# 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 robot.utils import is_unicode
from robot.variables import contains_variable
from .typeconverters import TypeConverter
[docs]class ArgumentConverter(object):
def __init__(self, argspec, dry_run=False):
""":type argspec: :py:class:`robot.running.arguments.ArgumentSpec`"""
self._argspec = argspec
self._dry_run = dry_run
[docs] def convert(self, positional, named):
return self._convert_positional(positional), self._convert_named(named)
def _convert_positional(self, positional):
names = self._argspec.positional
converted = [self._convert(name, value)
for name, value in zip(names, positional)]
if self._argspec.varargs:
converted.extend(self._convert(self._argspec.varargs, value)
for value in positional[len(names):])
return converted
def _convert_named(self, named):
names = set(self._argspec.positional) | set(self._argspec.kwonlyargs)
kwargs = self._argspec.kwargs
return [(name, self._convert(name if name in names else kwargs, value))
for name, value in named]
def _convert(self, name, value):
type_, explicit_type = self._get_type(name, value)
if type_ is None or (self._dry_run and
contains_variable(value, identifiers='$@&%')):
return value
converter = TypeConverter.converter_for(type_)
if converter is None:
return value
return converter.convert(name, value, explicit_type)
def _get_type(self, name, value):
if self._argspec.types is None or not is_unicode(value):
return None, None
if name in self._argspec.types:
return self._argspec.types[name], True
if name in self._argspec.defaults:
return type(self._argspec.defaults[name]), False
return None, None