Method __init__

vispy/visuals/shaders/expression.py:20–24

(self, text)

    """Plain GLSL text to insert inline"""

    def __init__(self, text):
        super(TextExpression, self).__init__()
        if not isinstance(text, str):
            raise TypeError("Argument must be string.")
        self._text = text

    def __repr__(self):
        return '<TextExpression %r for at 0x%x>' % (self.text, id(self))