# 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 inspect import getargspec, ismethod
from .argumentspec import ArgumentSpec
[docs]class PythonArgumentParser(object):
def __init__(self, type='Keyword'):
self._type = type
[docs] def parse(self, handler, name=None):
try:
args, varargs, kws, defaults = getargspec(handler)
except TypeError: # Can occur w/ C functions (incl. many builtins).
args, varargs, kws, defaults = [], 'args', None, None
if ismethod(handler) or handler.__name__ == '__init__':
args = args[1:] # Drop 'self'.
spec = ArgumentSpec(
name,
self._type,
positional_or_named=args,
var_positional=varargs,
var_named=kws,
defaults=self._get_defaults(args, defaults),
types=getattr(handler, 'robot_types', ())
)
return spec
def _get_defaults(self, args, default_values):
if not default_values:
return {}
return dict(zip(args[-len(default_values):], default_values))