[chordpro] Template job is done by the template

patacrep/songs/chordpro/__init__.py

@@ -34,10 +34,9 @@ class ChordproSong(Song):
                 'lang',
                 self.cached['song'].get_data_argument('language', 'english'),
                 ),
-            #'columns': self.cached['song'].get_data_argument('columns', 1),
             "path": files.relpath(self.fullpath, os.path.dirname(output)),
-            "titles": r"\\".join(self.titles),
-            "authors": ", ".join(["{} {}".format(name[1], name[0]) for name in self.authors]),
+            "titles": self.titles,
+            "authors": self.authors,
             "metadata": self.data,
             "render": self.render_tex,
             }

patacrep/songs/chordpro/data/latex/song.tex

@@ -8,8 +8,22 @@
 (* endif *)
 \songcolumns{(( metadata.columns ))}
 
-\beginsong{((titles))}[
-  by={((authors))},
+\beginsong{
+    (*- for title in titles -*)
+        (( title ))
+        (*- if not loop.last -*)
+            \\
+        (* endif *)
+    (* endfor -*)
+}[
+  by={
+      (* for author in authors *)
+        (( author[1] )) (( author[0] ))
+        (*- if not loop.last -*)
+        ,
+        (* endif *)
+      (* endfor *)
+  },
   (* for key in ['album', 'copyright', 'cov', 'vcov', 'tag'] *)
   (* if key in metadata *)
   (( key ))={(( metadata[key] ))},