biometerics_enroll.py

#enroll window starts
def enroll():
    ## Gets some sensor information
    print('Currently used templates: ' + str(f.getTemplateCount()) +'/'+ str(f.getStorageCapacity()))
    enroll_status_text1.value =  'Currently used templates: ' + str(f.getTemplateCount()) +'/'+ str(f.getStorageCapacity())
    ## Tries to enroll new finger
    try:
        print('Waiting for finger...')
        enroll_status_text2.value = 'Waiting for finger...'
        ## Wait that finger is read
        while ( f.readImage() == False ):
            pass

        ## Converts read image to characteristics and stores it in charbuffer 1
        f.convertImage(0x01)

        ## Checks if finger is already enrolled
        result = f.searchTemplate()
        positionNumber = result[0]
        

        #if ( positionNumber >= 0 ):
        if(positionNumber >= 0):
            print('Template already exists at position #' + str(positionNumber))
            enroll_status_text2.value = 'Template already exists at position #' + str(positionNumber)
            return
            #exit(0)
        else:
            positionNumber = int(pf_box.value)

        print('Remove finger...')
        enroll_status_text2.value = 'Remove finger...'
        sleep(2)

        print('Waiting for same finger again...')
        enroll_status_text2.value = 'Waiting for same finger again...'

        ## Wait that finger is read again
        while ( f.readImage() == False ):
            pass

        ## Converts read image to characteristics and stores it in charbuffer 2
        f.convertImage(0x02)

        ## Compares the charbuffers
        if ( f.compareCharacteristics() == 0 ):
            enroll_status_text2.value = 'Fingers do not match'
            raise Exception('Fingers do not match')

        ## Creates a template
        f.createTemplate()

        ## Saves template at new position number
        positionNumber = f.storeTemplate(int(pf_box.value), 0x01)
        enroll_status_text2.value = 'Finger enrolled successfully!'
        print('Finger enrolled successfully!')
        enroll_status_text2.value = 'New template position #' + str(positionNumber)
        print('New template position #' + str(positionNumber))
        sleep(5)

    except Exception as e:
        print('Operation failed!')
        enroll_status_text2.value = 'Operation failed!'
        print('Exception message: ' + str(e))
        sleep(2)
        enroll_status_text2.value = 'Exception message: ' + str(e)
    return
    #exit(1)
    pass
def back_M():
    enroll_window.hide()
    app.show()
    
pf_box = TextBox(enroll_window, text="Enter PF number")
enroll_status_text1 = Text (enroll_window, text="")
enroll_status_text2 = Text (enroll_window, text="")
enrollP_btn = PushButton(enroll_window, text="Start", command=enroll)
backP_btn = PushButton(enroll_window, text="Back", command=back_M)

#enroll window ends