Modified version of a patch from Jeremy Kloth, to make .get_outputs()

akuchling · akuchling · commit 9710297e3651 · 2001-01-16T16:16:03.000Z
produce a list of unique filenames:
    "While attempting to build an RPM using distutils on Python 2.0,
    rpm complained about duplicate files.  The following patch fixed
    that problem.
diff --git a/Lib/distutils/command/install.py b/Lib/distutils/command/install.py
@@ -530,7 +530,11 @@ def get_outputs (self):
         outputs = []
         for cmd_name in self.get_sub_commands():
             cmd = self.get_finalized_command(cmd_name)
-            outputs.extend(cmd.get_outputs())
+            # Add the contents of cmd.get_outputs(), ensuring
+            # that outputs doesn't contain duplicate entries
+            for filename in cmd.get_outputs():
+                if filename not in outputs:
+                    outputs.append(filename)
 
         return outputs
 
