a calendar month as a field in django models

On 4/05/2015 12:31 PM, Tom Lockhart wrote: Surely that would destroy data which wouldn’t be desirable. I’m not sure how that follows. If you are adjusting a date from whatever it actually is to the first of the month you lose the actual date. Although the question does not state it

Re: How to represent a calendar month as a field in django models

On May 3, 2015, at 7:17 PM, Mike Dewhirst wrote: > On 4/05/2015 11:41 AM, Tom Lockhart wrote: >> On May 3, 2015, at 2:35 PM, Matthys wrote: >> >>> I posted the question also on stackoverflow: >>> >>>

Re: How to represent a calendar month as a field in django models

On 4/05/2015 11:41 AM, Tom Lockhart wrote: On May 3, 2015, at 2:35 PM, Matthys wrote: I posted the question also on stackoverflow: http://stackoverflow.com/questions/30017229/how-to-represent-month-as-field-on-django-model The question is for situations where a model

Re: How to represent a calendar month as a field in django models

On May 3, 2015, at 2:35 PM, Matthys wrote: > I posted the question also on stackoverflow: > > http://stackoverflow.com/questions/30017229/how-to-represent-month-as-field-on-django-model > > The question is for situations where a model instance relates to a specific >

How to represent a calendar month as a field in django models

I posted the question also on stackoverflow: http://stackoverflow.com/questions/30017229/how-to-represent-month-as-field-on-django-model The question is for situations where a model instance relates to a specific month, but not to a specific day. -- You received this message because you are