getpass module provides two functions:
Prompt the user for a password without echoing. The user is prompted using the string prompt, which defaults to
'Password: '. On Unix, the prompt is written to the file-like object stream. stream defaults to the controlling terminal (/dev/tty) or if that is unavailable to
sys.stderr (this argument is ignored on Windows).
If echo free input is unavailable getpass() falls back to printing a warning message to stream and reading from
sys.stdin and issuing a
Changed in version 2.5: The stream parameter was added.
Changed in version 2.6: On Unix it defaults to using /dev/tty before falling back to
If you call getpass from within IDLE, the input may be done in the terminal you launched IDLE from rather than the idle window itself.
UserWarning subclass issued when password input may be echoed.
Return the “login name” of the user.
This function checks the environment variables
USERNAME, in order, and returns the value of the first one which is set to a non-empty string. If none are set, the login name from the password database is returned on systems which support the
pwd module, otherwise, an exception is raised.
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