From 38ef36d69eb894f281952330dc87042392d4935a Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 23 Jul 2011 23:06:48 -0600
Subject: [PATCH] Fix #814964 (error message when doing bulk edit)

---
 src/calibre/db/tables.py      | 7 +++++--
 src/calibre/library/sqlite.py | 7 +++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/calibre/db/tables.py b/src/calibre/db/tables.py
index b75effff4b..fa7b001851 100644
--- a/src/calibre/db/tables.py
+++ b/src/calibre/db/tables.py
@@ -12,7 +12,7 @@ from datetime import datetime
 from dateutil.tz import tzoffset
 
 from calibre.constants import plugins
-from calibre.utils.date import parse_date, local_tz
+from calibre.utils.date import parse_date, local_tz, UNDEFINED_DATE
 from calibre.ebooks.metadata import author_to_author_sort
 
 _c_speedup = plugins['speedup'][0]
@@ -29,8 +29,11 @@ def _c_convert_timestamp(val):
     if ret is None:
         return parse_date(val, as_utc=False)
     year, month, day, hour, minutes, seconds, tzsecs = ret
-    return datetime(year, month, day, hour, minutes, seconds,
+    try:
+        return datetime(year, month, day, hour, minutes, seconds,
                 tzinfo=tzoffset(None, tzsecs)).astimezone(local_tz)
+    except OverflowError:
+        return UNDEFINED_DATE.astimezone(local_tz)
 
 class Table(object):
 
diff --git a/src/calibre/library/sqlite.py b/src/calibre/library/sqlite.py
index a2a85806f5..b5917f1a55 100644
--- a/src/calibre/library/sqlite.py
+++ b/src/calibre/library/sqlite.py
@@ -17,7 +17,7 @@ from datetime import datetime
 from functools import partial
 
 from calibre.ebooks.metadata import title_sort, author_to_author_sort
-from calibre.utils.date import parse_date, isoformat, local_tz
+from calibre.utils.date import parse_date, isoformat, local_tz, UNDEFINED_DATE
 from calibre import isbytestring, force_unicode
 from calibre.constants import iswindows, DEBUG, plugins
 from calibre.utils.icu import strcmp
@@ -39,8 +39,11 @@ def _c_convert_timestamp(val):
     if ret is None:
         return parse_date(val, as_utc=False)
     year, month, day, hour, minutes, seconds, tzsecs = ret
-    return datetime(year, month, day, hour, minutes, seconds,
+    try:
+        return datetime(year, month, day, hour, minutes, seconds,
                 tzinfo=tzoffset(None, tzsecs)).astimezone(local_tz)
+    except OverflowError:
+        return UNDEFINED_DATE.astimezone(local_tz)
 
 def _py_convert_timestamp(val):
     if val: