Difference between revisions of "Google Summer of Code 2020"

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<div style="text-align: center; font-size: 1.2em; border: solid 1px black; padding: 1em;">
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Software Heritage is not participating in the Google Summer of Code 2020; this page is only kept as an archive. Thank you for your interest in Software Heritage, and you are welcome to apply for an [[internship]] instead.
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</div>
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== General information ==
 
== General information ==
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== Accepted projects ==
 
== Accepted projects ==
  
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None yet, it's too soon for this!
  
 
== I want to participate as a student ==
 
== I want to participate as a student ==
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# Create an account on our [https://forge.softwareheritage.org development forge]
 
# Create an account on our [https://forge.softwareheritage.org development forge]
 
# Familiarize yourself with our [[Code review in Phabricator|code review workflow]]
 
# Familiarize yourself with our [[Code review in Phabricator|code review workflow]]
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# Make a simple change to any one of our [https://docs.softwareheritage.org/devel/ software components] and submit it as a [https://forge.softwareheritage.org/differential/ diff] for code review, following the above workflow. [[Easy hacks]] and [https://forge.softwareheritage.org/project/view/20/ Web UI] issues are good options for what to fix, but feel free to submit any patch you think it might be useful.
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# Make at least one simple change to any one of our [https://docs.softwareheritage.org/devel/ software components] and submit it as a [https://forge.softwareheritage.org/differential/ diff] for code review, following the above workflow. [[Easy hacks]] and [https://forge.softwareheritage.org/project/view/20/ Web UI] issues are good options for what to fix, but feel free to submit any patch you think it might be useful.
  
 
=== What to include in your application ===
 
=== What to include in your application ===
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Below you can find a list of project ideas that are good options for a
 
Below you can find a list of project ideas that are good options for a
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reasonably sized GSoC project. They are just suggestion though, don't feel
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reasonably-sized GSoC project:
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<DynamicPageList>
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category = GSoC task
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ordermethod = sortkey
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order = ascending
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</DynamicPageList>
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Independently from GSoC, we also maintain a separate list of academic [[Internships]].
 +
They are usually offered to university students, but during GSoC they are also available as GSoC projects.
 +
The currently available (GSoC) internship topics are:
 +
<DynamicPageList>
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category = Available internship
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ordermethod = sortkey
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order = ascending
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</DynamicPageList>
 +
 
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Both GSoC tasks and internship topics are just suggestion though, don't feel
 
obliged to pick one of them if there is nothing that fits your taste and
 
obliged to pick one of them if there is nothing that fits your taste and
 
abilities.  Feel free to propose something else that you are excited about and
 
abilities.  Feel free to propose something else that you are excited about and
 
that contributes to improve the Software Heritage archive: we will be happy to
 
that contributes to improve the Software Heritage archive: we will be happy to
 
consider it!
 
consider it!
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=== Increase archive coverage ===
 
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Software Heritage aims to archive ''all publicly available software source
 
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code''. We naturally started with the place where most of the software is
 
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easily available today: git repositories on GitHub.
 
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As Software Heritage grows, we're incrementally increasing archive coverage by
 
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expanding the sources from which we archive software; a list of currently
 
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crawled sources is listed on the
 
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[https://archive.softwareheritage.org main archive page]. As you can see there,
 
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we have already built ways of archiving Mercurial repositories, Debian packages,
 
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PyPI bundles, and more.
 
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Further expansions of archive coverage are very suitable GSoC project.
 
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Practically, to expand archive coverage two kinds of software components need
 
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to be implemented: listers and loaders.
 
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'''Listers''' are components that crawl the APIs of software
 
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[https://en.wikipedia.org/wiki/Forge_(software) forges] (e.g., Bitbucket,
 
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Gitorious, Sourceforge, ...) or package managers (a larges list is maintained
 
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by [https://libraries.io Libraries.io]) and return a list of the software
 
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available in it. See the official
 
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[https://docs.softwareheritage.org/devel/swh-lister/ listers documentation] for
 
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more details.
 
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'''Loaders''' take a bundle of software (tarball, Git repository, Python
 
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package, ...) and load it into Software Heritage, by adapting it so that it
 
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matches the archive
 
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[https://docs.softwareheritage.org/devel/swh-model/data-model.html data model].
 
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While listers answer questions like "what are all the repositories available on
 
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npm.org?", a loader addresses the "how do I load the NPM package I downloaded
 
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into Software Heritage?" problem.
 
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Writing a missing lister or a loader is a great way to contribute to expand the
 
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coverage of the Software Heritage archive! Feel free to propose the
 
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implementation of one (or several!) listers or loaders that are currently
 
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missing. For inspiration you can check out our [[Suggestion box]] for code to
 
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archive, or propose your favorite missing forge or package repository.
 
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=== Mine information from archived content ===
 
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In addition to archival, Software Heritage indexes the retrieved source code
 
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artifacts, to enable semantic searches on the archive and scientific research.
 
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Indexing can happen at the individual file-level (e.g., detect the programming
 
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language the file is written in or the license declared in its header), or at
 
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more coarse grained granularity (e.g., what metadata are declared for the most
 
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recently archived version of a given project).
 
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A number of indexes are [https://forge.softwareheritage.org/source/swh-indexer/ currently supported],
 
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such as:
 
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* file level mining:
 
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** MIME type detection (using libmagic)
 
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** license detection (using FOSSology/nomossa)
 
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** language detection (using Pygments)
 
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** ctags extraction (using universal-ctags)
 
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* project level mining:
 
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** Ruby gemspec metadata
 
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** Python PKG-INFO metadata
 
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** Maven pom.xml metadata
 
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** NPM package.json metadata
 
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Writing additional indexers that extract more information from archived source
 
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code is welcome and would constitute a suitable GSoC project.
 
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Name the kind of data mining you want to do!
 
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For inspiration you can have a look at [https://libraries.io Libraries.io], as
 
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most package formats/package managers support dedicated ways of expressing
 
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metadata and we only support a small number of them up-to-now. But do not
 
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restrict your ambition to those, any kind of data extraction/mining you want to
 
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do on the archive could work.
 
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=== Improve and extend the archive Web UI ===
 
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As you probably know already, The Software Heritage archive can be
 
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[https://archive.softwareheritage.org browsed on the Web]. The
 
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[https://forge.softwareheritage.org/source/swh-web/ code] powering that
 
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interface is a Django application that also implements a
 
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[https://archive.softwareheritage.org/api/ Web API].
 
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Several improvements are possible on the archive Web interface and would make
 
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great GSoC projects, some ideas to whet your appetite:
 
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* add new source code search criteria and improve the search interface
 
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* add developer-oriented features, e.g., source file history, blame/praise interface, in-browser edit (with patch download), ... (note that this will also require backend design and implementation)
 
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* improve [https://www.w3.org/WAI/ accessibility]
 
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* help us design and implement our [https://forge.softwareheritage.org/T1805 next API version]
 
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=== Research internships ===
 
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For the more research-inclined students, we also maintain a separate list of [[Internships]].
 
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Any topic there is also a viable GSoC project.
 
  
 
== Contact ==
 
== Contact ==
  
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GSoC students are encouraged to get in touch with the Software Heritage community using the standard development communication channels, i.e.:
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GSoC students are encouraged to get in touch with the Software Heritage community using the standard development communication channels, and in particular our IRC channel (#swh-devel on FreeNode) and mailing list (swh-devel).
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* the #swh-devel IRC channel on [https://freenode.net Freenode]
 
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* the [https://sympa.inria.fr/sympa/info/swh-devel swh-devel mailing list]
 
  
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See our [https://www.softwareheritage.org/community/developers/ development information page] for more details.
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See our [https://www.softwareheritage.org/community/developers/ development information page] for details.
  
 
== Timeline ==
 
== Timeline ==

Revision as of 21:29, 21 February 2020

Software Heritage is not participating in the Google Summer of Code 2020; this page is only kept as an archive. Thank you for your interest in Software Heritage, and you are welcome to apply for an internship instead.


General information

This page is the central point of information for Software Heritage participation into the Google Summer of Code program in 2020.

Google Summer of Code is a program where Google pays students stipends to work over the (northern hemisphere) summer on free software projects such as Software Heritage. Each student works with mentors from the community to complete a software project.

Accepted projects

None yet, it's too soon for this!

I want to participate as a student

Great!, we are very glad for your interest in contributing to Software Heritage and we are looking forward to work together.

Prerequisites

The following prerequisites apply to Software Heritage GSoC projects:

  • Python 3 is our language of choice, you should be fluent with that language to apply
  • Git is our version control system of choice, you should be familiar with it to apply
  • additional prerequisites depend on the project you will work on; check project descriptions for details

Before you apply

Here are the steps you should follow before applying, to make sure you have a good grasp of what we are doing at Software Heritage and how we do it:

  1. Follow our getting started guide: it will make sure you can locally run a (small) copy of the archive and ingest source code into it
  2. Create an account on our development forge
  3. Familiarize yourself with our code review workflow
  4. Make at least one simple change to any one of our software components and submit it as a diff for code review, following the above workflow. Easy hacks and Web UI issues are good options for what to fix, but feel free to submit any patch you think it might be useful.

What to include in your application

Make sure that your application includes the following information:

  • Describe the specific project you want to work on. What do you want to achieve? Why is it important? Why is it useful for Software Heritage? The project might be one of the project ideas that we have prepared below, or something else entirely that you want to contribute to Software Heritage. Your source code archival pet peeve, surprise us!
  • Detail your work plan: a brief description of how you plan to go about your project, including a list of deliverables and a timeline of when do you expect them to be available.
  • Include a reference to the diff you submitted before applying (see the "Before you apply" section above).

Ideas list

Below you can find a list of project ideas that are good options for a reasonably-sized GSoC project:


Independently from GSoC, we also maintain a separate list of academic Internships. They are usually offered to university students, but during GSoC they are also available as GSoC projects. The currently available (GSoC) internship topics are:


Both GSoC tasks and internship topics are just suggestion though, don't feel obliged to pick one of them if there is nothing that fits your taste and abilities. Feel free to propose something else that you are excited about and that contributes to improve the Software Heritage archive: we will be happy to consider it!

Contact

GSoC students are encouraged to get in touch with the Software Heritage community using the standard development communication channels, and in particular our IRC channel (#swh-devel on FreeNode) and mailing list (swh-devel).

See our development information page for details.

Timeline

See the official Google Summer of Code timeline.

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