Password field in Django model

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As @mlissner suggested the auth.User model is a good place to look. If you check the source code you’ll see that the password field is a CharField. 

password = models.CharField(_('password'), max_length=128, help_text=_("Use 
'[algo]$[salt]$[hexdigest]' or use the <a href=\"password/\">change password form</a>."))

The User model also has a set_password method. 

def set_password(self, raw_password):
    import random
    algo = 'sha1'
    salt = get_hexdigest(algo, str(random.random()), str(random.random()))[:5]
    hsh = get_hexdigest(algo, salt, raw_password)
    self.password = '%s$%s$%s' % (algo, salt, hsh)

You can take some clues from this method about creating the password and saving it.

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