def generate(self, filename=None, system=None, variables={}):
variables['recipe'] = self
if not system:
out = JobOutput()
out.setVerbose()
system = PySystem(out)
if not filename:
filename = self.title.replace(' ', '') + '.pdf'
filename = realpath(filename)
# returns (errors, warnings, pdfFilename)
return super(Recipe, self).generate(filename, system, variables)
