Fix that generated schemas could contain empty descriptions (v3) (#984)

Author: DoctorJohn

graphene_django/converter.py

@@ -119,7 +119,7 @@ def convert_django_field_with_choices(
 
 
 def get_django_field_description(field):
-    return None if field.help_text is None else str(field.help_text)
+    return str(field.help_text) if field.help_text else None
 
 
 @singledispatch
@@ -230,11 +230,10 @@ def dynamic_type():
         if not _type:
             return
 
-        description = (
-            field.help_text
-            if isinstance(field, models.ManyToManyField)
-            else field.field.help_text
-        )
+        if isinstance(field, models.ManyToManyField):
+            description = get_django_field_description(field)
+        else:
+            description = get_django_field_description(field.field)
 
         # If there is a connection, we should transform the field
         # into a DjangoConnectionField

graphene_django/filter/tests/test_fields.py

@@ -845,7 +845,6 @@ class Query(ObjectType):
         }
     
         type PetType implements Node {
-          \"""\"""
           age: Int!
     
           \"""The ID of the object\"""
@@ -915,7 +914,6 @@ class Query(ObjectType):
         }
 
         type PetType implements Node {
-          \"""\"""
           age: Int!
         
           \"""The ID of the object\"""

graphene_django/filter/utils.py

@@ -30,9 +30,7 @@ def get_filtering_args_from_filterset(filterset_class, type):
             form_field = filter_field.field
 
         field_type = convert_form_field(form_field).Argument()
-        field_type.description = (
-            None if filter_field.label is None else str(filter_field.label)
-        )
+        field_type.description = str(filter_field.label) if filter_field.label else None
         args[name] = field_type
 
     return args

graphene_django/forms/converter.py

@@ -9,7 +9,7 @@
 
 
 def get_form_field_description(field):
-    return None if field.help_text is None else str(field.help_text)
+    return str(field.help_text) if field.help_text else None
 
 
 @singledispatch

graphene_django/tests/test_types.py

@@ -121,26 +121,14 @@ def test_schema_representation():
         type Article implements Node {
           \"""The ID of the object\"""
           id: ID!
-
-          \"""\"""
           headline: String!
-
-          \"""\"""
           pubDate: Date!
-
-          \"""\"""
           pubDateTime: DateTime!
-
-          \"""\"""
           reporter: Reporter!
-
-          \"""\"""
           editor: Reporter!
 
           \"""Language\"""
           lang: ArticleLang!
-
-          \"""\"""
           importance: ArticleImportance
         }
 
@@ -184,28 +172,13 @@ def test_schema_representation():
 
         \"""Reporter description\"""
         type Reporter {
-          \"""\"""
           id: ID!
-
-          \"""\"""
           firstName: String!
-
-          \"""\"""
           lastName: String!
-
-          \"""\"""
           email: String!
-
-          \"""\"""
           pets: [Reporter!]!
-
-          \"""\"""
           aChoice: ReporterAChoice
-
-          \"""\"""
           reporterType: ReporterReporterType
-
-          \"""\"""
           articles(before: String = null, after: String = null, first: Int = null, last: Int = null): ArticleConnection!
         }
 
@@ -513,13 +486,8 @@ class Query(ObjectType):
             }
 
             type Pet {
-              \"""\"""
               id: ID!
-
-              \"""\"""
               kind: String!
-
-              \"""\"""
               cuteness: Int!
             }
             """
@@ -543,13 +511,8 @@ class Query(ObjectType):
             }
 
             type Pet {
-              \"""\"""
               id: ID!
-
-              \"""\"""
               kind: PetModelKind!
-
-              \"""\"""
               cuteness: Int!
             }
 
@@ -582,13 +545,8 @@ class Query(ObjectType):
             }
 
             type Pet {
-              \"""\"""
               id: ID!
-
-              \"""\"""
               kind: String!
-
-              \"""\"""
               cuteness: Int!
             }
             """
@@ -616,10 +574,7 @@ class Query(ObjectType):
             }
 
             type PetModelKind {
-              \"""\"""
               id: ID!
-
-              \"""\"""
               kind: TestsPetModelKindChoices!
             }
 
@@ -658,10 +613,7 @@ class Query(ObjectType):
             }
 
             type PetModelKind {
-              \"""\"""
               id: ID!
-
-              \"""\"""
               kind: CustomEnumKind!
             }