exception when checksum does not match

diff --git a/scripts/download_import_cldr.py b/scripts/download_import_cldr.py
index 68e64344b4d7be91af04314f5b4fb030fc79e9a6..3ee1af997f86db3a2705466680578640ef94b509 100755 (executable)
--- a/scripts/download_import_cldr.py
+++ b/scripts/download_import_cldr.py
@@ -60,7 +60,12 @@ def is_good_file(filename):
             if not blk:
                 break
             h.update(blk)
-        return h.hexdigest() == FILESUM
+        digest = h.hexdigest()
+        if digest != FILESUM:
+            raise RuntimeError('Checksum mismatch: %r != %r'
+                               % (digest, FILESUM))
+        else:
+            return True
 
 
 def main():