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compute datetime field from date - how to deal with timezones

date timezone datetime

3 Ответы

22512 Представления

Hugo M.

Hello,

I have a model with a date field to be an user input, and a computed datetime field. Something like this:

class MyModel(models.Model):
    _name = "my.model"

    my_date = fields.Datetime(string='My date')
    my_datetime = fields.Datetime(string='My datetime', compute='_get_datetime_from_date')

My problem is that the computed datetime is stored according my timezone, for example if I'm on UTC-3 and I enter 01/01/2018 in my_date, my_datetime is computed as 31/12/2017 21:00:00. This is a problem for any datetime behind UTC as it's effectively stored as the day before. I need it to be stored as 01/01/2018 0:00:00. How can I solve this issue?

Thanks a lot.

Ray Carnes

Can you post the code of _get_datetime_from_date?

Manish Bohra

Can you post your compute method code ??

Sushma

Лучший ответ

Hi Hugo,

I was having this same issue, so solved like passing Timezone and converting into UTC to save in database, like following:

def convert_TZ_UTC(self, TZ_datetime):
    fmt = "%Y-%m-%d %H:%M:%S"
    # Current time in UTC
    now_utc = datetime.now(timezone('UTC'))
    # Convert to current user time zone
    now_timezone = now_utc.astimezone(timezone(self.env.user.tz))
    UTC_OFFSET_TIMEDELTA = datetime.strptime(now_utc.strftime(fmt), fmt) - datetime.strptime(now_timezone.strftime(fmt), fmt)
    local_datetime = datetime.strptime(TZ_datetime, fmt)
    result_utc_datetime = local_datetime + UTC_OFFSET_TIMEDELTA
    return result_utc_datetime.strftime(fmt)

Hugo M.

Автор

Thanks! It worked perfectly.

Sushma

Glad to know :)

Jithin PP

where is 'TZ_datetime' using

Sushma

TZ_datetime is variable of datetime type that would be converted to UTC format

Aadeel S. Puri

Can you please help, how to use this function in my custom module field datetime. i want to show datetime in utc to all users.

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