Exploring the OPAM community

Presented at OCaml 2015 in Vancouver -- http://ocaml.org/meetings/ocaml/2015/

Transcript

1. Tools to explore the OPAM Community Amir Chaudhry Christophe Troestler OCaml 2015 Vancouver
2. Community? Code — libraries, projects, applications Comms — email, social, websites, meetups Orgs — companies, governance
3. Community? Code — libraries, projects, applications Comms — email, social, websites, meetups Orgs — companies, governance
4. Scope and Aims Create tools for people/projects to use
 lots of existing libs to build on e.g. opam-lib, ocaml-git, cohttp, etc Qualitative look at the OPAM universe
 constrained to OCaml code, version-controlled in git
5. Qualitative vs Quantitative
6. Qualitative Quantitative Holistic
 Understand complex relationships Targeted
 Explanation and control Patterns and themes Non-causal Correlation and validation Cause and effect Evolves with data Subjective ongoing judgement Hypothesis driven Interpret once at the end Continual interpretation Unique to context Summative interpretation Generalise findings Adapted from: http://www.qualitative-researcher.com/focus-group/qualitative-vs-quantitative/
7. Qualitative Quantitative Holistic
 Understand complex relationships Targeted
 Explanation and control Patterns and themes Non-causal Correlation and validation Cause and effect Evolves with data Subjective ongoing judgement Hypothesis driven Interpret once at the end Continual interpretation Unique to context Summative interpretation Generalise findings Adapted from: http://www.qualitative-researcher.com/focus-group/qualitative-vs-quantitative/
8. Scope and Aims Create tools for people/projects to use
 lots of existing libs to build on e.g. opam-lib, ocaml-git, cohttp, etc Qualitative look at the OPAM universe
 constrained to OCaml code, version-controlled in git
9. Starting point OPAM metadata Commits Authors Package relations github.com/ocamllabs/cosmetrics
10. Scope and Aims Create tools for people/projects to use
 lots of existing libs to build on e.g. opam-lib, ocaml-git, cohttp, etc Qualitative look at the OPAM universe
 constrained to OCaml code, version-controlled in git
11. Coverage Can reach ~70% of OPAM packages
 Involves guessing the dev-repo field Simple filtering for OCaml code
 Check for presence of .ml files in src/ or lib/ Can actually look at ~60% of packages
 Issues with connections to some repos (bitbucket)
12. All commits
13. All commits
14. Examples
15. Add more stuff… Pull Requests/Issues! Other VCS’! Project features! Dashboards!
16. … but remember Qualitative Exploratory Beware Assumptions
17. Tools matter Existing libraries made this feasible Quick iteration is important Adaptable to different purposes
18. Feedback?