SF.net SVN: docutils:[9970] trunk/docutils

Revision: 9970
          http://sourceforge.net/p/docutils/code/9970
Author:   milde
Date:     2024-10-26 09:15:18 +0000 (Sat, 26 Oct 2024)
Log Message:
-----------
Fix recursion in `nodes.Element.get_language_code()`.

Because of a typo, `Element.get_language_code()` did not find language
tags in parent elements but just return the fallback value.

Thanks to Marcello Perathoner for the report.
http://permalink.gmane.org/gmane.text.docutils.devel/10544

Modified Paths:
--------------
    trunk/docutils/HISTORY.rst
    trunk/docutils/docutils/nodes.py
    trunk/docutils/test/test_nodes.py

Modified: trunk/docutils/HISTORY.rst
===================================================================
--- trunk/docutils/HISTORY.rst	2024-10-25 22:46:34 UTC (rev 9969)
+++ trunk/docutils/HISTORY.rst	2024-10-26 09:15:18 UTC (rev 9970)
@@ -68,6 +68,7 @@
   - New function `parse_measure()`.
   - Removed `Element.set_class()`.
   - Downgrade "duplicate ID" message level from SERIOUS to ERROR.
+  - Fix recursion in `Element.get_language_code()`.
 
 * docutils/parsers/docutils_xml.py
 

Modified: trunk/docutils/docutils/nodes.py
===================================================================
--- trunk/docutils/docutils/nodes.py	2024-10-25 22:46:34 UTC (rev 9969)
+++ trunk/docutils/docutils/nodes.py	2024-10-26 09:15:18 UTC (rev 9970)
@@ -813,7 +813,7 @@
             if cls.startswith('language-'):
                 return cls.removeprefix('language-')
         try:
-            return self.parent.get_language(fallback)
+            return self.parent.get_language_code(fallback)
         except AttributeError:
             return fallback
 

Modified: trunk/docutils/test/test_nodes.py
===================================================================
--- trunk/docutils/test/test_nodes.py	2024-10-25 22:46:34 UTC (rev 9969)
+++ trunk/docutils/test/test_nodes.py	2024-10-26 09:15:18 UTC (rev 9970)
@@ -240,6 +240,15 @@
         element.clear()
         self.assertTrue(not len(element))
 
+    def test_get_language_code(self):
+        # Return language tag from node or parents
+        parent = nodes.Element(classes=['parental', 'language-pt-BR'])
+        self.assertEqual(parent.get_language_code('en'), 'pt-BR')
+        child = nodes.Element(classes=['small'])
+        self.assertEqual(child.get_language_code('en'), 'en')
+        parent.append(child)
+        self.assertEqual(child.get_language_code('en'), 'pt-BR')
+
     def test_normal_attributes(self):
         element = nodes.Element()
         self.assertTrue('foo' not in element)

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