Move i18n scripts under scripts/ (#4044)

* Move i18n scripts under scripts/

scripts/i18n/dedup_json.py

@@ -0,0 +1,72 @@
+#!/usr/bin/python
+
+# Consolidates duplicate key-value pairs in a JSON file.
+# If the same key is used with different values, no warning is given,
+# and there is no guarantee about which key-value pair will be output.
+# There is also no guarantee as to the order of the key-value pairs
+# output.
+#
+# Copyright 2013 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import argparse
+import codecs
+import json
+from common import InputError
+
+
+def main():
+  """Parses arguments and iterates over files.
+
+  Raises:
+    IOError: An I/O error occurred with an input or output file.
+    InputError: Input JSON could not be parsed.
+  """
+
+  # Set up argument parser.
+  parser = argparse.ArgumentParser(
+      description='Removes duplicate key-value pairs from JSON files.')
+  parser.add_argument('--suffix', default='',
+                      help='optional suffix for output files; '
+                      'if empty, files will be changed in place')
+  parser.add_argument('files', nargs='+', help='input files')
+  args = parser.parse_args()
+
+  # Iterate over files.
+  for filename in args.files:
+    # Read in json using Python libraries.  This eliminates duplicates.
+    print('Processing ' + filename + '...')
+    try:
+      with codecs.open(filename, 'r', 'utf-8') as infile:
+        j = json.load(infile)
+    except ValueError as e:
+      print('Error reading ' + filename)
+      raise InputError(filename, str(e))
+
+    # Built up output strings as an array to make output of delimiters easier.
+    output = []
+    for key in j:
+      if key != '@metadata':
+        output.append('\t"' + key + '": "' +
+                      j[key].replace('\n', '\\n') + '"')
+
+    # Output results.
+    with codecs.open(filename + args.suffix, 'w', 'utf-8') as outfile:
+      outfile.write('{\n')
+      outfile.write(',\n'.join(output))
+      outfile.write('\n}\n')
+
+
+if __name__ == '__main__':
+  main()