mirror of https://gerrit.osmocom.org/pysim
49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
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# coding=utf-8
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import json
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import pprint
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import jsonpath_ng
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"""JSONpath utility functions as needed within pysim.
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As pySim-sell has the ability to represent SIM files as JSON strings,
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adding JSONpath allows us to conveniently modify individual sub-fields
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of a file or record in its JSON representation.
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"""
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# (C) 2021 by Harald Welte <laforge@osmocom.org>
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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 as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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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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def js_path_find(js_dict, js_path):
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"""Find/Match a JSON path within a given JSON-serializable dict.
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Args:
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js_dict : JSON-serializable dict to operate on
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js_path : JSONpath string
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Returns: Result of the JSONpath expression
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"""
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jsonpath_expr = jsonpath_ng.parse(js_path)
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return jsonpath_expr.find(js_dict)
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def js_path_modify(js_dict, js_path, new_val):
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"""Find/Match a JSON path within a given JSON-serializable dict.
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Args:
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js_dict : JSON-serializable dict to operate on
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js_path : JSONpath string
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new_val : New value for field in js_dict at js_path
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"""
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jsonpath_expr = jsonpath_ng.parse(js_path)
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jsonpath_expr.find(js_dict)
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jsonpath_expr.update(js_dict, new_val)
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