flask_oauthlib/provider/oauth2.py
def validate_user(self, username, password, client, request,
                      *args, **kwargs):
        """Ensure the username and password is valid.

        Attach user object on request for later using.
        """
        log.debug('Validating username %r and its password', username)
        if self._usergetter is not None:
            user = self._usergetter(
                username, password, client, request, *args, **kwargs
            )
            if user:
                request.user = user
                return True
            return False
        log.debug('Password credential authorization is disabled.')
        return False
def validate_user(self, username, password, client, request,
                      *args, **kwargs):
        """Ensure the username and password is valid.

        Attach user object on request for later using.
        """
        log.debug('Validating username %r and its password', username)
        if self._usergetter is not None:
            user = self._usergetter(
                username, password, client, request, *args, **kwargs
            )
            if user:
                request.user = user
                return True
            return False
        log.debug('Password credential authorization is disabled.')
        return False
Ensure the username and password is valid.

        Attach user object on request for later using.