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The example reads a file as JSON, adds a key, then writes the new structure to a JSON file in the build folder. The example accepts a '--pretty' argument to output human readable JSON to the file.
33 lines
621 B
Python
33 lines
621 B
Python
#! /usr/bin/env python
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# encoding: utf-8
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# Matt Clarkson, 2015 (ita)
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VERSION='0.0.1'
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APPNAME='json_test'
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top = '.'
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import sys
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import waflib.Configure
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waflib.Configure.autoconfig = True
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def options(opt):
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opt.add_option(
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'--pretty',
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action = 'store_true',
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help = 'pretty prints the writing of the JSON')
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def configure(conf):
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pass
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def build(bld):
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node = bld.srcnode.make_node('test.json')
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json = node.read_json()
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print('Read', json)
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json['new_key'] = {
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'number': 199
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}
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output = bld.bldnode.make_node('output.json')
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output.write_json(json, pretty=bld.options.pretty)
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print('Wrote', output.read())
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