The Python script I used to import my ProtonPass data into Bitwarden

proton2bw.py

#!/usr/bin/env python3

import json
import subprocess

PROTON_DATA_FILE = "/path/to/Proton Pass/data.json"

bw_get_template_item = subprocess.run(
    ["bw", "get", "template", "item"], text=True, capture_output=True
).stdout

bw_get_template_item_login = subprocess.run(
    ["bw", "get", "template", "item.login"], text=True, capture_output=True
).stdout

bw_get_template_item_login_uri = subprocess.run(
    ["bw", "get", "template", "item.login.uri"], text=True, capture_output=True
).stdout

bw_get_template_item_securenote = subprocess.run(
    ["bw", "get", "template", "item.securenote"], text=True, capture_output=True
).stdout

json_bw_item = json.loads(bw_get_template_item)
json_bw_item_login = json.loads(bw_get_template_item_login)
json_bw_item_login_uri = json.loads(bw_get_template_item_login_uri)
json_bw_item_securenote = json.loads(bw_get_template_item_securenote)

with open(PROTON_DATA_FILE, "r") as outfile:
    proton_data = json.load(outfile)

proton_vault = proton_data["vaults"]["<VAULT_ID>"]["items"]

for item in proton_vault:
    if item["data"]["type"] == "login":
        json_bw_item["name"] = item["data"]["metadata"]["name"]

        if item["data"]["content"]["urls"]:
            json_bw_item_login_uri["uri"] = item["data"]["content"]["urls"][0]
        else:
            json_bw_item_login_uri["uri"] = None

        json_bw_item_login_uri_list = list()
        json_bw_item_login_uri_list.append(json_bw_item_login_uri)

        json_bw_item_login["username"] = item["data"]["content"]["username"]
        json_bw_item_login["password"] = item["data"]["content"]["password"]
        json_bw_item_login["totp"] = None
        json_bw_item_login["uris"] = json_bw_item_login_uri_list
        json_bw_item["login"] = json_bw_item_login

        bw_json = subprocess.Popen(
            ["echo", json.dumps(json_bw_item)], text=True, stdout=subprocess.PIPE
        )

        bw_encode = subprocess.Popen(
            ["bw", "encode"], text=True, stdin=bw_json.stdout, stdout=subprocess.PIPE
        )

        bw_create = subprocess.Popen(
            ["bw", "create", "item"], stdin=bw_encode.stdout, stdout=subprocess.PIPE
        )

        bw_json.stdout.close()
        bw_encode.stdout.close()
        output = bw_create.communicate()[0]
        print(output)

    if item["data"]["type"] == "note":
        json_bw_item["name"] = item["data"]["metadata"]["name"]
        json_bw_item["notes"] = item["data"]["metadata"]["note"]
        json_bw_item["type"] = 2
        json_bw_item["secureNote"] = json_bw_item_securenote

        bw_json = subprocess.Popen(
            ["echo", json.dumps(json_bw_item)], text=True, stdout=subprocess.PIPE
        )
        bw_encode = subprocess.Popen(
            ["bw", "encode"], text=True, stdin=bw_json.stdout, stdout=subprocess.PIPE
        )
        bw_create = subprocess.Popen(
            ["bw", "create", "item"],
            text=True,
            stdin=bw_encode.stdout,
            stdout=subprocess.PIPE,
        )

        bw_json.stdout.close()
        bw_encode.stdout.close()
        output = bw_create.communicate()[0]
        print(output)


shredder_output = subprocess.run(
    ["shred", "-x", "-u", PROTON_DATA_FILE],
    text=True,
    capture_output=True,
).stdout
print(shredder_output)