forms: max_length -> max_num

Author: timgraham

django_mongodb_backend/fields/embedded_model_array.py

@@ -36,13 +36,14 @@ def get_db_prep_value(self, value, connection, prepared=False):
         return value
 
     def formfield(self, **kwargs):
-        # Skip ArrayField.formfield() which has unneeded base_field.
+        # Skip ArrayField.formfield() which has some differeences, including
+        # unneeded "base_field" and "max_length" instea d of "max_num".
         return Field.formfield(
             self,
             **{
                 "form_class": forms.EmbeddedModelArrayField,
                 "model": self.base_field.embedded_model,
-                "max_length": self.max_size,
+                "max_num": self.max_size,
                 "prefix": self.name,
                 **kwargs,
             },

django_mongodb_backend/forms/fields/embedded_model_array.py

@@ -14,13 +14,13 @@ def models_to_dicts(models):
 
 
 class EmbeddedModelArrayField(forms.Field):
-    def __init__(self, model, prefix, max_length=None, *args, **kwargs):
+    def __init__(self, model, prefix, max_num=None, *args, **kwargs):
         self.model = model
         self.prefix = prefix
         self.formset = formset_factory(
             form=modelform_factory(model, fields="__all__"),
             can_delete=True,
-            max_num=max_length,
+            max_num=max_num,
             extra=3,
             validate_max=True,
         )

docs/source/ref/forms.rst

@@ -26,7 +26,7 @@ Some MongoDB-specific fields are available in ``django_mongodb_backend.forms``.
 ``EmbeddedModelArrayField``
 ---------------------------
 
-.. class:: EmbeddedModelArrayField(model, prefix, max_length=None, **kwargs)
+.. class:: EmbeddedModelArrayField(model, prefix, max_num=None, **kwargs)
 
     .. versionadded:: 5.2.0b1
 
@@ -43,7 +43,7 @@ Some MongoDB-specific fields are available in ``django_mongodb_backend.forms``.
         in this field's subform will have so that the names don't collide with
         fields in the main form.
 
-    .. attribute:: max_length
+    .. attribute:: max_num
 
         This is an optional argument which validates that the array does not
         exceed the stated length.