Update connector model to add new connector

bookwyrm/connectors/settings.py

@@ -1,3 +1,3 @@
 """ settings book data connectors """
 
-CONNECTORS = ["openlibrary", "self_connector", "bookwyrm_connector"]
+CONNECTORS = ["openlibrary", "inventaire", "self_connector", "bookwyrm_connector"]

bookwyrm/migrations/0062_auto_20210406_1731.py

@@ -0,0 +1,22 @@
+# Generated by Django 3.1.6 on 2021-04-06 17:31
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bookwyrm', '0061_auto_20210402_1435'),
+    ]
+
+    operations = [
+        migrations.RemoveConstraint(
+            model_name='connector',
+            name='connector_file_valid',
+        ),
+        migrations.AlterField(
+            model_name='connector',
+            name='connector_file',
+            field=models.CharField(choices=[('openlibrary', 'Openlibrary'), ('inventaire', 'Inventaire'), ('self_connector', 'Self Connector'), ('bookwyrm_connector', 'Bookwyrm Connector')], max_length=255),
+        ),
+    ]

bookwyrm/models/connector.py

@@ -31,16 +31,6 @@ class Connector(BookWyrmModel):
     # when to reset the query count back to 0 (ie, after 1 day)
     query_count_expiry = models.DateTimeField(auto_now_add=True, blank=True)
 
-    class Meta:
-        """ check that there's code to actually use this connector """
-
-        constraints = [
-            models.CheckConstraint(
-                check=models.Q(connector_file__in=ConnectorFiles),
-                name="connector_file_valid",
-            )
-        ]
-
     def __str__(self):
         return "{} ({})".format(
             self.identifier,