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# SPDX-License-Identifier: MIT
"""
Classes Without Boilerplate
"""
from functools import partial
from typing import Callable
from . import converters, exceptions, filters, setters, validators
from ._cmp import cmp_using
from ._compat import Protocol
from ._config import get_run_validators, set_run_validators
from ._funcs import asdict, assoc, astuple, evolve, has, resolve_types
from ._make import (
NOTHING,
Attribute,
Factory,
attrib,
attrs,
fields,
fields_dict,
make_class,
validate,
)
from ._next_gen import define, field, frozen, mutable
from ._version_info import VersionInfo
s = attributes = attrs
ib = attr = attrib
dataclass = partial(attrs, auto_attribs=True) # happy Easter ;)
class AttrsInstance(Protocol):
pass
__all__ = [
"Attribute",
"AttrsInstance",
"Factory",
"NOTHING",
"asdict",
"assoc",
"astuple",
"attr",
"attrib",
"attributes",
"attrs",
"cmp_using",
"converters",
"define",
"evolve",
"exceptions",
"field",
"fields",
"fields_dict",
"filters",
"frozen",
"get_run_validators",
"has",
"ib",
"make_class",
"mutable",
"resolve_types",
"s",
"set_run_validators",
"setters",
"validate",
"validators",
]
def _make_getattr(mod_name: str) -> Callable:
"""
Create a metadata proxy for packaging information that uses *mod_name* in
its warnings and errors.
"""
def __getattr__(name: str) -> str:
dunder_to_metadata = {
"__title__": "Name",
"__copyright__": "",
"__version__": "version",
"__version_info__": "version",
"__description__": "summary",
"__uri__": "",
"__url__": "",
"__author__": "",
"__email__": "",
"__license__": "license",
}
if name not in dunder_to_metadata:
msg = f"module {mod_name} has no attribute {name}"
raise AttributeError(msg)
import sys
import warnings
if sys.version_info < (3, 8):
from importlib_metadata import metadata
else:
from importlib.metadata import metadata
if name not in ("__version__", "__version_info__"):
warnings.warn(
f"Accessing {mod_name}.{name} is deprecated and will be "
"removed in a future release. Use importlib.metadata directly "
"to query for attrs's packaging metadata.",
DeprecationWarning,
stacklevel=2,
)
meta = metadata("attrs")
if name == "__license__":
return "MIT"
if name == "__copyright__":
return "Copyright (c) 2015 Hynek Schlawack"
if name in ("__uri__", "__url__"):
return meta["Project-URL"].split(" ", 1)[-1]
if name == "__version_info__":
return VersionInfo._from_version_string(meta["version"])
if name == "__author__":
return meta["Author-email"].rsplit(" ", 1)[0]
if name == "__email__":
return meta["Author-email"].rsplit("<", 1)[1][:-1]
return meta[dunder_to_metadata[name]]
return __getattr__
__getattr__ = _make_getattr(__name__)
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