Better Development Workflows with virtualenvwrapper

Presentation for PyATL discussing how virtualenvwrapper will make you a more productive Python programmer.

Transcript

1. Doug Hellmann PyATL 8 April 2010 Better Development Workflows with virtualenvwrapper Tuesday, September 27, 2011
2. In the beginning... • Install Python • Install dependencies • Write software • Package • Release • Get rich! Tuesday, September 27, 2011
3. ...and then • New project! • Upgrade dependencies • Write software • Package • Release • Get richer! Tuesday, September 27, 2011
4. But... • A Bug in Project 1! • Project 1 no longer runs!! • Conflict!!! Tuesday, September 27, 2011
5. What’s a Developer to Do? Don’t panic! Tuesday, September 27, 2011
6. Downgrade? Error prone. Tuesday, September 27, 2011
7. Buy another Computer? Pricy Tuesday, September 27, 2011
8. Use a Virtual Machine? Overkill Tuesday, September 27, 2011
9. virtualenv Just right! Tuesday, September 27, 2011
10. Benefits of virtualenv Simplicity Tuesday, September 27, 2011
11. Benefits of virtualenv Compatibility Tuesday, September 27, 2011
12. Benefits of virtualenv Be yourself Tuesday, September 27, 2011
13. Benefits of virtualenv Make as many as you want Tuesday, September 27, 2011
14. Benefits of virtualenv Isolation Tuesday, September 27, 2011
15. Demonstration: virtualenv Tuesday, September 27, 2011
16. Messy Shortcomings of virtualenv Tuesday, September 27, 2011
17. Still manual Shortcomings of virtualenv Tuesday, September 27, 2011
18. virtualenvwrapper Add another layer Tuesday, September 27, 2011
19. Organization Benefits of virtualenvwrapper Tuesday, September 27, 2011
20. Automation Benefits of virtualenvwrapper Tuesday, September 27, 2011
21. Demonstration: virtualenvwrapper Tuesday, September 27, 2011
22. Favorite Features "My favorite thing about using virtualenvwrapper is how it attracts the babes.” - Danny Greenfeld “After just the general organizational nirvana that can be reached w/ the core stuff, the hooks are the best.” - Paul McLanahan Tuesday, September 27, 2011
23. Automation Hooks • create • activate • deactivate • delete Tuesday, September 27, 2011
24. post-create Initialize Tuesday, September 27, 2011
25. Switch working configuration post-activate Tuesday, September 27, 2011
26. Demonstration: Hooks Tuesday, September 27, 2011
27. References • Ian Bicking’s virtualenv • http://pypi.python.org/pypi/virtualenv • virtualenvwrapper • http://www.doughellmann.com/projects/virtualenvwrapper/ Tuesday, September 27, 2011