mirror of
https://github.com/scratchfoundation/scratch-blocks.git
synced 2025-06-12 21:01:07 -04:00
73 lines
2.4 KiB
Python
Executable file
73 lines
2.4 KiB
Python
Executable file
#!/usr/bin/python
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# Consolidates duplicate key-value pairs in a JSON file.
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# If the same key is used with different values, no warning is given,
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# and there is no guarantee about which key-value pair will be output.
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# There is also no guarantee as to the order of the key-value pairs
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# output.
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#
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# Copyright 2013 Google Inc.
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# https://developers.google.com/blockly/
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse
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import codecs
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import json
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from common import InputError
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def main():
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"""Parses arguments and iterates over files.
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Raises:
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IOError: An I/O error occurred with an input or output file.
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InputError: Input JSON could not be parsed.
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"""
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# Set up argument parser.
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parser = argparse.ArgumentParser(
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description='Removes duplicate key-value pairs from JSON files.')
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parser.add_argument('--suffix', default='',
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help='optional suffix for output files; '
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'if empty, files will be changed in place')
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parser.add_argument('files', nargs='+', help='input files')
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args = parser.parse_args()
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# Iterate over files.
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for filename in args.files:
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# Read in json using Python libraries. This eliminates duplicates.
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print('Processing ' + filename + '...')
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try:
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with codecs.open(filename, 'r', 'utf-8') as infile:
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j = json.load(infile)
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except ValueError as e:
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print('Error reading ' + filename)
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raise InputError(filename, str(e))
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# Built up output strings as an array to make output of delimiters easier.
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output = []
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for key in j:
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if key != '@metadata':
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output.append('\t"' + key + '": "' +
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j[key].replace('\n', '\\n') + '"')
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# Output results.
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with codecs.open(filename + args.suffix, 'w', 'utf-8') as outfile:
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outfile.write('{\n')
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outfile.write(',\n'.join(output))
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outfile.write('\n}\n')
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if __name__ == '__main__':
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main()
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