Preview:
from django.db import IntegrityError

except IntegrityError as e: 
    if 'unique constraint' in e.message: # or e.args[0] from Django 1.10
        #do something
downloadDownload PNG downloadDownload JPEG downloadDownload SVG

Tip: You can change the style, width & colours of the snippet with the inspect tool before clicking Download!

Click to optimize width for Twitter