alternative solution for pkg

nikola/nikola.py

@@ -1693,7 +1693,7 @@ def _register_templated_shortcodes(self):
         """
         self.register_shortcode('template', self._template_shortcode_handler)
 
-        builtin_sc_dir = utils.pkg_resources('nikola.data.shortcodes', utils.get_template_engine(self.THEMES))
+        builtin_sc_dir = utils.pkg_resources('nikola', os.path.join('data','shortcodes',utils.get_template_engine(self.THEMES)))
 
         for sc_dir in [builtin_sc_dir, 'shortcodes']:
             if not os.path.isdir(sc_dir):

nikola/plugins/command/init.py

@@ -272,7 +272,7 @@ class CommandInit(Command):
     @classmethod
     def copy_sample_site(cls, target):
         """Copy sample site data to target directory."""
-        src = pkg_resources('nikola.data', 'samplesite')
+        src = pkg_resources('nikola', os.path.join('data', 'samplesite'))
         shutil.copytree(src, target)
 
     @staticmethod

nikola/plugins/command/theme.py

@@ -286,7 +286,7 @@ def list_installed(self):
         print("Installed Themes:")
         print("-----------------")
         themes = []
-        themes_dirs = self.site.themes_dirs + [utils.pkg_resources('nikola.data', 'themes')]
+        themes_dirs = self.site.themes_dirs + [utils.pkg_resources('nikola', os.path.join('data', 'themes'))]
         for tdir in themes_dirs:
             if os.path.isdir(tdir):
                 themes += [(i, os.path.join(tdir, i)) for i in os.listdir(tdir)]

nikola/utils.py

@@ -44,7 +44,7 @@
 from collections import defaultdict, OrderedDict
 from collections.abc import Callable, Iterable
 from html import unescape as html_unescape
-from importlib import resources, reload as _reload
+from importlib import reload as _reload
 from unicodedata import normalize as unicodenormalize
 from urllib.parse import quote as urlquote
 from urllib.parse import unquote as urlunquote
@@ -70,6 +70,11 @@
 from .hierarchy_utils import TreeNode, clone_treenode, flatten_tree_structure, sort_classifications
 from .hierarchy_utils import join_hierarchical_category_path, parse_escaped_hierarchical_category_name
 
+if sys.version_info.minor <= 8:
+    from pkg_resources import resource_filename
+else:
+    from importlib import resources
+
 try:
     import toml
 except ImportError:
@@ -579,8 +584,7 @@ def __repr__(self):
 def pkg_resources(package, resource):
     """Return the resource based on the python version."""
     if sys.version_info.minor <= 8:
-        with resources.path(package, resource) as path:
-            return str(path)
+        return resource_filename(package, resource)
     else:
         return str(resources.files(package).joinpath(resource))
 
@@ -594,7 +598,7 @@ def get_theme_path_real(theme, themes_dirs):
         dir_name = os.path.join(themes_dir, theme)
         if os.path.isdir(dir_name):
             return dir_name
-    dir_name = pkg_resources('nikola.data.themes', theme)
+    dir_name = pkg_resources('nikola', os.path.join('data', 'themes', theme))
     if os.path.isdir(dir_name):
         return dir_name
     raise Exception("Can't find theme '{0}'".format(theme))