Resolve media and template files relative to component class dir (#395), thanks @JuroOravec

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Emil Stenström <emil@emilstenstrom.se>

sampleproject/components/calendar/calendar.py

@@ -23,3 +23,27 @@ class Calendar(component.Component):
     class Media:
         css = "calendar/calendar.css"
         js = "calendar/calendar.js"
+
+
+@component.register("calendar_relative")
+class CalendarRelative(component.Component):
+    # Note that Django will look for templates inside `[your apps]/components` dir and
+    # `[project root]/components` dir. To customize which template to use based on context
+    # you can override def get_template_name() instead of specifying the below variable.
+    template_name = "calendar.html"
+
+    # This component takes one parameter, a date string to show in the template
+    def get_context_data(self, date):
+        return {
+            "date": date,
+        }
+
+    def get(self, request, *args, **kwargs):
+        context = {
+            "date": request.GET.get("date", ""),
+        }
+        return self.render_to_response(context)
+
+    class Media:
+        css = "calendar.css"
+        js = "calendar.js"