- added function to check and log missing plugin dependencies

NEMO/plugins/utils.py

@@ -2,7 +2,8 @@
 from logging import getLogger
 from typing import List, Optional, Tuple, Union
 
-from django.core.exceptions import FieldDoesNotExist
+from django.conf import settings
+from django.core.exceptions import FieldDoesNotExist, ImproperlyConfigured
 from django.db.models import Field
 from django.http import HttpResponse
 from django.shortcuts import render
@@ -20,6 +21,29 @@ def render_combine_responses(request, original_response: HttpResponse, template_
     return original_response
 
 
+def check_extra_dependencies(app_name, extra_names: List[str]):
+    """
+    Checks if the extra dependencies for a given app are satisfied. If not, it either
+    raises an error or logs a warning depending on the application settings.
+
+    Parameters:
+        app_name (str): Name of the application for which dependencies are validated.
+        extra_names (List[str]): List of extra dependency group names to be checked.
+
+    Raises:
+        ImproperlyConfigured: If the required dependencies are not satisfied and the
+            dependency check setting is enabled.
+
+    """
+    requirements = get_extra_requires(app_name, extra_names)
+    if not is_any_requirement_satisfied(requirements):
+        message = f"{app_name} requires one of following dependencies: {' or '.join(str(requirement) for requirement in requirements)}"
+        if not settings.DEBUG and getattr(settings, "PLUGIN_DEPENDENCY_CHECK", True):
+            raise ImproperlyConfigured(message)
+        else:
+            utils_logger.warning(message)
+
+
 # Checks that at least one requirement in the list is satisfied and returns the first one
 def is_any_requirement_satisfied(
     requirements: List[Union[Requirement, str]], prereleases=False
@@ -45,14 +69,15 @@ def check_version_satisfies(installed_version, requirement, prereleases=False) -
     return True
 
 
-def get_extra_requires(app_name, extra_name: str) -> List[Requirement]:
+def get_extra_requires(app_name, extra_names: List[str]) -> List[Requirement]:
     requirements: List[Requirement] = []
     distribution = importlib.metadata.distribution(app_name)
     requires = distribution.requires or []
     for req in requires:
         requirement = Requirement(req)
-        if requirement.marker and requirement.marker.evaluate({"extra": extra_name}):
-            requirements.append(requirement)
+        for extra_name in extra_names:
+            if requirement.marker and requirement.marker.evaluate({"extra": extra_name}):
+                requirements.append(requirement)
     return requirements