diff options
Diffstat (limited to 'bibtool/extract.py')
| -rw-r--r-- | bibtool/extract.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/bibtool/extract.py b/bibtool/extract.py index 5793da6..824c077 100644 --- a/bibtool/extract.py +++ b/bibtool/extract.py @@ -57,4 +57,10 @@ def get_bibtex_data(doi): request = urllib.request.Request(url, headers=headers) with urllib.request.urlopen(request) as response: bibtex = response.read().decode('utf-8') - return bibtexparser.loads(bibtex) + + bibtex_data = bibtexparser.loads(bibtex) + if not bibtex_data.entries: + raise Exception('Did not find any Bibtex entry.') + if len(bibtex_data.entries) > 1: + raise Exception('Found more than one Bibtex entries.') + return bibtex_data |