Created
January 24, 2013 09:45
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Little utility to transform a file with lines of json into a csv. The utility accepts a list of field names it will look for in the json and turn them into columns of the csv. This script relies on docopt and unicodecsv packages.
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| #!/usr/bin/env python | |
| """Reads json lines from stdin and write csv to stdout. | |
| Usage: | |
| json2csv.py -f <field>... | |
| json2csv.py -h | --help | |
| json2csv.py --version | |
| Options: | |
| -h --help Show this screen. | |
| --version Show version. | |
| -f --fields Specify headers of the csv file. | |
| """ | |
| from unicodecsv import DictWriter | |
| from docopt import docopt | |
| import json | |
| import sys | |
| if __name__ == '__main__': | |
| arguments = docopt(__doc__, version='0.1') | |
| csv_wrt = DictWriter(sys.stdout, extrasaction="ignore", fieldnames=arguments['<field>']) | |
| csv_wrt.writeheader() | |
| for line in sys.stdin: | |
| datum = json.loads(line) | |
| csv_wrt.writerow(datum) |
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