format

Author: JelleZijlstra

Lib/annotationlib.py

@@ -773,19 +773,22 @@ def value_to_source(value):
 
     """
     if isinstance(value, type):
-        if value.__module__ == 'builtins':
+        if value.__module__ == "builtins":
             return value.__qualname__
-        return f'{value.__module__}.{value.__qualname__}'
+        return f"{value.__module__}.{value.__qualname__}"
     if value is ...:
-        return '...'
+        return "..."
     if isinstance(value, (types.FunctionType, types.BuiltinFunctionType)):
         return value.__name__
     return repr(value)
 
 
 def annotations_to_source(annotations):
     """Convert an annotation dict containing values to approximately the SOURCE format."""
-    return {n: t if isinstance(t, str) else value_to_source(t) for n, t in annotations.items()}
+    return {
+        n: t if isinstance(t, str) else value_to_source(t)
+        for n, t in annotations.items()
+    }
 
 
 def _get_and_call_annotate(obj, format):

Lib/test/test_annotationlib.py

@@ -7,7 +7,14 @@
 import itertools
 import pickle
 import unittest
-from annotationlib import Format, ForwardRef, get_annotations, get_annotate_function, annotations_to_source, value_to_source
+from annotationlib import (
+    Format,
+    ForwardRef,
+    get_annotations,
+    get_annotate_function,
+    annotations_to_source,
+    value_to_source,
+)
 from typing import Unpack
 
 from test import support
@@ -329,7 +336,10 @@ def test_name_lookup_without_eval(self):
         # namespaces without going through eval()
         self.assertIs(ForwardRef("int").evaluate(), int)
         self.assertIs(ForwardRef("int").evaluate(locals={"int": str}), str)
-        self.assertIs(ForwardRef("int").evaluate(locals={"int": float}, globals={"int": str}), float)
+        self.assertIs(
+            ForwardRef("int").evaluate(locals={"int": float}, globals={"int": str}),
+            float,
+        )
         self.assertIs(ForwardRef("int").evaluate(globals={"int": str}), str)
         with support.swap_attr(builtins, "int", dict):
             self.assertIs(ForwardRef("int").evaluate(), dict)
@@ -1100,11 +1110,11 @@ def test_annotations_to_source(self):
         self.assertEqual(annotations_to_source({}), {})
         self.assertEqual(annotations_to_source({"x": int}), {"x": "int"})
         self.assertEqual(annotations_to_source({"x": "int"}), {"x": "int"})
-        self.assertEqual(annotations_to_source({"x": int, "y": str}), {"x": "int", "y": "str"})
+        self.assertEqual(
+            annotations_to_source({"x": int, "y": str}), {"x": "int", "y": "str"}
+        )
 
 
 class TestAnnotationLib(unittest.TestCase):
     def test__all__(self):
         support.check__all__(self, annotationlib)
-
-