crypt.mksalt()

crypt.mksalt(method=None)

Return a randomly generated salt of the specified method. If no method is given, the strongest method available as returned by methods() is used.

The return value is a string either of 2 characters in length for crypt.METHOD_CRYPT, or 19 characters starting with $digit$ and 16 random characters from the set [./a-zA-Z0-9], suitable for passing as the salt argument to crypt().