From f00191a6dbc0d2ac49363e653baff6b700543dca Mon Sep 17 00:00:00 2001
From: peppelinux <giuseppe.demarco@unical.it>
Date: Wed, 5 Aug 2020 12:03:40 +0200
Subject: [PATCH] [OAS3] integer and number formats

---
 rest_framework/schemas/generators.py | 4 +++-
 rest_framework/schemas/openapi.py    | 7 ++++---
 tests/schemas/test_openapi.py        | 2 +-
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/rest_framework/schemas/generators.py b/rest_framework/schemas/generators.py
index d3c6446aa..1008378fe 100644
--- a/rest_framework/schemas/generators.py
+++ b/rest_framework/schemas/generators.py
@@ -151,7 +151,9 @@ class BaseSchemaGenerator:
     # Set by 'SCHEMA_COERCE_PATH_PK'.
     coerce_path_pk = None
 
-    def __init__(self, title=None, url=None, description=None, patterns=None, urlconf=None, version=None):
+    def __init__(self, title=None, url=None, description=None,
+                 patterns=None, urlconf=None, version=None):
+
         if url and not url.endswith('/'):
             url += '/'
 
diff --git a/rest_framework/schemas/openapi.py b/rest_framework/schemas/openapi.py
index 9774a94c7..c9b910b29 100644
--- a/rest_framework/schemas/openapi.py
+++ b/rest_framework/schemas/openapi.py
@@ -113,9 +113,8 @@ class SchemaGenerator(BaseSchemaGenerator):
 
         return schema
 
+
 # View Inspectors
-
-
 class AutoSchema(ViewInspector):
 
     def __init__(self, tags=None, operation_id_base=None, component_name=None):
@@ -471,13 +470,15 @@ class AutoSchema(ViewInspector):
         if isinstance(field, serializers.FloatField):
             content = {
                 'type': 'number',
+                'format': 'float'
             }
             self._map_min_max(field, content)
             return content
 
         if isinstance(field, serializers.IntegerField):
             content = {
-                'type': 'integer'
+                'type': 'integer',
+                'format': 'int64'
             }
             self._map_min_max(field, content)
             # 2147483647 is max for int32_size, so we use int64 for format
diff --git a/tests/schemas/test_openapi.py b/tests/schemas/test_openapi.py
index d483f3d45..f80507142 100644
--- a/tests/schemas/test_openapi.py
+++ b/tests/schemas/test_openapi.py
@@ -54,7 +54,7 @@ class TestFieldMapping(TestCase):
         cases = [
             (serializers.ListField(), {'items': {}, 'type': 'array'}),
             (serializers.ListField(child=serializers.BooleanField()), {'items': {'type': 'boolean'}, 'type': 'array'}),
-            (serializers.ListField(child=serializers.FloatField()), {'items': {'type': 'number'}, 'type': 'array'}),
+            (serializers.ListField(child=serializers.FloatField()), {'items': {'type': 'number', 'format': 'float'}, 'type': 'array'}),
             (serializers.ListField(child=serializers.CharField()), {'items': {'type': 'string'}, 'type': 'array'}),
             (serializers.ListField(child=serializers.IntegerField(max_value=4294967295)),
              {'items': {'type': 'integer', 'maximum': 4294967295, 'format': 'int64'}, 'type': 'array'}),