mkpw: rewriting in python 3

[Skaperen]

Save yourself some time, pick one of these: https://pypi.python.org/pypi?%3Aaction=s...mit=search

too many to choose from.  the issue with that is the most of them will have the code i need deeply embedded in code doing other stuff.  at best i'll need to extract it, which is not a time savings.  or what chance is there to find code that does the basic simple outputting of the desired kind of password i want at that time of running ... in a cli.

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one of the things i have found i need to do is make passwords that can "lifted" off the screen by double-click highlighting and then pasting into another form somewhere.  that means excluding many special characters or only using a certain limited set.  and different users may be using different systems that behave differently and thus need different sets.  i also prefer to avoid mixed case in certain situation, or maybe avoid a lot of things.  so this could end up with a lot of options. both at the command line layer and at the function call layer.  careful option design is needed.

and did i mention password length?