def build(cls, arg_name: ArgName, templates: Templates):
paths = arg_name.split(cls.path_delimiter)
path = os.path.join(cls.prefix, *paths)
for suffix in cls.suffixes:
try:
return templates.get_template(path + suffix)
except jinja2.TemplateNotFound:
pass
raise ConfigurationError('No template found for "%s".' % arg_name)
def build(cls, headers: Headers, arg_name: ArgName):
return headers.get(arg_name.replace('_', '-'))