fix(socialaccount): SOCIALACCOUNT_ONLY vs EMAIL_VERIFICATION

allauth/socialaccount/app_settings.py

@@ -76,7 +76,15 @@ def EMAIL_VERIFICATION(self):
         See email verification method.  When `None`, the default
         `allauth.account` logic kicks in.
         """
-        return self._setting("EMAIL_VERIFICATION", None)
+        from allauth import app_settings as allauth_settings
+        from allauth.account import app_settings as account_settings
+
+        dflt = (
+            account_settings.EmailVerificationMethod.NONE
+            if allauth_settings.SOCIALACCOUNT_ONLY
+            else None
+        )
+        return self._setting("EMAIL_VERIFICATION", dflt)
 
     @property
     def EMAIL_AUTHENTICATION(self):

allauth/socialaccount/apps.py

@@ -10,6 +10,7 @@ class SocialAccountConfig(AppConfig):
     default_auto_field = app_settings.DEFAULT_AUTO_FIELD or "django.db.models.AutoField"
 
     def ready(self):
+        from allauth.socialaccount import checks  # noqa
         from allauth.socialaccount.providers import registry
 
         registry.load()

allauth/socialaccount/checks.py

@@ -0,0 +1,21 @@
+from django.core.checks import Critical, register
+
+
+@register()
+def settings_check(app_configs, **kwargs):
+    from allauth import app_settings as allauth_settings
+    from allauth.account import app_settings as account_settings
+    from allauth.socialaccount import app_settings
+
+    ret = []
+    if allauth_settings.SOCIALACCOUNT_ONLY:
+        if (
+            app_settings.EMAIL_VERIFICATION
+            != account_settings.EmailVerificationMethod.NONE
+        ):
+            ret.append(
+                Critical(
+                    msg="SOCIALACCOUNT_ONLY requires SOCIALACCOUNT_EMAIL_VERIFICATION = 'none'"
+                )
+            )
+    return ret