output human readable size of project on product.

modified:   make_post_sell/templates/product.j2
	modified:   make_post_sell/views/product.py

make_post_sell/templates/product.j2

@@ -16,7 +16,6 @@
   -->
 {%- endblock append_to_head_tag_section -%}
 
-
 {%- block call_to_action -%}
 {% if request.user.can_edit_shop(request.shop) %}
 <a href="/p/{{ product.id }}/edit" class="product-edit-button mps-button mps-button-small">&#9998; Edit</a>
@@ -35,7 +34,6 @@
     <a href="{{ product.shop.absolute_about_url(request) }}" rel="nofollow">{{ product.shop.name }}</a>
     </h3>
 
-    
     {% if "thumbnail1" in product.extensions %}
     <img src="{{ request.app["bucket.secure_uploads.get_endpoint"] }}/{{ product.s3_path }}/thumbnail1?ts={{ product.updated_timestamp }}" class="product-main" />
     <br/>
@@ -47,8 +45,7 @@
     <a href="{{ get_endpoint }}" target="_blank"><img src="{{ get_endpoint }}?ts={{ product.updated_timestamp }}" class="product-thumbnail" /></a>
     {% endif %}
     {% endfor %}
-    
-    
+
   </section>
   
   <section class="product-right">
@@ -122,9 +119,10 @@
   {% elif product.has_product_file %}
     <b>File Type</b>
     <br/>
-    {{ product.get_content_type("product") }}
+    {{ product.get_content_type("product") }} {{ product_size }}
     <br/>
     Please make sure you have an application to open this file type.
+
   {% endif %}
 
 </section>

make_post_sell/views/product.py

@@ -74,8 +74,25 @@ def product(request):
             ExpiresIn=900
         )
 
+    response = request.secure_uploads_client.head_object(
+        Bucket=request.app["bucket.secure_uploads"],
+        Key=product.s3_key,
+    )
+
+    product_content_length = response["ContentLength"]
+
+    def sizeof_fmt(num, suffix="B"):
+        for unit in ["", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi"]:
+            if abs(num) < 1024.0:
+                return f"{num:3.1f}{unit}{suffix}"
+            num /= 1024.0
+        return f"{num:.1f}Yi{suffix}"
+    
+    product_size = sizeof_fmt(product_content_length)
+
     return {
         "product": product,
+        "product_size": product_size,
         "signed_get_object_url": signed_get_object_url,
     }