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Mar 21st, 2007

Masking a string input

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Hi all, im gumster new to DaniWeb, been programming vb for numerous years moving to python anyway, Im trying to create a small authentication module for a program im making where it asks for the username and password, i was just wondering how i go about masking the password
so say for instance the password was "foo" when the user types on there keyboard all that is displayed is "***"?

Any help would be appreciated

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Gumster

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Mar 21st, 2007

Re: Masking a string input

Click to Expand / Collapse Quote originally posted by Gumster ...

Hi all, im gumster new to DaniWeb, been programming vb for numerous years moving to python anyway, Im trying to create a small authentication module for a program im making where it asks for the username and password, i was just wondering how i go about masking the password
so say for instance the password was "foo" when the user types on there keyboard all that is displayed is "***"?

Any help would be appreciated

you can use the getpass module.

Python Syntax (Toggle Plain Text)
import getpass
pswd = getpass.getpass("enter password: ")
print pwd
import getpass
pswd = getpass.getpass("enter password: ")
print pwd

ghostdog74

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Mar 21st, 2007

Re: Masking a string input

or if you are using Tkinter Entry widgets, you can set the parameter

show='*'

jrcagle

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Mar 22nd, 2007

Re: Masking a string input

The getpass function wont work it doesnt mask anything it merely just stops the program from echoing the string input it doesnt offer options for any masking
as for tkinter this doesnt really suit either im not wanting a GUI.

Is there any other possible way

Gumster

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Mar 23rd, 2007

Re: Masking a string input

I couldn't even get 'getpass' to work in windows (passwords get echoed), so there it is.

If you're using linux, you could try copying the getpass code and modifying it to echo a masking character.

Jeff

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Mar 24th, 2007

Re: Masking a string input

maybe you can try this . Not tested

Python Syntax (Toggle Plain Text)
 
def invisible():
	key = ''
	passwd = ''
	max_char = 8
	while 1 :
		key = msvcrt.getch()
		if key == '\r': break
		passwd = passwd + key
		if len(passwd) == max_char:
			break
		msvcrt.putch('*')
def invisible():
	key = ''
	passwd = ''
	max_char = 8
	while 1 :
		key = msvcrt.getch()
		if key == '\r': break
		passwd = passwd + key
		if len(passwd) == max_char:
			break
		msvcrt.putch('*')

Last edited by ghostdog74; Mar 24th, 2007 at 3:21 am.

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