signal post_import, post_export

AUTHORS

@@ -69,3 +69,4 @@ The following is a list of much appreciated contributors:
 * jbradberry (Jeff Bradberry)
 * antoniablair 
 * kellerkind
+* yueyoum (Johnnie Wang)

docs/getting_started.rst

@@ -271,6 +271,25 @@ that have their column ``delete`` set to ``1``::
             model = Book
 
 
+Signals
+=======
+
+To hook in the import export workflow, you can connect to ``post_import``, ``post_export`` signals:
+
+    from django.dispatch import receiver
+    from import_export.signals import post_import, post_export
+
+    @receiver(post_import, dispatch_uid='balabala...')
+    def _post_import(model, **kwargs):
+        # model is the actual model instance which after import
+        pass
+
+    @receiver(post_export, dispatch_uid='balabala...')
+    def _post_export(model, **kwargs):
+        # model is the actual model instance which after export 
+        pass
+
+
 .. _admin-integration:
 
 Admin integration

import_export/admin.py

@@ -29,6 +29,7 @@ from .resources import (
 from .formats import base_formats
 from .results import RowResult
 from .tmp_storages import TempFolderStorage
+from .signals import post_export, post_import
 
 try:
     from django.utils.encoding import force_text
@@ -190,6 +191,8 @@ class ImportMixin(ImportExportMixinBase):
             messages.success(request, success_message)
             tmp_storage.remove()
 
+            post_import.send(sender=None, model=self.model)
+
             url = reverse('admin:%s_%s_changelist' % self.get_model_info(),
                           current_app=self.admin_site.name)
             return HttpResponseRedirect(url)
@@ -364,6 +367,8 @@ class ExportMixin(ImportExportMixinBase):
             response['Content-Disposition'] = 'attachment; filename=%s' % (
                 self.get_export_filename(file_format),
             )
+
+            post_export.send(sender=None, model=self.model)
             return response
 
         context = {}

import_export/signals.py

@@ -0,0 +1,4 @@
+from django.dispatch import Signal
+
+post_export = Signal(providing_args=["model"])
+post_import = Signal(providing_args=["model"])