Update pdf invoices to use xhtml2pdf. Closes #180.

cartridge/shop/templates/shop/complete.html

@@ -77,7 +77,9 @@
 <br>
 <form class="order-complete-form" method="post" action="{% url "shop_invoice_resend" order.id %}?next={{ request.path }}">
     {% csrf_token %}
+    {% if has_pdf %}
     <a class="btn btn-primary" href="{% url "shop_invoice" order.id %}?format=pdf">{% trans "Download PDF invoice" %}</a>
+    {% endif %}
     <a class="btn btn-default" target="_blank" href="{% url "shop_invoice" order.id %}">{% trans "View invoice in your browser" %}</a>
     <input type="submit" class="btn btn-default" value="{% trans "Re-send order email" %}">
 </form>

cartridge/shop/views.py

@@ -14,12 +14,16 @@
 from django.template.loader import get_template
 from django.utils.translation import ugettext as _
 from django.views.decorators.cache import never_cache
-
 from mezzanine.conf import settings
 from mezzanine.utils.importing import import_dotted_path
 from mezzanine.utils.views import render, set_cookie, paginate
 from mezzanine.utils.urls import next_url
 
+try:
+    from xhtml2pdf import pisa
+except (ImportError, SyntaxError):
+    pisa = None
+
 from cartridge.shop import checkout
 from cartridge.shop.forms import (AddProductForm, CartItemFormSet,
                                   DiscountForm, OrderForm)
@@ -345,7 +349,7 @@ def complete(request, template="shop/complete.html"):
         names[variation.sku] = variation.product.title
     for i, item in enumerate(items):
         setattr(items[i], "name", names[item.sku])
-    context = {"order": order, "items": items,
+    context = {"order": order, "items": items, "has_pdf": pisa is not None,
                "steps": checkout.CHECKOUT_STEPS}
     return render(request, template, context)
 
@@ -369,8 +373,7 @@ def invoice(request, order_id, template="shop/order_invoice.html",
         name = slugify("%s-invoice-%s" % (settings.SITE_TITLE, order.id))
         response["Content-Disposition"] = "attachment; filename=%s.pdf" % name
         html = get_template(template_pdf).render(context)
-        import ho.pisa
-        ho.pisa.CreatePDF(html, response)
+        pisa.CreatePDF(html, response)
         return response
     return render(request, template, context)
 

setup.py

@@ -38,8 +38,7 @@
 
         install_requires=[
             "mezzanine >= 3.0.6",
-            "pisa >= 3.0.33",
-            "reportlab == 2.7"
+            "xhtml2pdf",
         ],
 
         classifiers=[