def generate(self, src):
"""
render template from path
may raise a UndefinedException
in case a variable is undefined
"""
if not os.path.exists(src):
return ''
try:
return self._handle_file(src)
except UndefinedError as e:
err = 'undefined variable: {}'.format(e.message)
raise UndefinedException(err)
def generate_string(self, string):
"""
render template from string
may raise a UndefinedException
in case a variable is undefined
"""
if not string:
return ''
try:
return self.env.from_string(string).render(self.variables)
except UndefinedError as e:
err = 'undefined variable: {}'.format(e.message)
raise UndefinedException(err)