Using Python, Travis CI, and GitHub to Effectively Teach Programming

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1. Using Python, Travis CI, and GitHub to Effectively Teach Programming Gregory M. Kapfhammer October 5 at PyGotham 2018
2. @GregKapfhammer www.gregorykapfhammer.com Hi! My name is GREGORY M. KAPFHAMMER
3. Introduce strategies and tools for effectively teaching programming Roadmap for this Talk
4. USE INDUSTRY STANDARD SOFTWARE IN ALL COURSES
5. SUITABLE FOR INSTRUCTORS IN INDUSTRY OR ACADEMIA
6. GitHub Travis Python Discuss in greater detail! Exploring Technologies
7. GitHub
8. Travis
9. Python
10. Clear Status Key Ideas Fast Grading Important Goals
11. HELP STUDENTS AND TEACHERS EFFECTIVELY COLLABORATE
12. Source Code Technical Writing Commit Counts Commit Messages Program Output Data Files Deliverables to Check
13. LEVERAGE EXISTING TOOLS WHENEVER POSSIBLE
14. Source code linting Markdown linting Prose checking JUnit test suite Pytest test suite Automated build tools Tools to Support Checks
15. DEVELOP NEW SOLUTIONS IN PYTHON WHEN NECESSARY
16. Tools Packages Testing Bene ts of Python
17. Black Flake8 Pipenv Pylint Pytest Pytest Plugins (e.g., Codecov) Tools for Development
18. DESIGN PRINCIPLES THAT GUIDED DEVELOPMENT Inspired by John Ousterhout's A Philosophy of Software Design
19. ‣ Working code is not suf cient: aim for simplicity ‣ Code that hasn't been executed does not work ‣ Simple interfaces over simple implementations ‣ Great documentation encourages contributions Design Principles
20. Local Travis See GatorGrader and GatorGradle in the GatorEducator organization on GitHub Flexible Checking
21. CREATE TWO REPOSITORIES FOR EACH ASSIGNMENT
22. Solution Starter Check Using Travis CI
23. THE STARTER REPOSITORY SHOULD NOT PASS THE TESTS
24. Python Gradle Supporting different programming languages, the Gradle plugin runs GatorGrader checks in parallel Ef cient Project Grading
25. Let's Con gure Travis CI! 1. # use Java and non-root 2. dist: trusty 3. sudo: false 4. language: Java 5. jdk: oraclejdk8 6. 7. # ignore the virtualenv that Travis creates 8. env: 9 global: Travis CI runs private builds for every student
26. Let's Con gure GatorGrader! 1. --- 2. name: cmpsc-100-fall-2018-lab3 3. break: true 4. indent: 4 5. --- 6. # --> check the source code for various characteristics 7. # note that without an "--exact" the check is an "at least" Configure GatorGrader for use through Gradle
27. ✘ Repository has at least 14 commit(s) ➔ Found 9 commit(s) in the Git repository ✘ The writing has at least 100 word(s) ➔ Found 12 word(s) in a paragraph ✘ The output has one of the '28.75' ➔ Found 0 fragment(s) in the output Passed 6/13 (46%) of checks for f2018-lab3 GatorGrader's Output
28. Computational Expression Data Abstraction Software Engineering Web Development Arti cial Intelligence Courses and Topics Different topics, goals, languages, and levels Used during laboratory, practical, and class
29. GatorGrader is like having a constant coach! I liked receiving feedback on the quality of my source code and writing before turning in the nal version of my lab. - ANNA YEAGER
30. Deliverables Insights Ideas for Experiments
31. WHAT CODE AND CONCEPTS CAUSE STUDENT FRUSTRATION?
32. New Checks Bug Reports See GatorGrader and GatorGradle in the GatorEducator organization on GitHub Let's Collaborate