{"id":24513861,"url":"https://github.com/lecopivo/houlean","last_synced_at":"2025-09-25T19:48:41.195Z","repository":{"id":61432186,"uuid":"484825076","full_name":"lecopivo/HouLean","owner":"lecopivo","description":"Lean 4 as a scripting language in Houdini","archived":false,"fork":false,"pushed_at":"2024-03-13T14:32:56.000Z","size":1480,"stargazers_count":20,"open_issues_count":0,"forks_count":0,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-07-09T13:47:38.127Z","etag":null,"topics":["houdini","houdini-plugin","lean4"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/lecopivo.png","metadata":{"files":{"readme":"readme.org","changelog":null,"contributing":null,"funding":null,"license":null,"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}},"created_at":"2022-04-23T18:22:34.000Z","updated_at":"2025-03-30T05:44:36.000Z","dependencies_parsed_at":"2024-05-28T17:05:10.003Z","dependency_job_id":"1c459d5c-43df-441d-90d5-cd5cecf13bfc","html_url":"https://github.com/lecopivo/HouLean","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/lecopivo/HouLean","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lecopivo%2FHouLean","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lecopivo%2FHouLean/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lecopivo%2FHouLean/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lecopivo%2FHouLean/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/lecopivo","download_url":"https://codeload.github.com/lecopivo/HouLean/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lecopivo%2FHouLean/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":276974455,"owners_count":25738497,"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":"2025-09-25T02:00:09.612Z","response_time":80,"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":["houdini","houdini-plugin","lean4"],"created_at":"2025-01-22T00:56:48.481Z","updated_at":"2025-09-25T19:48:41.178Z","avatar_url":"https://github.com/lecopivo.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"* Lean 4 in Houdini\n\n  This Houdini plugin allows you to use Lean 4 as a scripting language/replacement of VEX. This plugin is highly experimental!\n\n  [[file:preview.png]]\n\n* Installation instructions\n\n  To build =HouLean= run these commands:\n#+begin_src\n  lake script run compileCpp /opt/hfs19.5\n  lake build Aesop:shared Cli:shared ImportGraph:shared LeanColls:shared Mathlib:shared ProofWidgets:shared Qq:shared SciLean:shared Std:shared\n  g++ -shared -o build/libLake.so -Wl,--whole-archive -fvisibility=default $HOME/.elan/toolchains/leanprover--lean4---v4.7.0-rc2/lib/lean/libLake.a -Wl,--no-whole-archive\n  lake build\n  lake script run install ~/houdini19.5\n  lake script run setHoudiniEnv ~/houdini19.5  \n#+end_src\n  If necessary, replace =/opt/hfs19.0= with your Houdini install path and =~/houdini19.0= with Houdini preference directory.\n\n  You can find the above example scene in =houdini/hip/example.hip=.\n  \n\n\n\nTODO: explain these steps\n#+begin_src\nlake build Aesop:shared Cli:shared ImportGraph:shared LeanColls:shared Mathlib:shared ProofWidgets:shared Qq:shared SciLean:shared Std:shared\ng++ -shared -o build/libLake.so -Wl,--whole-archive -fvisibility=default $HOME/.elan/toolchains/leanprover--lean4---v4.6.0-rc1/lib/lean/libLake.a -Wl,--no-whole-archive\n#+end_src\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flecopivo%2Fhoulean","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flecopivo%2Fhoulean","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flecopivo%2Fhoulean/lists"}