You get: great editor support, including completion and type checks everywhere. And there are tools to create groups of subcommands, add metadata, extra validation, etc. You don’t have to learn a new syntax, the methods or classes of a specific library, etc.Īnd similarly for files, paths, enums (choices), etc. You do that with standard modern Python types. In summary, you declare once the types of parameters ( CLI arguments and CLI options) as function parameters. $ python main.py goodbye -formal Camila Goodbye Ms. $ python main.py goodbye Camila Bye Camila! // And with -formal $ python main.py hello Camila Hello Camila // And with the goodbye command Automatic -formal and -no-formal for the bool option ? // And if you use it with the hello command $ python main.py goodbye -help Usage: main.py goodbye NAME Arguments: NAME Options: -formal / -no-formal -help Show this message and exit. $ python main.py hello -help Usage: main.py hello NAME Arguments: NAME Options: -help Show this message and exit. Commands: goodbye hello // You have 2 subcommands (the 2 functions): goodbye and hello // Now get the -help for hello show-completion Show completion for the current shell, to copy it or customize the installation.
#Big typer app install
Options: -install-completion Install completion for the current shell. $ python main.py -help Usage: main.py COMMAND. Note: auto-completion works when you create a Python package and run it with -install-completion or when you use Typer CLI.Ĭreate a typer.Typer() app, and create two subcommands with their parameters. $ python main.py Camila Hello Camila // It works! ? When you create a package you get ✨ auto-completion ✨ for free, installed with -install-completion // Now pass the NAME argument $ python main.py -help Usage: main.py NAME Arguments: NAME Options: -install-completion Install completion for the current shell. $ python main.py // You get a nice error, you are missing NAME Usage: main.py NAME Try "main.py -help" for help. Typer stands on the shoulders of a giant.
#Big typer app code
Start simple: The simplest example adds only 2 lines of code to your app: 1 import, 1 function call.Multiple features from each parameter declaration. Automatic help, and automatic completion for all shells. Easy to use: It’s easy to use for the final users.Intuitive to write: Great editor support.Typer is a library for building CLI applications that users will love using and developers will love creating.
0 kommentar(er)
