Deprecate output argument of the Song.render method

patacrep/content/song.py

@@ -33,6 +33,7 @@ class SongRenderer(Content):
         """Return the string to end a block."""
         return r'\end{songs}'
 
+    #pylint: disable=unused-argument
     def render(self, context):
         """Return the string that will render the song."""
         return textwrap.dedent("""\
@@ -43,7 +44,7 @@ class SongRenderer(Content):
                 """).format(
                     separator="%"*80,
                     path=files.path2posix(self.song.subpath),
-                    song=self.song.render(output=context['filename']),
+                    song=self.song.render(),
                 )
 
     def __lt__(self, other):

patacrep/songs/__init__.py

@@ -168,7 +168,7 @@ class Song:
     def __repr__(self):
         return repr((self.titles, self.data, self.fullpath))
 
-    def render(self, output=None, *args, **kwargs):
+    def render(self, *args, **kwargs):
         """Return the code rendering this song.
 
         Arguments:

patacrep/songs/chordpro/__init__.py

@@ -37,7 +37,7 @@ class ChordproSong(Song):
             'song': song,
             }
 
-    def render(self, output=None, template="song"): # pylint: disable=arguments-differ
+    def render(self, template="song"): # pylint: disable=arguments-differ
         context = {
             'lang': self.lang,
             "titles": self.titles,

patacrep/songs/latex/__init__.py

@@ -29,14 +29,14 @@ class Latex2LatexSong(Song):
         else:
             self.authors = []
 
-    def render(self, output):
+    def render(self):
         """Return the code rendering the song."""
         # pylint: disable=signature-differs
-        if output is None:
-            raise ValueError(output)
+        if not self.datadir:
+            raise ValueError(self.datadir)
         path = files.path2posix(files.relpath(
             self.fullpath,
-            os.path.dirname(output)
+            os.path.dirname(self.datadir)
         ))
         return r'\import{{{}/}}{{{}}}'.format(os.path.dirname(path), os.path.basename(path))
 

test/test_chordpro/test_parser.py

@@ -62,7 +62,7 @@ class FileTest(unittest.TestCase, metaclass=dynamic.DynamicTest):
                 with disable_logging():
                     song = self.song_plugins[LANGUAGES[destformat]]['sgc'](sourcename, self.config)
                     self.assertMultiLineEqual(
-                        song.render(output=sourcename).strip(),
+                        song.render().strip(),
                         expectfile.read().strip(),
                         )