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China's GSoC Alternative and KDE GSoC Project

Submitted by Roy Schestowitz on Sunday 11th of July 2021 09:00:14 PM Filed under
KDE
Software

  • China's Alternative To GSoC Is Seeing Some Interesting Summer Open-Source Projects

    Back in May we wrote about China launching an alternative to Google Summer of Code and Outreachy. This global open-source program hosted by the Institute of Software Chinese Academy of Sciences is running "Summer 2021" for encouraging university-aged students regardless of gender or nationality to get involved in open-source development. 

    The Summer 2021 program pays out roughly $932 to $1865 USD per project depending upon complexity. Open-source community projects can participate as well to receive help if they are under an OSI-approved software license. 

  • GSOC with KStars 02: Community Bonding and First Coding Period

    Of course the task I described in the last post looks and is quite monumental. That is why I laid some of the groundwork for my GSOC beforehand (in the actual German semester breaks). This work continued in the community bonding and first coding period and will therefore be described here.

    But first I want to thank my mentor Jasem Mutlaq for his support, his patience with me and his nerves of steel. My mood levels were somewhat similar to a huge-amplitude sine wave those last weeks.

    Now to the meat…

    I began by studying the existing deep sky object implementation in KStars to identify what structure the new catalogs should have and what the smallest irreducible core of functionality was I could replace to make integration easier. I discovered that the catalogs were a mix of SQL databases and text files, somehow loaded at startup and then appended to some linked list. There was some deduplication implemented but like most DSO code it was oddly catalog specific. Especially the Messier, IC and NGC catalogs were often mentioned in the code. Also the explicit distinction between stars and DSOs made writing general code complicated but I found a consistent set of data fields shared by all catalog objects which all admitted sane defaults. It wasn't bad code or anything like that. Just the product of "organic groth" with many thing I wanted already present in some way but somewhat all over the place. I admit that I studied the code just enough to find out what exactly I had to replace and maybe I could have reused more of the existing code but I've picked this specific path in the multiverse, so let's get on with it. Just a shout out to all who did previous work on the DSO code among whom are, just to name a few, Jason Harris, Rishab Arora, Thomas Kabelmann and Akarsh Simha.

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More KDE

Submitted by Roy Schestowitz on Sunday 11th of July 2021 09:29:44 PM.
  • digiKam: GSoC 2021 Week 4-5 | Anjani's blog

    Last two weeks was the first time I started planning to build digiKam with Qt6. A major problem was that digiKam used Qt Webengine/Qt Webkit to have support of in-built browser for displaying online documents and webservice authorization steps.

    Qt Webengine/Qt Webkit modules, as of now, are not available in Qt 6.1.2 and will only be stable with release Qt 6.2, expected to arrive in September 2021. It is not trivial to isolate code that dependeds on this module. I thought about some solutions like building with alpha Qt 6.2 release. It failed. Me and my mentors had a long discussion about the solution and Gilles suggested that writing a dummy API for now is a good solution.

  • Update On My Gsoc Project

    I realize it has been a long time since the start of GSoC and I didn’t write any update blogs on the status of my project, I’m currently working on Okular to extend it to have better support for custom image stamps. Right now, Okular doesn’t fully support representing Stamp Annotations, resulting in not being able to render Stamps or not being able to save custom ones so that other viewers are able to render them.

    I’m currently working under the mentorship of Albert Astals Cid, whom I’d like to thank a lot for his continuous support and help. He has been really supportive and made the GSoC period a really fruitful journey so far.

GSoC 2021 KMyMoney - Week 3, 4 and 5

Submitted by Roy Schestowitz on Sunday 11th of July 2021 10:14:34 PM.
  • GSoC 2021 KMyMoney - Week 3, 4 and 5

    Week 5 was more into replacing the WebPriceQuote usage in KMyMoney and figuring out what APIs are needed in libalkimia.

    I noticed that the online quotes that were in kmymoneyrc weren’t visible in the Online Quotes dialog. I figured out that and used the kmymoney profiles only. As also further pointed by Ralf, the onlinequoteseditor (in libalkimia) is intended to support multiple applications and therefore adds multiple profiles.
    As unit tests were already written in libalkmia I run all the tests to check if something were wrong. All the tests passed successfully.

    I started replacing WebPriceQuote implementation with that of Alkimia one by one. I managed to do so with the help of API documentation and previous KMyMoney 4.8 implementation. I found that some of the implementations were not present in libalkimia

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