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OSD600 Fall 2007

OSD600 -- Open Source Development

Subject Description

This course introduces students to the technological, social, and pragmatic aspects of developing open source software through direct involvement in the Mozilla project. Students will learn to use the tools, techniques, and strategies of open source developers. This is a project-based programming course. The Mozilla project has been chosen as an example of an open source project because of its maturity, breadth and depth of technology, and strong community.

Course Outcomes

Upon successful completion of this course students should be able to:

  • Discuss the issues and currents in open source and open source development
  • Describe the history and philosophy of an open source project
  • Choose between the various open source licenses understanding the implications for users, developers, and the software community in general
  • Use the communication modes particular to the open source world through participation in such things as mailing lists, IRC, wikis, etc.
  • Use the tools of open source development, for example: distributed revision control; documentation tools; automated build and test systems; debuggers; source code utilities; tracking systems; on-line resources, etc.
  • Work with a pre-existing large source code base
  • Write software that integrates and interacts with the Mozilla project’s code. For example: add-ons; bug fixes; new features; etc.
  • Work collaboratively with fellow students and members of the Mozilla community.

Major Project

This is a project course, and the majority of each student’s mark will come from work done on a real Mozilla development project. The primary goal of this project is to get students involved in the Mozilla development community and codebase. Through this experience students will learn about the processes, tools, and practices involved in developing software as part of a large open source community.

Philosophy

Many of the practices inherent in open source development will seem to go against the structures often set in place for similar course work. For example, students are typically forbidden to collaborate with peers, to copy from the web, etc. However, these rules must be re-evaluated in the context of proper and pragmatic open source development practices.

First, consider the typical rules around cheating and plagiarism. In this assignment, students are encouraged to work within the set of best practices natural to open source development. Open source developers do not write from scratch what already exists and is freely available for use. Students should be thinking in terms or code reuse. It is acceptable for students to use code from other open source projects, so long as the license is amenable to the use.

Second, consider the typical restrictions on peer-collaboration. In this project students are encouraged to work together, to help one another, to look at each other's code, etc. Open source collaboration is about leveraging the collective knowledge of a community to help solve the problems of the individual.

Third, consider the sharp dividing line between student projects in most programming courses. For the most part, students are evaluated on their ability to do a particular project or to solve a particular problem on their own. The outcome is measured against peer outcomes. However, in this course students are not in competition with their peers; rather, they are all working on one large project (i.e., Mozilla) with many sub-projects within it. As a result, there is no clean line to divide one student’s work from another, or even student work from that of the Mozilla community. This means that collaboration between students and even other members of the Mozilla community is acceptable practice.

To summarize, students should:

  • Help each other, contribute to one another’s projects
  • Work with and within the Mozilla community
  • Give others encouragement and credit when they offer help
  • Use existing open source code whenever possible
  • Be open to helping others and to being helped

Details

  • Each student must pick a project from the list of proposed projects, or have another project idea approved by the instructor.
  • Create a project page based on the template in the wiki. If someone has already created a page for a project you want to work on, speak to that person to see if you can join her. If she says yes, add your name to the Project Leader(s) section; otherwise pick another project and become a Contributor instead (see below).
  • Become a Contributor to one or more other projects. This is something that will just happen as you interact on IRC or in class. As people need help, you can choose to get involved with things. For example: helping to debug something, doing research into a problem, writing some tricky code. Over time your list of contributions to other peoples’ projects should grow. Keep track of this in your personal page. It is often said that open source projects are "meritocracies", where your stature is measured by your contributions and skill, so generously contributing to other projects and participating in the community may increase your influence and help you achieve your objectives. For maximum personal growth, try to contribute in different ways to various projects -- for example, contribute documentation to one project, code to another, testing to a third.
  • Keep your project page on the wiki updated. Add technical information to the Project Details section as you get a better understanding of the problem, and keep track of your project status in the Project News section. You should be updating this page at least once per week.
  • Update your blog twice a week. Remember that the more you write, the easier it will be to get help from other people: it is easier for people to understand your question with supporting documentation on the web.
  • Update your personal page on the wiki with permanent information, such as a list of your contributions to various projects.

Intellectual Property

Given that this course is focused on open source development, and given that the OSD600 students are working on real pieces of the Mozilla codebase, all student work will become open source. The particular license used will be determined based on the other parts of Mozilla with which you are interacting. It is critical that you honestly acknowledge the source of all intellectual property and that you do not introduce IP with an incompatible license into the project.

Grading

Detailed grading information will be discussed later in the term.

  • 60% - Final Project Deliverables (e.g., code, documents), marked in terms of quality, quantity, etc. Your project will be marked at three milestone releases, the number and values being:
    • 15% - 0.1 Release
    • 15% - 0.2 Release
    • 30% - 0.3 Release
  • 20% - Project Wiki Page and Blog. You will be marked on your blog and wiki pages' quality, depth of explanation, frequency of update, etc. NOTE: You will be expected to include coverage of FSOSS in your blog, which means registering. Students receive a discount, and volunteering Seneca students can get in for free.
  • 20% - Contributions to other projects. You will be marked on the quantity and quality of your contributions to other groups.

Resources & Links

Archives

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