Handle case where book contains no bibliography

src/eoatex2imxml.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8; mode: python -*-
-# Time-stamp: <2020-05-20 20:12:38 (kthoden)>
+# Time-stamp: <2020-09-01 14:12:52 (kthoden)>
 
 """
 Converts Latex files into a customized DocBook XML file.
@@ -1484,7 +1484,8 @@ def add_bibliography_to_xml(
     # <EOAciteyear><citekey>Renn2012a</citekey><page/></EOAciteyear>
     # into
     # <span rel="popover" class="citation" citekey="Renn2012a" data-toggle="popover" html="true" data-placement="bottom" data-title="Renn 2012" data-content="The Globalization of Knowledge in History">2012</span>
-    if bib_type == "anthology" or bib_type == "monograph":
+
+    if len(keyword_to_print_bibl_el.keys()) > 0 and (bib_type == "anthology" or bib_type == "monograph"):
 
         if bib_type == "monograph":
             tmp_citation_filename = "used_citations-monograph"
@@ -1628,6 +1629,9 @@ def add_bibliography_to_xml(
 
             intChapterNumber += 1
 
+    else:
+        logging.debug("No bibliography to insert")
+
     # If Bibliography-Type is monograph-numeric search for EOAbibliography and make it all
     if bib_type == "monograph-numeric":
         if xmlTree.find(".//EOAprintbibliography") is not None: