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aaronmk
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#!/usr/bin/env python
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69
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aaronmk
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# Transforms a map spreadsheet to use a different root
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68
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aaronmk
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import csv
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import os.path
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import sys
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sys.path.append(os.path.dirname(__file__)+"/../lib")
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import opts
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def all_not_none(list_):
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return reduce(lambda a, b: a and b, map(lambda e: e != None, list_))
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def main():
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69
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aaronmk
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# Get config from env vars
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config_names = ['in_root', 'out_root']
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68
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aaronmk
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env_names = []
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configs = map(lambda col: opts.get_env_vars(config_names, col, env_names),
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['left', 'right'])
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if not all_not_none(configs): raise SystemExit(
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aaronmk
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'Usage: '+opts.env_usage(env_names)+' '+sys.argv[0]+' <in_map >out_map')
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68
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aaronmk
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# Transform map
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reader = csv.reader(sys.stdin)
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writer = csv.writer(sys.stdout)
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69
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aaronmk
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cols = reader.next()
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aaronmk
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for i in xrange(len(configs)):
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aaronmk
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config = configs[i]
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config['root'] = cols[i]
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label = cols[i].partition('/')[0]
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config['prefix'] = label+config['in_root']
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config['prefix_len'] = len(config['prefix'])
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cols[i] = label+config['out_root']
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writer.writerow(cols)
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aaronmk
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for row in reader:
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aaronmk
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for i in xrange(len(configs)): row[i] = configs[i]['root']+row[i]
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aaronmk
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if row[0].startswith(configs[0]['prefix']):
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aaronmk
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if not row[1].startswith(configs[1]['prefix']):
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raise SystemExit('Map error: Root "'+configs[1]['prefix']
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+'" is not contained in output mapping: '+row[1])
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for i in xrange(len(configs)):
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aaronmk
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row[i] = row[i][configs[i]['prefix_len']:]
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aaronmk
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writer.writerow(row)
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main()
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