Backwards compatibility: retain the existing template name interface for LaTeXWriter.render.

Author: jayaddison

sphinx/writers/latex.py

@@ -437,7 +437,7 @@ def astext(self) -> str:
             'body': ''.join(self.body),
             'indices': self.generate_indices(),
         })
-        return self.render('latex.tex', self.elements)
+        return self.render('latex.tex.jinja', self.elements)
 
     def hypertarget(self, id: str, withdoc: bool = True, anchor: bool = True) -> str:
         if withdoc:
@@ -517,13 +517,16 @@ def generate(content: list[tuple[str, list[IndexEntry]]], collapsed: bool) -> No
     def render(self, template_name: str, variables: dict[str, Any]) -> str:
         renderer = LaTeXRenderer(latex_engine=self.config.latex_engine)
         for template_dir in self.config.templates_path:
-            for template_suffix in ('_t', '.jinja'):
-                template = path.join(self.builder.confdir, template_dir,
-                                     template_name + template_suffix)
-                if path.exists(template):
-                    return renderer.render(template, variables)
+            template = path.join(self.builder.confdir, template_dir,
+                                 template_name)
+            if path.exists(template):
+                return renderer.render(template, variables)
+            elif template_name.endswith('.jinja'):
+                legacy_template = template[:-len('.jinja')] + '_t'
+                if path.exists(legacy_template):
+                    return renderer.render(legacy_template, variables)
 
-        return renderer.render(template_name + '.jinja', variables)
+        return renderer.render(template_name, variables)
 
     @property
     def table(self) -> Table | None:
@@ -1034,7 +1037,7 @@ def depart_table(self, node: Element) -> None:
         assert self.table is not None
         labels = self.hypertarget_to(node)
         table_type = self.table.get_table_type()
-        table = self.render(table_type + '.tex',
+        table = self.render(table_type + '.tex.jinja',
                             {'table': self.table, 'labels': labels})
         self.body.append(BLANKLINE)
         self.body.append(table)