build: adopt spec-0

.github/workflows/ci.yml

@@ -50,12 +50,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.11", "3.12", "3.13"]
         runs-on: [ubuntu-latest, macos-latest, windows-latest]
 
-        include:
-          - python-version: pypy-3.10
-            runs-on: ubuntu-latest
+        # TODO: check when pypy3.11 is available
+        # include:
+        #   - python-version: pypy-3.11
+        #     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4
@@ -89,7 +90,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10"]
+        python-version: ["3.11"]
         runs-on: [ubuntu-latest]
 
     steps:
@@ -124,7 +125,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.11", "3.12", "3.13"]
         runs-on: [ubuntu-latest]
 
     steps:

.python-version

@@ -1 +1 @@
-3.10
+3.11

README.md

@@ -101,6 +101,7 @@ consider citing this work.
 
 [![codecov][codecov-badge]][codecov-link]
 [![Actions Status][actions-badge]][actions-link]
+[![SPEC 0 — Minimum Supported Dependencies][spec0-badge]][spec0-link]
 
 We welcome contributions!
 
@@ -118,6 +119,8 @@ We welcome contributions!
 [pypi-version]:             https://img.shields.io/pypi/v/unxt
 [rtd-badge]:                https://readthedocs.org/projects/unxt/badge/?version=latest
 [rtd-link]:                 https://unxt.readthedocs.io/en/latest/?badge=latest
+[spec0-badge]:              https://img.shields.io/badge/SPEC-0-green?labelColor=%23004811&color=%235CA038
+[spec0-link]:               https://scientific-python.org/specs/spec-0000/
 [zenodo-badge]:             https://zenodo.org/badge/734877295.svg
 [zenodo-link]:              https://zenodo.org/doi/10.5281/zenodo.10850455
 

pyproject.toml

@@ -3,7 +3,7 @@
   dynamic = ["version"]
   description = "Quantities in JAX"
   readme = "README.md"
-  requires-python = ">=3.10,<3.14"
+  requires-python = ">=3.11,<3.14"
   authors = [
     { name = "GalacticDynamics", email = "[email protected]" },
     { name = "Nathaniel Starkman", email = "[email protected]" },
@@ -17,7 +17,6 @@
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3 :: Only",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
@@ -27,7 +26,7 @@
   ]
   license.file = "LICENSE"
   dependencies = [
-    "astropy>=6.0",
+    "astropy>=7.0.0",
     "dataclassish>=0.3",
     "equinox>=0.11.8",
     "is-annotated>=1.0",
@@ -133,7 +132,7 @@
   disallow_untyped_defs    = false
   enable_error_code        = ["ignore-without-code", "redundant-expr", "truthy-bool"]
   files                    = ["src", "tests"]
-  python_version           = "3.10"
+  python_version           = "3.11"
   strict                   = true
   warn_return_any          = false
   warn_unreachable         = true
@@ -238,7 +237,7 @@
     "wrong-import-order",         # handled by ruff
     "wrong-import-position",
   ]
-  py-version = "3.10"
+  py-version = "3.11"
   reports.output-format = "colorized"
   similarities.ignore-imports = "yes"
 

src/unxt/_interop/unxt_interop_astropy/quantity.py

@@ -7,14 +7,11 @@
 import astropy.units as apyu
 from astropy.coordinates import Angle as AstropyAngle, Distance as AstropyDistance
 from astropy.units import Quantity as AstropyQuantity
-from jaxtyping import Array
-from packaging.version import Version
 from plum import conversion_method, dispatch, type_unparametrized as type_up
 
 import quaxed.numpy as jnp
 from dataclassish import field_items, replace
 
-from unxt._interop.optional_deps import OptDeps
 from unxt.dims import dimension_of
 from unxt.quantity import AbstractQuantity, Quantity, UncheckedQuantity
 
@@ -176,46 +173,6 @@ def convert_astropy_quantity_to_unxt_uncheckedquantity(
 )
 
 
-if Version("7.0") <= OptDeps.ASTROPY.version:
-
-    def _apy7_unit_to(self: AstropyUnit, other: AstropyUnit, value: Array, /) -> Array:
-        return self.to(other, value)
-
-else:
-
-    def _apy7_unit_to(self: AstropyUnit, other: AstropyUnit, value: Array, /) -> Array:
-        """Convert the value to the other unit."""
-        # return self.get_converter(Unit(other), equivalencies)(value)
-        # First see if it is just a scaling.
-        try:
-            scale = self._to(other)
-        except apyu.UnitsError:
-            pass
-        else:
-            return scale * value
-
-        # if that doesn't work, maybe we can do it with equivalencies?
-        try:
-            return self._apply_equivalencies(
-                self, other, self._normalize_equivalencies([])
-            )(value)
-        except apyu.UnitsError as exc:
-            # Last hope: maybe other knows how to do it?
-            # We assume the equivalencies have the unit itself as first item.
-            # TODO: maybe better for other to have a `_back_converter` method?
-            if hasattr(other, "equivalencies"):
-                for funit, tunit, _, b in other.equivalencies:
-                    if other is funit:
-                        try:
-                            converter = self.get_converter(tunit, [])
-                        except Exception:  # noqa: BLE001, S110  # pylint: disable=W0718
-                            pass
-                        else:
-                            return b(converter(value))
-
-            raise exc  # noqa: TRY201
-
-
 @dispatch  # type: ignore[misc]
 def uconvert(unit: AstropyUnit, x: AbstractQuantity, /) -> AbstractQuantity:
     """Convert the quantity to the specified units.
@@ -233,21 +190,21 @@ def uconvert(unit: AstropyUnit, x: AbstractQuantity, /) -> AbstractQuantity:
     >>> with apyu.add_enabled_equivalencies(apyu.temperature()):
     ...     y = x.uconvert("deg_C")
     >>> y
-    Quantity['temperature'](Array([-272.15, -271.15, -270.15], dtype=float32), unit='deg_C')
+    Quantity['temperature'](Array([-272.15, -271.15, -270.15], dtype=float32, ...), unit='deg_C')
 
     >>> x = Quantity([1, 2, 3], "radian")
     >>> with apyu.add_enabled_equivalencies(apyu.dimensionless_angles()):
     ...     y = x.uconvert("")
     >>> y
-    Quantity['dimensionless'](Array([1., 2., 3.], dtype=float32), unit='')
+    Quantity['dimensionless'](Array([1., 2., 3.], dtype=float32, ...), unit='')
 
     """  # noqa: E501
     # Hot-path: if no unit conversion is necessary
     if x.unit == unit:
         return x
 
     # Compute the value. Used in all subsequent branches.
-    value = _apy7_unit_to(x.unit, unit, x.value)
+    value = x.unit.to(unit, x.value)
 
     # If the dimensions are the same, we can just replace the value and unit.
     if dimension_of(x.unit) == dimension_of(unit):

src/unxt/_src/quantity/base.py

@@ -28,7 +28,7 @@
 from unxt._src.units.core import AbstractUnits
 
 if TYPE_CHECKING:
-    from typing_extensions import Self
+    from typing import Self
 
 
 FMT = TypeVar("FMT")

src/unxt/_src/utils.py

@@ -8,7 +8,7 @@
 from typing import TYPE_CHECKING, Any, cast
 
 if TYPE_CHECKING:
-    from typing_extensions import Self
+    from typing import Self
 
 
 _singleton_insts: dict[type, object] = {}