Reorganize plugin resources

netbox/extras/plugins/templates.py

@@ -0,0 +1,65 @@
+from django.template.loader import get_template
+
+__all__ = (
+    'PluginTemplateExtension',
+)
+
+
+class PluginTemplateExtension:
+    """
+    This class is used to register plugin content to be injected into core NetBox templates. It contains methods
+    that are overridden by plugin authors to return template content.
+
+    The `model` attribute on the class defines the which model detail page this class renders content for. It
+    should be set as a string in the form '<app_label>.<model_name>'. render() provides the following context data:
+
+    * object - The object being viewed
+    * request - The current request
+    * settings - Global NetBox settings
+    * config - Plugin-specific configuration parameters
+    """
+    model = None
+
+    def __init__(self, context):
+        self.context = context
+
+    def render(self, template_name, extra_context=None):
+        """
+        Convenience method for rendering the specified Django template using the default context data. An additional
+        context dictionary may be passed as `extra_context`.
+        """
+        if extra_context is None:
+            extra_context = {}
+        elif not isinstance(extra_context, dict):
+            raise TypeError("extra_context must be a dictionary")
+
+        return get_template(template_name).render({**self.context, **extra_context})
+
+    def left_page(self):
+        """
+        Content that will be rendered on the left of the detail page view. Content should be returned as an
+        HTML string. Note that content does not need to be marked as safe because this is automatically handled.
+        """
+        raise NotImplementedError
+
+    def right_page(self):
+        """
+        Content that will be rendered on the right of the detail page view. Content should be returned as an
+        HTML string. Note that content does not need to be marked as safe because this is automatically handled.
+        """
+        raise NotImplementedError
+
+    def full_width_page(self):
+        """
+        Content that will be rendered within the full width of the detail page view. Content should be returned as an
+        HTML string. Note that content does not need to be marked as safe because this is automatically handled.
+        """
+        raise NotImplementedError
+
+    def buttons(self):
+        """
+        Buttons that will be rendered and added to the existing list of buttons on the detail page view. Content
+        should be returned as an HTML string. Note that content does not need to be marked as safe because this is
+        automatically handled.
+        """
+        raise NotImplementedError