fix: DRM-ed EPuBs cannot be opened.

1 files changed, 4 insertions, 0 deletions

diff --git a/epubgrep.py b/epubgrep.py
index 18ab6e4..5fcf2dd 100755
--- a/epubgrep.py
+++ b/epubgrep.py
@@ -7,6 +7,7 @@ import re
 import sys
 import zipfile
 
+from xml.parsers.expat import ExpatError
 from typing import Any, Dict, List, Optional, Tuple
 
 import epub_meta
@@ -156,6 +157,9 @@ def grep_book(filename: str, opts: argparse.Namespace,
     except (epub_meta.EPubException, KeyError, IndexError):
         log.exception(f'Failed to open {filename}')
         return None
+    except ExpatError:
+        log.warning(f'Cannot open (most likely DRMed) {filename}')
+        return None
     book = zipfile.ZipFile(filename)
     printed_booktitle = False