From 44f47fba216bf7927897d5bdfc0d9fdd1d946cdf Mon Sep 17 00:00:00 2001
From: "James R. Barlow" <jim@purplerock.ca>
Date: Wed, 3 Aug 2016 02:57:25 -0700
Subject: [PATCH] PDF/A: handle case of no XMP metadata gracefully

---
 ocrmypdf/pdfa.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/ocrmypdf/pdfa.py b/ocrmypdf/pdfa.py
index fd773b68..a58839b7 100644
--- a/ocrmypdf/pdfa.py
+++ b/ocrmypdf/pdfa.py
@@ -130,9 +130,12 @@ def file_claims_pdfa(filename):
     pdf = pypdf.PdfFileReader(filename)
     xmp = pdf.getXmpMetadata()
 
-    pdfa_nodes = xmp.getNodesInNamespace(
-        aboutUri='',
-        namespace='http://www.aiim.org/pdfa/ns/id/')
+    try:
+        pdfa_nodes = xmp.getNodesInNamespace(
+            aboutUri='',
+            namespace='http://www.aiim.org/pdfa/ns/id/')
+    except AttributeError:
+        return {'pass': False, 'output': 'pdf', 'message': 'No XMP metadata'}
 
     pdfa_dict = {attr.localName: attr.value for attr in pdfa_nodes}
     pdfa_dict['pass'] = False