Support rendering variables in footnotes

docxtpl/template.py

@@ -351,6 +351,19 @@ def render_properties(
             rendered = template.render(context)
             setattr(self.docx.core_properties, prop, rendered)
 
+    def render_footnotes(
+            self, context: Dict[str, Any], jinja_env: Optional[Environment] = None
+    ) -> None:
+        if jinja_env is None:
+            jinja_env = Environment()
+
+        for section in self.docx.sections:
+            for part in section.part.package.parts:
+                if part.content_type == 'application/vnd.openxmlformats-officedocument.wordprocessingml.footnotes+xml':
+                    xml = self.patch_xml(part.blob.decode('utf8'))
+                    xml = self.render_xml_part(xml, part, context, jinja_env)
+                    part._blob = xml
+
     def resolve_listing(self, xml):
 
         def resolve_text(run_properties, paragraph_properties, m):
@@ -483,6 +496,8 @@ def render(
 
         self.render_properties(context, jinja_env)
 
+        self.render_footnotes(context, jinja_env)
+
         # set rendered flag
         self.is_rendered = True
 

tests/footnotes.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+"""
+Created : 2024-09-23
+
+@author: Bart Broere
+"""
+
+from docxtpl import DocxTemplate
+
+DEST_FILE = "output/footnotes.docx"
+
+tpl = DocxTemplate("templates/footnotes_tpl.docx")
+
+context = {
+    "a_jinja_variable": "A Jinja variable!"
+}
+
+tpl.render(context)
+tpl.save(DEST_FILE)