Fix DRY by adding create_element method in abbr extension

Author: yves-chevallier

docs/changelog.md

@@ -8,6 +8,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). See the [Contributing Guide](contributing.md) for details.
 
+## [Unreleased]
+
+### Changed
+
+* DRY fix in `abbr` extension by introducing method `create_element` (#1483).
+
 ## [3.7] -- 2024-08-16
 
 ### Changed

markdown/extensions/abbr.py

@@ -86,26 +86,29 @@ def __init__(self, md: Markdown | None = None, abbrs: dict | None = None):
         self.RE: re.RegexObject | None = None
         super().__init__(md)
 
+    def create_element(self, title: str, text: str, tail: str) -> etree.Element:
+        ''' Create an `abbr` element. '''
+        abbr = etree.Element('abbr', {'title': title})
+        abbr.text = AtomicString(text)
+        abbr.tail = tail
+        return abbr
+
     def iter_element(self, el: etree.Element, parent: etree.Element | None = None) -> None:
         ''' Recursively iterate over elements, run regex on text and wrap matches in `abbr` tags. '''
         for child in reversed(el):
             self.iter_element(child, el)
         if text := el.text:
             for m in reversed(list(self.RE.finditer(text))):
                 if self.abbrs[m.group(0)]:
-                    abbr = etree.Element('abbr', {'title': self.abbrs[m.group(0)]})
-                    abbr.text = AtomicString(m.group(0))
-                    abbr.tail = text[m.end():]
+                    abbr = self.create_element(self.abbrs[m.group(0)], m.group(0), text[m.end():])
                     el.insert(0, abbr)
                     text = text[:m.start()]
             el.text = text
         if parent is not None and el.tail:
             tail = el.tail
             index = list(parent).index(el) + 1
             for m in reversed(list(self.RE.finditer(tail))):
-                abbr = etree.Element('abbr', {'title': self.abbrs[m.group(0)]})
-                abbr.text = AtomicString(m.group(0))
-                abbr.tail = tail[m.end():]
+                abbr = self.create_element(self.abbrs[m.group(0)], m.group(0), tail[m.end():])
                 parent.insert(index, abbr)
                 tail = tail[:m.start()]
             el.tail = tail