From a6a7130b31a888ea1830b1aa29d0dca2f4c45aab Mon Sep 17 00:00:00 2001
From: smurail <simon.murail@budget-insight.com>
Date: Mon, 20 Oct 2014 13:21:43 +0200
Subject: [PATCH] add ChecksumPage mixin

---
 weboob/browser/pages.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/weboob/browser/pages.py b/weboob/browser/pages.py
index 27fcfcc8..094788e6 100644
--- a/weboob/browser/pages.py
+++ b/weboob/browser/pages.py
@@ -570,3 +570,17 @@ class LoggedPage(object):
     pages with a login form.
     """
     logged = True
+
+
+class ChecksumPage(object):
+    """
+    Compute a checksum of raw content before parsing it.
+    """
+    import hashlib
+
+    hashfunc = hashlib.md5
+    checksum = None
+
+    def build_doc(self, content):
+        self.checksum = self.hashfunc(content).hexdigest()
+        return super(ChecksumPage, self).build_doc(content)