Script to create a MANIFEST.json and FILES.json for an Ansible collection from galaxy.yml

make_manifest.py

#!/usr/bin/env python
# Copyright (c) 2020 Matt Martz <matt@sivel.net>
# GNU General Public License v3.0+
#     (see https://www.gnu.org/licenses/gpl-3.0.txt)

import json
import os

from ansible.galaxy.collection import _build_files_manifest
from ansible.galaxy.collection import _build_manifest
from ansible.galaxy.collection import _get_galaxy_yml
from ansible.module_utils._text import to_bytes


galaxy = _get_galaxy_yml('galaxy.yml')
b_here = to_bytes(os.path.abspath('.'))

with open('MANIFEST.json', 'w+') as f:
    json.dump(
        _build_manifest(**galaxy),
        f,
        indent=4,
        sort_keys=True,
    )

with open('FILES.json', 'w+') as f:
    json.dump(
        _build_files_manifest(
            b_here,
            galaxy['namespace'],
            galaxy['name'],
            galaxy['build_ignore'],
        ),
        f,
        indent=4,
        sort_keys=True,
    )

Got this after using the script and trying to install my collection: ERROR! Checksum mismatch for 'FILES.json' inside collection at

Most certainly because of your sha256 mismatch, like the message says, which you can verify here