passgen 1.1.1

Description:

passgen 1.1.1

passgen
passgen is a tool for generating random passwords. It provides both
command line utility and underlying python module.


Installation
passgen requires Python 2.7 or 3.x.
passgen can be installed with pip:
$ pip install passgen
To install it from source, enter the source distribution directory and run:
$ python setup.py install
To install in development mode, run from project directory:
$ pip install --user -e .


Usage (command line)
The most basic usage of passgen command line utility prints 10 random
passwords, and is as follows:
$ passgen
passgen accepts several arguments configuring its outcome.
Overall synopsis is:
$ passgen [-h] [-l LENGTH] [-n NUMBER]
[-p] [--limit-punctuation LIMIT_PUNCTUATION]
[--no-digits | --no-letters]
[--upper | --lower]
Arguments:

-h
Display help

-l, --length LENGTH
Passwords should contain LENGTH characters. Defaults to 12.

-n, --number NUMBER
Generate NUMBER passwords. Defaults to 10.

-p, --punctuation
Use punctuation characters

--limit-punctuation LIMIT_PUNCTUATION
Specify allowed punctuation characters

--no-digits
Don’t use digits

--no-letters
Don’t use letters

--upper
Use only upper case letters

--lower
Use only lower case letters



Examples
Below are some examples of passgen usage.
Output one password:
$ passgen -n 1
faFMKqApw24P
Generate one password with eight characters:
$ passgen -n 1 -l 8
h2MowzBQ
Generate one password with all upper case letters:
$ passgen -n 1 --upper
3TLJ73WQSG6U
Generate one password with punctuation characters:
$ passgen -n 1 -p
oFmCF|s8kCE~



Python module
passgen Python module provides just one function also called passgen.

passgen(length=12, punctuation=False, digits=True, letters=True, case='both')

It returns a random string with length characters. punctuation, digits
and letters arguments specify whether punctuation, digits and letters
should be used. case specifies letter case and can be one of ‘upper’,
‘lower’ or ‘both’.
For more details, run:
$ python -c 'import passgen; help(passgen.passgen)'


Testing
The passgen tests are done using unittest. For running the tests, run from
project directory:
$ python tests/test_passgen.py -v


TODO

Implement generation from format string.
For example, ‘ddd’ generating three-digit password.
Allow occurance restrictions on punctuation, digits and letters.
For example, passgen(min-punctuation=1) returning password with at least
one punctuation.



License
See LICENSE.