chore: import upstream snapshot with attribution

decoding/IAD/fairseq/examples/unsupervised_quality_estimation/repeat_lines.py

@@ -0,0 +1,28 @@
+# Copyright (c) Facebook, Inc. and its affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+import argparse
+import sys
+
+
+def _normalize_spaces(line):
+    return " ".join(line.split())
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("-i", "--input_file", required=True, type=str)
+    parser.add_argument("-n", "--repeat_times", required=True, type=int)
+    parser.add_argument("-o", "--output_file", required=False, type=str)
+    args = parser.parse_args()
+    stream = open(args.output_file, "w") if args.output_file else sys.stdout
+
+    for line in open(args.input_file):
+        for _ in range(args.repeat_times):
+            stream.write(_normalize_spaces(line) + "\n")
+
+
+if __name__ == "__main__":
+    main()