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February 21, 2023 23:35
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Merge several metadata JSON files into one
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import json | |
import os | |
FOLDER = './metadata' | |
result = [] | |
# read all .json files in the folder | |
print('Reading files...') | |
json_files = [f for f in os.listdir(FOLDER) if f.endswith('.json')] | |
print('Found {} files.'.format(len(json_files))) | |
print('Merging...') | |
# sorts the files by their number | |
json_files.sort(key=lambda x: int(x.split('.')[0])) | |
for idx, f in enumerate(json_files): | |
with open(os.path.join(FOLDER, f)) as json_file: | |
data = json.load(json_file) | |
# sets a dummy image field | |
data['image'] = 'ipfs://YOUR_CID/' + str(idx + 1) + '.png'; | |
result.append(data) | |
print('Writing output...') | |
# writes the result to a new file | |
with open('metadata.json', 'w') as outfile: | |
json.dump(result, outfile) | |
print('Done.') |
File "merge.py", line 19
data['image'] = f'ipfs://YOUR_CID/{idx + 1}.png'
I removed the f from that line and it works
https://gist.github.com/michaeljcoyne/5dfc46e3d10a4408598c4764033ab121/revisions
@michaeljcoyne thank you so much for noticing this! you are right, this interpolation syntax was added in python 3.6 see this SO answer. Updated my gist thanks to you! 👍
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How to use this script
merge.py
script and save it at the same level as your metadata JSON folder: