From afc1106838120503bd4cde2af80781e3e2738c9d Mon Sep 17 00:00:00 2001
From: RTB <robtberge@gmail.com>
Date: Sat, 17 May 2014 14:11:03 +0200
Subject: [PATCH] NIST now logs an error if chemical name is not found

---
 FourmiCrawler/sources/NIST.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/FourmiCrawler/sources/NIST.py b/FourmiCrawler/sources/NIST.py
index 17552e5..d5eaa76 100644
--- a/FourmiCrawler/sources/NIST.py
+++ b/FourmiCrawler/sources/NIST.py
@@ -20,6 +20,11 @@ class NIST(Source):
     def parse(self, response):
         sel = Selector(response)
 
+        title = sel.xpath('head/title/text()').extract()[0]
+        if title == 'Name Not Found':
+            log.msg('NIST: Chemical not found!', level=log.ERROR)
+            return
+
         requests = []
 
         requests.extend(self.parse_generic_info(sel))