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Reverse()

As explained in Django in Action

reverse() is Django's URL-reversing function that resolves a named URL pattern into its URL string.

reverse() turns a named Django URL pattern into its URL string. Instead of hardcoding an Admin address, look up the route by name; this keeps links aligned with Django’s registered URL configuration. section 5.3

Django Admin listing pages use names such as admin:bands_band_changelist, formed from the application and model names. Call reverse() with that name, then append a query string when the destination should show a filtered subset. section 5.3

Linking a musician to related bands

A MusicianAdmin.show_bands callable can gather related bands, build ?id__in= with their IDs, and resolve the Band listing URL: url = reverse("admin:bands_band_changelist") + parm. Returning format_html('<a href="{}">Band{}</a>', url, plural) produces a safe clickable link; musicians without bands display None. section 5.3

How Django in Action covers it

How deep it goes
Explains named-route lookup and query-string appending, but does not descend into URL resolver internals.
Examples
Demonstrates a MusicianAdmin column linking to filtered Band listings through related band IDs.
What it assumes
Assumes familiarity with Django Admin listing pages, named routes, and basic Python callables.
What you can do after
Apply reverse() via django.urls to generate named Admin URLs and combine them with listing filters.
How it connects
Connects named URL patterns, Django Admin, query parameters, templates, and safe HTML rendering.
Cover of Django in Action
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Related concepts

This explainer was generated by Manning's knowledge graph from the text of Django in Action. The section links point to the parts of the book it draws on.