[Fix #170] Support Elasticsearch 7.x

.travis.yml

@@ -31,7 +31,7 @@ matrix:
 cache: pip
 env:
   global:
-    - ES_APT_URL=https://artifacts.elastic.co/packages/6.x/apt
+    - ES_APT_URL=https://artifacts.elastic.co/packages/7.x/apt
 
 before_install:
   # work around https://github.com/travis-ci/travis-ci/issues/8363

README.rst

@@ -27,7 +27,26 @@ Features
 
    - Django >= 1.10
    - Python 2.7, 3.5, 3.6, 3.7
-   - Elasticsearch >= 6.0 < 7.0
+
+**Elasticsearch Compatibility:**
+The library is compatible with all Elasticsearch versions since 5.x **but you have to use a matching major version:**
+
+- For Elasticsearch 7.0 and later, use the major version 7 (7.x.y) of the library.
+
+- For Elasticsearch 6.0 and later, use the major version 6 (6.x.y) of the library.
+
+- For Elasticsearch 5.0 and later, use the major version 0.5 (0.5.x) of the library.
+
+.. code-block:: python
+
+    # Elasticsearch 7.x
+    elasticsearch-dsl>=7.0.0,<8.0.0
+
+    # Elasticsearch 6.x
+    elasticsearch-dsl>=6.0.0,<7.0.0
+
+    # Elasticsearch 5.x
+    elasticsearch-dsl>=0.5.1,<6.0.0
 
 .. _Search: http://elasticsearch-dsl.readthedocs.io/en/stable/search_dsl.html
 
@@ -354,7 +373,7 @@ So for example you can use a custom analyzer_:
     html_strip = analyzer(
         'html_strip',
         tokenizer="standard",
-        filter=["standard", "lowercase", "stop", "snowball"],
+        filter=["lowercase", "stop", "snowball"],
         char_filter=["html_strip"]
     )
 

django_elasticsearch_dsl/documents.py

@@ -127,7 +127,6 @@ def _prepare_action(self, object_instance, action):
         return {
             '_op_type': action,
             '_index': self._index._name,
-            '_type': self._doc_type.name,
             '_id': object_instance.pk,
             '_source': (
                 self.prepare(object_instance) if action != 'delete' else None

example/test_app/documents.py

@@ -14,7 +14,7 @@
 html_strip = analyzer(
     'html_strip',
     tokenizer="standard",
-    filter=["standard", "lowercase", "stop", "snowball"],
+    filter=["lowercase", "stop", "snowball"],
     char_filter=["html_strip"]
 )
 

requirements.txt

@@ -1,2 +1,3 @@
 django>=1.9.6
-elasticsearch-dsl>=6.4.0,<7.0.0
+elasticsearch-dsl>=7.0.0,<8.0.0
+

requirements_dev.txt

@@ -1,7 +1,7 @@
 bumpversion==0.5.3
 wheel==0.32.2
 django>=2.0,<2.2
-elasticsearch-dsl>=2.1.0,<6.2.0
+elasticsearch-dsl>=7.0.0,<8.0.0
 twine
 wheel==0.29.0
 django>=2.0,<2.1

setup.py

@@ -42,7 +42,7 @@
     ],
     include_package_data=True,
     install_requires=[
-        'elasticsearch-dsl>=6.4.0,<7.0.0',
+        'elasticsearch-dsl>=7.0.0<8.0.0',
     ],
     license="Apache Software License 2.0",
     zip_safe=False,

tests/documents.py

@@ -13,7 +13,7 @@
 html_strip = analyzer(
     'html_strip',
     tokenizer="standard",
-    filter=["standard", "lowercase", "stop", "snowball"],
+    filter=["lowercase", "stop", "snowball"],
     char_filter=["html_strip"]
 )
 

tests/test_documents.py

@@ -134,7 +134,6 @@ def test_mapping(self):
 
         self.assertEqual(
             CarDocument._doc_type.mapping.to_dict(), {
-                'car_document': {
                     'properties': {
                         'name': {
                             'type': text_type
@@ -149,7 +148,6 @@ def test_mapping(self):
                             'type': 'double'
                         }
                     }
-                }
             }
         )
 
@@ -209,7 +207,6 @@ def test_model_instance_update(self):
                     'color': doc.prepare_color(None),
                 },
                 '_index': 'car_index',
-                '_type': 'car_document'
             }]
             self.assertEqual(1, mock.call_count)
             self.assertEqual(
@@ -238,7 +235,6 @@ def test_model_instance_iterable_update(self):
                     'color': doc.prepare_color(None),
                 },
                 '_index': 'car_index',
-                '_type': 'car_document'
             },
                 {
                     '_id': car2.pk,
@@ -249,8 +245,7 @@ def test_model_instance_iterable_update(self):
                         'type': car2.type(),
                         'color': doc.prepare_color(None),
                     },
-                    '_index': 'car_index',
-                    '_type': 'car_document'
+                    '_index': 'car_index'
                 }]
             self.assertEqual(1, mock.call_count)
             self.assertEqual(

tests/test_integration.py

@@ -182,7 +182,7 @@ def test_index_to_dict(self):
         text_type = 'string' if ES_MAJOR_VERSION == 2 else 'text'
 
         test_index = DSLIndex('test_index').settings(**index_settings)
-        test_index.doc_type(CarDocument)
+        test_index.document(CarDocument)
 
         index_dict = test_index.to_dict()
 
@@ -193,7 +193,7 @@ def test_index_to_dict(self):
                 'analyzer': {
                     'html_strip': {
                         'tokenizer': 'standard',
-                        'filter': ['standard', 'lowercase',
+                        'filter': ['lowercase',
                                    'stop', 'snowball'],
                         'type': 'custom',
                         'char_filter': ['html_strip']
@@ -202,7 +202,6 @@ def test_index_to_dict(self):
             }
         })
         self.assertEqual(index_dict['mappings'], {
-            'doc': {
                 'properties': {
                     'ads': {
                         'type': 'nested',
@@ -234,7 +233,6 @@ def test_index_to_dict(self):
                     'launched': {'type': 'date'},
                     'type': {'type': text_type}
                 }
-            }
         })
 
     def test_related_docs_are_updated(self):