codex-services 0.1.3

Reusable business logic engines for Codex platform (CRM, finance, HR, inventory)

codex-services

Pure-Python business logic engines for booking, scheduling, and CRM workflows. No ORM, no framework dependencies — drop into any Python project or use as a building block inside the Codex ecosystem.

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Install

pip install codex-services

# With holiday calendar support
pip install "codex-services[calendar]"

Requires Python 3.12 or newer.

Development

uv sync --extra dev
uv run pytest
uv run mypy src/
uv run pre-commit run --all-files
uv build --no-sources

Quick Start

from codex_services.booking.slot_master import find_slots, BookingEngineRequest, ServiceRequest, BookingMode
from datetime import date

request = BookingEngineRequest(
    service_requests=[
        ServiceRequest(service_id="haircut", duration_minutes=60, possible_master_ids=["m1", "m2"]),
    ],
    booking_date=date.today(),
    mode=BookingMode.SINGLE_DAY,
)

result = find_slots(request, masters_availability=[...])
if result.has_solutions:
    print(result.best.starts_at)

Modules

Module	Extra	Description
codex_services.booking.slot_master	—	Recursive chain-finder for multi-service bookings with scoring and waitlist
codex_services.booking._shared	—	Low-level slot arithmetic — windows, gaps, busy interval merging
codex_services.calendar	[calendar]	Calendar grid generator for UI rendering with holiday awareness

Documentation

Full docs with architecture, API reference, and data flow diagrams:

https://codexdlc.github.io/codex-services/

Part of the Codex ecosystem

Package	Role
codex-core	Foundation — immutable DTOs, PII masking, env settings
codex-platform	Infrastructure — Redis, Streams, ARQ workers, Notifications
codex-ai	LLM layer — unified async interface for OpenAI, Gemini, Anthropic
codex-services	Business logic — Booking engine, CRM, Calendar

Each library is fully standalone — install only what your project needs. Together they form the backbone of codex-bot (Telegram AI-agent infrastructure built on aiogram) and codex-django (Django integration layer).