homepage_context_eg.py

from django.db import models

from wagtail.core.models import Page
from wagtail.admin.edit_handlers import FieldPanel


class HomePage(Page):
    publication_date = models.DateTimeField(null=True, blank=True)
    updated_date = models.DateTimeField("Modified date", blank=True, null=True)

    content_panels = Page.content_panels + [
        FieldPanel("publication_date"),
        FieldPanel("updated_date"),
    ]

    def get_context(self, request, *args, **kwargs):
        context = super().get_context(request, *args, **kwargs)

        my_info = {
            "username": request.user.username,
            "page_title": self.title,
            "fbi_agent": "Fox Mulder",
        }

        context.update(my_info=my_info)

        return context