Handle bibliography entries without keywords

eoatex2imxml.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8; mode: python -*-
-# Time-stamp: <2019-05-14 17:09:18 (kthoden)>
+# Time-stamp: <2019-05-15 16:51:31 (kthoden)>
 
 """
 Converts Latex files into a customized DocBook XML file.
@@ -1185,9 +1185,23 @@ def bib_keywords_sanity_check(
 
             # just for debugging (?):
             logging.info("We want to collect the entries matching the keywords from the database.")
-            citations_with_keyword = [x["id"] for x in citations_json if keyword in x["keyword"]]
-            logging.debug(f"Found {libeoaconvert.plural(len(citations_with_keyword), 'citation')} with keyword {keyword} in database.")
 
+            citations_with_keyword = []
+            citations_without_keyword = []
+            # citations_with_keyword = [x["id"] for x in citations_json if keyword in x["keyword"]]
+            for cj in citations_json:
+                try:
+                    if keyword in cj["keyword"]:
+                        citations_with_keyword.append(cj["id"])
+                except KeyError:
+                    logging.warning(f"Index entry {cj['id']} has no keyword. As long as it is not cited, this is no problem.")
+                    citations_without_keyword.append(cj["id"])
+                    pass
+            logging.debug(f"Found {libeoaconvert.plural(len(citations_with_keyword), 'citation')} with keyword {keyword} in database.")
+            cited_works_without_keyword = [x for x in citations_without_keyword if x in citekeys]
+            if cited_works_without_keyword:
+                logging.error(f"Found {libeoaconvert.plural(len(cited_works_without_keyword), 'work')} that are cited but have no keyword. Please assign one.")
+                sys.exit(1)
             citations_to_format = [x for x in citations_with_keyword if x in citekeys]
             logging.debug(f"Found {libeoaconvert.plural(len(citations_to_format), 'citation')} with keyword {keyword} that are actually cited.")