gh-95382: Improve performance of json encoder with indent (GH-118105)

1 files changed, 7 insertions, 7 deletions

diff --git a/Lib/json/encoder.py b/Lib/json/encoder.py
index 597849e..323332f 100644
--- a/Lib/json/encoder.py
+++ b/Lib/json/encoder.py
@@ -244,15 +244,18 @@ class JSONEncoder(object):
             return text
 
 
-        if (_one_shot and c_make_encoder is not None
-                and self.indent is None):
+        if self.indent is None or isinstance(self.indent, str):
+            indent = self.indent
+        else:
+            indent = ' ' * self.indent
+        if _one_shot and c_make_encoder is not None:
             _iterencode = c_make_encoder(
-                markers, self.default, _encoder, self.indent,
+                markers, self.default, _encoder, indent,
                 self.key_separator, self.item_separator, self.sort_keys,
                 self.skipkeys, self.allow_nan)
         else:
             _iterencode = _make_iterencode(
-                markers, self.default, _encoder, self.indent, floatstr,
+                markers, self.default, _encoder, indent, floatstr,
                 self.key_separator, self.item_separator, self.sort_keys,
                 self.skipkeys, _one_shot)
         return _iterencode(o, 0)
@@ -272,9 +275,6 @@ def _make_iterencode(markers, _default, _encoder, _indent, _floatstr,
         _intstr=int.__repr__,
     ):
 
-    if _indent is not None and not isinstance(_indent, str):
-        _indent = ' ' * _indent
-
     def _iterencode_list(lst, _current_indent_level):
         if not lst:
             yield '[]'