+ try:
+ self.import_book(file_path, options, attachments)
+ files_imported += 1
+ transaction.commit()
+ except Section.IncompleteError, e:
+ if file_name not in postponed or postponed[file_name] < files_imported:
+ # Push it back into the queue, maybe the missing lessons will show up.
+ if verbose > 0:
+ print self.style.NOTICE('Waiting for missing lessons.')
+ files.append(file_name)
+ postponed[file_name] = files_imported
+ else:
+ # We're in a loop, nothing's being imported - some lesson is really missing.
+ raise e
+ except BaseException, e:
+ import traceback
+ traceback.print_exc()
+ files_skipped += 1