Merge pull request #512 from Crozzers/link-patterns-params

Allow link patterns to be passed via extras dict
trentm · May 28, 2023 · 2c092d1 · 2c092d1
2 parents bf3a3fd + 731cff1
commit 2c092d1
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diff --git a/CHANGES.md b/CHANGES.md
@@ -8,6 +8,7 @@
 - [pull #506] Fix `_uniform_outdent` failing with empty strings (issue #505)
 - [pull #509] Fix HTML elements not unhashing correctly (issue 508)
 - [pull #511] Remove deprecated `imp` module (issue #510)
+- [pull #512] Allow link patterns to be passed via extras dict
 
 
 ## python-markdown2 2.4.8

diff --git a/lib/markdown2.py b/lib/markdown2.py
@@ -235,11 +235,14 @@ def __init__(self, html4tags=False, tab_width=4, safe_mode=None,
         self._instance_extras = self.extras.copy()
 
         if 'link-patterns' in self.extras:
+            # allow link patterns via extras dict without kwarg explicitly set
+            link_patterns = link_patterns or extras['link-patterns']
             if link_patterns is None:
                 # if you have specified that the link-patterns extra SHOULD
                 # be used (via self.extras) but you haven't provided anything
                 # via the link_patterns argument then an error is raised
                 raise MarkdownError("If the 'link-patterns' extra is used, an argument for 'link_patterns' is required")
+
         self.link_patterns = link_patterns
         self.footnote_title = footnote_title
         self.footnote_return_symbol = footnote_return_symbol