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Chunk large querysetsinto small chunks, and iterate over them without killing your RAM.

Project description

Chunk large querysetsinto small chunks, and iterate over them without killing your RAM.

https://travis-ci.org/novafloss/django-chunkator.svg

Usage:

from chunkator import chunkator
for item in chunkator(LargeModel.objects.all(), 200):
    do_something(item)

This tool is intended to work on Django querysets. Your model must define a pk field (this is done by default, but sometimes it can be overridden) and this pk has to be unique. django-chunkator has been tested with Postgresql and SQLite, using regular PKs and UUIDs as primary keys.

You can also use values():

from chunkator import chunkator
for item in chunkator(LargeModel.objects.values('pk', 'name'), 200):
    do_something(item)

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