PyContracts is a Python package that allows to declare constraints on function parameters and return values. Contracts can be specified using Python3 annotations, or inside a docstring. PyContracts supports a basic type system, variables binding, arithmetic constraints, and has several specialized contracts and an extension API.
☆416Dec 2, 2025Updated 6 months ago
Alternatives and similar repositories for contracts
Users that are interested in contracts are comparing it to the libraries listed below. We may earn a commission when you buy through links labeled 'Ad' on this page.
Sorting:
- Design-by-contract in Python3 with informative violation messages and inheritance☆406Jan 29, 2026Updated 4 months ago
- An implementation of contracts for Python.☆351Aug 30, 2019Updated 6 years ago
- The property-based testing library for Python☆8,671Updated this week
- Persistent/Immutable/Functional data structures for Python☆2,184Jan 31, 2026Updated 4 months ago
- Python 3.5+ runtime type checking for integration testing and data validation☆551Jun 2, 2024Updated 2 years ago
- Proton VPN Special Offer - Get 70% off • AdSpecial partner offer. Trusted by over 100 million users worldwide. Tested, Approved and Recommended by Experts.
- Typing-toolbox for Python 3 _and_ 2.7 w.r.t. PEP 484.☆203Apr 29, 2023Updated 3 years ago
- Natural language hashing library.☆10Nov 24, 2014Updated 11 years ago
- Easy going emails with Python for easy going people, who email☆14Jan 13, 2025Updated last year
- A functional standard library for Python.☆5,146Jan 1, 2026Updated 5 months ago
- For Python3, e.g. @typecheck add_count(count: int, when: any(datetime, timedelta) = datetime.now)☆168Sep 1, 2021Updated 4 years ago
- Run-time type checker for Python☆1,763May 23, 2026Updated 2 weeks ago
- Cython implementation of Toolz: High performance functional utilities☆1,110Dec 1, 2025Updated 6 months ago
- Good Curio!☆4,128Dec 21, 2025Updated 5 months ago
- 🔩 Like builtins, but boltons. 250+ constructs, recipes, and snippets which extend (and rely on nothing but) the Python standard library.…☆6,891Mar 6, 2026Updated 3 months ago
- Managed hosting for WordPress and PHP on Cloudways • AdManaged hosting for WordPress, Magento, Laravel, or PHP apps, on multiple cloud providers. Deploy in minutes on Cloudways by DigitalOcean.
- Canonical JSON☆30May 6, 2026Updated last month
- A Python library that generates static type annotations by collecting runtime types☆4,996Feb 11, 2026Updated 3 months ago
- small wiki engine based on static reST files and git for versionning☆25Oct 26, 2015Updated 10 years ago
- 🤝 Design by contract for Python. Write bug-free code. Add a few decorators, get static analysis and tests for free.☆895Nov 30, 2025Updated 6 months ago
- Simple, elegant, Pythonic functional programming.☆4,338Feb 16, 2026Updated 3 months ago
- A pythonic wrapper over `atd` to schedule deletion of files/directories.☆53Aug 6, 2017Updated 8 years ago
- A python lens library for manipulating deeply nested immutable structures☆337Nov 15, 2023Updated 2 years ago
- asyncio (PEP 3156) nsq (message queue) client.☆16Aug 10, 2018Updated 7 years ago
- Functional-style recursive pattern matching in Python. Crazy stuff.☆29May 23, 2016Updated 10 years ago
- Wordpress hosting with auto-scaling - Free Trial Offer • AdFully Managed hosting for WordPress and WooCommerce businesses that need reliable, auto-scalable performance. Cloudways SafeUpdates now available.
- Pick a license, any license.☆13Feb 7, 2016Updated 10 years ago
- pattern matching for python☆25May 12, 2009Updated 17 years ago
- A lightweight library for converting complex objects to and from simple Python datatypes.☆7,240Updated this week
- Proxies and wrappers for ordinary Python objects☆21Jul 24, 2015Updated 10 years ago
- Bottom-up approach to refactoring in python☆725Jan 29, 2022Updated 4 years ago
- Python Classes Without Boilerplate☆5,797Updated this week
- Functional programming in Python: implementation of missing features to enjoy FP☆3,373Aug 30, 2022Updated 3 years ago
- Multiple dispatch☆843Dec 5, 2024Updated last year
- Auto-generate PEP-484 annotations☆1,445Apr 22, 2026Updated last month
- Serverless GPU API endpoints on Runpod - Get Bonus Credits • AdSkip the infrastructure headaches. Auto-scaling, pay-as-you-go, no-ops approach lets you focus on innovating your application.
- Easy anonymous functions by partial application of operators☆104Dec 14, 2023Updated 2 years ago
- A fancy and practical functional tools☆3,504Apr 19, 2026Updated last month
- Collection of library stubs for Python, with static types☆5,070Updated this week
- Schema validation just got Pythonic☆2,944Mar 4, 2026Updated 3 months ago
- Macros in Python: quasiquotes, case classes, LINQ and more!☆3,307Jun 10, 2023Updated 2 years ago
- Inspects Python source files and provides information about type and location of classes, methods etc☆2,083Jun 1, 2026Updated last week
- Lazy strings for Python☆61Jan 7, 2016Updated 10 years ago