fix: remove pkg_resources for python 3.12 compatibility

pkg_resources is available in python 3.12 only if setuptools is explicitly installed, which is not always the case.

cookiecutter-xblock/{{cookiecutter.repo_name}}/{{cookiecutter.package_name}}/{{cookiecutter.package_name}}.py

@@ -1,11 +1,16 @@
 """TO-DO: Write a description of what this XBlock is."""
 
-import pkg_resources
+import os
 from django.utils import translation
 from web_fragments.fragment import Fragment
 from xblock.core import XBlock
 from xblock.fields import Integer, Scope
-from xblock.utils.resources import ResourceLoader
+try:
+    from xblock.utils.resources import ResourceLoader
+except ModuleNotFoundError:
+    from xblockutils.resources import ResourceLoader
+
+resource_loader = ResourceLoader(__name__)
 
 
 class {{cookiecutter.class_name}}(XBlock):
@@ -22,10 +27,12 @@ class {{cookiecutter.class_name}}(XBlock):
         help="A simple counter, to show something happening",
     )
 
-    def resource_string(self, path):
-        """Handy helper for getting resources from our kit."""
-        data = pkg_resources.resource_string(__name__, path)
-        return data.decode("utf8")
+    def get_resource_string(self, path):
+        """
+        Retrieve string contents for the file path
+        """
+        path = os.path.join('static', path)
+        return resource_loader.load_unicode(path)
 
     # TO-DO: change this view to display your data your own way.
     def student_view(self, context=None):
@@ -34,16 +41,16 @@ def student_view(self, context=None):
         """
         if context:
             pass  # TO-DO: do something based on the context.
-        html = self.resource_string("static/html/{{cookiecutter.package_name}}.html")
+        html = self.resource_string("html/{{cookiecutter.package_name}}.html")
         frag = Fragment(html.format(self=self))
-        frag.add_css(self.resource_string("static/css/{{cookiecutter.package_name}}.css"))
+        frag.add_css(self.resource_string("css/{{cookiecutter.package_name}}.css"))
 
         # Add i18n js
         statici18n_js_url = self._get_statici18n_js_url()
         if statici18n_js_url:
             frag.add_javascript_url(self.runtime.local_resource_url(self, statici18n_js_url))
 
-        frag.add_javascript(self.resource_string("static/js/src/{{cookiecutter.package_name}}.js"))
+        frag.add_javascript(self.resource_string("js/src/{{cookiecutter.package_name}}.js"))
         frag.initialize_js('{{cookiecutter.class_name}}')
         return frag
 
@@ -90,13 +97,14 @@ def _get_statici18n_js_url():
         locale_code = translation.get_language()
         if locale_code is None:
             return None
-        text_js = 'public/js/translations/{locale_code}/text.js'
+        text_js = 'static/js/translations/{locale_code}/text.js'
         lang_code = locale_code.split('-')[0]
         for code in (locale_code, lang_code, 'en'):
-            loader = ResourceLoader(__name__)
-            if pkg_resources.resource_exists(
-                    loader.module_name, text_js.format(locale_code=code)):
-                return text_js.format(locale_code=code)
+            import importlib.resources as resources
+
+            text_js_path = text_js.format(locale_code=code)
+            if resources.is_resource(resource_loader.module_name, text_js_path):
+                return text_js_path
         return None
 
     @staticmethod