prompting-press

A typed, variant-aware prompt-template library. It turns typed inputs and a template into rendered text plus content-addressed provenance — nothing else (no I/O, no LLM calls, no request assembly). Rust, Python, and TypeScript all bind one compiled Rust engine, so rendered output is byte-identical across every language.

This is the Python distribution: a Pydantic-friendly PyO3 binding to that engine. Import name prompting_press; distribution name prompting-press.

Install

pip install prompting-press
uv add prompting-press          # in a uv project
uv pip install prompting-press  # uv's pip interface

Quick start

from prompting_press import Prompt
from pydantic import BaseModel

class Vars(BaseModel):
    company: str
    max_words: int

assistant = Prompt.from_yaml("""
name: assistant
role: system
body: "You are a support assistant for {{ company }}. Keep your replies under {{ max_words }} words."
variables:
  company: { type: string, trusted: true }
  max_words: { type: integer, trusted: true }
""")

result = assistant.render(Vars, data={"company": "Acme Robotics", "max_words": 50})
result.text           # "You are a support assistant for Acme Robotics. Keep your replies under 50 words."
result.template_hash  # 64-char SHA-256 of the template source
result.render_hash    # 64-char SHA-256 of the rendered output

Documentation

Full docs — getting started, API reference, template features, guides, and the CI agreement lint — are at https://prompting-press.github.io/.

License

Apache-2.0.

Project links

Data verified by PyPI on Jul 8, 2026
Data provided by the project maintainers, verified at the time the release was uploaded to PyPI.

Key dates

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  • Released:
Newer release available (0.5.0)

1 maintainer

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Avatar for srobroek from gravatar.com srobroek

Credits

Author: Sjors Robroek

GitHub Statistics

Data verified by PyPI on Jul 8, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License

Apache Software License (Apache-2.0)

Requires

Python >=3.12

Tags

prompt prompting prompt-template prompt-engineering llm genai ai template pydantic typed

Classifiers

Report project as malware

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0.5.0

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0.3.2

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0.3.1

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