{"id":32634904,"url":"https://github.com/galacticdynamics/oncequinox","last_synced_at":"2025-11-02T02:02:03.014Z","repository":{"id":320958098,"uuid":"1083879972","full_name":"GalacticDynamics/oncequinox","owner":"GalacticDynamics","description":"micro-library for making Equinox singletons","archived":false,"fork":false,"pushed_at":"2025-10-27T00:17:24.000Z","size":138,"stargazers_count":1,"open_issues_count":0,"forks_count":1,"subscribers_count":0,"default_branch":"main","last_synced_at":"2025-10-27T01:11:32.593Z","etag":null,"topics":["equinox","jax","singleton","singleton-pattern"],"latest_commit_sha":null,"homepage":"","language":"Python","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/GalacticDynamics.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":".github/CONTRIBUTING.md","funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2025-10-26T22:13:00.000Z","updated_at":"2025-10-27T00:09:13.000Z","dependencies_parsed_at":"2025-10-27T01:11:52.602Z","dependency_job_id":null,"html_url":"https://github.com/GalacticDynamics/oncequinox","commit_stats":null,"previous_names":["galacticdynamics/oncequinox"],"tags_count":1,"template":false,"template_full_name":null,"purl":"pkg:github/GalacticDynamics/oncequinox","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/GalacticDynamics%2Foncequinox","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/GalacticDynamics%2Foncequinox/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/GalacticDynamics%2Foncequinox/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/GalacticDynamics%2Foncequinox/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/GalacticDynamics","download_url":"https://codeload.github.com/GalacticDynamics/oncequinox/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/GalacticDynamics%2Foncequinox/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":282081015,"owners_count":26610730,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-10-31T02:00:07.401Z","response_time":57,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["equinox","jax","singleton","singleton-pattern"],"created_at":"2025-10-31T00:02:23.105Z","updated_at":"2025-11-02T02:02:02.888Z","avatar_url":"https://github.com/GalacticDynamics.png","language":"Python","funding_links":[],"categories":[],"sub_categories":[],"readme":"\u003ch1 align='center'\u003e oncequinox \u003c/h1\u003e\n\u003ch2 align=\"center\"\u003eCreate singleton Equinox modules.\u003c/h2\u003e\n\nThis is a micro-package, containing the single metaclass `SingletonModuleMeta`.\n\u003c/br\u003e `SingletonModuleMeta` can be used to create Equinox modules that are\nsingletons, meaning that only one instance of the module can exist at any given\ntime.\n\n## Installation\n\n[![PyPI platforms][pypi-platforms]][pypi-link]\n[![PyPI version][pypi-version]][pypi-link]\n\n\u003c!-- [![Conda-Forge][conda-badge]][conda-link] --\u003e\n\n```bash\npip install oncequinox\n```\n\n## Documentation\n\n[![Actions Status][actions-badge]][actions-link]\n\n### Basic Usage\n\nCreate a singleton Equinox module:\n\n```python\nimport equinox as eqx\nfrom oncequinox import SingletonModuleMeta\n\n\nclass MySingletonModule(eqx.Module, metaclass=SingletonModuleMeta):\n    value: str = \"this is a singleton module\"\n\n\n# Create the singleton instance\nsingleton1 = MySingletonModule()\n\n# Attempt to create another instance\nsingleton2 = MySingletonModule()\n\nprint(singleton1 is singleton2)  # True\n```\n\n### Singleton Per Class\n\nDifferent classes maintain separate singleton instances:\n\n```python\nimport equinox as eqx\nfrom oncequinox import SingletonModuleMeta\n\n\nclass ConfigA(eqx.Module, metaclass=SingletonModuleMeta):\n    name: str = \"A\"\n\n\nclass ConfigB(eqx.Module, metaclass=SingletonModuleMeta):\n    name: str = \"B\"\n\n\nconfig_a = ConfigA()\nconfig_b = ConfigB()\n\nprint(config_a is config_b)  # False\nprint(config_a.name)  # A\nprint(config_b.name)  # B\n```\n\n### With Initialization Arguments\n\nArguments are only used for the first instantiation:\n\n```python\nimport equinox as eqx\nfrom oncequinox import SingletonModuleMeta\n\n\nclass HasValue(eqx.Module, metaclass=SingletonModuleMeta):\n    value: int\n\n    def __init__(self, value: int):\n        self.value = value\n\n\nv1 = HasValue(10)\nprint(v1.value)  # 10\n\n# Subsequent calls ignore arguments and return existing instance\nv2 = HasValue(20)\nprint(v2.value)  # 10\nprint(v1 is v2)  # True\n```\n\n\u003c!-- SPHINX-START --\u003e\n\n\u003c!-- prettier-ignore-start --\u003e\n[actions-badge]:            https://github.com/GalacticDynamics/oncequinox/workflows/CI/badge.svg\n[actions-link]:             https://github.com/GalacticDynamics/oncequinox/actions\n[pypi-link]:                https://pypi.org/project/oncequinox/\n[pypi-platforms]:           https://img.shields.io/pypi/pyversions/oncequinox\n[pypi-version]:             https://img.shields.io/pypi/v/oncequinox\n\n\u003c!-- prettier-ignore-end --\u003e\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fgalacticdynamics%2Foncequinox","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fgalacticdynamics%2Foncequinox","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fgalacticdynamics%2Foncequinox/lists"}