Custom Iterators

What it covers

• Parameterizing Iterators
• Validation
• Class-Based Iterators
• Unstored Columns

What it uses

Install

terminal

$pip install pixeltable

Pixeltable calls

pxt.create_table()pxt.create_view()pxt.iterator()insert()

A look at the code

t = pxt.create_table('iterators_demo/images', {'image': pxt.Image})
images = [
    'https://raw.githubusercontent.com/pixeltable/pixeltable/release/docs/resources/images/000000000108.jpg',
    'https://raw.githubusercontent.com/pixeltable/pixeltable/release/docs/resources/images/000000000632.jpg',
]
t.insert({'image': image} for image in images)
t.head()

One cell of the notebook, copied as it is. Open it in Colab for the rest.

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  Transform a single document, video, image, or audio file into multiple rows for granular processing.

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  Because typical use cases involve datasets that span multiple time zones, Pixeltable strives to be precise in how it handles time zone arithmetic for datetimes.

  Updated Jan 24, 2026Open in Colab

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  Every multimodal AI app needs the same five things: store media, run models, index embeddings, serve endpoints, version everything.

  Updated Oct 30, 2026Open in Colab

• Configure API keys for AI services

  Set up API credentials for OpenAI, Anthropic, and other AI providers so Pixeltable can access them.

  Updated Apr 10, 2026Open in Colab