From 493a068815c31a0bdd43ab83a2bd3883eb4cd816 Mon Sep 17 00:00:00 2001
From: viernullvier <hannes.breul+github@gmail.com>
Date: Wed, 7 Oct 2015 17:44:06 +0200
Subject: [PATCH] Suppress base_url via attribute

Don't prepend base_url to URLs if the tag's attribute 'data-premailer' is set to 'ignore'
---
 premailer/premailer.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/premailer/premailer.py b/premailer/premailer.py
index 76736b3..fe1852f 100644
--- a/premailer/premailer.py
+++ b/premailer/premailer.py
@@ -441,6 +441,8 @@ def transform(self, pretty_print=True, **kwargs):
                 for item in page.xpath("//@%s" % attr):
                     parent = item.getparent()
                     url = parent.attrib[attr]
+                    if parent.attrib.pop(self.attribute_name, None) == 'ignore':
+                        continue
                     if (
                         attr == 'href' and self.preserve_internal_links and
                         url.startswith('#')