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annotate python/example/ymldiff.py @ 837:5ba219864529

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add example program
author Jeff Hammel <k0scist@gmail.com>
date Mon, 27 Mar 2017 14:05:29 -0700
parents 48ea50d346de
children
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192015ae3e4c add ymldiff.py, requires datadiff and pyyaml to be installed
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1 #!/usr/bin/env python
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2
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48ea50d346de comment re dependency
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3 # XXX/TODO:
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4 # I have no idea where this dependency comes from; on one hand, it sounds
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5 # awesome! On another hand, it should, at the very least, be documented
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6 import datadiff
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7
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8 import optparse
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9 import sys
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10 import yaml
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12 def main(args=sys.argv[1:]):
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13 usage = '%prog [options] from.yml to.yml'
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14 parser = optparse.OptionParser(usage=usage)
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15 options, args = parser.parse_args()
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16 if len(args) != 2:
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17 parser.error("Please supply two .yml files")
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19 # compare the output
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20 output0 = yaml.load(file(args[0]))
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21 output1 = yaml.load(file(args[1]))
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22 diff = datadiff.diff(output0, output1, context=1, fromfile=args[0], tofile=args[1])
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23 print diff
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25 if __name__ == '__main__':
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26 main()