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https://github.com/Doodle3D/Doodle3D-Slicer.git
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57 lines
1.3 KiB
Python
57 lines
1.3 KiB
Python
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#!/usr/bin/env python
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__doc__ = '''
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Convert a json file to msgpack.
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If fed only an input file the converted will write out a .pack file
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of the same base name in the same directory
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$ json2msgpack.py -i foo.json
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foo.json > foo.pack
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Specify an output file path
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$ json2msgpack.py -i foo.json -o /bar/tmp/bar.pack
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foo.json > /bar/tmp/bar.pack
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Dependencies:
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https://github.com/msgpack/msgpack-python
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'''
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import os
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import sys
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import json
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import argparse
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sys.path.append(os.path.dirname(os.path.realpath(__file__)))
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import msgpack
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EXT = '.pack'
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('-i', '--infile', required=True,
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help='Input json file to convert to msgpack')
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parser.add_argument('-o', '--outfile',
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help=('Optional output. If not specified the .pack file '\
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'will write to the same director as the input file.'))
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args = parser.parse_args()
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convert(args.infile, args.outfile)
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def convert(infile, outfile):
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if not outfile:
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ext = infile.split('.')[-1]
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outfile = '%s%s' % (infile[:-len(ext)-1], EXT)
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print('%s > %s' % (infile, outfile))
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print('reading in JSON')
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with open(infile) as op:
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data = json.load(op)
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print('writing to msgpack')
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with open(outfile, 'wb') as op:
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msgpack.dump(data, op)
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if __name__ == '__main__':
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main()
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