From 021068a8b7461a62ed4ce68ab558bc94786e0550 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Thu, 21 Jan 2021 12:25:46 +0100
Subject: [PATCH] mlog: add __len__ to AnsiDecorator

---
 mesonbuild/interpreter.py | 10 +---------
 mesonbuild/mlog.py        |  3 +++
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index c7049c31c..817204fd2 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -1876,14 +1876,6 @@ class Summary:
             self.sections[section][k] = (formatted_values, list_sep)
             self.max_key_len = max(self.max_key_len, len(k))
 
-    def text_len(self, v):
-        if isinstance(v, str):
-            return len(v)
-        elif isinstance(v, mlog.AnsiDecorator):
-            return len(v.text)
-        else:
-            raise RuntimeError('Expecting only strings or AnsiDecorator')
-
     def dump(self):
         mlog.log(self.project_name, mlog.normal_cyan(self.project_version))
         for section, values in self.sections.items():
@@ -1909,7 +1901,7 @@ class Summary:
         line_len = indent
         lines_sep = list_sep.rstrip() + lines_sep
         for v in arr:
-            v_len = self.text_len(v) + len(list_sep)
+            v_len = len(v) + len(list_sep)
             if line and line_len + v_len > max_len:
                 mlog.log(*line, sep=list_sep, end=lines_sep)
                 line_len = indent
diff --git a/mesonbuild/mlog.py b/mesonbuild/mlog.py
index 6207d98a4..a6aa2b563 100644
--- a/mesonbuild/mlog.py
+++ b/mesonbuild/mlog.py
@@ -130,6 +130,9 @@ class AnsiDecorator:
             text = '"{}"'.format(text)
         return text
 
+    def __len__(self) -> int:
+        return len(self.text)
+
     def __str__(self) -> str:
         return self.get_text(colorize_console())