update to allow py38

.github/workflows/tests.yml

@@ -17,6 +17,8 @@ jobs:
           - py312
           - py311
           - py310
+          - py39
+          - py38
     steps:
         - uses: actions/checkout@v4
         - uses: prefix-dev/setup-pixi@v0.5.1

pixi.toml

@@ -10,7 +10,7 @@ platforms = ["win-64", "linux-64", "osx-64", "osx-arm64"]
 build_sdist = "pixi run python -m build --sdist"
 
 [dependencies]
-python = ">=3.10"
+python = ">=3.8"
 build = ">=0.7.0,<0.8"
 rattler-build = ">=0.18.1,<1"
 conda-build = ">=24.3.0,<25.0"
@@ -53,8 +53,16 @@ python = "3.11.*"
 [feature.py310.dependencies]
 python = "3.10.*"
 
+[feature.py39.dependencies]
+python = "3.9.*"
+
+[feature.py38.dependencies]
+python = "3.8.*"
+
 [environments]
 py312 = { features = ["py312", "tests"] }
 py311 = ["py311", "tests"]
 py310 = ["py310", "tests"]
+py39 = ["py39", "tests"]
+py38 = ["py38", "tests"]
 lint = { features = ["lint"], no-default-feature = true }

pyproject.toml

@@ -12,10 +12,10 @@ license = { file = "LICENSE.txt" }
 dependencies = [
     "typing-extensions>=4.12,<5"
 ]
-requires-python = ">=3.10"
+requires-python = ">=3.8"
 
 [tool.ruff]
-target-version = "py310"
+target-version = "py38"
 line-length = 100
 
 [tool.ruff.format]
@@ -48,5 +48,5 @@ venvPath = ".pixi/envs"
 venv = "default"
 
 [tool.mypy]
-python_version = "3.10"
+python_version = "3.8"
 allow_redefinition = true

src/rattler_build_conda_compat/conditional_list.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Any, Generic, TypeVar, Union, cast
+from typing import TYPE_CHECKING, Any, Generic, List, TypeVar, Union, cast
 
 if TYPE_CHECKING:
     from collections.abc import Callable, Generator
@@ -15,7 +15,7 @@ class IfStatement(Generic[T]):
     else_: T | list[T] | None
 
 
-ConditionalList = Union[T, IfStatement[T], list[T | IfStatement[T]]]  # noqa: UP007
+ConditionalList = Union[T, IfStatement[T], List[Union[T, IfStatement[T]]]]
 
 
 def visit_conditional_list(  # noqa: C901

src/rattler_build_conda_compat/recipe_sources.py

@@ -2,7 +2,7 @@
 
 import sys
 import typing
-from typing import Any, TypedDict
+from typing import Any, List, TypedDict, Union
 
 from .conditional_list import ConditionalList, visit_conditional_list
 
@@ -14,7 +14,7 @@
 if typing.TYPE_CHECKING:
     from collections.abc import Iterator, Mapping
 
-OptionalUrlList = str | list[str] | None
+OptionalUrlList = Union[str, List[str], None]
 
 
 class Source(TypedDict):

src/rattler_build_conda_compat/render.py

@@ -68,35 +68,33 @@ def render_recipes(self, variants) -> List[Dict]:
         platform_and_arch = f"{self.config.platform}-{self.config.arch}"
 
         try:
-            with (
-                tempfile.NamedTemporaryFile(mode="w+") as outfile,
-                tempfile.NamedTemporaryFile(mode="w") as variants_file,
-            ):
-                # dump variants in our variants that will be used to generate recipe
-                if variants:
-                    yaml.dump(variants, variants_file, default_flow_style=False)
-
-                variants_path = variants_file.name
-
-                run_args = [
-                    "rattler-build",
-                    "build",
-                    "--render-only",
-                    "--recipe",
-                    self.path,
-                    "--target-platform",
-                    platform_and_arch,
-                    "--build-platform",
-                    platform_and_arch,
-                ]
-
-                if variants:
-                    run_args.extend(["-m", variants_path])
-                subprocess.run(run_args, check=True, stdout=outfile, env=os.environ)
-
-                outfile.seek(0)
-                content = outfile.read()
-                metadata = json.loads(content)
+            with tempfile.NamedTemporaryFile(mode="w+") as outfile:
+                with tempfile.NamedTemporaryFile(mode="w") as variants_file:
+                    # dump variants in our variants that will be used to generate recipe
+                    if variants:
+                        yaml.dump(variants, variants_file, default_flow_style=False)
+
+                    variants_path = variants_file.name
+
+                    run_args = [
+                        "rattler-build",
+                        "build",
+                        "--render-only",
+                        "--recipe",
+                        self.path,
+                        "--target-platform",
+                        platform_and_arch,
+                        "--build-platform",
+                        platform_and_arch,
+                    ]
+
+                    if variants:
+                        run_args.extend(["-m", variants_path])
+                    subprocess.run(run_args, check=True, stdout=outfile, env=os.environ)
+
+                    outfile.seek(0)
+                    content = outfile.read()
+                    metadata = json.loads(content)
             return metadata if isinstance(metadata, list) else [metadata]
 
         except Exception as e: