Multiple bib files support

README.md

@@ -21,10 +21,10 @@ information within your articles and pages.
 Configuration is simply:
 
 ```python
-PUBLICATIONS_SRC = 'content/pubs.bib'
+PUBLICATIONS_SRC = ['content/pubs.bib', 'content/pub2.bib']
 ```
 
-If the file is present and readable, then content will be scanned for references
+If the files are present and readable, then content will be scanned for references
 to citation keys. These take the format `[@Bai2011]` or `[@@Bai2011]`. These
 will be replaced by incline citations which provide links to the full
 bibliographic information at the end of the article. The former reference would

pelican_cite.py

@@ -67,14 +67,16 @@ def get_bib_file(article):
     it and return the parsed object.
     """
     if 'publications_src' in article.metadata:
-        refs_file = article.metadata['publications_src']
-        try:
-            local_bib = Parser().parse_file(refs_file)
+        refs_files = article.metadata['publications_src']        
+        local_bib = []
+        for refs_file in refs_files:
+            try:
+                local_bib.append(Parser().parse_file(refs_file) )
+            except PybtexError as e:
+                logger.warn('`pelican_bibtex` failed to parse file %s: %s' % (refs_file,  str(e)))
+        if len(local_bib) > 0:
             return local_bib
-        except PybtexError as e:
-            logger.warn('`pelican_bibtex` failed to parse file %s: %s' % (
-                refs_file,
-                str(e)))
+        else:
             return global_bib
     else:
         return global_bib
@@ -85,8 +87,8 @@ def process_content(article):
     Substitute the citations and add a bibliography for an article or
     page, using the local bib file if specified or the global one otherwise.
     """
-    data = get_bib_file(article)
-    if not data:
+    bib_files = get_bib_file(article)
+    if not bib_files:
         return
     content = article._content
     content = content.replace("@","@")
@@ -103,8 +105,9 @@ def process_content(article):
 
     # Get formatted entries for the appropriate bibliographic entries
     cited = []
-    for key in data.entries.keys():
-        if key in cite_count: cited.append(data.entries[key])
+    for data in bib_files:
+        for key in data.entries.keys():
+            if key in cite_count: cited.append(data.entries[key])
     if len(cited) == 0: return
     formatted_entries = style.format_entries(cited)
 
@@ -165,13 +168,13 @@ def add_citations(generators):
         return
 
     if 'PUBLICATIONS_SRC' in generators[0].settings:
-        refs_file = generators[0].settings['PUBLICATIONS_SRC']
-        try:
-            global_bib = Parser().parse_file(refs_file)
-        except PybtexError as e:
-            logger.warn('`pelican_bibtex` failed to parse file %s: %s' % (
-                refs_file,
-                str(e)))
+        refs_files = generators[0].settings['PUBLICATIONS_SRC']
+        global_bib = []
+        for refs_file in refs_files:
+            try:
+                global_bib.append(Parser().parse_file(refs_file) )
+            except PybtexError as e:
+                logger.warn('`pelican_bibtex` failed to parse file %s: %s' % (refs_file,  str(e)))        
 
     # Process the articles and pages
     for generator in generators: