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#!/usr/bin/env python3
import argparse
import json
from collections import OrderedDict
def update_manifest(manifest_path, operation, key, value, json_value):
with open(manifest_path, 'r', encoding="utf-8") as f:
manifest_data = json.load(f, object_pairs_hook=OrderedDict)
if operation == 'del':
data = manifest_data
while '.' in key: # handle nested keys ("x.y.z")
idx, _, key = key.partition('.')
data = data[idx]
del data[key]
elif operation == 'set':
if json_value:
try:
value = json.loads(value)
except json.decoder.JSONDecodeError as err:
print("Failed to parse", value)
raise err
data = manifest_data
while '.' in key: # handle nested keys ("x.y.z")
idx, _, key = key.partition('.')
if idx not in data:
data[idx] = {}
data = data[idx]
data[key] = value
with open(manifest_path, 'w', encoding="utf-8") as f:
json.dump(manifest_data, f, sort_keys=False, indent=2, separators=(',', ': '))
f.write('\n')
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('manifest_path')
parser.add_argument('operation', choices=('set', 'del'))
parser.add_argument('key')
parser.add_argument('value', nargs='?')
parser.add_argument('--json-value', action='store_true', default=False)
args = parser.parse_args()
update_manifest(args.manifest_path, args.operation, args.key, args.value, args.json_value)
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