Merge pull request #8202 from tk0miya/8190_autodoc-process-docstring-without_ending_blankline

Fix #8190: autodoc: parse error for docstring w/o ending blank lines

CHANGES

@@ -25,6 +25,8 @@ Bugs fixed
 * #8143: autodoc: AttributeError is raised when False value is passed to
   autodoc_default_options
 * #8103: autodoc: functools.cached_property is not considered as a property
+* #8190: autodoc: parsing error is raised if some extension replaces docstring
+  by string not ending with blank lines
 * #8192: napoleon: description is disappeared when it contains inline literals
 * #8169: LaTeX: pxjahyper loaded even when latex_engine is not platex
 * #8093: The highlight warning has wrong location in some builders (LaTeX,

sphinx/ext/autodoc/__init__.py

@@ -535,6 +535,11 @@ class Documenter:
                 self.env.app.emit('autodoc-process-docstring',
                                   self.objtype, self.fullname, self.object,
                                   self.options, docstringlines)
+
+                if docstringlines and docstringlines[-1] != '':
+                    # append a blank line to the end of the docstring
+                    docstringlines.append('')
+
             yield from docstringlines
 
     def get_sourcename(self) -> str:

tests/test_ext_autodoc_events.py

@@ -28,7 +28,8 @@ def test_process_docstring(app):
         '.. py:function:: func()',
         '   :module: target.process_docstring',
         '',
-        '   my docstring'
+        '   my docstring',
+        '',
     ]