# Copyright (c) 2018 The Regents of the University of Michigan
# All rights reserved.
# This software is licensed under the BSD 3-Clause License.
"""Definitions of Exception classes used in this package."""
import jinja2
from jinja2.ext import Extension as Jinja2Extension
class ConfigKeyError(KeyError):
"Indicates that a config key was not found."
pass
class SubmitError(RuntimeError):
"Indicates an error during cluster job submission."
pass
class NoSchedulerError(AttributeError):
"Indicates that there is no scheduler type defined for an environment class."
pass
class UserConditionError(RuntimeError):
"Indicates an error during evaluation of a FlowCondition."
pass
class UserOperationError(RuntimeError):
"Indicates an error during execution of a FlowOperation."
pass
class TemplateError(Jinja2Extension):
"""Indicates errors in jinja2 templates"""
# ref:http://jinja.pocoo.org/docs/2.10/extensions/#jinja-extensions
tags = set(['raise'])
def parse(self, parser):
lineno = next(parser.stream).lineno
args = [parser.parse_expression()]
return jinja2.nodes.CallBlock(
self.call_method('err', args), [], [], []).set_lineno(lineno)
def err(self, msg, caller):
raise jinja2.TemplateError(msg)
