From caf9af873327eea634ee253ffec3728cb4b04827 Mon Sep 17 00:00:00 2001
From: Kurt McKee <contactme@kurtmckee.org>
Date: Mon, 26 Jan 2026 09:38:26 -0600
Subject: [PATCH] Remove `noxfile.py` and references to `nox`

In addition, an adjacent line referencing pre-commit is removed,
since the repo has no `.pre-commit-config.yaml` file.
---
 .github/copilot-instructions.md |  25 +------
 noxfile.py                      | 117 --------------------------------
 pyproject.toml                  |   1 -
 3 files changed, 1 insertion(+), 142 deletions(-)
 delete mode 100644 noxfile.py

diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index 125812717..4855c5fbf 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -28,7 +28,7 @@ python -m pip install wxpython matplotlib pyopengl
 python -m pip install pillow h5py imageio requests gitpython pybaselines
 
 # For testing and development
-python -m pip install pytest nox
+python -m pip install pytest
 ```
 
 ### Run Tests
@@ -45,9 +45,6 @@ python -m pytest tests/ -v
 
 # Run specific test modules that work offline
 python -m pytest tests/test_lattice.py tests/test_nistlat.py tests/test_elm.py -v
-
-# Using nox for testing workflow
-python -m nox -s tests
 ```
 
 ### Validation Scenarios
@@ -120,26 +117,6 @@ python -m GSASII
 
 ## Development Workflow
 
-### Linting and Code Quality
-```bash
-# Using nox (recommended)
-python -m nox -s lint      # Pre-commit hooks and formatting
-python -m nox -s pylint    # Static code analysis
-
-# Manual linting
-python -m pip install pre-commit
-pre-commit run --all-files
-```
-
-### Documentation
-```bash
-# Build documentation  
-python -m nox -s docs
-
-# Build and serve docs locally
-python -m nox -s docs -- --serve
-```
-
 ### Common Development Tasks
 Always validate changes by running:
 1. Build the package: `python -m build -wnx --no-isolation` 
diff --git a/noxfile.py b/noxfile.py
deleted file mode 100644
index 9f81103b3..000000000
--- a/noxfile.py
+++ /dev/null
@@ -1,117 +0,0 @@
-from __future__ import annotations
-
-import argparse
-import shutil
-from pathlib import Path
-
-import nox
-
-DIR = Path(__file__).parent.resolve()
-
-nox.options.sessions = ["lint", "pylint", "tests"]
-
-
-@nox.session
-def lint(session: nox.Session) -> None:
-    """
-    Run the linter.
-    """
-    session.install("pre-commit")
-    session.run(
-        "pre-commit", "run", "--all-files", "--show-diff-on-failure", *session.posargs
-    )
-
-
-@nox.session
-def pylint(session: nox.Session) -> None:
-    """
-    Run PyLint.
-    """
-    # This needs to be installed into the package environment, and is slower
-    # than a pre-commit check
-    session.install(".", "pylint")
-    session.run("pylint", "gsas_ii", *session.posargs)
-
-
-@nox.session
-def tests(session: nox.Session) -> None:
-    """
-    Run the unit and regular tests.
-    """
-    session.install(".[test]")
-    session.run("pytest", *session.posargs)
-
-
-@nox.session(reuse_venv=True)
-def docs(session: nox.Session) -> None:
-    """
-    Build the docs. Pass "--serve" to serve. Pass "-b linkcheck" to check links.
-    """
-
-    parser = argparse.ArgumentParser()
-    parser.add_argument("--serve", action="store_true", help="Serve after building")
-    parser.add_argument(
-        "-b", dest="builder", default="html", help="Build target (default: html)"
-    )
-    args, posargs = parser.parse_known_args(session.posargs)
-
-    if args.builder != "html" and args.serve:
-        session.error("Must not specify non-HTML builder with --serve")
-
-    extra_installs = ["sphinx-autobuild"] if args.serve else []
-
-    session.install("-e.[docs]", *extra_installs)
-    session.chdir("docs")
-
-    if args.builder == "linkcheck":
-        session.run(
-            "sphinx-build", "-b", "linkcheck", ".", "_build/linkcheck", *posargs
-        )
-        return
-
-    shared_args = (
-        "-n",  # nitpicky mode
-        "-T",  # full tracebacks
-        f"-b={args.builder}",
-        ".",
-        f"_build/{args.builder}",
-        *posargs,
-    )
-
-    if args.serve:
-        session.run("sphinx-autobuild", *shared_args)
-    else:
-        session.run("sphinx-build", "--keep-going", *shared_args)
-
-
-@nox.session
-def build_api_docs(session: nox.Session) -> None:
-    """
-    Build (regenerate) API docs.
-    """
-
-    session.install("sphinx")
-    session.chdir("docs")
-    session.run(
-        "sphinx-apidoc",
-        "-o",
-        "api/",
-        "--module-first",
-        "--no-toc",
-        "--force",
-        "../src/gsas_ii",
-    )
-
-
-@nox.session
-def build(session: nox.Session) -> None:
-    """
-    Build an SDist and wheel.
-    """
-
-    build_path = DIR.joinpath("build")
-    if build_path.exists():
-        shutil.rmtree(build_path)
-
-    session.install("build")
-    session.run("python", "-m", "build")
diff --git a/pyproject.toml b/pyproject.toml
index ed1fc0d05..e345291c9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -194,7 +194,6 @@ unfixable = [
 
 [tool.ruff.lint.per-file-ignores]
 "tests/**" = ["T20"]
-"noxfile.py" = ["T20"]
 
 
 [tool.pylint]