"""Tool functions for GNUViech administration tool

(c) 2004 Jan Dittberner <jan@gnuviech.info>
"""

from random import Random
from gnuviech import GNVPrefs

def generatePassword():
    r = Random()
    devrnd = open("/dev/random", "r")
    r.seed(ord(devrnd.read(1)))
    devrnd.close()
    return "".join([chr(char) for char in
                    r.sample(GNVPrefs.PWDCHARS,
                             r.randint(GNVPrefs.PWDMINLENGTH,
                                       GNVPrefs.PWDMAXLENGTH))])

# regex für email check
# p = re.compile(u"^([a-zA-Z0-9_\-.]+)@([a-zA-Z0-9\-]+(\.|[a-zA-Z0-9\-]+)*\.[a-z]{2,5})$")