--- a/configmix/config.py	Sun Jul 11 16:43:14 2021 +0200
+++ b/configmix/config.py	Sun Jul 11 17:08:06 2021 +0200
@@ -221,6 +221,17 @@
         else:
             return s
 
+    def getfirstintvar_s(self, *varnames, **kwds):
+        """Get a (possibly substituted) variable and coerce text to a
+        number.
+
+        """
+        s = self.getfirstvar_s(*varnames, **kwds)
+        if isinstance(s, self._TEXTTYPE):
+            return int(s, 0)
+        else:
+            return s
+
     def getboolvarl_s(self, *names, **kwds):
         """Get a (possibly substituted) variable and convert text to a
         boolean
@@ -249,6 +260,20 @@
         else:
             return s
 
+    def getfirstboolvar_s(self, *varnames, **kwds):
+        """Get a (possibly substituted) variable and convert text to a
+        boolean
+
+        """
+        s = self.getfirstvar_s(*varnames, **kwds)
+        if isinstance(s, self._TEXTTYPE):
+            sl = s.strip().lower()
+            if sl not in self._BOOL_CVT:
+                raise ValueError("Not a boolean: %r" % s)
+            return self._BOOL_CVT[sl]
+        else:
+            return s
+
     # Conversion of booleans
     _BOOL_CVT = {
         u('1'): True, u('yes'): True, u('true'): True, u('on'): True,