dev-python/pydantic: new package, v1.6.1, indirect dep. of isort

Newer versions of dev-python/isort require hypothesis-auto which in turn
requires pydantic.

Package-Manager: Portage-3.0.8, Repoman-3.0.1
Signed-off-by: Louis Sautier <sbraz@gentoo.org>

5 files changed, 414 insertions, 0 deletions

diff --git a/dev-python/pydantic/Manifest b/dev-python/pydantic/Manifest
new file mode 100644
index 000000000000..08803723d751
--- /dev/null
+++ b/dev-python/pydantic/Manifest
@@ -0,0 +1 @@
+DIST pydantic-1.6.1.tar.gz 244677 BLAKE2B 0a1d6986858ab753cbc4dd262bd268b2a365c241a7de106a7bf21714c6c499c7dbacaea095789d3503507965ca50106da32545be670ed0261827f1fe0316ff67 SHA512 b0442f78a661f56d29697da7e27393261420bdb0f08473d2f7872145a49a18de8c17c903d0899a44263bcd8229e8790161da032dd5a3d5f2dae347c66bd6a567
diff --git a/dev-python/pydantic/files/pydantic-1.6.1-fix-tests.patch b/dev-python/pydantic/files/pydantic-1.6.1-fix-tests.patch
new file mode 100644
index 000000000000..1d6dc5d311a6
--- /dev/null
+++ b/dev-python/pydantic/files/pydantic-1.6.1-fix-tests.patch
@@ -0,0 +1,45 @@
+commit 44eac223df11a1b711ffe0d7946019a173c2a88e
+Author: Louis Sautier <sautier.louis@gmail.com>
+Date:   Thu Oct 8 14:19:58 2020 +0200
+
+    test_config_file_settings_nornir: use less common env. var names
+    
+    Gentoo's Portage sets A during the test phase, switching to less common
+    environment variable names reduces the likelihood of something similar
+    happening.
+
+diff --git a/tests/test_settings.py b/tests/test_settings.py
+index d24aae3..1f4d678 100644
+--- a/tests/test_settings.py
++++ b/tests/test_settings.py
+@@ -437,21 +437,21 @@ def test_config_file_settings_nornir(env):
+     """
+ 
+     class Settings(BaseSettings):
+-        a: str
+-        b: str
+-        c: str
++        param_a: str
++        param_b: str
++        param_c: str
+ 
+         def _build_values(self, init_kwargs, _env_file, _env_file_encoding):
+             config_settings = init_kwargs.pop('__config_settings__')
+             return {**config_settings, **init_kwargs, **self._build_environ()}
+ 
+-    env.set('C', 'env setting c')
++    env.set('PARAM_C', 'env setting c')
+ 
+-    config = {'a': 'config a', 'b': 'config b', 'c': 'config c'}
+-    s = Settings(__config_settings__=config, b='argument b', c='argument c')
+-    assert s.a == 'config a'
+-    assert s.b == 'argument b'
+-    assert s.c == 'env setting c'
++    config = {'param_a': 'config a', 'param_b': 'config b', 'param_c': 'config c'}
++    s = Settings(__config_settings__=config, param_b='argument b', param_c='argument c')
++    assert s.param_a == 'config a'
++    assert s.param_b == 'argument b'
++    assert s.param_c == 'env setting c'
+ 
+ 
+ test_env_file = """\
diff --git a/dev-python/pydantic/files/pydantic-1.6.1-py39.patch b/dev-python/pydantic/files/pydantic-1.6.1-py39.patch
new file mode 100644
index 000000000000..7cd5290cd591
--- /dev/null
+++ b/dev-python/pydantic/files/pydantic-1.6.1-py39.patch
@@ -0,0 +1,316 @@
+diff --git a/changes/1832-PrettyWood.md b/changes/1832-PrettyWood.md
+new file mode 100644
+index 000000000..5038a0da0
+--- /dev/null
++++ b/changes/1832-PrettyWood.md
+@@ -0,0 +1 @@
++add basic support of python 3.9
+diff --git a/pydantic/fields.py b/pydantic/fields.py
+index 01792b628..c52b34ea4 100644
+--- a/pydantic/fields.py
++++ b/pydantic/fields.py
+@@ -32,6 +32,8 @@
+     NoArgAnyCallable,
+     NoneType,
+     display_as_type,
++    get_args,
++    get_origin,
+     is_literal_type,
+     is_new_type,
+     new_type_supertype,
+@@ -411,7 +413,7 @@ def _type_analysis(self) -> None:  # noqa: C901 (ignore complexity)
+         elif is_literal_type(self.type_):
+             return
+ 
+-        origin = getattr(self.type_, '__origin__', None)
++        origin = get_origin(self.type_)
+         if origin is None:
+             # field is not "typing" object eg. Union, Dict, List etc.
+             # allow None for virtual superclasses of NoneType, e.g. Hashable
+@@ -422,7 +424,7 @@ def _type_analysis(self) -> None:  # noqa: C901 (ignore complexity)
+             return
+         if origin is Union:
+             types_ = []
+-            for type_ in self.type_.__args__:
++            for type_ in get_args(self.type_):
+                 if type_ is NoneType:
+                     if self.required is Undefined:
+                         self.required = False
+@@ -444,9 +446,9 @@ def _type_analysis(self) -> None:  # noqa: C901 (ignore complexity)
+         if issubclass(origin, Tuple):  # type: ignore
+             self.shape = SHAPE_TUPLE
+             self.sub_fields = []
+-            for i, t in enumerate(self.type_.__args__):
++            for i, t in enumerate(get_args(self.type_)):
+                 if t is Ellipsis:
+-                    self.type_ = self.type_.__args__[0]
++                    self.type_ = get_args(self.type_)[0]
+                     self.shape = SHAPE_TUPLE_ELLIPSIS
+                     return
+                 self.sub_fields.append(self._create_sub_type(t, f'{self.name}_{i}'))
+@@ -460,7 +462,7 @@ def _type_analysis(self) -> None:  # noqa: C901 (ignore complexity)
+                     {f'list_{i}': Validator(validator, pre=True) for i, validator in enumerate(get_validators())}
+                 )
+ 
+-            self.type_ = self.type_.__args__[0]
++            self.type_ = get_args(self.type_)[0]
+             self.shape = SHAPE_LIST
+         elif issubclass(origin, Set):
+             # Create self validators
+@@ -470,22 +472,22 @@ def _type_analysis(self) -> None:  # noqa: C901 (ignore complexity)
+                     {f'set_{i}': Validator(validator, pre=True) for i, validator in enumerate(get_validators())}
+                 )
+ 
+-            self.type_ = self.type_.__args__[0]
++            self.type_ = get_args(self.type_)[0]
+             self.shape = SHAPE_SET
+         elif issubclass(origin, FrozenSet):
+-            self.type_ = self.type_.__args__[0]
++            self.type_ = get_args(self.type_)[0]
+             self.shape = SHAPE_FROZENSET
+         elif issubclass(origin, Sequence):
+-            self.type_ = self.type_.__args__[0]
++            self.type_ = get_args(self.type_)[0]
+             self.shape = SHAPE_SEQUENCE
+         elif issubclass(origin, Mapping):
+-            self.key_field = self._create_sub_type(self.type_.__args__[0], 'key_' + self.name, for_keys=True)
+-            self.type_ = self.type_.__args__[1]
++            self.key_field = self._create_sub_type(get_args(self.type_)[0], 'key_' + self.name, for_keys=True)
++            self.type_ = get_args(self.type_)[1]
+             self.shape = SHAPE_MAPPING
+         # Equality check as almost everything inherits form Iterable, including str
+         # check for Iterable and CollectionsIterable, as it could receive one even when declared with the other
+         elif origin in {Iterable, CollectionsIterable}:
+-            self.type_ = self.type_.__args__[0]
++            self.type_ = get_args(self.type_)[0]
+             self.shape = SHAPE_ITERABLE
+             self.sub_fields = [self._create_sub_type(self.type_, f'{self.name}_type')]
+         elif issubclass(origin, Type):  # type: ignore
+@@ -494,7 +496,7 @@ def _type_analysis(self) -> None:  # noqa: C901 (ignore complexity)
+             # Is a Pydantic-compatible generic that handles itself
+             # or we have arbitrary_types_allowed = True
+             self.shape = SHAPE_GENERIC
+-            self.sub_fields = [self._create_sub_type(t, f'{self.name}_{i}') for i, t in enumerate(self.type_.__args__)]
++            self.sub_fields = [self._create_sub_type(t, f'{self.name}_{i}') for i, t in enumerate(get_args(self.type_))]
+             self.type_ = origin
+             return
+         else:
+diff --git a/pydantic/generics.py b/pydantic/generics.py
+index 64562227d..0a5e75401 100644
+--- a/pydantic/generics.py
++++ b/pydantic/generics.py
+@@ -3,6 +3,7 @@
+ from .class_validators import gather_all_validators
+ from .fields import FieldInfo, ModelField
+ from .main import BaseModel, create_model
++from .typing import get_origin
+ from .utils import lenient_issubclass
+ 
+ _generic_types_cache: Dict[Tuple[Type[Any], Union[Any, Tuple[Any, ...]]], Type[BaseModel]] = {}
+@@ -37,7 +38,7 @@ def __class_getitem__(cls: Type[GenericModelT], params: Union[Type[Any], Tuple[T
+         check_parameters_count(cls, params)
+         typevars_map: Dict[TypeVarType, Type[Any]] = dict(zip(cls.__parameters__, params))
+         type_hints = get_type_hints(cls).items()
+-        instance_type_hints = {k: v for k, v in type_hints if getattr(v, '__origin__', None) is not ClassVar}
++        instance_type_hints = {k: v for k, v in type_hints if get_origin(v) is not ClassVar}
+         concrete_type_hints: Dict[str, Type[Any]] = {
+             k: resolve_type_hint(v, typevars_map) for k, v in instance_type_hints.items()
+         }
+@@ -79,7 +80,7 @@ def __concrete_name__(cls: Type[Any], params: Tuple[Type[Any], ...]) -> str:
+ 
+ 
+ def resolve_type_hint(type_: Any, typevars_map: Dict[Any, Any]) -> Type[Any]:
+-    if hasattr(type_, '__origin__') and getattr(type_, '__parameters__', None):
++    if get_origin(type_) and getattr(type_, '__parameters__', None):
+         concrete_type_args = tuple([typevars_map[x] for x in type_.__parameters__])
+         return type_[concrete_type_args]
+     return typevars_map.get(type_, type_)
+diff --git a/pydantic/main.py b/pydantic/main.py
+index c872f1e3b..87299b645 100644
+--- a/pydantic/main.py
++++ b/pydantic/main.py
+@@ -33,7 +33,7 @@
+ from .parse import Protocol, load_file, load_str_bytes
+ from .schema import model_schema
+ from .types import PyObject, StrBytes
+-from .typing import AnyCallable, ForwardRef, is_classvar, resolve_annotations, update_field_forward_refs
++from .typing import AnyCallable, ForwardRef, get_origin, is_classvar, resolve_annotations, update_field_forward_refs
+ from .utils import (
+     ClassAttribute,
+     GetterDict,
+@@ -256,7 +256,7 @@ def __new__(mcs, name, bases, namespace, **kwargs):  # noqa C901
+                     if (
+                         isinstance(value, untouched_types)
+                         and ann_type != PyObject
+-                        and not lenient_issubclass(getattr(ann_type, '__origin__', None), Type)
++                        and not lenient_issubclass(get_origin(ann_type), Type)
+                     ):
+                         continue
+                     fields[ann_name] = inferred = ModelField.infer(
+diff --git a/pydantic/schema.py b/pydantic/schema.py
+index 27c66b2bd..4f6258ab1 100644
+--- a/pydantic/schema.py
++++ b/pydantic/schema.py
+@@ -55,7 +55,7 @@
+     conset,
+     constr,
+ )
+-from .typing import ForwardRef, Literal, is_callable_type, is_literal_type, literal_values
++from .typing import ForwardRef, Literal, get_args, get_origin, is_callable_type, is_literal_type, literal_values
+ from .utils import get_model, lenient_issubclass, sequence_like
+ 
+ if TYPE_CHECKING:
+@@ -803,9 +803,9 @@ def go(type_: Any) -> Type[Any]:
+             or lenient_issubclass(type_, (ConstrainedList, ConstrainedSet))
+         ):
+             return type_
+-        origin = getattr(type_, '__origin__', None)
++        origin = get_origin(type_)
+         if origin is not None:
+-            args: Tuple[Any, ...] = type_.__args__
++            args: Tuple[Any, ...] = get_args(type_)
+             if any(isinstance(a, ForwardRef) for a in args):
+                 # forward refs cause infinite recursion below
+                 return type_
+diff --git a/pydantic/typing.py b/pydantic/typing.py
+index 070691eeb..729ebd71b 100644
+--- a/pydantic/typing.py
++++ b/pydantic/typing.py
+@@ -44,12 +44,19 @@ def evaluate_forwardref(type_: ForwardRef, globalns: Any, localns: Any) -> Any:
+         return type_._eval_type(globalns, localns)
+ 
+ 
+-else:
++elif sys.version_info < (3, 9):
+ 
+     def evaluate_forwardref(type_: ForwardRef, globalns: Any, localns: Any) -> Any:
+         return type_._evaluate(globalns, localns)
+ 
+ 
++else:
++
++    # TODO: remove the pragma: no cover once we can run CI on python 3.9
++    def evaluate_forwardref(type_: ForwardRef, globalns: Any, localns: Any) -> Any:  # pragma: no cover
++        return type_._evaluate(globalns, localns, set())
++
++
+ if sys.version_info < (3, 7):
+     from typing import Callable as Callable
+ 
+@@ -70,8 +77,50 @@ def evaluate_forwardref(type_: ForwardRef, globalns: Any, localns: Any) -> Any:
+             from typing_extensions import Literal
+         except ImportError:
+             Literal = None
++
++    def get_args(t: Type[Any]) -> Tuple[Any, ...]:
++        return getattr(t, '__args__', ())
++
++    def get_origin(t: Type[Any]) -> Optional[Type[Any]]:
++        return getattr(t, '__origin__', None)
++
++
+ else:
+-    from typing import Literal
++    from typing import Literal, get_args as typing_get_args, get_origin as typing_get_origin
++
++    def get_origin(tp: Type[Any]) -> Type[Any]:
++        return typing_get_origin(tp) or getattr(tp, '__origin__', None)
++
++    def generic_get_args(tp: Type[Any]) -> Tuple[Any, ...]:
++        """
++        In python 3.9, `typing.Dict`, `typing.List`, ...
++        do have an empty `__args__` by default (instead of the generic ~T for example).
++        In order to still support `Dict` for example and consider it as `Dict[Any, Any]`,
++        we retrieve the `_nparams` value that tells us how many parameters it needs.
++        """
++        # TODO: remove the pragma: no cover once we can run CI on python 3.9
++        if hasattr(tp, '_nparams'):  # pragma: no cover
++            return (Any,) * tp._nparams
++        return ()
++
++    def get_args(tp: Type[Any]) -> Tuple[Any, ...]:
++        """Get type arguments with all substitutions performed.
++
++        For unions, basic simplifications used by Union constructor are performed.
++        Examples::
++            get_args(Dict[str, int]) == (str, int)
++            get_args(int) == ()
++            get_args(Union[int, Union[T, int], str][int]) == (int, str)
++            get_args(Union[int, Tuple[T, int]][str]) == (int, Tuple[str, int])
++            get_args(Callable[[], T][int]) == ([], int)
++        """
++        try:
++            args = typing_get_args(tp)
++        # TODO: remove the pragma: no cover once we can run CI on python 3.9
++        except IndexError:  # pragma: no cover
++            args = ()
++        return args or getattr(tp, '__args__', ()) or generic_get_args(tp)
++
+ 
+ if TYPE_CHECKING:
+     from .fields import ModelField
+@@ -115,6 +164,8 @@ def evaluate_forwardref(type_: ForwardRef, globalns: Any, localns: Any) -> Any:
+     'CallableGenerator',
+     'ReprArgs',
+     'CallableGenerator',
++    'get_args',
++    'get_origin',
+ )
+ 
+ 
+@@ -167,16 +218,16 @@ def resolve_annotations(raw_annotations: Dict[str, Type[Any]], module_name: Opti
+ 
+ 
+ def is_callable_type(type_: Type[Any]) -> bool:
+-    return type_ is Callable or getattr(type_, '__origin__', None) is Callable
++    return type_ is Callable or get_origin(type_) is Callable
+ 
+ 
+ if sys.version_info >= (3, 7):
+ 
+     def is_literal_type(type_: Type[Any]) -> bool:
+-        return Literal is not None and getattr(type_, '__origin__', None) is Literal
++        return Literal is not None and get_origin(type_) is Literal
+ 
+     def literal_values(type_: Type[Any]) -> Tuple[Any, ...]:
+-        return type_.__args__
++        return get_args(type_)
+ 
+ 
+ else:
+@@ -217,12 +268,15 @@ def new_type_supertype(type_: Type[Any]) -> Type[Any]:
+     return type_
+ 
+ 
+-def _check_classvar(v: Type[Any]) -> bool:
++def _check_classvar(v: Optional[Type[Any]]) -> bool:
++    if v is None:
++        return False
++
+     return v.__class__ == ClassVar.__class__ and (sys.version_info < (3, 7) or getattr(v, '_name', None) == 'ClassVar')
+ 
+ 
+ def is_classvar(ann_type: Type[Any]) -> bool:
+-    return _check_classvar(ann_type) or _check_classvar(getattr(ann_type, '__origin__', None))
++    return _check_classvar(ann_type) or _check_classvar(get_origin(ann_type))
+ 
+ 
+ def update_field_forward_refs(field: 'ModelField', globalns: Any, localns: Any) -> None:
+@@ -243,13 +297,13 @@ def get_class(type_: Type[Any]) -> Union[None, bool, Type[Any]]:
+     without brackets. Otherwise returns None.
+     """
+     try:
+-        origin = getattr(type_, '__origin__')
++        origin = get_origin(type_)
+         if origin is None:  # Python 3.6
+             origin = type_
+         if issubclass(origin, Type):  # type: ignore
+-            if type_.__args__ is None or not isinstance(type_.__args__[0], type):
++            if not get_args(type_) or not isinstance(get_args(type_)[0], type):
+                 return True
+-            return type_.__args__[0]
+-    except AttributeError:
++            return get_args(type_)[0]
++    except (AttributeError, TypeError):
+         pass
+     return None
diff --git a/dev-python/pydantic/metadata.xml b/dev-python/pydantic/metadata.xml
new file mode 100644
index 000000000000..3f626e20bc7d
--- /dev/null
+++ b/dev-python/pydantic/metadata.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>python@gentoo.org</email>
+		<name>Python</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="pypi">pydantic</remote-id>
+		<remote-id type="github">samuelcolvin/pydantic</remote-id>
+		<bugs-to>https://github.com/samuelcolvin/pydantic/issues</bugs-to>
+		<doc>https://pydantic-docs.helpmanual.io/</doc>
+	</upstream>
+</pkgmetadata>
diff --git a/dev-python/pydantic/pydantic-1.6.1.ebuild b/dev-python/pydantic/pydantic-1.6.1.ebuild
new file mode 100644
index 000000000000..584f26cc9ec3
--- /dev/null
+++ b/dev-python/pydantic/pydantic-1.6.1.ebuild
@@ -0,0 +1,38 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+# At the moment, PyPy3 doesn't have a dataclasses module
+# It can probably be added when PyPy3.7 is stable
+PYTHON_COMPAT=( python3_{7..9} )
+
+inherit distutils-r1
+
+DESCRIPTION="Data parsing and validation using Python type hints"
+HOMEPAGE="https://github.com/samuelcolvin/pydantic"
+# No tests on PyPI: https://github.com/samuelcolvin/pydantic/pull/1976
+SRC_URI="https://github.com/samuelcolvin/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+BDEPEND="
+	dev-python/cython[${PYTHON_USEDEP}]
+"
+
+PATCHES=(
+	# https://github.com/samuelcolvin/pydantic/pull/1977
+	"${FILESDIR}/${P}-fix-tests.patch"
+	# https://github.com/samuelcolvin/pydantic/pull/1844
+	"${FILESDIR}/${P}-py39.patch"
+)
+
+distutils_enable_tests pytest
+
+python_prepare_all() {
+	# So we don't need pytest-timeout
+	sed -i '/^timeout = /d' setup.cfg || die
+	distutils-r1_python_prepare_all
+}