Merge pull request #4 from pmrv/claude/setuptools-dep-update-2bary2

Drop runtime pkg_resources dependency for setuptools >= 82 compatibility

Author: pmrv

bin/pacemaker

@@ -5,9 +5,16 @@ import getpass  # for getpass.getuser()
 import glob
 import logging
 import os
-import pkg_resources
 import re
 
+try:
+    from importlib.resources import files as _importlib_files
+
+    def _resource_filename(package, resource):
+        return str(_importlib_files(package) / resource)
+except ImportError:  # Python 3.8: importlib.resources.files is not available
+    from pkg_resources import resource_filename as _resource_filename
+
 try:
     import readline
 
@@ -343,7 +350,7 @@ def generate_template_input():
         weighting = None
         print("Use UniformWeightingPolicy")
 
-    template_input_yaml_filename = pkg_resources.resource_filename('pyace.data', 'input_template.yaml')
+    template_input_yaml_filename = _resource_filename('pyace.data', 'input_template.yaml')
     copyfile(template_input_yaml_filename, "input.yaml")
     with open("input.yaml", "r") as f:
         input_yaml_text = f.read()

setup.py

@@ -4,7 +4,6 @@
 import sys
 from pathlib import Path
 import platform
-from distutils.version import LooseVersion
 from setuptools import Extension, setup, find_packages
 from setuptools.command.build_ext import build_ext
 from setuptools.command.install import install

src/pyace/multispecies_basisextension.py

@@ -1,9 +1,16 @@
 import logging
 import numpy as np
 import pickle
-import pkg_resources
 import re
 
+try:
+    from importlib.resources import files as _importlib_files
+
+    def _resource_filename(package, resource):
+        return str(_importlib_files(package) / resource)
+except ImportError:  # Python 3.8: importlib.resources.files is not available
+    from pkg_resources import resource_filename as _resource_filename
+
 from collections import defaultdict
 from copy import deepcopy
 from itertools import combinations, permutations, combinations_with_replacement, product
@@ -44,8 +51,8 @@
     'Rf', 'Db', 'Sg', 'Bh', 'Hs', 'Mt', 'Ds', 'Rg', 'Cn', 'Nh', 'Fl', 'Mc',
     'Lv', 'Ts', 'Og']
 
-default_mus_ns_uni_to_rawlsLS_np_rank_filename = pkg_resources.resource_filename('pyace.data',
-                                                                                 'mus_ns_uni_to_rawlsLS_np_rank.pckl')
+default_mus_ns_uni_to_rawlsLS_np_rank_filename = _resource_filename('pyace.data',
+                                                                    'mus_ns_uni_to_rawlsLS_np_rank.pckl')
 
 def clean_bbasisconfig(initial_bbasisconfig):
     for block in initial_bbasisconfig.funcspecs_blocks: