work adding import functionality using django-import-export

dev-requirements.txt

@@ -7,3 +7,4 @@ sphinx
 wheel
 pre-commit
 wagtail-factories
+django-import-export

mep/people/admin.py

@@ -9,7 +9,6 @@
 from django.utils.timezone import now
 from tabular_export.admin import export_to_csv_response
 from viapy.widgets import ViafWidget
-
 from mep.accounts.admin import AddressInline
 from mep.common.admin import (
     CollapsedTabularInline,
@@ -27,6 +26,12 @@
     Relationship,
     RelationshipType,
 )
+from import_export.admin import (
+    ImportExportModelAdmin,
+)
+from import_export.resources import ModelResource
+from import_export.widgets import ManyToManyWidget, Widget
+from import_export.fields import Field
 
 
 class InfoURLInline(CollapsibleTabularInline):
@@ -82,7 +87,6 @@ class Meta:
             )
         }
 
-
 class CountryAdmin(admin.ModelAdmin):
     form = CountryAdminForm
     list_display = ("name", "geonames_id", "code")
@@ -436,8 +440,43 @@ class Media:
         ]
 
 
+
+
+class PersonResource(ModelResource):
+    def before_import(self, dataset, *args, **kwargs):
+        # lower and camel_case headers
+        dataset.headers = [x.lower().replace(' ','_') for x in dataset.headers]
+
+    def before_import_row(self, row, **kwargs):
+        # gender to one char
+        def fmt_gender(x):
+            x = str(x).strip()
+            return x[0].upper() if x else ''
+        row['gender']=fmt_gender(row.get('gender'))
+
+    name = Field(column_name='name', attribute='name')
+    gender = Field(column_name='gender', attribute='gender')
+    nationalities = Field(
+        column_name='nationality',
+        attribute='nationalities',
+        widget=ManyToManyWidget(Country, field='name', separator=';')
+    )
+
+    class Meta:
+        model = Person
+        fields = ('name','gender','nationalities')
+        import_id_fields = ('name',)
+        skip_unchanged = True
+        report_skipped = True
+
+
+class PersonAdminWithImport(PersonAdmin, ImportExportModelAdmin):
+    resource_class = PersonResource
+    change_list_template = "templates/admin/people/person/change_list.html"
+
+
 # enable default admin to see imported data
-admin.site.register(Person, PersonAdmin)
+admin.site.register(Person, PersonAdminWithImport)
 admin.site.register(Country, CountryAdmin)
 admin.site.register(Location, LocationAdmin)
 admin.site.register(Profession, NamedNotableAdmin)

mep/settings.py

@@ -69,6 +69,7 @@
     "mep.books",
     "mep.footnotes",
     "mep.pages",
+    "import_export"
 ]
 
 MIDDLEWARE = [