Python GPIO

import time
import RPi.GPIO as GPIO
import sys
import math

pins = [7, 11, 13, 15, 16, 18, 22, 29, 31, 32, 33, 35, 36, 37, 38, 40] #Available Pins
bits=0 #This will be the amount of LEDs
pinsalias=[] #I will rename every Pin so that parameter getting easier
pinsalias.append(0)

####DEFINE###############

def setup_gpioo (int1): #Setup Every Pin i am going to need and check for available pins
    i=0
    global bits
    global pinsalias
    for x in range(len(pins)):
        if (int1 == pins[x]) : i=1
    if (i == 1) :
        pinsalias.append(int1)
        GPIO.setup(int1, GPIO.OUT)
    else:
        print str(int1) + " no available pin!"
        GPIO.cleanup()
        sys.exit()
    bits=len(pinsalias)-1
    return;

def set_o (int1,bool2,sleep3): #not really needed but..
    GPIO.output(pinsalias[int1],bool2)
    if (sleep3 != 0) : time.sleep(sleep3)
    return;

def reset_o(): #set every OUTPUT to 0, i know there is GPIO.cleanup() but its kinda buggy
    for xcount in range(bits):
        set_o (xcount+1,0,0)
    return;

def DecToBinO (evt1,dur1,int1): #Calculator + Output in Binary
    check=0
    dcount=0

    while check==0: #Do until Check = 1
        if (evt1==0): #If paramter evt1(WaitforEvent) == 0 then its just a for loop
            dcount=dcount+1
            if (dcount==int1):check=1
        elif (evt1==1): #If paramter evt1(WaitforEvent) == 1 then wait for input / i am going to place some buttons on my breadbord with this event
            if (raw_input()=="q"):check=1
            dcount=dcount+1

        ccount=dcount

        if (ccount > (math.pow(2,bits)-1)): #Check for maximum available number for my LED Bits
            dcount = 0
            print "No more available Bits - Reset to 0"
        else:
            str1=""
            a=0
            c=bits-1
            while ccount!=0: #Convert Dec to Bin
                str1 = ("0" if ccount%2==0 else "1")+str1
                ccount/=2
            while len(str1)!=bits:
                str1="0"+str1 #Fill up the empty spaces with 0's
            print str1
            reset_o()
            while a!=bits: #Activate the Leds in the certain pattern
                set_o (a+1,int(str1[c]),0)
                c=c-1
                a=a+1
            if (evt1==0):time.sleep(dur1)
    return;

def pat_o (pat1,dur1,pause1): #Another Function with Patterns for the LED. Until now only one Algorithm...
    if (pat1 == 1): ####WAVE_PATTERN
        reset_o()
        for a in range(dur1):
            reset_o()
            for aa in range(1,bits+1):
                if (aa==1):
                    set_o(aa,1,pause1)
                else:
                    set_o(aa-1,0,0)
                    set_o(aa  ,1,pause1)
    else:
        print str(pat1) +" is no available pattern"
    reset_o()
    return;

#Setup the Pins and Board mode

GPIO.setmode(GPIO.BOARD)

setup_gpioo (7)
setup_gpioo (11)
setup_gpioo (13)
setup_gpioo (15)
setup_gpioo (16)
setup_gpioo (18)
setup_gpioo (22)
setup_gpioo (29)

####MAIN#################

reset_o()
try:
    while True:
        pat_o(1,4,.1) #Parameter: 1 Pattern1, 4 4 times loop, .1 sleep timer
        DecToBinO(0,.2,10) #Parameter 0 For Loop, .2 Sleep between different patterns, 10 times loop
        DecToBinO(1,0,0) #Parameter 1 Wait for Event, Doesnt Matter, same

except KeyboardInterrupt:
    GPIO.cleanup()