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The World's Oldest Django Project
- 1. The world’s oldest django project James Bennett • PyCon Atlanta • February 19, 2010
- 3. A regional news company
- 4. A regional news company A dozen or so newspapers
- 5. A regional news company A dozen or so newspapers Two TV stations
- 6. A regional news company A dozen or so newspapers Two TV stations Weekly magazines
- 7. A regional news company A dozen or so newspapers Two TV stations Weekly magazines Cable TV/Internet/telephony
- 12. Those responsible have been sacked
- 14. “The CMS”
- 15. “The CMS”
- 16. “The CMS”
- 17. “The CMS”
- 18. “The CMS”
- 19. Disentangling
- 20. Disentangling Mostly done prior to open-sourcing Django
- 21. Disentangling Mostly done prior to open-sourcing Django Though some bits survived
- 23. Early customers
- 24. Early customers Some technically inclined
- 25. Early customers Some technically inclined Some… not
- 26. Customization
- 27. Customization Branch for each client? Bad idea
- 28. Customization Branch for each client? Bad idea Unified codebase? Good idea
- 29. What is the product?
- 30. What is the product? Dogfooding is great for QA
- 31. What is the product? Dogfooding is great for QA But how much of that code should you really sell?
- 32. What is the product? Dogfooding is great for QA But how much of that code should you really sell? Do you treat your own company as a client?
- 35. Deployment headaches Each client runs their own servers
- 36. Deployment headaches Each client runs their own servers Wildly divergent setups
- 37. Deployment headaches Each client runs their own servers Wildly divergent setups Initial solution: Ellington as a hosted service
- 38. The port that ate Cleveland
- 39. Django moves on
- 40. Django moves on Django 0.95 and 0.96 released
- 41. Django moves on Django 0.95 and 0.96 released Internal sites pinned to 2006 revision
- 42. Django moves on Django 0.95 and 0.96 released Internal sites pinned to 2006 revision Hosted client sites pinned to 0.91 release tag
- 45. First porting attempt Automated tools
- 46. First porting attempt Automated tools Built on early versions of Python’s 2to3
- 47. First porting attempt Automated tools Built on early versions of Python’s 2to3 Takes more time than porting by hand!
- 49. Second porting attempt Targeting Django 1.0 (unreleased)
- 50. Second porting attempt Targeting Django 1.0 (unreleased) Partially automated, partially manual
- 51. The final push
- 52. The final push All hands on deck!
- 53. The final push All hands on deck! Testing, testing, testing
- 54. The final push All hands on deck! Testing, testing, testing Finally relaunched internal sites November 2008
- 57. Preparation is important A real staging server
- 58. Preparation is important A real staging server Internal review before deployment
- 60. Testing is important Unit tests saved us during the porting process
- 61. Testing is important Unit tests saved us during the porting process Buildbot for continuous integration
- 62. Testing is important Unit tests saved us during the porting process Buildbot for continuous integration Spidering tools for live testing
- 63. Deployment is (still) hard
- 64. Deployment is (still) hard But automated deployment is a lifesaver
- 65. Deployment is (still) hard But automated deployment is a lifesaver Currently using Capistrano
- 66. Deployment is (still) hard But automated deployment is a lifesaver Currently using Capistrano Isolated environments
- 67. Hosting solves a lot of problems
- 68. Change control
- 69. Change control Completely unified codebase for Ellington
- 70. Change control Completely unified codebase for Ellington Migration framework (South)
- 71. Change control Completely unified codebase for Ellington Migration framework (South) Custom code isolated as client-specific applications
- 72. Open source
- 73. Open source Non-core functionality being released
- 74. Open source Non-core functionality being released Internal code becomes external dependency
- 75. Code savings
- 76. Code savings Modern Django, open sourcing and jettisoning legacy code
- 77. Code savings Modern Django, open sourcing and jettisoning legacy code Depending on measurements, up to 40k lines of code cut in porting
- 78. Reorganization
- 79. Reorganization In 2009, one dev team became two
- 80. Reorganization In 2009, one dev team became two Commercial products team
- 81. Reorganization In 2009, one dev team became two Commercial products team Internal sites team
- 82. Questions?