paraguardarloglobalendjango.py

from django.db.models.signals import pre_save, pre_delete
from django.contrib.admin.models import LogEntry, DELETION, ADDITION, CHANGE
from django.utils.encoding import force_text
##Django admin
def get_content_type_for_model(obj):
    return ContentType.objects.get_for_model(obj)

import inspect
from django.core.handlers.wsgi import WSGIRequest


#Encontrado en Google
def obtener_usuario_y_path_fuera_de_un_views():
	try:
		user = None
		outer_frames = inspect.getouterframes(inspect.currentframe())
		for tpl in outer_frames:
		        arginfo = inspect.getargvalues(tpl[0])
		        if(type(arginfo[3]) is dict):
		            arg_dict = arginfo[3].copy()
		            for k in arg_dict:
		                if(type(arg_dict.get(k)) is WSGIRequest):
		                    user = arg_dict.get(k).user
		                    path = arg_dict.get(k).path
		                    break
		            del arg_dict
		        del arginfo
		        if(user):                
		            break
		usuario = Usuario.objects.get(usuario=user)
		return usuario, path
	except: pass


@receiver(pre_save)
def log(sender,instance,**kwargs):
	try:
		pre_save.disconnect(log)
		flag = CHANGE
		usuario, path= obtener_usuario_y_path_fuera_de_un_views()
		if not "admin" in path:
			if instance._state.adding:
				flag = ADDITION
				try:
					LogEntry.objects.log_action(
				            user_id=usuario.pk,
				            content_type_id=get_content_type_for_model(instance).pk,
				            object_id=instance.pk,
				            object_repr=force_text(instance),
				            action_flag=flag
				        )
				except Exception as e:
					print e
		pre_save.connect(log)
	except: pass


@receiver(pre_delete)
def log_delete(sender,instance,**kwargs):
	try:
		pre_delete.disconnect(log_delete)
		flag = DELETION
		usuario, path= obtener_usuario_y_path_fuera_de_un_views()
		if not "admin" in path:
				try:
					LogEntry.objects.log_action(
				            user_id=usuario.pk,
				            content_type_id=get_content_type_for_model(instance).pk,
				            object_id=instance.pk,
				            object_repr=force_text(instance),
				            action_flag=flag
				        )
				except Exception as e:
					print e
		pre_delete.connect(log_delete)
	except: pass