1 files changed, 31 insertions, 0 deletions
diff --git a/pymdvar/pymdvar.py b/pymdvar/pymdvar.py
new file mode 100644
index 0000000..1173f20
--- /dev/null
+++ b/pymdvar/pymdvar.py
@@ -0,0 +1,31 @@
+from markdown.extensions import Extension
+from markdown.inlinepatterns import Pattern
+
+VARIABLE_RE = r'(\$\{)(\w+)(\})'
+
+
+class VariablePattern(Pattern):
+    def __init__(self, pattern, variables, md=None):
+        print(type(variables))
+        self.variables = variables
+        super().__init__(pattern, md)
+
+    def handleMatch(self, m):
+        variable = m.group(3)
+        value = ''
+        if variable in self.variables:
+            value = self.variables[variable]
+        return value
+
+
+class VariableExtension(Extension):
+    def __init__(self, **kwargs):
+        self.config = {
+            'enable_env': [False, 'Enable Environment variables parsing.'],
+            'variables': [dict(), 'Dictionary holding variables to be used.']
+        }
+        super().__init__(**kwargs)
+
+    def extendMarkdown(self, md):
+        variable = VariablePattern(VARIABLE_RE, variables=self.getConfig('variables'))
+        md.inlinePatterns.register(variable, 'variable', 75)
+\ No newline at end of file