Sets the font for draw_text

def set_font(self, pango_layout):
        """Sets the font for draw_text"""

        wx2pango_weights = {
            wx.FONTWEIGHT_BOLD: pango.WEIGHT_BOLD,
            wx.FONTWEIGHT_LIGHT: pango.WEIGHT_LIGHT,
            wx.FONTWEIGHT_NORMAL: None,  # Do not set a weight by default
        }

        wx2pango_styles = {
            wx.FONTSTYLE_NORMAL: None,  # Do not set a style by default
            wx.FONTSTYLE_SLANT: pango.STYLE_OBLIQUE,
            wx.FONTSTYLE_ITALIC: pango.STYLE_ITALIC,
        }

        cell_attributes = self.code_array.cell_attributes[self.key]

        # Text font attributes
        textfont = cell_attributes["textfont"]
        pointsize = cell_attributes["pointsize"]
        fontweight = cell_attributes["fontweight"]
        fontstyle = cell_attributes["fontstyle"]
        underline = cell_attributes["underline"]
        strikethrough = cell_attributes["strikethrough"]

        # Now construct the pango font
        font_description = pango.FontDescription(
            " ".join([textfont, str(pointsize)]))
        pango_layout.set_font_description(font_description)

        attrs = pango.AttrList()

        # Underline
        attrs.insert(pango.AttrUnderline(underline, 0, MAX_RESULT_LENGTH))

        # Weight
        weight = wx2pango_weights[fontweight]
        if weight is not None:
            attrs.insert(pango.AttrWeight(weight, 0, MAX_RESULT_LENGTH))

        # Style
        style = wx2pango_styles[fontstyle]
        if style is not None:
            attrs.insert(pango.AttrStyle(style, 0, MAX_RESULT_LENGTH))

        # Strikethrough
        attrs.insert(pango.AttrStrikethrough(strikethrough, 0,
                                             MAX_RESULT_LENGTH))

        pango_layout.set_attributes(attrs)