Add unified helper for jinja rendering

md_pdf/build/jinja.py

@@ -0,0 +1,15 @@
+from jinja2 import Environment
+
+
+def render_content(content, context):
+    env = Environment(
+        trim_blocks=True,
+        lstrip_blocks=True,
+        extensions=[
+            'jinja2.ext.with_',
+            'jinja2.ext.loopcontrols'
+        ]
+
+    )
+    template = env.from_string(content)
+    return template.render(**context)