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| # pip install python-snappy | |
| import snappy | |
| import json | |
| file_name = 'transact.snappy' | |
| input_data = json.dumps([{'a': 1, 'b': 2}]) | |
| def compress_(snappy_file): | |
| data = snappy.compress(input_data) | |
| return data | |
| def save_file(file_name): | |
| data = compress_(input_data) | |
| with open(file_name, 'wb') as f: | |
| f.write(data) | |
| save_file(file_name) |
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| # pip install python-snappy | |
| import snappy | |
| import json | |
| snappy_file = 'transactions-kinesis-staging-2.snappy' | |
| def uncompress(snappy_file): | |
| with open (snappy_file, "rb") as input_file: | |
| data = input_file.read() | |
| decompressor = snappy.hadoop_snappy.StreamDecompressor() | |
| uncompressed = decompressor.decompress(data) | |
| uncompressed = uncompressed.decode("utf-8") | |
| data = uncompressed.replace("\"" , '') | |
| return data | |
| def save_file(file_name): | |
| data = uncompress(snappy_file) | |
| with open(file_name, 'w') as f: | |
| # json.dump(data, f, indent=4, sort_keys=True) | |
| f.write(json.loads(json.dumps(data, indent=4),)) | |
| file_name = 'transact.json' | |
| save_file(file_name) |
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