Add logging in magic methods

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Related #5609

Author: stsewd

readthedocs/doc_builder/backends/mkdocs.py

@@ -97,6 +97,10 @@ def load_yaml_config(self):
             return config
 
         except IOError:
+            log.info(
+                'Creating default MkDocs config file for project: %s',
+                self.project.slug,
+            )
             return {
                 'site_name': self.version.project.name,
             }

readthedocs/doc_builder/backends/sphinx.py

@@ -60,6 +60,10 @@ def __init__(self, *args, **kwargs):
 
     def _write_config(self, master_doc='index'):
         """Create ``conf.py`` if it doesn't exist."""
+        log.info(
+            'Creating default Sphinx config file for project: %s',
+            self.project.slug,
+        )
         docs_dir = self.docs_dir()
         conf_template = render_to_string(
             'sphinx/conf.py.conf',