Google Summer of Code 2019 proposed ideas
GFOSS project proposals for GSOC 2019
Students interested to participate should check which of the following projects fits their interests and skills. For practical information for students visit this page. For additional information, please subscribe to this list and post your questions. The full list archives are available here.
- 1 Upgrade UMLGraph with JAva's new doclet API
- 2 3gm
- 3 Development of a DIY robot kit for educators
- 4 Addition of Greek glyphs in Open Source Fonts
- 5 Development of a Thesis Management System (TMS)
- 6 makeblock support in Greek
- 7 Round-trip integration between GitHub/GitLab issues and git-issue
- 8 Epoptes
- 9 Symplegma
- 10 clio — Software Components and IP Management System
- 11 Replacement of LTSP
- 12 Port Qt Quick Controls Calendar widget to Qt Quick Controls 2 module
- 13 Development of a Tool for Extracting Quantitative Text Profiles
- 14 OpenProject Work-Package #1 to support modeling of the PM2 methodology for project management
- 15 OpenProject Work-Package #2 to support functionality of the PM2 methodology for project management
- 16 Real time Django monitoring and profiling
Upgrade UMLGraph with JAva's new doclet API
UMLGraph allows the declarative specification and drawing of UML class and sequence diagrams. One specifies a class diagram using the Java syntax complemented by javadoc tags. Running the UmlGraph doclet on the specification will generate a Graphviz diagram specification that can be automatically processed to create Postscript, PNG, SVG, JPEG, fig, or Framemaker drawings. The objective of the proposed project is to upgrade the UMLGraph code so that it uses the jdk.javadoc.doclet Doclet API rather than the currently used older package com.sun.javadoc. This new API provides an environment which, in conjunction with the Language Model API and Compiler Tree API, allows clients to inspect the source-level structures of programs and libraries, including API comments embedded in the source. Details on the mapping of old types to new types can be found in the Migration Guide https://docs.oracle.com/javase/9/docs/api/jdk/javadoc/doclet/package-summary.html#migration. In addition the project will also add support for Java features such as Lambdas and Generics, unit tests, and update the corresponding integration tests.
It is expected that the project will deliver a well-tested version of UMLGraph built around the new jdk.javadoc.doclet Doclet API with support for Java features such as Lambdas and Generics.
Government Gazette text mining, cross-linking, and codification Project (or 3gm for short) uses Natural Language Processing Methods and Practices on Greek Legislation. It is primarily aimed at providing with the most recent versions of each law, i.e. an automated codex via NLP methods and practices.
The scope of this GSoC project aims to expand the capabilities of the existing project by implementing NLP extensions (NER, Dep Parser etc.) described here: https://github.com/eellak/gsoc2018-3gm/issues in order to asses codification procedures.
The aim of this GSoC project is to extend 3gm's current capabilities by incorporating more features like the development of a customized language model for dependency parsing, NER Extraction, etc. in order to furtherly asses codification procedures
Experience in Machine Learning, Knowledge of Python, Basic DevOps and Web Development Skills
Development of a DIY robot kit for educators
The aim of the project will be to develop all the designs, guidelines and sample code for a starter DIY robot kit that can be 3d-printed, assembled and operated using basic electronics and sensors. This is expected to create a low-cost alternative to commercial robot kits (e.g. Lego Mindstorms) that does not require expert staff in robotics, electronics or IoT programming (e.g. using Arduino/Raspberry kits). The ability to 3D-print everything and combine it with low-cost basic electronics and sensors, will allow regional open technologies initiatives to provide schools with starter kits and a full 'Robotic 101' introductory course.
The kit that will be developed and opened must comprise 3D-designs for all the necessary parts of a modular robot that can be printed and assembled following the assemble guidelines. The target audience of the project can be educators (e.g. high school ICT teachers), with minimum expertise in robotics, electronics, and programming. So the print and assembly guidelines must be detailed and simple. In addition, the project must have a modular structure that allows educators to guide their students to the step-by-step development of the robot and to the implementation of simple navigation or sensing scenaria, that require basic programming skills.
Deliverables of the project apart from the robot parts designs, include a detailed list of the necessary electronics and sensors and the specifications for a Raspberry pi or similar single board computer (SBG).
Detailed assembly instructions, images and videos from the assembly process are desirable.
Open source code that will be installed and run on the SBG and will allow controlling the robot through a simple programming interface, along with installation guidelines must be developed.
The robot will be operated either manually using a browser that wirelessly connects with the robot, or automatically by uploading robot control scripts through the same environment.
Some sample control scripts and robot programming scenarios will also be developed.
In the three months of the project it is expected to have the basic robot designs, the libraries for controling basic sensors (ultrasonic sensor, ir sensor, micro switches ,optical odometer, servo/dc motor), the core operating software for controlling the robot and some simple robot programming assignments.
Electronics, Robotics, Programming.
Iraklis Varlamis, Theodoros Karounos
Addition of Greek glyphs in Open Source Fonts
Many of the Open Source fonts (e.g., available at https://fonts.google.com), do not include glyphs for Greek letters and are therefore useless for using in a Greek environment.
The aim of this project is to imporve this situation and add the missing glyphs in the correct Unicode codepoints. The exact set of fonts to be completed will be determined in discussions between the student and the mentor(s).
This is not a typical programming project. If you have never designed fonts before, it is probably not for you.
Full support for Greek text in a number of Open Source fonts.
Type design, font technologies. Please note that this is a special project, where coding, in the traditional sense, will not be enough.
Mentors: Alexios Zavras, Irene Vlachou Εmilios Τheofanous
Development of a Thesis Management System (TMS)
The lifecycle of the final project Thesis takes a large amount of administrative work from the initiation phase of project assignment till the last stage of publishing the Thesis to the University's library catalog. The main entities in this lifecycle are students, teachers, externals (e.g. companies or academics that cooperates with the university) and of course the Thesis subject.
The cycle begins with professors announcing subjects, which can be their own subjects or subjects that have been suggested by externals or even the students who have contacted professors beforhand.
It continuous with students applying for subjects, from the list of available subjects and professors doing the final assignment.
When a student did not manage to get a subject for which he/she applied, the system raises a flag to the student advisor, who contacts the student and professors in order to find a subject.
Thesis subjects must fall under one or more topics, from a list that the department sets and the topic information along with the title, a description and a list of references is stored with each subject.
When the profesor finally decides on the student(s) that will carry out a project, he/she has to propose two more professors from the department or externals that will co-supervise the project.
When all the assignments have been fixed by the administrator of the TMS, they can be exported in a document which can be published on the department web site.
When the student completes the thesis he/she submits a draft to the TMS and automatically notifies the supervisor to provide feedback. This is repeated until the supervisor agrees that this is the thesis to be shared with the other two co-supervisors.
In the final step the supervisors comment on the thesis and the final document is submitted to the system.
The TMS must provide reports on the undergoing and completed thesis, must alert on delayed thesis and provide related statistics.
In the three months of the project it is expected to have the whole functionality required to support the TMS lifecycle.
Iraklis Varlamis, Theodoros Karounos
makeblock support in Greek
Mblock, https://ide.makeblock.com/, is one of the best tools for Programming Software Designed for STEAM Education, supporting the Arduino (among other hardware).
We want to support the Greek Language on mblock version 5 for all platforms it is available, as this will enable Greek children to use it on their native language.
The addition of the Greek Language on mblock version 5
programming in general
Round-trip integration between GitHub/GitLab issues and git-issue
Git-issue is a minimalist decentralized issue management system based on Git. It has the following advantages over other systems.
No backend, no dependencies: You can install and use git issue with a single shell script. There's no need for a server or a database back-end, and the corresponding problems and requirements for their administration.
Decentralized asynchronous management: Anyone can add, comment, and edit issues without requiring online access to a centralized server. There's no need for online connectivity; you can pull and push issues when you're online.
Transparent text file format: Issues are stored as simple text files, which you can view, edit, share, and backup with any tool you like. There's no risk of loosing access to your issues because a server has failed.
Git-based: Issues are changed and shared through Git. This provides git issue with a robust, efficient, portable, and widely available infrastructure. It allows you to reuse your Git credentials and infrastructure, allows the efficient merging of work, and also provides a solid audit trail regarding any changes. You can even use Git and command-line tools directly to make sophisticated changes to your issue database.
Git-issue can currently import issues using the GitHub API. The project's objective is to extend this functionality with a way to synchronize between GitHub/GitLab issues and the issues kept under git-issue.
Git-issue extended for exporting its issues to GitHub/GitLab
Unix shell scripting
Epoptes (Επόπτης - a Greek word for overseer) is an open source computer lab management and monitoring tool. It allows for screen broadcasting and monitoring, remote command execution, message sending, imposing restrictions like screen locking or sound muting the clients and much more! It can be installed in Ubuntu, Debian and openSUSE based labs that may contain any combination of the following: LTSP servers, thin and fat clients, non LTSP servers, standalone workstations, NX or XDMCP clients etc.
Related GitHub repositories
- Use a VNC library instead of relying on external programs like x11vnc and xvnc4viewer.
- Investigate screen sharing on Wayland.
- Reimplement the Epoptes network benchmark tool with python libraries, e.g. twisted.
VNC library Epoptes supports broadcasting the teacher screen and assisting the students by taking control of their screens remotely. To do that, it's using external programs like x11vnc, xvnc4viewer, tightvnc, tigervnc, ssvnc. Most of these programs have maintenance issues and some of them have already been removed from distributions. On the other hand, there are some VNC libraries available in most distributions. They should be evaluated, and if some of them plans to eventually support Wayland, Epoptes should be rewritten to use that library instead of the external VNC programs.
Screen sharing on Wayland Some developers are trying to implement screen sharing on Wayland using modern technologies like WebRC/PipeWire. The current status should be evaluated, and if it appears to be mature, code could be added in Epoptes to support that. Network benchmark tool
The current implementation of Epoptes network benchmark tool is externally calling iperf v2, which is rather unstable. Its backend should be rewritten using native python libraries, for example twisted. Application/evaluation tasks Students that apply for a GSoC project should implement the following tasks for their initial evaluation: Implement a network benchmark tool in python, that measures the upload/download speed between only two computers in the local network. Try out and document the software and steps involved for sharing the screen (or a window, whichever is easier) between two users under Wayland, in any distribution.
"Symplegma" stands for the combination of appropriate libraries for numerical computing with specialization to computational mechanics and orientation to educational and research purposes. Existing libraries, like "Apache Common Maths" for standard mathematics and statistics components, "FuturEye" a Java based Finite Element Method (FEM) Toolkit, "SymJava" for fast symbolic-numeric computation, among others, are combined with the in-house "Climax" library. "Climax" is a Java implementation of computational mechanics methods, e.g., the Boundary Element Method ("jbem" package) and the Finite Element Method ("jfem" package).
A simple IDE for manipulation of the above mentioned libraries, and possible extensions, has been developed in Java while it takes advantage of Apache Groovy, a powerful, optionally typed and dynamic language. That platform, under the acronym SDE, standing for Symplegma Development Environment.
Both educational and research activities are to be considered.
Toolbox development oriented to specific courses of higher education, Graphical User Environment update, extension of ploting capabilities.
numerical methods, computational mechanics, java, groovy
Mentors: George Manolis (firstname.lastname@example.org), Christos Panagiotopoulos (email@example.com)
clio — Software Components and IP Management System
clio is a web-based system to manage data on software components and their relations. It started out as a GSoC 2018 project. For the 2019 GSoC, the main goals would be: - improvement of the UI - integration of SDPX data - extension to covering of file info (time permitting)
improvements to clio
Python, web front-end
Mentors: Alexios Zavras,
Replacement of LTSP
LTSP (Linux Terminal Service Project) allows diskless workstations to be netbooted from a single server image, with centralized authentication and home directories. But the project shows its age; the initial thin-client focused design is no longer suitable for the netbooted fat client/wayland era, and it contains a lot of stale source code. This GSoC project is about designing and implementing a modern replacement of LTSP.
A modern replacement of LTSP should be implemented, as outlined in http://wiki.ltsp.org/wiki/Dev:GSoC. It should be ready for inclusion in Debian/Ubuntu, for LTSP users to be able to slowly migrate to it.
Netbooting internals, shell, python, git, debian packaging
Mentors: Yannis Siahos , Foteini Tsiami - Unofficial mentor, Debian & LTSP developer: Vagrant Cascadian
Port Qt Quick Controls Calendar widget to Qt Quick Controls 2 module
Qt is an open source cross platform framework facilitating GUI applications development, for mobile, desktop and embedded devices. Nowadays it is widely used in applications from a variety of industries like automotive or medical. Although the framework is written in C++, it brings with it a meta-language (or modelling language), QML which’s purpose is to be used for creating the visual parts of the application easily and fast, thanks to its flexibility and clarity. To accelerate UI development, QML provides the Qt Quick Controls module with ready made widget types, each supported by a C++ class, like Button or Switch, ready to be styled and modified at our project needs. The module is currently on version 2.4 but there is no support for Calendar in the latest version, to be more specific, the Calendar was lastly provided in version 1.4 of the Qt Quick Controls module that was released with the Qt 5.3 version.
The Qt Calendar widget is updated, modified accordingly and ported into Qt 5.12 and Qt Quick Controls 2 current version. Ideally it will be upstreamed to Qt, contributing this way to the Qt ecosystem.
Mentors: Alexandra Betouni firstname.lastname@example.org
Development of a Tool for Extracting Quantitative Text Profiles
Quantitative text analysis is the basis of nearly every computational approach to text management and processing. All advanced Natural Language Processing (NLP) tasks including information retrieval, sentiment analysis, computational stylistics etc. involve the quantification of texts across a huge number of linguistic features and transform text into vectors. In many programming languages, e.g. R, Python, Java etc., there are numerous open source scripts, tools, packages and libraries that can transform texts to vectors of word frequencies, character and word n-gram frequencies, stylometric features etc. However, each of these tools covers only a restricted subset of the possible linguistic features.
Moreover, the available tools are written in different languages and require considerable efforts to be combined so that the user can extract a unified file of results. Due to the fragmentary nature of the programing environments and the highly technical skills that are required to operate the tools and combine their results, they can’t be used by large communities of scientists with humanities and sociopolitical background.
For the above reasons, we envisage the development of a user-friendly Graphical User Interface (GUI) based tool that shall provide integrated access to existing open NLP software. The new tool shall support the quantitative analysis of multilingual texts and produce quantitativetext profiles that can be used as input for further analysis, visualization, machine learning and other advanced computational processing. Such a tool does not exist to date and it will boost research in all scientific areas that require computational processing of large amounts of text.
The outcome of this project would be an open-source software with the following specifications: * User-friendly GUI that can guide intuitively its users to select the features they want to count in their text collections. * Large set of linguistic features that include at least:
** Most frequent words of the texts analyzed ** User-specified word lists ** Word and Character n-grams of arbitrary length ** Different stylometric features such as vocabulary diversity indices, readability indices, quantitative linguistic indices. * UTF-8 support * Corpus management features using text metadata
Good knowledge of the languages R, Java, Python and skills for GUI interfaces development. Good understanding of NLP concepts and tools.
OpenProject Work-Package #1 to support modeling of the PM2 methodology for project management
PM² is a Project Management Methodology developed by the European Commission. PM² is built on Project Management best practices and is supported by the following four (4) pillars:
# a project governance model(Roles & Responsibilities) # a project lifecycle (Project Phases) # a set of processes (Project Management activities) # a set of project artifacts (templates and guidelines).
For a full support of PM² Project Management Methodology by OpenProject, new modules should be developed on OpenProject that will allow modeling of the abovementioned four pillars of PM².
Support for the process of PM² itself in OpenProject: That is, development of Open Project plug-ins which should add support for defining and handling the roles, responsibilities, phases and activities (in terms of PM² governance, life-cycle and processes pillars) for every new project.
The work of this Work-Package includes: * the analysis of PM2 requirements * the setup of OpenProject development environment (Development VM) * the modeling of PM2 requirements in OpenProject environment via the development of one or more plug-ins. The plug-ins should follow the Open Project plug-in guidelines and be consistent with the OpenProject API (http://docs.openproject.org/apiv3-doc/). The plug-ins should add the required models, logic and DB tables in order to:
** Support the PM² Governance Model (Roles, Responsibilities) ** Support the PM² Phases ** Support the PM² Artifacts per Phase ** Support all PM2 plans and logs such as Change Log, Communications, Issue, Project, Quality, Requirements, and Risk * The development of tests for all the requirements (e.g. initiate PM² project, initiate phases, add artifacts, generate reports).
Related GitHub repositories
* Ruby on Rails
* Problem Analysis & Modeling
OpenProject Work-Package #2 to support functionality of the PM2 methodology for project management
This work-package is based on and extends OpenProject Work-Package #1 (Support modeling of the PM2 methodology for project management) by adding visual elements that will support for PM²project artifacts through templates, wizards, tools and guidelines.
Integrate the outputs of Work-Package #1 in OpenProject UI. For this, developed plug-ins from Work_Package #1 will be extended and new plug-ins will be developed in order to provide a rich User interface for the user. The plug-ins should follow the Open Project plug-in guidelines and be consistent with the OpenProject API (http://docs.openproject.org/apiv3-doc/) .
The developed functionality should:
* Provide wizards allowing the PM² user to:
** create and initiate PM² based project Templates ** Initiate Project phases ** add PM² artifacts per phase ** create reporting templates with visual content like Gantt and Pert charts ** add PM² artifacts with textual content like Risk Logs. * Support all PM2 plans and logs such as Change Log, Communications, Issue, Project ,Quality , Requirements, Risk * Provide tools such as
** 3-point estimation with triangular and/or beta distribution ** Critical Path Method (CPM) ** Monte-Carlo analysis/technique ** Network Diagram (FS, SS, FF) ** Work Breakdown Structure (WBS) * Support Agile Specific Artifacts and Tools, e.g. Iterations, Kanboards etc. * Support visual representation of PM² using standards like BPMN, STRATML, RDF etc * Allow connection with external systems (e.g. Open ID, Media-Wiki) * Allow for Export and import for/to other formats for data exchange (e.g. MS Project export/import, PDF, XLS etc.).
Related GitHub repositories
* Ruby on Rails
* ES6 *
statistical modeling methods for PM (Monte carlo , CPM etc)
Real time Django monitoring and profiling
Modern Django web applications expose a plethora of URLs and API endpoints that are consumed by a number of clients (web browsers, API clients, Django management commands) under different authorization and authentication credentials. It is not always feasible or easy to replicate the action that resulted in a system crash, a 500 error or a heavily delayed response but it is necessary to trace such incidents to facilitate debuggind and fixing of errors. There's also the obvious fact of monitoring the application availability and uptime and get alerted in case of mulfunctions. While there are great tools as Django Debug Toolbar and Silk that provide insights and application profiling for debugging issues, there's a lack of an open source solution that unifies real time monitoring and application profiling for both the application and database layers. This need is usually covered by either inhouse solutions, or by expensive proprietary Software as a Service solutions for those that can afford it.
As part of this project we suggest that a unified solution is developed, either as an extension to an existing open source tool (as Django silk) or by leveraging tools as ElasticSearch/Kibana. The system should be able to monitor and log all sort of requests, along with error stacktraces and related information and present on a web dashboard with grouping capabilities (eg similar endpoints) and statistics about slow requests. Given the fact that the tool should run in production, there are some architectural notes to take care, for example perform database saves not in real time but rather offloaded by a system as Celery, or sent to a separate database (eg ElasticSearch).
This is an opportunity to provide a really beneficial tool for the Django community.
An overview of similar solutions (mainly open source but also commercial offerings). A web dashboard exposing information about mulfunctions and providing real time monitoring for Django applications.
Django, Celery, Django-debug-toolbar, optionally ElasticSearch/Kibana, Postgresql