[cocopp] Remove pkg_resouces dependency

Instead of using pkg_resources to get the version number and package
path, import cocopp._version for the version and use importlib.resources
for the package path.

code-postprocessing/cocopp/bestalg.py

@@ -27,7 +27,6 @@
 import warnings
 import numpy as np
 import tarfile
-import pkg_resources
 from six import advance_iterator
 
 from . import readalign, pproc
@@ -548,6 +547,7 @@ def custom_generate(args=algs2009, algId='bestCustomAlg', suite=None):
 
 
 def create_data_files(output_dir, result, suite):
+    from ._version import __version__ as coco_version
 
     if not suite:
         suite = result[list(result.keys())[0]].suite_name
@@ -626,7 +626,7 @@ def create_data_files(output_dir, result, suite):
             comment = 'Combination of ' + ', '.join(algorithms_used)
         else:
             comment = value.comment
-        comment += '; coco_version: ' + pkg_resources.require('cocopp')[0].version
+        comment += '; coco_version: ' + coco_version
 
         info_lines.insert(1, "%% %s; instance_numbers: %s" % (comment, instances_list))
 

code-postprocessing/cocopp/toolsdivers.py

@@ -4,16 +4,13 @@
 """Various tools. 
 
 """
-from __future__ import absolute_import, print_function
-
 import os, time, warnings
 import tempfile, shutil
 from collections import OrderedDict as _OrderedDict
 import re as _re
 import numpy as np
 from matplotlib import pyplot as plt
 from subprocess import CalledProcessError, STDOUT
-import pkg_resources
 
 from . import genericsettings, testbedsettings
 
@@ -586,7 +583,7 @@ def get_version_label(algorithmID=None):
         the string. If more than one reference value is present in the data,
         the string displays also a warning.
     """
-    coco_version = pkg_resources.require('cocopp')[0].version
+    from ._version import __version__ as coco_version
     reference_values = testbedsettings.get_reference_values(algorithmID)
 
     if reference_values and type(reference_values) is set:        
@@ -600,7 +597,10 @@ def get_version_label(algorithmID=None):
 
 
 def path_in_package(sub_path=""):
+    from importlib import resources as res
     """return the absolute path prepended to `subpath` in this module.
     """
-    egg_info = pkg_resources.require('cocopp')[0]
-    return os.path.join(egg_info.location, egg_info.project_name, sub_path)
+
+    package_root_directory = res.files("cocopp")
+    path = package_root_directory / sub_path
+    return str(path)

code-postprocessing/pyproject.toml

@@ -34,7 +34,6 @@ classifiers = [
 dependencies = [
   "matplotlib >=3.5.0",
   "numpy >=1.21.0",
-  "setuptools >=61.0", # For pkg_resources
   "platformdirs >=3.8.1",
 ]
 dynamic = ["version"]