/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 vote170 views1 answer
Comment voir les requêtes SQL brutes exécutées par Django?
Python Django
0 vote156 views1 answer
Run django localhost server
Python Django
3 votes264 views1 answer
Python how to check in a list
Python
0 vote187 views2 answers
Weigted average in pandas
Python
10 votes170 views2 answers
Copy whole directory python
Python
1 vote137 views1 answer
Python dictionary dot product
Python
0 vote156 views1 answer
Show all urls django extensions
Python Django
-1 vote177 views4 answers
Flask docs
Python Flask
4 votes140 views3 answers
Pandas df by row index
Python
85 votes140 views6 answers
Python sort dataframe by one column
Python