Add warn_exists parameter also to append_paths

easybuild/tools/module_generator.py

@@ -241,7 +241,7 @@ def _filter_paths(self, key, paths, warn_exists=True):
                 filtered_paths = None
         return filtered_paths
 
-    def append_paths(self, key, paths, allow_abs=False, expand_relpaths=True, delim=':'):
+    def append_paths(self, key, paths, allow_abs=False, expand_relpaths=True, delim=':', warn_exists=True):
         """
         Generate append-path statements for the given list of paths.
 
@@ -250,8 +250,9 @@ def append_paths(self, key, paths, allow_abs=False, expand_relpaths=True, delim=
         :param allow_abs: allow providing of absolute paths
         :param expand_relpaths: expand relative paths into absolute paths (by prefixing install dir)
         :param delim: delimiter used between paths
+        :param warn_exists: Show a warning if any path was already added to the variable
         """
-        paths = self._filter_paths(key, paths)
+        paths = self._filter_paths(key, paths, warn_exists=warn_exists)
         if paths is None:
             return ''
         return self.update_paths(key, paths, prepend=False, allow_abs=allow_abs, expand_relpaths=expand_relpaths,

test/framework/module_generator.py

@@ -782,13 +782,16 @@ def append_paths(*args, **kwargs):
         # check for warning that is printed when same path is added multiple times
         with self.modgen.start_module_creation():
             self.modgen.append_paths('TEST', 'path1')
-            self.mock_stderr(True)
-            self.modgen.append_paths('TEST', 'path1')
-            stderr = self.get_stderr()
-            self.mock_stderr(False)
+            with self.mocked_stdout_stderr():
+                self.modgen.append_paths('TEST', 'path1')
+                stderr = self.get_stderr()
             expected_warning = "\nWARNING: Suppressed adding the following path(s) to $TEST of the module "
             expected_warning += "as they were already added: path1\n\n"
             self.assertEqual(stderr, expected_warning)
+            with self.mocked_stdout_stderr():
+                self.modgen.append_paths('TEST', 'path1', warn_exists=False)
+                stderr = self.get_stderr()
+            self.assertEqual(stderr, '')
 
     def test_module_extensions(self):
         """test the extensions() for extensions"""