Category: Python Answers

Sometimes, we want to change a Django QueryDict to a Python Dict.

In this article, we’ll look at how to change a Django QueryDict to a Python Dict.

How to change a Django QueryDict to a Python Dict?

To change a Django QueryDict to a Python Dict, we cann the dict method on the query dict.

For instance, we write

q = QueryDict('a=1&a=3&a=5')
d = q.dict()

to create the query dict q.

Then we call q.dict to return the query dict data as a dict.

Conclusion

To change a Django QueryDict to a Python Dict, we cann the dict method on the query dict.

Sometimes, we want to fix Python Django migrate returning error "table already exists"

In this article, we’ll look at how to fix Python Django migrate returning error "table already exists".

How to fix Python Django migrate returning error "table already exists"?

To fix Python Django migrate returning error "table already exists", we can use the --fake option.

For instance, we write

python manage.py migrate --fake <appname>

to run migrate with the --fake option to run the migrations without creating the table.

Conclusion

To fix Python Django migrate returning error "table already exists", we can use the --fake option.

Sometimes, we want to make Python Django serve static files with Gunicorn.

In this article, we’ll look at how to make Python Django serve static files with Gunicorn.

How to make Python Django serve static files with Gunicorn?

To make Python Django serve static files with Gunicorn, we append the static file routes to urlpatterns.

For instance, we write

from django.contrib.staticfiles.urls import staticfiles_urlpatterns

# ... 

urlpatterns += staticfiles_urlpatterns()

to append the route list returned from staticfiles_urlpatterns to urlpatterns.

Conclusion

To make Python Django serve static files with Gunicorn, we append the static file routes to urlpatterns.

To fix TypeError: can’t compare offset-naive and offset-aware datetimes with Python, we can use the utc.localize method to convert both times to aware datetimes.

For instance, we write

import datetime
import pytz

utc=pytz.UTC

challenge.datetime_start = utc.localize(challenge.datetime_start) 
challenge.datetime_end = utc.localize(challenge.datetime_end) 

to call utc.localize to convert datetime_start and datetime_end to time zone aware datetimes.

Then we can compare their values directly.

Sometimes, we want to fix Python Django admin site not have styles or CSS loading.

In this article, we’ll look at how to fix Python Django admin site not have styles or CSS loading.

How to fix Python Django admin site not have styles or CSS loading?

To fix Python Django admin site not have styles or CSS loading, we run the collectstatic command.

For instance, we run

python manage.py collectstatic

in our app project after the STATIC_ROOT and STATIC_URL settings are set.

Conclusion

To fix Python Django admin site not have styles or CSS loading, we run the collectstatic command.