stapel-listings

Listings and catalog vertical: a Listing core (owner, opaque category, typed attribute values, price + price_base, inventory) with a draft/publish lifecycle, an independent moderation status, a value-validation pipeline delegated to stapel-attributes against a category schema fetched over comm, a publish service, and first-class favorites.

Part of the Stapel framework — composable Django apps that deploy as a monolith or as microservices without changing module code.

Install

pip install stapel-listings

At a glance

Fact	Value
Version	`0.3.8`
Python	`>=3.11` (3.11, 3.12, 3.13, 3.14)
Django	`djangorestframework>=3.14`
HTTP operations	16
Config axes	2
Usage surface	7
Extension points	4
Fleet dependencies	`stapel-attributes` · `stapel-categories` (optional) · `stapel-core`

Documentation

capabilities.json · llms.txt (for agents)

What this is

Listing is the marketplace core: an owner, an opaque category, typed attribute values, a two-machine lifecycle + moderation status, a publish pipeline, and first-class favorites. It consumes stapel-categories (feature schema, over comm) and stapel-attributes (value validation), and stays decoupled from search, moderation and currencies (see the boundaries below).

Quick start

INSTALLED_APPS = [
    # ...
    "stapel_listings",
]

# urls.py
path("listings/", include("stapel_listings.urls"))

Requires a categories.features comm Function provider (stapel-categories) for value validation against a category's schema.

Settings

All configuration lives in the STAPEL_LISTINGS namespace (dict setting, flat setting, or env var — resolved lazily). Full table with seam semantics in MODULE.md.

Key	Default	Meaning
`CATEGORY_FEATURES_FUNCTION`	`"categories.features"`	comm Function resolving a category's feature schema.
`PRICE_BASE_CONVERTER`	identity	Dotted-path `(amount, currency, base) -> Decimal`.
`AUTO_APPROVE_ON_PUBLISH`	`False`	Publish immediately when no moderation module is installed.
`REQUIRE_IMAGE_ON_PUBLISH`	`True`	Require ≥1 image to publish.
`DEFAULT_LISTING_TTL_DAYS`	`30`	Days until a published listing expires.

comm surface

Emits (Actions): listing.submitted (moderation boundary), listing.published / listing.updated / listing.removed (search boundary). Consumes: category.changed, moderation.completed, user.deleted. Provides Function: listings.status. Calls: categories.features.

Boundaries: search/filtering is a separate stapel-search module fed by the listing.* events (this module builds features_search but exposes no search endpoints); moderation is a separate stapel-moderation module (this module emits listing.submitted and applies moderation.completed, it runs no moderation pipeline).

Extension points

See MODULE.md — the agent-facing map of every fork-free seam (settings, serializer seams, comm surface, GDPR provider).

Development

pip install -e . && pip install pytest pytest-django ruff
./setup-hooks.sh
pytest tests/

License

MIT — see LICENSE.

_{This page is assembled by stapel-readme from docs/readme.md plus the contract artifacts in docs/. Edit the prose in docs/readme.md; the badges, facts and links above and below it are generated — do not hand-edit README.md.}

Development Status
- 4 - Beta
Framework
- Django
Intended Audience
- Developers
License
- OSI Approved :: MIT License
Operating System
- OS Independent
Programming Language
Typing
- Typed

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