/Python/Created by and updated by in django

Created by and updated by in django

"""Add user created_by and modified_by foreign key refs to any model automatically.
   Almost entirely taken from https://github.com/Atomidata/django-audit-log/blob/master/audit_log/middleware.py"""
from django.db.models import signals
from django.utils.functional import curry

class WhodidMiddleware(object):
    def process_request(self, request):
        if not request.method in ('GET', 'HEAD', 'OPTIONS', 'TRACE'):
            if hasattr(request, 'user') and request.user.is_authenticated():
                user = request.user
            else:
                user = None

            mark_whodid = curry(self.mark_whodid, user)
            signals.pre_save.connect(mark_whodid,  dispatch_uid = (self.__class__, request,), weak = False)

    def process_response(self, request, response):
        signals.pre_save.disconnect(dispatch_uid =  (self.__class__, request,))
        return response

    def mark_whodid(self, user, sender, instance, **kwargs):
        if 'created_by' in instance._meta.fields and not instance.created_by:
            instance.created_by = user
        if 'modified_by' in instance._meta.fields:
            instance.modified_by = user

Source: stackoverflow.com

Similar codes

0 vote234 views1 answer
Convert price to float python
Python
0 vote225 views2 answers
Python2 to python3 converter
Python
6 votes232 views5 answers
Python fill zeros left
Python
0 vote258 views1 answer
Activate inherit function django
Python Django
0 vote243 views1 answer
Python find multiple matches in string
Python
37 votes231 views6 answers
If list element contains string python
Python
33 votes239 views4 answers
Data frame
Python
62 votes216 views6 answers
Sort dictionary by values
Python
1 vote235 views1 answer
Pie
Python
34 votes249 views2 answers
Python shuffle list with seed
Python