super basic templating working

cookbook/helper/template_helper.py

@@ -0,0 +1,19 @@
+import bleach
+import markdown as md
+from bleach_whitelist import markdown_tags, markdown_attrs
+from jinja2 import Template
+
+from cookbook.helper.mdx_attributes import MarkdownFormatExtension
+from cookbook.helper.mdx_urlize import UrlizeExtension
+
+
+def render_instructions(step):  # TODO deduplicate markdown cleanup code
+
+    template = Template(step.instruction)
+    instructions = template.render(ingredients=step.ingredients.all())
+
+    tags = markdown_tags + ['pre', 'table', 'td', 'tr', 'th', 'tbody', 'style', 'thead']
+    parsed_md = md.markdown(instructions, extensions=['markdown.extensions.fenced_code', 'tables', UrlizeExtension(), MarkdownFormatExtension()])
+    markdown_attrs['*'] = markdown_attrs['*'] + ['class']
+
+    return bleach.clean(parsed_md, tags, markdown_attrs)

cookbook/models.py

@@ -180,6 +180,10 @@ class Step(models.Model):
     order = models.IntegerField(default=0)
     show_as_header = models.BooleanField(default=True)
 
+    def get_instruction_render(self):
+        from cookbook.helper.template_helper import render_instructions
+        return render_instructions(self)
+
     class Meta:
         ordering = ['order', 'pk']
 

cookbook/templates/recipe_view.html

@@ -376,7 +376,7 @@
                     <div class="row" style="margin-top: 8px">
                         <div class="col-md-12">
                             {% if s.instruction %}
-                                {{ s.instruction | markdown | safe }}
+                                {{ s.get_instruction_render | safe }}
                             {% endif %}
                         </div>
                     </div>

requirements.txt

@@ -27,3 +27,4 @@ uritemplate==3.0.1
 beautifulsoup4==4.9.3
 microdata==0.7.1
 django-random-queryset==0.1.3
+Jinja2==2.11.0