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ea48b7bd74
Since we only support jessie as build host, and jessie knowingly does have python3 (although not by default), we don't really need to worry about being both 2 and 3 compatible.
43 lines
1.3 KiB
Python
Executable File
43 lines
1.3 KiB
Python
Executable File
#!/usr/bin/python3
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#
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# Copyright (C) 2016 VyOS maintainers and contributors
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 or later as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# File: query-config
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# Purpose: Extracts field values from a flat JSON file,
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# for use in languages that can't handle JSON easily,
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# (I'm looking at you, Bourne shell!)
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import sys
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import json
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import defaults
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import util
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if len(sys.argv) < 3:
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print("Usage: {0} <flat JSON file> <config field name>".format(sys.argv[0]))
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sys.exit(1)
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# Note: lack of error handling is deliberate, if some field is expected to be there
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# but isn't, it's better if the failure will be obvious and spectacular
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file = sys.argv[1]
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key = sys.argv[2]
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with open(file, 'r') as f:
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json_data = json.load(f)
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print(json_data[key])
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