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#!/usr/bin/env python3
#
# decoder.py
"""
TOML decoders.
.. versionadded:: 0.2.0
"""
#
# Copyright © 2021 Dominic Davis-Foster <dominic@davis-foster.co.uk>
#
# Based on https://github.com/uiri/toml
# MIT Licensed
# Copyright 2013-2019 William Pearson
# Copyright 2015-2016 Julien Enselme
# Copyright 2016 Google Inc.
# Copyright 2017 Samuel Vasko
# Copyright 2017 Nate Prewitt
# Copyright 2017 Jack Evans
# Copyright 2019 Filippo Broggini
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
# OR OTHER DEALINGS IN THE SOFTWARE.
#
# stdlib
import sys
from typing import Any, Callable, Dict, Tuple
if sys.version_info >= (3, 11): # pragma: no cover (<py311)
# stdlib
import tomllib as tomli
else: # pragma: no cover (py311+)
# 3rd party
import tomli
__all__ = ["InlineTableDict", "TomlDecoder", "TomlPureDecoder"]
class InlineTableDict(dict):
"""
Subclass of dict for inline tables.
.. versionadded:: 2.0.0
"""
class TomlDecoder:
"""
TOML decoder which uses a dict-subclass for inline tables.
.. versionadded:: 2.0.0
"""
def loads(self, s: str) -> Dict[str, Any]:
"""
Parse the given string as TOML.
:param s:
:returns: A mapping containing the ``TOML`` data.
.. latex:clearpage::
"""
try:
pit = tomli._parser.parse_inline_table
def _parse_inline_table(
src: str,
pos: int,
parse_float: Callable[[str], Any],
*args,
**kwargs,
) -> Tuple[int, Dict]:
pos, table = pit(src, pos, parse_float, *args, **kwargs)
return pos, InlineTableDict(table)
tomli._parser.parse_inline_table = _parse_inline_table
return tomli.loads(s)
finally:
tomli._parser.parse_inline_table = pit
class TomlPureDecoder(TomlDecoder):
"""
TOML decoder which uses pure-Python dictionaries for inline tables.
"""
def loads(self, s: str) -> Dict[str, Any]:
"""
Parse the given string as TOML.
:param s:
:returns: A mapping containing the ``TOML`` data.
.. versionadded:: 2.0.0
"""
return tomli.loads(s)
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