skpkg: change version build file.

Author: stevenhua0320

src/diffpy/__init__.py

@@ -14,13 +14,3 @@
 # See LICENSE.rst for license information.
 #
 ##############################################################################
-"""diffpy - tools for structure analysis by diffraction.
-
-Blank namespace package for module diffpy."""
-
-
-from pkgutil import extend_path
-
-__path__ = extend_path(__path__, __name__)
-
-# End of file

src/diffpy/pdffit2/__init__.py

@@ -16,24 +16,10 @@
 ##############################################################################
 """PDFfit2 - real space structure refinement program."""
 
-# WARNING: Do NOT remove the isort: off/on comments in this file.
-# These tags are used to prevent isort from reordering imports in this file.
-# __version__ must be initialized before importing C++ extensions.
+# package version
+from diffpy.pdffit2.version import __version__  # noqa
 
-# isort: off
-# Import the package version before C++ extensions are loaded.
-from diffpy.pdffit2.output import redirect_stdout
-from diffpy.pdffit2.version import __date__, __version__
-
-# Import C++ related modules since the __version__ attribute is used.
-from diffpy.pdffit2.pdffit import PdfFit
-from diffpy.pdffit2.pdffit2 import is_element
-
-# isort: on
-
-# Ensure all necessary components are imported and initialized
+# silence the pyflakes syntax checker
 assert __version__ or True
-assert __date__ or True
-assert all((PdfFit, redirect_stdout, is_element))
 
 # End of file

src/diffpy/pdffit2/version.py

@@ -7,59 +7,20 @@
 # File coded by: Billinge Group members and community contributors.
 #
 # See GitHub contributions for a more detailed list of contributors.
-# https://github.com/diffpy/diffpy.pdffit2/graphs/contributors
+# https://github.com/diffpy/diffpy.pdffit2/graphs/contributors  # noqa: E501
 #
 # See LICENSE.rst for license information.
 #
 ##############################################################################
 """Definition of __version__."""
 
-import datetime
-import json
-import urllib.request
-from importlib.metadata import version
-from pathlib import Path
+#  We do not use the other three variables, but can be added back if needed.
+#  __all__ = ["__date__", "__git_commit__", "__timestamp__", "__version__"]
 
+# obtain version information
+from importlib.metadata import PackageNotFoundError, version
 
-def get_pypi_release_date(package_name, timeout=5):
-    package_file = Path(__file__).resolve()
-
-    try:
-        with open(package_file, "r", encoding="utf-8") as f:
-            lines = f.readlines()
-        for line in reversed(lines):
-            if line.startswith("# Release date:"):
-                return line.split(":", 1)[1].strip()
-
-        url = f"https://pypi.org/pypi/{package_name}/json"
-        with urllib.request.urlopen(url, timeout=timeout) as response:
-            data = json.loads(response.read().decode("utf-8"))
-
-        installed_version = version(package_name)
-        release_data = data["releases"].get(installed_version, [])
-        if not release_data:
-            raise ValueError(
-                f"No release data found for version {installed_version}"
-            )
-
-        release_date_str = release_data[-1]["upload_time"]
-        release_date = datetime.datetime.fromisoformat(release_date_str).date()
-
-        with open(package_file, "a", encoding="utf-8") as f:
-            f.write(f"\n# Release date: {release_date}")
-
-    except (ValueError, OSError) as e:
-        print(f"Warning: Could not fetch release date from PyPI: {e}")
-        release_date = datetime.datetime.fromtimestamp(
-            package_file.stat().st_ctime
-        ).isoformat()
-
-    return str(release_date)
-
-
-__version__ = version("diffpy.pdffit2")
-__date__ = get_pypi_release_date("diffpy.pdffit2")
-
-# End of file
-
-# Release date: 2025-02-07
+try:
+    __version__ = version("diffpy.pdffit2")
+except PackageNotFoundError:
+    __version__ = "unknown"