Substitute %(prog)s in description and epilog

Ulrik Haugen · Ulrik Haugen · commit 63cd64ce04a5 · 2020-05-26T23:36:38.000+02:00
diff --git a/sphinxarg/parser.py b/sphinxarg/parser.py
@@ -37,7 +37,7 @@ def _try_add_parser_attribute(data, parser, attribname):
     if not isinstance(attribval, str):
         return
     if len(attribval) > 0:
-        data[attribname] = attribval
+        data[attribname] = attribval % {'prog': data['prog']}
 
 
 def _format_usage_without_prefix(parser):
