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105 lines
2.0 KiB
Python
105 lines
2.0 KiB
Python
# SPDX-License-Identifier: MIT
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"""
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Classes Without Boilerplate
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"""
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from functools import partial
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from typing import Callable, Literal, Protocol
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from . import converters, exceptions, filters, setters, validators
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from ._cmp import cmp_using
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from ._config import get_run_validators, set_run_validators
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from ._funcs import asdict, assoc, astuple, has, resolve_types
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from ._make import (
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NOTHING,
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Attribute,
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Converter,
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Factory,
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_Nothing,
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attrib,
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attrs,
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evolve,
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fields,
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fields_dict,
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make_class,
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validate,
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)
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from ._next_gen import define, field, frozen, mutable
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from ._version_info import VersionInfo
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s = attributes = attrs
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ib = attr = attrib
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dataclass = partial(attrs, auto_attribs=True) # happy Easter ;)
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class AttrsInstance(Protocol):
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pass
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NothingType = Literal[_Nothing.NOTHING]
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__all__ = [
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"NOTHING",
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"Attribute",
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"AttrsInstance",
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"Converter",
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"Factory",
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"NothingType",
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"asdict",
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"assoc",
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"astuple",
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"attr",
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"attrib",
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"attributes",
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"attrs",
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"cmp_using",
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"converters",
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"define",
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"evolve",
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"exceptions",
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"field",
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"fields",
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"fields_dict",
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"filters",
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"frozen",
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"get_run_validators",
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"has",
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"ib",
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"make_class",
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"mutable",
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"resolve_types",
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"s",
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"set_run_validators",
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"setters",
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"validate",
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"validators",
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]
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def _make_getattr(mod_name: str) -> Callable:
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"""
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Create a metadata proxy for packaging information that uses *mod_name* in
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its warnings and errors.
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"""
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def __getattr__(name: str) -> str:
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if name not in ("__version__", "__version_info__"):
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msg = f"module {mod_name} has no attribute {name}"
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raise AttributeError(msg)
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from importlib.metadata import metadata
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meta = metadata("attrs")
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if name == "__version_info__":
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return VersionInfo._from_version_string(meta["version"])
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return meta["version"]
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return __getattr__
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__getattr__ = _make_getattr(__name__)
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