Default import mode configuration added

Author: Mahmudul Hasan

README.rst

@@ -49,6 +49,11 @@ A fully configured example project can be found in the example directory of this
     The available parameters are `app_label`, `model_name`, and `resource`. 'resource' should be a function which returns a django-import-export `Resource <https://django-import-export.readthedocs.io/en/latest/api_resources.html>`__.
 
 3. Done
+4. Configure to turn off default dry run import. By default dry run import is `True`
+
+    ::
+
+        IMPORT_DRY_RUN_FIRST_TIME = False
 
 
 Preforming an import

import_export_celery/models/importjob.py

@@ -1,5 +1,6 @@
 # Copyright (C) 2019 o.s. Auto*Mat
 
+from django.conf import settings
 from django.utils import timezone
 
 from author.decorators import with_author
@@ -82,4 +83,4 @@ def importjob_post_save(sender, instance, **kwargs):
     if not instance.processing_initiated:
         instance.processing_initiated = timezone.now()
         instance.save()
-        transaction.on_commit(lambda: run_import_job.delay(instance.pk, dry_run=True))
+        transaction.on_commit(lambda: run_import_job.delay(instance.pk, dry_run=getattr(settings, "IMPORT_DRY_RUN_FIRST_TIME", True)))