Fix man build failure in newer sphinx versions

cdist/sphinxext/manpage.py

@@ -7,6 +7,7 @@ from docutils.io import FileOutput
 from os import path
 from sphinx.util.nodes import inline_all_toctrees
 from sphinx import addnodes
+from sphinx.util import logging
 
 """
     Extension based on sphinx builtin manpage.
@@ -15,6 +16,9 @@ from sphinx import addnodes
 """
 
 
+logger = logging.getLogger(__name__)
+
+
 class ManualPageTranslator(sphinx.writers.manpage.ManualPageTranslator):
 
     def header(self):
@@ -28,7 +32,7 @@ class ManualPageWriter(sphinx.writers.manpage.ManualPageWriter):
     def __init__(self, builder):
         super().__init__(builder)
         self.translator_class = (
-            self.builder.translator_class or ManualPageTranslator)
+            self.builder.get_translator_class() or ManualPageTranslator)
 
 
 class ManualPageBuilder(sphinx.builders.manpage.ManualPageBuilder):
@@ -43,7 +47,7 @@ class ManualPageBuilder(sphinx.builders.manpage.ManualPageBuilder):
             components=(docwriter,),
             read_config_files=True).get_default_values()
 
-        self.info(bold('writing... '), nonl=True)
+        logger.info(bold('writing... '), nonl=True)
 
         for info in self.config.man_pages:
             docname, name, description, authors, section = info
@@ -54,7 +58,7 @@ class ManualPageBuilder(sphinx.builders.manpage.ManualPageBuilder):
                     authors = []
 
             targetname = '%s.%s' % (name, section)
-            self.info(darkgreen(targetname) + ' { ', nonl=True)
+            logger.info(darkgreen(targetname) + ' { ', nonl=True)
             destination = FileOutput(
                 destination_path=path.join(self.outdir, targetname),
                 encoding='utf-8')
@@ -63,7 +67,7 @@ class ManualPageBuilder(sphinx.builders.manpage.ManualPageBuilder):
             docnames = set()
             largetree = inline_all_toctrees(self, docnames, docname, tree,
                                             darkgreen, [docname])
-            self.info('} ', nonl=True)
+            logger.info('} ', nonl=True)
             self.env.resolve_references(largetree, docname, self)
             # remove pending_xref nodes
             for pendingnode in largetree.traverse(addnodes.pending_xref):
@@ -76,7 +80,7 @@ class ManualPageBuilder(sphinx.builders.manpage.ManualPageBuilder):
             largetree.settings.section = section
 
             docwriter.write(largetree, destination)
-        self.info()
+        logger.info("")
 
 
 def setup(app):