| #!/usr/bin/env python3 |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| """ |
| A utility that expects JSON data at a particular URL and lets you |
| recursively extract keys from the JSON object as specified on the |
| command line (each argument on the command line after the first will |
| be used to recursively index into the JSON object). The name is a |
| play off of 'curl'. |
| """ |
| |
| import json |
| import sys |
| import urllib.request |
| import urllib.error |
| import urllib.parse |
| |
| |
| def main(): |
| """Expects at least one argument on the command line.""" |
| if len(sys.argv) < 2: |
| print("USAGE: {} URL [KEY...]".format(sys.argv[0]), file=sys.stderr) |
| sys.exit(1) |
| |
| url = sys.argv[1] |
| |
| data = json.loads(urllib.request.urlopen(url).read()) |
| |
| for arg in sys.argv[2:]: |
| try: |
| temp = data[arg] |
| data = temp |
| except KeyError: |
| print("'" + arg + "' was not found", file=sys.stderr) |
| sys.exit(1) |
| |
| print(data.encode("utf-8")) |
| |
| if __name__ == '__main__': |
| main() |