krepis

License: MIT Python Typed Tests

krepis (Greek κρηπίς — the foundation course a structure stands on) is a small, typed library of general-purpose Python primitives for building production data and LLM pipelines on AWS.

Install

pip install krepis

What's inside

Module Purpose
logging Structured logging + the flow-doctor secret-seeding chokepoint
secrets SSM-backed secret resolution
alerts Telegram / SNS alert routing with S3-marker dedup (incl. CLI)
telegram Telegram transport
webpush Web Push (VAPID) transport — reaches an installed PWA/site regardless of tab state (webpush extra)
email_sender SES / SMTP email transport
http_retry Bounded-backoff HTTP retry with jitter
locks S3 conditional-PUT writer locks
cost LLM cost telemetry (token counts × price card → USD)
model_metadata ModelMetadata value object (per-invocation model + token cost)
anthropic_payload Anthropic request-payload construction + validation
metrics Typed metric records
trading_calendar NYSE trading-day calendar (pure stdlib)
dates Calendar / trading-day dual-track date helpers
ec2_spot EC2 spot-instance resilience helpers
ssm_dispatcher SSM command dispatch
ssm_log_capture SSM run-command log capture
usage_pacing Linear-pace short-circuit against a rolling reset-window quota

Development

python -m venv .venv && source .venv/bin/activate
pip install -e ".[dev]"

Run the test suite:

python -m pytest -q

A healthy result is all tests passing with coverage ≥ 90%. The CI matrix tests Python 3.9 through 3.13 on every PR and push to main.

License

MIT — see LICENSE and NOTICE. Contributions accepted under the DCO (git commit -s).

Part of the Nous Ergon project.

Project links

Data verified by PyPI on Aug 20, 2026
Data provided by the project maintainers, verified at the time the release was uploaded to PyPI.

Key dates

PyPI data
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  • Released:
Newer release available (0.59.26)

1 maintainer

PyPI data
Data sourced directly from PyPI's database.
Avatar for cipher813 from gravatar.com cipher813

Credits

Author: Brian McMahon

GitHub Statistics

Data verified by PyPI on Aug 20, 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

MIT License (MIT)

Requires

Python >=3.9

Provides Extra

flow-doctor anthropic openai webpush dev

Tags

aws ssm telemetry pipeline alerts trading-calendar

Classifiers

Report project as malware

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