fix: Test another approach with excluding at project level

rope/base/project.py

@@ -224,9 +224,22 @@ def __init__(
         super().__init__(fscommands)
         self.ignored = _ResourceMatcher()
         self.file_list = _FileListCacher(self)
+
+        extra_ignores = [
+            p.pathlib.relative_to(self.root.pathlib)
+            for p in self.get_python_path_folders()
+            if p.pathlib.is_relative_to(self.root.pathlib)
+            and "site-packages" in p.pathlib.parts
+        ]
+        for p in extra_ignores:
+            # I'm using this approach, because self.prefs.add after _init_prefs
+            # does not work for some reason.
+            prefs["ignored_resources"].append(str(p))
+
         self._init_prefs(prefs)
         if ropefolder is not None:
             self.prefs.add("ignored_resources", ropefolder)
+
         self._init_source_folders()
 
     def __repr__(self):
@@ -281,7 +294,7 @@ def _init_other_parts(self):
         # Forcing the creation of `self.pycore` to register observers
         self.pycore  # pylint: disable=pointless-statement
 
-    def is_ignored(self, resource):
+    def is_ignored(self, resource: Resource):
         return self.ignored.does_match(resource)
 
     def sync(self):

rope/base/resources.py

@@ -256,7 +256,7 @@ def _add_pattern(self, pattern):
         re_pattern = "^(.*/)?" + re_pattern + "(/.*)?$"
         self.compiled_patterns.append(re.compile(re_pattern))
 
-    def does_match(self, resource):
+    def does_match(self, resource: Resource):
         for pattern in self.compiled_patterns:
             if pattern.match(resource.path):
                 return True

rope/contrib/autoimport/sqlite.py

@@ -369,10 +369,7 @@ def generate_cache(
         project are cached.
         """
         if resources is None:
-            resources = [
-                f for f in self.project.get_python_files()
-                if "site-packages" not in f.pathlib.parts
-            ]
+            resources = self.project.get_python_files()
         job_set = task_handle.create_jobset(
             "Generating autoimport cache", len(resources)
         )