{"id":21646875,"url":"https://github.com/cylc/cylc-flow","last_synced_at":"2025-05-15T14:06:34.626Z","repository":{"id":1536930,"uuid":"1836229","full_name":"cylc/cylc-flow","owner":"cylc","description":"Cylc: a general purpose workflow engine with a gift for cycling","archived":false,"fork":false,"pushed_at":"2025-05-12T22:10:27.000Z","size":130667,"stargazers_count":343,"open_issues_count":518,"forks_count":94,"subscribers_count":14,"default_branch":"master","last_synced_at":"2025-05-12T23:23:23.676Z","etag":null,"topics":["cycling-workflows","cylc","hacktoberfest","job-scheduler","metascheduler","python","scheduler","scheduling","workflow","workflow-automation","workflow-engine","workflow-management"],"latest_commit_sha":null,"homepage":"https://cylc.github.io","language":"Python","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"gpl-3.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/cylc.png","metadata":{"files":{"readme":"README.md","changelog":"CHANGES.md","contributing":"CONTRIBUTING.md","funding":null,"license":"COPYING","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":"SECURITY.md","support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null}},"created_at":"2011-06-02T08:31:49.000Z","updated_at":"2025-05-12T22:10:31.000Z","dependencies_parsed_at":"2023-12-20T12:47:33.560Z","dependency_job_id":"779a89c3-03c0-4eab-9380-6d10add2fa42","html_url":"https://github.com/cylc/cylc-flow","commit_stats":{"total_commits":14192,"total_committers":43,"mean_commits":"330.04651162790697","dds":"0.43897970687711385","last_synced_commit":"8606f93ea8c8260fee19fa2dac14da9245999c20"},"previous_names":["cylc/cylc"],"tags_count":270,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cylc%2Fcylc-flow","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cylc%2Fcylc-flow/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cylc%2Fcylc-flow/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cylc%2Fcylc-flow/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/cylc","download_url":"https://codeload.github.com/cylc/cylc-flow/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":254355335,"owners_count":22057354,"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","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":["cycling-workflows","cylc","hacktoberfest","job-scheduler","metascheduler","python","scheduler","scheduling","workflow","workflow-automation","workflow-engine","workflow-management"],"created_at":"2024-11-25T06:47:14.436Z","updated_at":"2025-05-15T14:06:29.610Z","avatar_url":"https://github.com/cylc.png","language":"Python","readme":"\u003cdiv\n  align=\"center\"\n\u003e\n\u003cimg\n  src=\"https://raw.githubusercontent.com/cylc/cylc-admin/master/docs/img/cylc-logo.svg\"\n  width=\"50%\"\n/\u003e\n\n[![PyPI](https://img.shields.io/pypi/v/cylc-flow.svg?color=yellow)](https://pypi.org/project/cylc-flow/)\n[![Anaconda-Server Badge](https://anaconda.org/conda-forge/cylc-flow/badges/version.svg)](https://anaconda.org/conda-forge/cylc-flow)\n[![chat](https://img.shields.io/matrix/cylc-general:matrix.org)](https://matrix.to/#/#cylc-general:matrix.org)\n[![forum](https://img.shields.io/discourse/https/cylc.discourse.group/posts.svg)](https://cylc.discourse.group/)\n[![Documentation](https://img.shields.io/website?label=documentation\u0026up_message=live\u0026url=https%3A%2F%2Fcylc.github.io%2Fcylc-doc%2Fstable%2Fhtml%2Findex.html)](https://cylc.github.io/cylc-doc/stable/html/index.html)\n\n\u003c/div\u003e\n\nCylc (pronounced silk) is a general purpose workflow engine that also\nmanages cycling systems very efficiently. It is used in production weather,\nclimate, and environmental forecasting on HPC, but is not specialized to those\ndomains.\n\n### Quick Start\n\n\n[Installation](https://cylc.github.io/cylc-doc/stable/html/installation.html) |\n[Documentation](https://cylc.github.io/cylc-doc/stable/html/index.html)\n\n```bash\n# install cylc\nconda install cylc-flow\n\n# extract an example to run\ncylc get-resources examples/integer-cycling\n\n# install and run it\ncylc vip integer-cycling  # vip = validate, install and play\n\n# watch it run\ncylc tui integer-cycling\n```\n\n### The Cylc Ecosystem\n\n- [cylc-flow](https://github.com/cylc/cylc-flow) - The core Cylc Scheduler for defining and running workflows.\n- [cylc-uiserver](https://github.com/cylc/cylc-uiserver) - The web-based Cylc graphical user interface for monitoring and controlling workflows.\n- [cylc-rose](https://github.com/cylc/cylc-rose) - Provides integration with [Rose](http://metomi.github.io/rose/).\n\n### Migrating From Cylc 7\n\n[Migration Guide](https://cylc.github.io/cylc-doc/stable/html/7-to-8/index.html)\n| [Migration Support](https://cylc.discourse.group/c/cylc/7-to-8/13)\n\nCylc 8 can run most Cylc 7 workflows in compatibility mode with little to no\nchanges, go through the\n[migration guide](https://cylc.github.io/cylc-doc/stable/html/7-to-8/index.html)\nfor more details.\n\nQuick summary of major changes:\n\n* Python 2 -\u003e 3.\n* Internal communications converted from HTTPS to ZMQ (TCP).\n* PyGTK GUIs replaced by:\n  * Terminal user interface (TUI) included in cylc-flow.\n  * Web user interface provided by the cylc-uiserver package.\n* A new scheduling algorithm with support for branched workflows.\n* Command line changes:\n  * `cylc run \u003cid\u003e` -\u003e `cylc play \u003cid\u003e`\n  * `cylc restart \u003cid\u003e` -\u003e `cylc play \u003cid\u003e`\n  * `rose suite-run` -\u003e `cylc install; cylc play \u003cid\u003e`\n* The core package containing Cylc scheduler program has been renamed cylc-flow.\n* Cylc review has been removed, the Cylc 7 version remains Cylc 8 compatible.\n\n\n### Citations \u0026 Publications\n\n[![DOI](https://zenodo.org/badge/1836229.svg)](https://zenodo.org/badge/latestdoi/1836229)\n[![JOSS](http://joss.theoj.org/papers/10.21105/joss.00737/status.svg)](https://doi.org/10.21105/joss.00737)\n[![CISE](https://img.shields.io/website/https/ieeexplore.ieee.org/document/8675433.svg?color=orange\u0026label=CISE\u0026up_message=10.1109%2FMCSE.2019.2906593)](https://ieeexplore.ieee.org/document/8675433)\n\n### Copyright and Terms of Use\n\n[![License](https://img.shields.io/github/license/cylc/cylc-flow.svg?color=lightgrey)](https://github.com/cylc/cylc-flow/blob/master/COPYING)\n\nCopyright (C) 2008-\u003cspan actions:bind='current-year'\u003e2025\u003c/span\u003e NIWA \u0026 British Crown (Met Office) \u0026 Contributors.\n\nCylc is free software: you can redistribute it and/or modify it under the terms\nof the GNU General Public License as published by the Free Software Foundation,\neither version 3 of the License, or (at your option) any later version.\n\nCylc is distributed in the hope that it will be useful, but WITHOUT ANY\nWARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A\nPARTICULAR PURPOSE.  See the GNU General Public License for more details.\n\nYou should have received a copy of the GNU General Public License along with\nCylc.  If not, see [GNU licenses](http://www.gnu.org/licenses/).\n\n### Contributing\n\n[![Contributors](https://img.shields.io/github/contributors/cylc/cylc-flow.svg?color=9cf)](https://github.com/cylc/cylc-flow/graphs/contributors)\n[![Commit activity](https://img.shields.io/github/commit-activity/m/cylc/cylc-flow.svg?color=yellowgreen)](https://github.com/cylc/cylc-flow/commits/master)\n[![Last commit](https://img.shields.io/github/last-commit/cylc/cylc-flow.svg?color=ff69b4)](https://github.com/cylc/cylc-flow/commits/master)\n\nContributions welcome:\n\n* Read the [contributing](https://github.com/cylc/cylc-flow/blob/master/CONTRIBUTING.md) page.\n* Development setup instructions are in the\n  [developer docs](https://cylc.github.io/cylc-admin/#cylc-8-developer-docs).\n* Involved change proposals can be found in the\n  [admin pages](https://cylc.github.io/cylc-admin/#change-proposals).\n* Touch base in the\n  [developers chat](https://matrix.to/#/#cylc-general:matrix.org).\n\nThis repository contains some code that was generated by GitHub Copilot.\n","funding_links":[],"categories":["Building","Climate Change"],"sub_categories":["Workflows","Climate Data Processing and Analysis"],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcylc%2Fcylc-flow","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcylc%2Fcylc-flow","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcylc%2Fcylc-flow/lists"}