try not to break if file can not be parsed

oml/media/__init__.py

@@ -18,6 +18,9 @@ from . import opf
 from meta.utils import decode_html_data, to_isbn13
 import settings
 
+import logging
+logger = logging.getLogger(__name__)
+
 def get_id(f=None, data=None):
     if data:
         return base64.b32encode(hashlib.sha1(data).digest()).decode()
@@ -30,6 +33,7 @@ def metadata(f, from_=None):
     data['extension'] = ext
     data['size'] = os.stat(f).st_size
 
+    try:
         if ext == 'cbr':
             info = cbr.info(f)
         elif ext in ('epub', 'kepub'):
@@ -39,6 +43,9 @@ def metadata(f, from_=None):
             info = pdf.info(f)
         elif ext == 'txt':
             info = txt.info(f)
+    except:
+        logger.debug('failed to load %s info from %s', ext, f, exc_info=1)
+        info = {}
 
     opf_info = {}
     metadata_opf = os.path.join(os.path.dirname(from_ or f), 'metadata.opf')