DB JSON field: use null=True and blank=True on new fields

This avoid taking down db production when running the migration.

Author: humitos

readthedocs/builds/migrations/0038_add_new_jsonfields.py

@@ -13,6 +13,6 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='build',
             name='_config_json',
-            field=models.JSONField(default=dict, verbose_name='Configuration used in the build'),
+            field=models.JSONField(null=True, blank=True, verbose_name='Configuration used in the build'),
         ),
     ]

readthedocs/builds/models.py

@@ -663,7 +663,11 @@ class Build(models.Model):
         blank=True,
     )
     _config = JSONField(_('Configuration used in the build'), default=dict)
-    _config_json = models.JSONField(_('Configuration used in the build'), default=dict)
+    _config_json = models.JSONField(
+        _('Configuration used in the build'),
+        null=True,
+        blank=True,
+    )
 
     length = models.IntegerField(_('Build Length'), null=True, blank=True)
 

readthedocs/integrations/migrations/0008_add_new_jsonfields.py

@@ -13,16 +13,16 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='httpexchange',
             name='request_headers_json',
-            field=models.JSONField(default=None, null=True, verbose_name='Request headers'),
+            field=models.JSONField(null=True, blank=True, verbose_name='Request headers'),
         ),
         migrations.AddField(
             model_name='httpexchange',
             name='response_headers_json',
-            field=models.JSONField(default=None, null=True, verbose_name='Request headers'),
+            field=models.JSONField(null=True, blank==True, verbose_name='Request headers'),
         ),
         migrations.AddField(
             model_name='integration',
             name='provider_data_json',
-            field=models.JSONField(default=dict, verbose_name='Provider data'),
+            field=models.JSONField(null=True, blank=True, verbose_name='Provider data'),
         ),
     ]

readthedocs/integrations/models.py

@@ -149,7 +149,7 @@ class HttpExchange(models.Model):
         _('Request headers'),
         # Delete after deploy
         null=True,
-        default=None,
+        blank=True,
     )
     request_body = models.TextField(_('Request body'))
 
@@ -158,7 +158,7 @@ class HttpExchange(models.Model):
         _('Request headers'),
         # Delete after deploy
         null=True,
-        default=None,
+        blank=True,
     )
     response_body = models.TextField(_('Response body'))
 
@@ -299,7 +299,11 @@ class Integration(models.Model):
         choices=INTEGRATIONS,
     )
     provider_data = JSONField(_('Provider data'), default=dict)
-    provider_data_json = models.JSONField(_('Provider data'), default=dict)
+    provider_data_json = models.JSONField(
+        _('Provider data'),
+        null=True,
+        blank=True,
+    )
     exchanges = GenericRelation(
         'HttpExchange',
         related_query_name='integrations',