121 lines
4.9 KiB
Python
121 lines
4.9 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import json
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import yaml
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from tuning_box.cli import base
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class Set(base.ResourceCommand):
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url_last_part = 'values'
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def get_parser(self, *args, **kwargs):
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parser = super(Set, self).get_parser(*args, **kwargs)
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parser.add_argument(
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'--key',
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type=str,
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help="Name of key to set in the resource",
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)
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parser.add_argument(
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'--value',
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type=str,
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help="Value for a key to set in the resource",
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)
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parser.add_argument(
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'--type',
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choices=('null', 'int', 'str', 'json', 'yaml', 'bool'),
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help="Tyep of value passed in --value",
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)
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parser.add_argument(
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'--format',
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choices=('json', 'yaml'),
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help="Format of data passed to stdin",
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)
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return parser
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def verify_arguments(self, parsed_args):
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if parsed_args.key is None: # no key
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if parsed_args.value is not None or parsed_args.type is not None:
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raise Exception("--value and --type arguments make sense only "
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"with --key argument.")
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if parsed_args.format is None:
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raise Exception("Please specify format of data passed to stdin"
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" to replace whole resource data.")
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elif parsed_args.value is not None: # have key and value
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if parsed_args.format is not None:
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raise Exception("You shouldn't specify --format if you pass "
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"value in command line, specify --type "
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"instead.")
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if parsed_args.type == 'null':
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raise Exception("You shouldn't specify a value for 'null' type"
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" because there can be only one.")
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if parsed_args.type is None:
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raise Exception("Please specify type of value passed in "
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"--value argument to properly represent it"
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" in the storage.")
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elif parsed_args.type != 'null': # have key but no value
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if parsed_args.type is not None:
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raise Exception("--type specifies type for value provided in "
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"--value but there is not --value argument")
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if parsed_args.format is None:
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raise Exception("Please specify format of data passed to stdin"
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" to replace the key.")
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def get_value_to_set(self, parsed_args):
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type_ = parsed_args.type
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if type_ == 'null':
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return None
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elif type_ == 'bool':
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if parsed_args.value.lower() in ('1', 'true'):
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return True
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elif parsed_args.value.lower() in ('0', 'false'):
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return False
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else:
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raise Exception(
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"Bad value for 'bool' type: '{}'. Should be one of '0', "
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"'1', 'false', 'true'.".format(parsed_args.value))
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elif type_ == 'int':
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return int(parsed_args.value)
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elif type_ == 'str':
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return parsed_args.value
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elif type_ == 'json':
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return json.loads(parsed_args.value)
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elif type_ == 'yaml':
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return yaml.safe_load(parsed_args.value)
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elif type_ is None:
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if parsed_args.format == 'json':
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return json.load(self.app.stdin)
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elif parsed_args.format == 'yaml':
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docs_gen = yaml.safe_load_all(self.app.stdin)
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doc = next(docs_gen)
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guard = object()
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if next(docs_gen, guard) is not guard:
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self.app.stderr.write("Warning: will use only first "
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"document from YAML stream")
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return doc
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assert False, "Shouldn't get here"
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def take_action(self, parsed_args):
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self.verify_arguments(parsed_args)
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value = self.get_value_to_set(parsed_args)
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client = self.get_client()
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resource_url = self.get_resource_url(parsed_args, self.url_last_part)
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if parsed_args.key is not None:
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resource = client.get(resource_url)
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resource[parsed_args.key] = value
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else:
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resource = value
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client.put(resource_url, resource)
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