Spec-based composable framework for building type-safe systems
Project description
krons
Spec-based composable framework for building type-safe systems.
Installation
pip install krons
Features
- Spec/Operable: Type-safe field definitions with validation, defaults, and DB metadata
- Node: Polymorphic content containers with DB serialization
- Services: Unified service interfaces (iModel) with hooks and rate limiting
- Enforcement: Policy evaluation and action handlers with typed I/O
- Protocols: Runtime-checkable protocols with
@implementsdecorator
Quick Start
from krons.specs import Spec, Operable
# Define specs
name_spec = Spec(str, name="name")
count_spec = Spec(int, name="count", default=0, ge=0)
# Compose into structure
operable = Operable([name_spec, count_spec])
MyModel = operable.compose_structure("MyModel")
Requirements
- Python 3.11+
- pydantic 2.x
- anyio
- httpx
- orjson
License
Apache-2.0
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