Fixed bug when extraction warning are displayed.

Author: pombredanne

src/scancode/cli.py

@@ -325,7 +325,7 @@ def extract_with_progress(input, verbose=False):
                 click.secho('Extracting: ' + xev.source + ': ', nl=False, fg='green')
             else:
                 if xev.warnings or xev.errors:
-                    click.secho('done.', fg='red')
+                    click.secho('done.', fg='red' if xev.errors else 'yellow')
                     display_extract_event(xev)
                 else:
                     click.secho('done.', fg='green')
@@ -334,5 +334,5 @@ def extract_with_progress(input, verbose=False):
 def display_extract_event(xev):
     for e in xev.errors:
         click.secho('  ERROR: ' + e, fg='red')
-    for warn in xev.warnings.values():
+    for warn in xev.warnings:
         click.secho('  WARNING: ' + warn, fg='yellow')

tests/scancode/data/extract/broken.tar.gz

@@ -67,6 +67,8 @@ def test_extract_option_does_extract(self):
         result = runner.invoke(cli.scancode, ['--extract', test_dir])
         assert result.exit_code == 0
         assert 'Extracting done' in result.output
+        assert 'ERROR: Unrecognized archive format' in result.output
+        assert 'Extraction errors or warnings' in result.output
         assert os.path.exists(os.path.join(test_dir, 'some.tar.gz-extract'))
 
     def test_copyright_option_detects_copyrights(self):