Updated to work with Markdown>=3.0

Author: coretl

markdown_inline_graphviz.py

@@ -41,13 +41,12 @@
 
 class InlineGraphvizExtension(markdown.Extension):
 
-    def extendMarkdown(self, md, md_globals):
+    def extendMarkdown(self, md):
         """ Add InlineGraphvizPreprocessor to the Markdown instance. """
         md.registerExtension(self)
-
-        md.preprocessors.add('graphviz_block',
-                             InlineGraphvizPreprocessor(md),
-                             "_begin")
+        md.preprocessors.register(
+            InlineGraphvizPreprocessor(md), 'graphviz_block', 40
+        )
 
 
 class InlineGraphvizPreprocessor(markdown.preprocessors.Preprocessor):

setup.py

@@ -22,7 +22,7 @@
     name="markdown_inline_graphviz_extension",
     version=VERSION,
     py_modules=["markdown_inline_graphviz"],
-    install_requires=['Markdown>=2.3.1'],
+    install_requires=['Markdown>=3.0'],
     author="Cesar Morel",
     author_email="cesaremoreln@gmail.com",
     description="Render inline graphs with Markdown and Graphviz (python3 version)",