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Description:

passwordtrainer 1.0.0

Password trainer script
This module contains a litle script to teach user a new random password by
repeatedly typing it. The module is written in pure python and contains no
external dependencies except for poetry build system and modules used for
testing the code. The code should be very simple to review.
The idea is to use this tool with a password generator and some kind of
password manager to ensure user does not remember the password but can
write it without looking. It's not intended to replace password managers,
it's intended to memorize password for primary logins and for the
password manager master keys.
General procedure for me while using the tool:

generate new password for a system and store it to password manager
run this password trainer a couple of times with the password from the
password manager, training my fingers to write the password mechanically
repeat it for a couple of days until sucecss rate is 100% and then
change the actual password for the system

Generating random passwords
This tool does not generate random passwords. There are multiple secure and
tested password generators and one is likely included in any password manager
application.
Using the password trainer
The tool is installed as command line password-trainer. The tool reads
password from stdin or file (for reading from password managers) or
interactively. User is then requested to write the new password on screen
until configured number of correct passwords has been entered. The tool
shows a summary of success rate when it quits.
Parameters for the training phase can be specified as command line arguments.
See password-trainer --help for more details.
Example commands
Run the command with default arguments. This will ask for the password to train
on and require it to be written on screen 5 times correctly:
password-trainer

Show password from pass password store for 'Vault admin', pipe it to the
password-trainer and request user to write it three times correctly:
pass Vault/Admin | head -1 | password-trainer --required=3 --file=-

Generate a random password with pwgen command, pipe it to the script and
show the generated password to memorize and copy to a password manager:
pwgen -s 16 | password-trainer --required=2 --file=- --show-password

Installing
This module has minimal dependencies (PyYAML) and should install with pip
on any recent python version.
The module has been tested with python 3.10 to 3.12.
Running unit tests and linters
All tests are run with tox.
Run unit tests and linters:
make

Run unit tests:
make test

Run linters:
make lint