1# Copyright (c) 2020 Dmitry Marakasov <amdmi3@amdmi3.ru>
2#
3# Permission is hereby granted, free of charge, to any person obtaining a copy
4# of this software and associated documentation files (the "Software"), to deal
5# in the Software without restriction, including without limitation the rights
6# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7# copies of the Software, and to permit persons to whom the Software is
8# furnished to do so, subject to the following conditions:
9#
10# The above copyright notice and this permission notice shall be included in
11# all copies or substantial portions of the Software.
12#
13# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19# THE SOFTWARE.
20
21from typing import Any, Dict, Iterator, List, Tuple
22
23from aesqlapius.function_def import ArgumentDefinition, FunctionDefinition
24
25
26def _iter_args(func_def: FunctionDefinition, args: Tuple[Any, ...], kwargs: Dict[str, Any]) -> Iterator[Tuple[ArgumentDefinition, Any]]:
27    for narg, arg in enumerate(func_def.args):
28        value: Any = None
29        if narg < len(args):
30            if arg.name in kwargs:
31                raise TypeError(f"{func_def.name} got multiple values for argument '{arg.name}'")
32            value = args[narg]
33        elif arg.name in kwargs:
34            value = kwargs[arg.name]
35        elif arg.has_default:
36            value = arg.default
37        else:
38            raise TypeError(f"{func_def.name} missing required argument '{arg.name}'")
39
40        yield arg, value
41
42
43def prepare_args_as_dict(func_def: FunctionDefinition, args: Tuple[Any, ...], kwargs: Dict[str, Any]) -> Dict[str, Any]:
44    return {arg.name: value for arg, value in _iter_args(func_def, args, kwargs)}
45
46
47def prepare_args_as_list(func_def: FunctionDefinition, args: Tuple[Any, ...], kwargs: Dict[str, Any]) -> List[Any]:
48    return [value for arg, value in _iter_args(func_def, args, kwargs)]
49