compile: get-exported-symbols: Simplify.

* modules/language/python/compile.scm (get-exported-symbols): Simplify
and add docstring.

1 files changed, 10 insertions, 11 deletions

diff --git a/modules/language/python/compile.scm b/modules/language/python/compile.scm
index 6c46ea1..4c07076 100644
--- a/modules/language/python/compile.scm
+++ b/modules/language/python/compile.scm
@@ -104,17 +104,16 @@
         (if (not (equal? val 0))
             (format #t "exit with error ~a~%" val))))))
 
-(define (get-exported-symbols x)
-  (aif it (resolve-module x)
-       (aif it (module-public-interface it)
-            (let ((l '()))
-              (module-for-each
-               (lambda (k b)
-                 (set! l (cons k l)))
-               it)
-              l)
-            '())
-       '()))
+(define (get-exported-symbols name)
+  "Return a list of exported symbols from the module with the given
+NAME, a list of symbols.  If the module does not exist return the
+empty list."
+  (or (and=> (and=> (resolve-module name) module-public-interface)
+             (lambda (interface)
+               (module-map (lambda (name var) name)
+                           interface)))
+      '()))
+
 
 (define cvalues (G 'values))