Can’t compare naive and aware datetime.now()

Can’t Compare Naive And Aware Datetime.now()

We Are Going To Discuss About Can’t compare naive and aware datetime.now() <= problem.datetime_end. So lets Start this Python Article.

How to resolve Can’t compare naive and aware datetime.now() <= problem.datetime_end

By default, the datetime object is naive in Python, so you must make each of them both naive or aware datetime objects. This will be finished utilizing:
import datetime import pytz utc=pytz.UTC problem.datetime_start = utc.localize(problem.datetime_start) problem.datetime_end = utc.localize(problem.datetime_end) # now each the datetime objects are aware, and you may compare them
Note: This would increase a ValueError if tzinfo is already set. If you aren’t positive about that, simply use
start_time = problem.datetime_start.substitute(tzinfo=utc) end_time = problem.datetime_end.substitute(tzinfo=utc)
BTW, you might format a UNIX timestamp in datetime.datetime object with timezone data as following
d = datetime.datetime.utcfromtimestamp(int(unix_timestamp)) d_with_tz = datetime.datetime( 12 months=d.12 months, month=d.month, day=d.day, hour=d.hour, minute=d.minute, second=d.second, tzinfo=pytz.UTC)

Can’t compare naive and aware datetime.now() <= problem.datetime_end

By default, the datetime object is naive in Python, so you must make each of them both naive or aware datetime objects. This will be finished utilizing:
import datetime import pytz utc=pytz.UTC problem.datetime_start = utc.localize(problem.datetime_start) problem.datetime_end = utc.localize(problem.datetime_end) # now each the datetime objects are aware, and you may compare them
Note: This would increase a ValueError if tzinfo is already set. If you aren’t positive about that, simply use
start_time = problem.datetime_start.substitute(tzinfo=utc) end_time = problem.datetime_end.substitute(tzinfo=utc)
BTW, you might format a UNIX timestamp in datetime.datetime object with timezone data as following
d = datetime.datetime.utcfromtimestamp(int(unix_timestamp)) d_with_tz = datetime.datetime( 12 months=d.12 months, month=d.month, day=d.day, hour=d.hour, minute=d.minute, second=d.second, tzinfo=pytz.UTC)

Solution 1

By default, the datetime object is naive in Python, so you must make each of them both naive or aware datetime objects. This will be finished utilizing:

import datetime
import pytz

utc=pytz.UTC

problem.datetime_start = utc.localize(problem.datetime_start) 
problem.datetime_end = utc.localize(problem.datetime_end) 
# now each the datetime objects are aware, and you may compare them

Note: This would increase a ValueError if tzinfo is already set. If you aren’t positive about that, simply use

start_time = problem.datetime_start.substitute(tzinfo=utc)
end_time = problem.datetime_end.substitute(tzinfo=utc)

BTW, you might format a UNIX timestamp in datetime.datetime object with timezone data as following

d = datetime.datetime.utcfromtimestamp(int(unix_timestamp))
d_with_tz = datetime.datetime(
    12 months=d.12 months,
    month=d.month,
    day=d.day,
    hour=d.hour,
    minute=d.minute,
    second=d.second,
    tzinfo=pytz.UTC)

Original Author Viren Rajput Of This Content

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Solution 2

datetime.datetime.now just isn’t timezone aware.

Django comes with a helper for this, which requires pytz

from django.utils import timezone
now = timezone.now()

You ought to be capable to compare now to problem.datetime_start

Original Author Alfredo Aguirre Of This Content

Solution 3

One line of code resolution

if timezone_aware_var <= datetime.datetime.now(timezone_aware_var.tzinfo):
    move #some code

Explained model

# Timezone data of your timezone aware variable
timezone = your_timezone_aware_variable.tzinfo

# Current datetime for the timezone of your variable
now_in_timezone = datetime.datetime.now(timezone)

# Now you are able to do a good comparability, each datetime variables have the identical time zone
if your_timezone_aware_variable <= now_in_timezone:
    move #some code

Summary

You should add the timezone data to your now() datetime.
However, you should add the similar timezone of the reference variable; that’s the reason I first learn the tzinfo attribute.

Original Author ePi272314 Of This Content

Solution 4

Disable time zone.
Use problem.datetime_start.substitute(tzinfo=None);

You may also use substitute(tzinfo=None) for different datetime.

if problem.datetime_start.substitute(tzinfo=None) <= datetime.now().substitute(tzinfo=None) <= problem.datetime_end.substitute(tzinfo=None):

Original Author Amin Fathi Of This Content

Conclusion

So This is all About This Tutorial. Hope This Tutorial Helped You. Thank You.

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