django-querysetsequence adds helpers for treating multiple disparate QuerySet obejcts as a single QuerySet. This is useful for passing into APIs that only accepted a single QuerySet.
The QuerySetSequence wrapper is used to combine multiple QuerySet instances.
Overview
QuerySetSequence aims to provide the same behavior as Django’s QuerySets, but applied across multiple QuerySet instances.
Supported features:
Methods that take a list of fields (e.g. filter(), exclude(), get(), order_by()) must use fields that are common across all sub-QuerySets.
Relationships across related models work (e.g. 'foo__bar', 'foo', or 'foo_id'). syntax).
The sub-QuerySets are evaluated as late as possible (e.g. during iteration, slicing, pickling, repr()/len()/list()/bool() calls).
Public QuerySet API methods that are untested/unimplemented raise NotImplementedError.
Getting Started
Install the package using pip.
pip install --upgrade django-querysetsequenceBasic Usage
# Import QuerySetSequence
from queryset_sequence import QuerySetSequence
# Create QuerySets you want to chain.
from .models import SomeModel, OtherModel
# Chain them together.
query = QuerySetSequence(SomeModel.objects.all(), OtherModel.objects.all())
# Use query as if it were a QuerySet! E.g. in a ListView.Project Information
django-querysetsequence is released under the ISC license, its documentation lives on Read the Docs, the code on GitHub, and the latest release on PyPI. It supports Python 3.9+, Django 4.2/5.1/5.2, and is optionally compatible with Django REST Framework 3.11+.
Some ways that you can contribute:
Check for open issues or open a fresh issue to start a discussion around a feature idea or a bug.
Fork the repository on GitHub to start making your changes.
Write a test which shows that the bug was fixed or that the feature works as expected.
Send a pull request and bug the maintainer until it gets merged and published.
Release files for django-querysetsequence 0.18
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| django_querysetsequence-0.18.tar.gz | 30.4 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| django_querysetsequence-0.18-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 46.7 kB
Release files / django_querysetsequence-0.18.tar.gz
| Download URL | django_querysetsequence-0.18.tar.gz |
|---|---|
| Size | 30.4 kB |
| Tags | Source |
|
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| Download URL | django_querysetsequence-0.18-py3-none-any.whl |
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| Size | 16.3 kB |
| Tags | Python 3 |
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