Add support for template variables to markdown filter

BER/mitte.py

@@ -79,11 +79,13 @@ def theme_image_url(self, name):
     def strftime(self, time_struct, format):
         return strftime(format, time_struct)
 
-    def markdown(self, text):
+    def markdown(self, text, ctx=dict()):
         md = misaka.Markdown(
             misaka.HtmlRenderer(),
             extensions=('fenced-code',))
-        return Markup(md(text))
+        tpl = JinjaEnvironment().from_string(text)
+        print(ctx)
+        return Markup(md(tpl.render(**ctx)))
 
     def get_globals(self):
         globals = {

tests/site/data/test_markdown_tpl.yaml

@@ -0,0 +1 @@
+text: "# Markdown {{ test_variable }}"

tests/site/site.yaml

@@ -130,3 +130,10 @@ pages:
         format: "yaml"
         src: "test_markdown.yaml"
     tpl_name: "/test-markdown.html"
+  /markdown-with-ctx:
+    test_variable: TEST-CTX
+    data_sources:
+      entry:
+        format: "yaml"
+        src: "test_markdown_tpl.yaml"
+    tpl_name: "/test-markdown-ctx.html"

tests/site/templates/test-markdown-ctx.html

@@ -0,0 +1 @@
+{{ entry.text | markdown(ctx=page) }}

tests/test.py

@@ -118,6 +118,12 @@ def test_markdown_filter(self):
         self.assertEqual(200, response.code)
         self.assertEqual(b'<h1>Markdown Test</h1>\n', response.body)
 
+    def test_markdown_filter_with_context(self):
+        response = self.fetch('/markdown-with-ctx', method='GET')
+
+        self.assertEqual(200, response.code)
+        self.assertEqual(b'<h1>Markdown TEST-CTX</h1>\n', response.body)
+
     def test_unpublished_page(self):
         """ test that pages marked as unpublished return 404 """