diff --git a/hacking/return_skeleton_generator.py b/hacking/return_skeleton_generator.py new file mode 100755 index 00000000000..05c791bf242 --- /dev/null +++ b/hacking/return_skeleton_generator.py @@ -0,0 +1,96 @@ +#!/usr/bin/env python + +# (c) 2017, Will Thames +# +# This file is part of Ansible +# +# Ansible is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Ansible is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with Ansible. If not, see . + +# return_skeleton_generator.py takes JSON output from a module and +# and creates a starting point for the RETURNS section of a module. +# This can be provided as stdin or a file argument +# +# The easiest way to obtain the JSON output is to use hacking/test-module +# +# You will likely want to adjust this to remove sensitive data or +# ensure the `returns` value is correct, and to write a useful description + +from __future__ import print_function +from collections import OrderedDict +import json +import sys +import yaml + + +# Allow OrderedDicts to be used when dumping YAML +# https://stackoverflow.com/a/16782282/3538079 +def represent_ordereddict(dumper, data): + value = [] + + for item_key, item_value in data.items(): + node_key = dumper.represent_data(item_key) + node_value = dumper.represent_data(item_value) + + value.append((node_key, node_value)) + + return yaml.nodes.MappingNode(u'tag:yaml.org,2002:map', value) + + +def get_return_data(key, value): + # The OrderedDict here is so that, for complex objects, the + # summary data is at the top before the contains information + returns_info = {key: OrderedDict()} + returns_info[key]['description'] = "FIXME *** add description for %s" % key + returns_info[key]['returned'] = "always" + if isinstance(value, dict): + returns_info[key]['type'] = 'complex' + returns_info[key]['contains'] = get_all_items(value) + elif isinstance(value, list) and value and isinstance(value[0], dict): + returns_info[key]['type'] = 'complex' + returns_info[key]['contains'] = get_all_items(value[0]) + else: + returns_info[key]['type'] = type(value).__name__ + returns_info[key]['sample'] = value + # override python unicode type to set to string for docs + if returns_info[key]['type'] == 'unicode': + returns_info[key]['type'] = 'string' + return returns_info + + +def get_all_items(data): + items = sorted([get_return_data(key, value) for key, value in data.items()]) + result = OrderedDict() + for item in items: + key, value = item.items()[0] + result[key] = value + return result + + +def main(args): + yaml.representer.SafeRepresenter.add_representer(OrderedDict, represent_ordereddict) + + if args: + src = open(args[0]) + else: + src = sys.stdin + + data = json.load(src, strict=False) + docs = get_all_items(data) + if 'invocation' in docs: + del(docs['invocation']) + print(yaml.safe_dump(docs, default_flow_style=False)) + + +if __name__ == '__main__': + main(sys.argv[1:])