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authorRobin Krahl <me@robin-krahl.de>2018-03-24 19:29:47 +0100
committerRobin Krahl <me@robin-krahl.de>2018-03-24 19:30:35 +0100
commite6703218e956db94d6db164e8686652f6341f39c (patch)
tree0d6b913e71b727c346d7892e3ad19251a91b3983 /bibtool/extract.py
parent6384d1815135649af4fa647f3205c16ed7dce95a (diff)
downloadbibtool-master.tar.gz
bibtool-master.tar.bz2
Add fetch command to get BibTeX data for DOIHEADmaster
Diffstat (limited to 'bibtool/extract.py')
-rw-r--r--bibtool/extract.py8
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