refactor: Update type annotations in sphinx.ext.*

5 files changed, 11 insertions, 9 deletions

diff --git a/sphinx/ext/autodoc/__init__.py b/sphinx/ext/autodoc/__init__.py
index ae56cb183..22fc42d46 100644
--- a/sphinx/ext/autodoc/__init__.py
+++ b/sphinx/ext/autodoc/__init__.py
@@ -1065,7 +1065,7 @@ class DecoratorDocumenter(FunctionDocumenter):
     # must be lower than FunctionDocumenter
     priority = -1
 
-    def format_args(self, **kwargs):
+    def format_args(self, **kwargs: Any) -> Any:
         args = super().format_args(**kwargs)
         if ',' in args:
             return args
diff --git a/sphinx/ext/coverage.py b/sphinx/ext/coverage.py
index 987cf2919..e8157848f 100644
--- a/sphinx/ext/coverage.py
+++ b/sphinx/ext/coverage.py
@@ -123,7 +123,7 @@ class CoverageBuilder(Builder):
                     op.write(' * %-50s [%9s]\n' % (name, typ))
                 op.write('\n')
 
-    def ignore_pyobj(self, full_name):
+    def ignore_pyobj(self, full_name: str) -> bool:
         for exp in self.py_ignorexps:
             if exp.search(full_name):
                 return True
diff --git a/sphinx/ext/duration.py b/sphinx/ext/duration.py
index 02e60cf7e..669baf2f1 100644
--- a/sphinx/ext/duration.py
+++ b/sphinx/ext/duration.py
@@ -11,8 +11,8 @@
 from datetime import datetime, timedelta
 from itertools import islice
 from operator import itemgetter
+from typing import Any, Dict, List
 from typing import cast
-from typing import Dict, List
 
 from docutils import nodes
 
@@ -82,7 +82,7 @@ def on_build_finished(app: Sphinx, error: Exception) -> None:
         logger.info('%d.%03d %s', d.seconds, d.microseconds / 1000, docname)
 
 
-def setup(app):
+def setup(app: Sphinx) -> Dict[str, Any]:
     app.add_domain(DurationDomain)
     app.connect('builder-inited', on_builder_inited)
     app.connect('source-read', on_source_read)
diff --git a/sphinx/ext/napoleon/docstring.py b/sphinx/ext/napoleon/docstring.py
index 81f2496cb..7f6ebe478 100644
--- a/sphinx/ext/napoleon/docstring.py
+++ b/sphinx/ext/napoleon/docstring.py
@@ -561,7 +561,7 @@ class GoogleDocstring:
                     lines = self._consume_to_next_section()
             self._parsed_lines.extend(lines)
 
-    def _parse_admonition(self, admonition, section):
+    def _parse_admonition(self, admonition: str, section: str) -> List[str]:
         # type (str, str) -> List[str]
         lines = self._consume_to_next_section()
         return self._format_admonition(admonition, lines)
@@ -603,7 +603,7 @@ class GoogleDocstring:
         label = labels.get(section.lower(), section)
         return self._parse_generic_section(label, use_admonition)
 
-    def _parse_custom_generic_section(self, section):
+    def _parse_custom_generic_section(self, section: str) -> List[str]:
         # for now, no admonition for simple custom sections
         return self._parse_generic_section(section, False)
 
diff --git a/sphinx/ext/viewcode.py b/sphinx/ext/viewcode.py
index 09fcd695f..8d035e76a 100644
--- a/sphinx/ext/viewcode.py
+++ b/sphinx/ext/viewcode.py
@@ -54,10 +54,10 @@ def doctree_read(app: Sphinx, doctree: Node) -> None:
     if app.builder.name.startswith("epub") and not env.config.viewcode_enable_epub:
         return
 
-    def has_tag(modname, fullname, docname, refname):
+    def has_tag(modname: str, fullname: str, docname: str, refname: str) -> bool:
         entry = env._viewcode_modules.get(modname, None)  # type: ignore
         if entry is False:
-            return
+            return False
 
         code_tags = app.emit_firstresult('viewcode-find-source', modname)
         if code_tags is None:
@@ -65,7 +65,7 @@ def doctree_read(app: Sphinx, doctree: Node) -> None:
                 analyzer = ModuleAnalyzer.for_module(modname)
             except Exception:
                 env._viewcode_modules[modname] = False  # type: ignore
-                return
+                return False
 
             analyzer.find_tags()
             code = analyzer.code
@@ -81,6 +81,8 @@ def doctree_read(app: Sphinx, doctree: Node) -> None:
             used[fullname] = docname
             return True
 
+        return False
+
     for objnode in doctree.traverse(addnodes.desc):
         if objnode.get('domain') != 'py':
             continue