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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 ._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:
| 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.keys():
| raise AttributeError(f"module {mod_name} has no attribute {name}")
|
| import sys
| import warnings
|
| if sys.version_info < (3, 8):
| from importlib_metadata import metadata
| else:
| from importlib.metadata import metadata
|
| if name != "__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"
| elif name == "__copyright__":
| return "Copyright (c) 2015 Hynek Schlawack"
| elif name in ("__uri__", "__url__"):
| return meta["Project-URL"].split(" ", 1)[-1]
| elif name == "__version_info__":
| return VersionInfo._from_version_string(meta["version"])
| elif name == "__author__":
| return meta["Author-email"].rsplit(" ", 1)[0]
| elif name == "__email__":
| return meta["Author-email"].rsplit("<", 1)[1][:-1]
|
| return meta[dunder_to_metadata[name]]
|
| return __getattr__
|
|
| __getattr__ = _make_getattr(__name__)
|
|
