From 640b953ec7fe7d11e53c641735f9184eaa73bcc0 Mon Sep 17 00:00:00 2001
From: "James R. Barlow" <jim@purplerock.ca>
Date: Tue, 17 Apr 2018 14:55:32 -0700
Subject: [PATCH] Fix PDF/A validation failure due to timezone being omitted
 from /ModDate

---
 src/ocrmypdf/pdfa.py     | 4 +++-
 src/ocrmypdf/pipeline.py | 4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/ocrmypdf/pdfa.py b/src/ocrmypdf/pdfa.py
index ffd0ff77..67a02d87 100644
--- a/src/ocrmypdf/pdfa.py
+++ b/src/ocrmypdf/pdfa.py
@@ -129,7 +129,9 @@ def encode_pdf_date(d: datetime) -> str:
         s += "+00'00'"
     elif tz != '':
         sign, tz_hours, tz_mins = tz[0], tz[1:3], tz[3:5]
-        s += "{}{}'{tz}'".format(sign, tz_hours, tz_mins)
+        s += "{}{}'{}'".format(sign, tz_hours, tz_mins)
+    else:
+        raise ValueError("Naive timezone not supported")
     return s
 
 
diff --git a/src/ocrmypdf/pipeline.py b/src/ocrmypdf/pipeline.py
index 88711935..e3359753 100644
--- a/src/ocrmypdf/pipeline.py
+++ b/src/ocrmypdf/pipeline.py
@@ -18,7 +18,7 @@
 from contextlib import suppress
 from shutil import copyfileobj
 from pathlib import Path
-from datetime import datetime
+from datetime import datetime, timezone
 import sys
 import os
 import shutil
@@ -900,7 +900,7 @@ def get_pdfmark(base_pdf, options):
         PROGRAM_NAME, VERSION,
         renderer_tag,
         tesseract.version())
-    pdfmark['/ModDate'] = encode_pdf_date(datetime.utcnow())
+    pdfmark['/ModDate'] = encode_pdf_date(datetime.now(timezone.utc))
     return pdfmark