8000 TYP: type-tests and related fixes for the `numpy.polynomial` classes · numpy/numpy@d0945bd · GitHub
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TYP: type-tests and related fixes for the numpy.polynomial classes
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‎numpy/polynomial/_polybase.pyi‎

Lines changed: 40 additions & 54 deletions
< 908D /tr>
Original file line numberDiff line numberDiff line change
@@ -1,3 +1,4 @@
1+
import abc
12
import sys
23
from collections.abc import Iterator, Mapping, Sequence
34
from typing import (
@@ -15,18 +16,24 @@ from typing import (
1516

1617
import numpy as np
1718
import numpy.typing as npt
18-
from numpy._typing import _ArrayLikeInt_co
1919

2020
from ._polytypes import (
21-
_AnyInt,
21+
_AnyComplexSeries1D,
22+
_AnyIntArg,
2223
_AnyComplexScalar,
2324
_AnyComplexSeriesND,
25+
_AnyIntSeries1D,
26+
_AnyObjectSeries1D,
2427
_AnyObjectSeriesND,
28+
_AnyRealScalar,
29+
_AnyRealSeries1D,
2530
_AnyScalar,
2631
_AnySeries1D,
2732
_AnySeriesND,
33+
_Array1D,
2834
_Array2,
2935
_CoefArray1D,
36+
_ComplexArrayND,
3037
_SupportsLenAndGetItem,
3138
_Tuple2,
3239
)
@@ -43,12 +50,11 @@ __all__ = ["ABCPolyBase"]
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4451
_NameCo = TypeVar("_NameCo", bound=None | LiteralString, covariant=True)
4552
_Self = TypeVar("_Self", bound="ABCPolyBase")
46-
_Size = TypeVar("_Size", bound=int)
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4854
_AnyOther: TypeAlias = ABCPolyBase | _AnyScalar | _AnySeries1D
4955
_Hundred: TypeAlias = Literal[100]
5056

51-
class ABCPolyBase(Generic[_NameCo]):
57+
class ABCPolyBase(Generic[_NameCo], metaclass=abc.ABCMeta):
5258
__hash__: ClassVar[None] # type: ignore[assignment]
5359
__array_ufunc__: ClassVar[None]
5460

@@ -67,8 +73,7 @@ class ABCPolyBase(Generic[_NameCo]):
6773
def symbol(self, /) -> LiteralString: ...
6874

6975
def __init__(
70-
self,
71-
/,
76+
self, /,
7277
coef: _AnySeries1D,
7378
domain: None | _AnySeries1D = ...,
7479
window: None | _AnySeries1D = ...,
@@ -132,35 +137,35 @@ class ABCPolyBase(Generic[_NameCo]):
132137
def has_samecoef(self, /, other: ABCPolyBase) -> bool: ...
133138
def has_samedomain(self, /, other: ABCPolyBase) -> bool: ...
134139
def has_samewindow(self, /, other: ABCPolyBase) -> bool: ...
135-
def has_sametype(self: _Self, /, other: object) -> TypeGuard[_Self]: ...
140+
@overload
141+
def has_sametype(self: _Self, /, other: ABCPolyBase) -> TypeGuard[_Self]: ...
142+
@overload
143+
def has_sametype(self, /, other: object) -> Literal[False]: ...
136144

137145
def copy(self: _Self, /) -> _Self: ...
138146
def degree(self, /) -> int: ...
139147
def cutdeg(self: _Self, /) -> _Self: ...
140-
def trim(self: _Self, /, tol: float = ...) -> _Self: ...
141-
def truncate(self: _Self, /, size: _AnyInt) -> _Self: ...
148+
def trim(self: _Self, /, tol: _AnyRealScalar = ...) -> _Self: ...
149+
def truncate(self: _Self, /, size: _AnyIntArg) -> _Self: ...
142150

143151
@overload
144152
def convert(
145153
self,
146154
domain: None | _AnySeries1D,
147-
kind: type[_Self],
148-
/,
155+
kind: type[_Self], /,
149156
window: None | _AnySeries1D = ...,
150157
) -> _Self: ...
151158
@overload
152159
def convert(
153-
self,
154-
/,
160+
self, /,
155161
domain: None | _AnySeries1D = ...,
156162
*,
157163
kind: type[_Self],
158164
window: None | _AnySeries1D = ...,
159165
) -> _Self: ...
160166
@overload
161167
def convert(
162-
self: _Self,
163-
/,
168+
self: _Self, /,
164169
domain: None | _AnySeries1D = ...,
165170
kind: type[_Self] = ...,
166171
window: None | _AnySeries1D = ...,
@@ -169,8 +174,7 @@ class ABCPolyBase(Generic[_NameCo]):
169174
def mapparms(self, /) -> _Tuple2[Any]: ...
170175

171176
def integ(
172-
self: _Self,
173-
/,
177+
self: _Self, /,
174178
m: SupportsIndex = ...,
175179
k: _AnyComplexScalar | _SupportsLenAndGetItem[_AnyComplexScalar] = ...,
176180
lbnd: None | _AnyComplexScalar = ...,
@@ -180,37 +184,21 @@ class ABCPolyBase(Generic[_NameCo]):
180184

181185
def roots(self, /) -> _CoefArray1D: ...
182186

183-
@overload
184187
def linspace(
185-
self,
186-
/,
187-
n: _Size,
188-
domain: None | _AnySeries1D = ...,
189-
) -> tuple[
190-
np.ndarray[tuple[_Size], np.dtype[np.float64]],
191-
np.ndarray[tuple[_Size], np.dtype[np.float64 | np.complex128]],
192-
]: ...
193-
@overload
194-
def linspace(
195-
self,
196-
/,
197-
n: _Hundred = ...,
188+
self, /,
189+
n: SupportsIndex = ...,
198190
domain: None | _AnySeries1D = ...,
199-
) -> tuple[
200-
np.ndarray[tuple[_Hundred], np.dtype[np.float64]],
201-
np.ndarray[tuple[_Hundred], np.dtype[np.float64 | np.complex128]],
202-
]: ...
191+
) -> _Tuple2[_Array1D[np.float64 | np.complex128]]: ...
203192

204193
@overload
205194
@classmethod
206195
def fit(
207-
cls: type[_Self],
208-
/,
196+
cls: type[_Self], /,
209197
x: _AnySeries1D,
210198
y: _AnySeries1D,
211-
deg: _ArrayLikeInt_co,
199+
deg: int | _AnyIntSeries1D,
212200
domain: None | _AnySeries1D = ...,
213-
rcond: float = ...,
201+
rcond: _AnyRealScalar = ...,
214202
full: Literal[False] = ...,
215203
w: None | _AnySeries1D = ...,
216204
window: None | _AnySeries1D = ...,
@@ -222,9 +210,9 @@ class ABCPolyBase(Generic[_NameCo]):
222210
cls: type[_Self], /,
223211
x: _AnySeries1D,
224212
y: _AnySeries1D,
225-
deg: _ArrayLikeInt_co,
213+
deg: int | _AnyIntSeries1D,
226214
domain: None | _AnySeries1D = ...,
227-
rcond: float = ...,
215+
rcond: _AnyRealScalar = ...,
228216
*,
229217
full: Literal[True],
230218
w: None | _AnySeries1D = ...,
@@ -237,46 +225,44 @@ class ABCPolyBase(Generic[_NameCo]):
237225
cls: type[_Self],
238226
x: _AnySeries1D,
239227
y: _AnySeries1D,
240-
deg: _ArrayLikeInt_co,
228+
deg: int | _AnyIntSeries1D,
241229
domain: None | _AnySeries1D,
242-
rcond: float,
243-
full: Literal[True],
244-
/,
230+
rcond: _AnyRealScalar,
231+
full: Literal[True], /,
245232
w: None | _AnySeries1D = ...,
246233
window: None | _AnySeries1D = ...,
247234
symbol: str = ...,
248235
) -> tuple[_Self, Sequence[np.inexact[Any] | np.int32]]: ...
249236

250237
@classmethod
251238
def fromroots(
252-
cls: type[_Self],
253-
/,
239+
cls: type[_Self], /,
254240
roots: _AnySeriesND,
255241
domain: None | _AnySeries1D = ...,
256242
window: None | _AnySeries1D = ...,
243+
symbol: str = ...,
257244
) -> _Self: ...
258245

259246
@classmethod
260247
def identity(
261-
cls: type[_Self],
262-
/,
248+
cls: type[_Self], /,
263249
domain: None | _AnySeries1D = ...,
264250
window: None | _AnySeries1D = ...,
251+
symbol: str = ...,
265252
) -> _Self: ...
266253

267254
@classmethod
268255
def basis(
269-
cls: type[_Self],
270-
/,
271-
deg: int,
256+
cls: type[_Self], /,
257+
deg: _AnyIntArg,
272258
domain: None | _AnySeries1D = ...,
273259
window: None | _AnySeries1D = ...,
260+
symbol: str = ...,
274261
) -> _Self: ...
275262

276263
@classmethod
277264
def cast(
278-
cls: type[_Self],
279-
/,
265+
cls: type[_Self], /,
280266
series: ABCPolyBase,
281267
domain: None | _AnySeries1D = ...,
282268
window: None | _AnySeries1D = ...,

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