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46 lines (39 loc) · 1.85 KB
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# Copyright 2008-2015 Nokia Networks
# Copyright 2016- Robot Framework Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from functools import partial
from robot.errors import VariableError
from robot.utils import (is_dict_like, is_list_like, normalize,
RecommendationFinder)
def variable_not_found(name, candidates, msg=None, deco_braces=True):
"""Raise DataError for missing variable name.
Return recommendations for similar variable names if any are found.
"""
if msg is None:
msg = "Variable '%s' not found." % name
candidates = _decorate_candidates(name[0], candidates, deco_braces)
normalizer = partial(normalize, ignore='$@%&*{}_', caseless=True,
spaceless=True)
finder = RecommendationFinder(normalizer)
recommendations = finder.find_recommendations(name, candidates)
msg = finder.format_recommendations(msg, recommendations)
raise VariableError(msg)
def _decorate_candidates(identifier, candidates, deco_braces=True):
template = '%s{%s}' if deco_braces else '%s%s'
is_included = {'$': lambda value: True,
'@': is_list_like,
'&': is_dict_like,
'%': lambda value: True}[identifier]
return [template % (identifier, name)
for name in candidates if is_included(candidates[name])]