skpkg: add conftest.py, add cli utility from skpkg

Author: zmx27

pyproject.toml

@@ -49,7 +49,7 @@ exclude = []  # exclude packages matching these glob patterns (empty by default)
 namespaces = false  # to disable scanning PEP 420 namespaces (true by default)
 
 [project.scripts]
-diffpy-distanceprinter = "diffpy.distanceprinter:main"
+diffpy-distanceprinter = "diffpy.distanceprinter.distanceprinter_app:main"
 
 [tool.setuptools.dynamic]
 dependencies = {file = ["requirements/pip.txt"]}

src/diffpy/distanceprinter/distanceprinter_app.py

@@ -0,0 +1,33 @@
+import argparse
+
+from diffpy.distanceprinter.version import __version__  # noqa
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        prog="diffpy.distanceprinter",
+        description=(
+            "Distance Printer, calculate the inter atomic distances. Part of xPDFsuite.\n\n"
+            "For more information, visit: "
+            "https://github.com/diffpy/diffpy.distanceprinter/"
+        ),
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+    )
+
+    parser.add_argument(
+        "--version",
+        action="store_true",
+        help="Show the program's version number and exit",
+    )
+
+    args = parser.parse_args()
+
+    if args.version:
+        print(f"diffpy.distanceprinter {__version__}")
+    else:
+        # Default behavior when no arguments are given
+        parser.print_help()
+
+
+if __name__ == "__main__":
+    main()

tests/conftest.py

@@ -0,0 +1,19 @@
+import json
+from pathlib import Path
+
+import pytest
+
+
+@pytest.fixture
+def user_filesystem(tmp_path):
+    base_dir = Path(tmp_path)
+    home_dir = base_dir / "home_dir"
+    home_dir.mkdir(parents=True, exist_ok=True)
+    cwd_dir = base_dir / "cwd_dir"
+    cwd_dir.mkdir(parents=True, exist_ok=True)
+
+    home_config_data = {"username": "home_username", "email": "home@email.com"}
+    with open(home_dir / "diffpyconfig.json", "w") as f:
+        json.dump(home_config_data, f)
+
+    yield tmp_path