from twisted.lore import latex
from twisted.lore.latex import processFile
import os.path

class MyLatexSpitter(latex.LatexSpitter):
    def visitNode_span_productname(self, node):
        # start an underline section in LaTeX
        self.writer('\\underline{')
        # process the node and its children
        self.visitNodeDefault(node) 
        # end the underline block
        self.writer('}')

    def visitNode_span_marketinglie(self, node):
        # this example turns on more than one LaTeX effect at once
        self.writer('\\begin{bf}\\begin{Large}')
        self.visitNodeDefault(node)
        self.writer('\\end{Large}\\end{bf}')