CountryList-module: Put linksearching algorithm in separate function for simple reuse for Titel value

countrylist.py

@@ -298,9 +298,54 @@ missing!" )
                 parts.append( word )
                 parts.append( " " )
 
-        # If we have indexes with out links, search for links
+        # If we have indexes without links, search for links
         if indexes:
 
+            parts = self._search_links( parts, indexes )
+
+            # Join the collected links
+            sep = " "
+            self.interpret = sep.join( parts )
+
+        # Nothing to do, just use raw
+        else:
+            self.interpret = self._interpret_raw
+
+    def get_interpret_value( self ):
+        """
+        Reads value of Interpret parameter
+        If param is not present raise Error
+        """
+        if self.entry.has( "Interpret" ):
+            self._interpret_raw = self.entry.get("Interpret").value.strip()
+        else:
+            raise CountryListEntryError( "Template Parameter 'Interpret' is \
+missing!" )
+
+    def _search_links( self, keywords, indexes=None ):
+        """
+        Search matching wikilinks for keyword(s) in CountryList's wikicode
+
+        @param keywords: One or more keywords to search for
+        @type keywords: str, list
+        @param indexes: List with numeric indexes for items of keywords to work
+                        on only
+        @type indexes: list of ints
+        @return: List or String with replaced keywords
+        @return type: str, list
+        """
+
+        # Maybe convert keywords string to list
+        if( isinstance( keywords, str ) ):
+            keywords = [ keywords, ]
+            string = True
+        else:
+            string = False
+
+        # If indexes worklist was not provided, work on all elements
+        if not indexes:
+            indexes = range( len( keywords ) - 1 )
+
         # Iterate over wikilinks of refpage and try to find related links
         for wikilink in self.wikicode.ifilter_wikilinks():
 
@@ -308,11 +353,11 @@ missing!" )
             for index in indexes:
 
                 # Check wether wikilink matches
-                    if( parts[index] == wikilink.text or
+                if( keywords[index] == wikilink.text or
-                        parts[index] == wikilink.title ):
+                    keywords[index] == wikilink.title ):
 
                     # Overwrite name with complete wikilink
-                            parts[index] = str( wikilink )
+                    keywords[index] = str( wikilink )
 
                     # Remove index from worklist
                     indexes.remove( index )
@@ -324,24 +369,11 @@ missing!" )
                 if not indexes:
                     break
 
-            # Join the collected links
+        # Choose wether return list or string based on input type
-            sep = " "
+        if not string:
-            self.interpret = sep.join( parts )
+            return keywords
-
-        # Nothing to do, just use raw
-        else:
-            self.interpret = self._interpret_raw
-
-    def get_interpret_value( self ):
-        """
-        Reads value of Interpret parameter
-        If param is not present raise Error
-        """
-        if self.entry.has( "Interpret" ):
-            self._interpret_raw = self.entry.get("Interpret").value.strip()
         else:
-            raise CountryListEntryError( "Template Parameter 'Interpret' is \
+            return keywords[0]
-missing!" )
 
 
 class CountryListError( Exception ):