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Use nox virtual-environments in sessions #235

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Merged
Preocts merged 1 commit into from
May 3, 2026
+12 −11
Merged

Use nox virtual-environments in sessions #235

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23 changes: 12 additions & 11 deletions noxfile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,11 @@
LINT_PATH = "./src"
TESTS_PATH = "./tests"

_file_python_version = pathlib.Path(".python-version").read_text()
_uv_python_version = os.getenv("UV_PYTHON", "")
# Favor the UV_PYTHON environment variable as this should override the .python-version
PYTHON_VERSION = _uv_python_version or _file_python_version

# What we allowed to clean (delete)
CLEANABLE_TARGETS = [
"./dist",
Expand Down Expand Up @@ -61,23 +66,19 @@


@nox.session(name="dev", python=False)
def dev_session(session: nox.Session) -> None:
def create_dev_environment(session: nox.Session) -> None:
"""Create a development environment."""
session.run_install("uv", "sync")


@nox.session(name="test", python=False)
@nox.session(name="test", python=PYTHON_VERSION)
def run_tests_with_coverage(session: nox.Session) -> None:
"""Run pytest in isolated environment, display coverage. Extra arguements passed to pytest."""
uv_args = UV_ARGS
if "UV_PYTHON" in os.environ:
uv_args = UV_ARGS + [f"--python={os.environ['UV_PYTHON']}"]

partial = "partial-coverage" in session.posargs

session.run_install("uv", "sync", *uv_args)
session.run_install("uv", "sync", *UV_ARGS)

coverage = functools.partial(session.run, "uv", "run", *uv_args, "coverage")
coverage = functools.partial(session.run, "uv", "run", *UV_ARGS, "coverage")

coverage("erase")

Expand All @@ -90,7 +91,7 @@ def run_tests_with_coverage(session: nox.Session) -> None:
coverage("html")


@nox.session(name="combine", python=False)
@nox.session(name="combine", python=PYTHON_VERSION)
def combine_coverage(session: nox.Session) -> None:
"""Combine parallel-mode coverage files and produce reports."""
session.run_install("uv", "sync", *UV_ARGS)
Expand All @@ -103,7 +104,7 @@ def combine_coverage(session: nox.Session) -> None:
coverage("json")


@nox.session(name="lint", python=False)
@nox.session(name="lint", python=PYTHON_VERSION)
def run_linters(session: nox.Session) -> None:
"""Run code linters, and type checking against all files."""
session.run_install("uv", "sync", "--group", "lint", *UV_ARGS)
Expand All @@ -112,7 +113,7 @@ def run_linters(session: nox.Session) -> None:
session.run("uv", "run", *UV_ARGS, *linter_args)


@nox.session(name="format", python=False)
@nox.session(name="format", python=PYTHON_VERSION)
def run_formatters(session: nox.Session) -> None:
"""Run code formatters against all files."""
session.run_install("uv", "sync", "--group", "format", *UV_ARGS)
Expand Down