delete-bitwarden-duplicates.py

import json
from typing import List


def run(args: List[str]):
    filename = args[0]
    with open(filename, "r") as f:
        data = json.loads(f.read())

    original_entries = data['items']

    # Find duplicates in the bitwarden password export file
    # Duplicate entries have the same "name" and "login.username" fields
    unique_entries = {}
    duplicates = []
    for entry in original_entries:
        name = entry["name"]
        username = entry["login"]["username"]
        entry_id = f"{username}@{name}"
        if entry_id in unique_entries:
            duplicates.append(entry)
        else:
            unique_entries[entry_id] = entry

    # Convert unique_entries back to a list
    # Convert unique_entries and duplicates to bitwarden format
    # Write to file
    unique_entries = list(unique_entries.values())

    def to_bitwarden_format(entries: List[dict]):
        return {"encrypted": False, "items": entries, "folders": []}

    mapped_unique_entries = to_bitwarden_format(unique_entries)
    mapped_duplicates = to_bitwarden_format(duplicates)

    with open("bitwarden-unique.json", "w") as f:
        f.write(json.dumps(mapped_unique_entries, indent=2))

    with open("bitwarden-duplicates.json", "w") as f:
        f.write(json.dumps(mapped_duplicates, indent=2))

if __name__ == "__main__":
    import sys
    run(sys.argv[1:])