def validator(value, config_context):
if config_context.partial:
return valid_string(value, config_context)
context = command_context.CommandContext(
context_object,
config_context.command_context,
)
try:
StringFormatter(context).format(value)
return value
except (KeyError, ValueError) as e:
error_msg = "Unknown context variable %s at %s: %s"
raise ConfigError(error_msg % (e, config_context.path, value))
except (TypeError) as e:
error_msg = "Wrong command format %s: %s at %s"
raise ConfigError(error_msg % (value, e, config_context.path))
def render_template(self, template):
"""Render our configured command using the command context."""
return StringFormatter(self.context).format(template)