#5452: Fix false positive missing-doc-param from multi-line Google-st… (#5459)

* #5452: Fix false positive missing-doc-param from multi-line Google-style docstrings.

Co-authored-by: Daniël van Noord <[email protected]>

Author: allanc65

CONTRIBUTORS.txt

@@ -582,3 +582,6 @@ contributors:
 * Harshil (harshil21): contributor
 
 * Felix von Drigalski (felixvd): contributor
+
+* Allan Chandler (allanc65): contributor
+  - Fixed issue 5452, false positive missing-param-doc for multi-line Google-style params

ChangeLog

@@ -39,6 +39,12 @@ Release date: TBA
 
   Closes #5437
 
+* Fixed handling of Google-style parameter specifications where descriptions
+  are on the line following the parameter name. These were generating
+  false positives for ``missing-param-doc``.
+
+  Closes #5452
+
 ..
   Insert your changelog randomly, it will reduce merge conflicts
   (Ie. not necessarily at the end)

pylint/extensions/_check_docs_utils.py

@@ -646,16 +646,9 @@ def match_param_docs(self):
             if not match:
                 continue
 
-            # check if parameter has description only
-            re_only_desc = re.search(":\n", entry)
-            if re_only_desc:
-                param_name = match.group(1)
-                param_desc = match.group(2)
-                param_type = None
-            else:
-                param_name = match.group(1)
-                param_type = match.group(2)
-                param_desc = match.group(3)
+            param_name = match.group(1)
+            param_type = match.group(2)
+            param_desc = match.group(3)
 
             if param_type:
                 params_with_type.add(param_name)

tests/functional/ext/docparams/parameter/missing_param_doc_required_Google.py

@@ -0,0 +1,18 @@
+"""Tests for missing-param-doc and missing-type-doc for Google style docstrings
+with accept-no-param-doc = no
+
+Styleguide:
+https://google.github.io/styleguide/pyguide.html#doc-function-args
+"""
+# pylint: disable=invalid-name
+
+
+def test_multi_line_parameters(param: int) -> None:
+    """Checks that multi line parameters lists are checked correctly
+    See https://github.com/PyCQA/pylint/issues/5452
+
+    Args:
+        param:
+            a description
+    """
+    print(param)

tests/functional/ext/docparams/parameter/missing_param_doc_required_Google.rc

@@ -0,0 +1,6 @@
+[MASTER]
+load-plugins = pylint.extensions.docparams
+
+[BASIC]
+accept-no-param-doc=no
+docstring-min-length: -1