The Command Line Interface

Building a useful and pleasant command line experience is easy. If you've never really tried adding a command line interface (CLI) to your python scripts or maybe you still have a bitter taste in your mouth from the days of sys.argv, getopt, optparse, and argparse.

I invite you to take another look ... or your first look at command line interfaces and how easy and useful it is for your progress and sanity.

Comparing Begins, DocOpt, and Click

https://www.pytexas.org/2014/talks/65/

Transcript

1. Command Line Interface Tools to consider when adding a command line interface
2. Easy to add! Easy to maintain! Easy to work with Command Line Interfaces
3. Eloy Zuniga Jr.
4. Eloy Zuñiga Jr. Unicode Test
5. Clinical Decision Support Platform Decisio Health
6. Decisio Dashboard
7. Houston
8. Clinical Decision Support Platform Decisio Health
9. DocOpt April 2012 docstring implementation
11. Click April 2014 decorator implementation
12. sys.argv optparse
13. argparse getopt
14. Begins July 2011 decorator implementation
15. How much configuration Entry Points Implementation Subcommands Environment Variables Configuration Variables Type Casting what I want and what it needs
16. Begins DocOpt Click
17. Begins DocOpt Click Least configuration! Somewhat robust! Intuitive Some configuration! Least robust! Intuitive Some configuration! Most robust! Intuitive
18. Begins the help screen
19. DocOpt the help screen
20. Click the help screen
21. Begins passing an argument
22. DocOpt passing an argument
23. Click passing an argument
24. Begins datatype casting
25. Begins datatype casting
27. DocOpt datatype casting
28. Click datatype casting
29. Begins environment variables
30. DocOpt environment variables
31. Click environment variables
32. Begins configuration variables
33. DocOpt configuration variables
34. Click configuration variables
35. Begins subcommands
36. DocOpt https://github.com/docopt/docopt/blob/master/examples/git/git.py subcommands
37. Click subcommands
38. Begins DocOpt Click A command line interface tool that just works and gets out of the way Makes simple command line interfaces via your docstring The most robust with an emphases on making command line scripts just *click* together
39. Eloy Zuniga Jr. http:/ /eloyz.com @eloy