Make it possible to hide macros in docs

CHANGELOG.md

@@ -2,10 +2,12 @@
 
 ### Features
 - Added a `full_refresh` config item that overrides the behavior of the `--full-refresh` flag ([#1009](https://github.com/fishtown-analytics/dbt/issues/1009), [#2348](https://github.com/fishtown-analytics/dbt/pull/2348))
+- Added a "docs" field to macros, with a "show" subfield to allow for hiding macros from the documentation site ([#2430](https://github.com/fishtown-analytics/dbt/issues/2430))
 - Added intersection syntax for model selector ([#2167](https://github.com/fishtown-analytics/dbt/issues/2167), [#2417](https://github.com/fishtown-analytics/dbt/pull/2417)) 
 
 Contributors:
  - [@raalsky](https://github.com/Raalsky) ([#2417](https://github.com/fishtown-analytics/dbt/pull/2417))
+ - [@alf-mindshift](https://github.com/alf-mindshift) ([#2431](https://github.com/fishtown-analytics/dbt/pull/2431)
 
 ## dbt 0.17.0 (Release TBD)
 

core/dbt/contracts/graph/parsed.py

@@ -287,6 +287,7 @@ class ParsedMacro(UnparsedBaseNode, HasUniqueID):
     depends_on: MacroDependsOn = field(default_factory=MacroDependsOn)
     description: str = ''
     meta: Dict[str, Any] = field(default_factory=dict)
+    docs: Docs = field(default_factory=Docs)
     patch_path: Optional[str] = None
     arguments: List[MacroArgument] = field(default_factory=list)
 
@@ -297,6 +298,7 @@ def patch(self, patch: ParsedMacroPatch):
         self.patch_path: Optional[str] = patch.original_file_path
         self.description = patch.description
         self.meta = patch.meta
+        self.docs = patch.docs
         self.arguments = patch.arguments
         if dbt.flags.STRICT_MODE:
             assert isinstance(self, JsonSchemaMixin)

test/integration/029_docs_generate_tests/test_docs_generate.py

@@ -843,7 +843,7 @@ def _verify_generic_macro_structure(self, manifest):
                 'path', 'original_file_path', 'package_name',
                 'root_path', 'name', 'unique_id', 'tags', 'resource_type',
                 'depends_on', 'meta', 'description', 'patch_path', 'arguments',
-                'macro_sql',
+                'macro_sql', 'docs'
             }
         )
         # Don't compare the sql, just make sure it exists
@@ -869,6 +869,7 @@ def _verify_generic_macro_structure(self, manifest):
                 'resource_type': 'macro',
                 'depends_on': {'macros': []},
                 'description': '',
+                'docs': {'show': True},
                 'patch_path': None,
                 'meta': {},
                 'arguments': [],
@@ -1689,6 +1690,7 @@ def expected_postgres_references_manifest(self, model_database=None):
                     'name': 'test_nothing',
                     'depends_on': {'macros': []},
                     'description': 'My custom test that I wrote that does nothing',
+                    'docs': {'show': True},
                     'macro_sql': AnyStringWith('macro test_nothing'),
                     'original_file_path': self.dir('macros/dummy_test.sql'),
                     'path': self.dir('macros/dummy_test.sql'),

test/unit/test_contracts_graph_parsed.py

@@ -1204,6 +1204,7 @@ def _ok_dict(self):
             'depends_on': {'macros': []},
             'meta': {},
             'description': 'my macro description',
+            'docs': {'show': True},
             'arguments': [],
         }