Introduction to PyInputPlus Core Functions

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Introduction to PyInputPlus Core Functions

PyInputPlus offers a set of convenient functions to handle common input patterns in Python scripts or CLI applications. Below are brief introductions to each core function.

1. inputStr()

inputStr() reads user input as a string, ensuring at least some text is entered by default. It provides a straightforward way to prompt for textual data without manual loops or try/except blocks.

2. inputNum()

inputNum() prompts for numeric input and converts it to an integer by default. It streamlines reading numbers by handling invalid entries internally, returning only valid integers (or floats if configured separately).

3. inputChoice()

inputChoice() presents a set of predefined options and ensures the user selects exactly one of them. This simplifies menus or option prompts where only specific values are allowed.

4. inputMenu()

inputMenu() displays a numbered (or unnumbered) list of items and returns the selected item. It’s useful for CLI menus, automatically showing choices and validating the user’s selection.

5. inputDate()

inputDate() reads a date string and parses it into a datetime.date object according to specified formats. It handles invalid date entries and ensures the result is a valid date.

6. inputYesNo()

inputYesNo() prompts for a yes/no answer and returns the literal string 'yes' or 'no'. It handles common variations of affirmative or negative responses automatically.

7. inputBool()

inputBool() is similar to inputYesNo() but returns a boolean value (True or False). It simplifies binary prompts in code logic.

8. inputEmail()

inputEmail() prompts for an email address and validates its basic format. It ensures the entered text resembles a valid email pattern before returning it.

9. inputFilepath()

inputFilepath() reads a filesystem path and can enforce whether the path must or must not exist. It helps avoid manual checks for existence or format of file/directory paths.

10. inputPassword()

inputPassword() prompts for hidden input (no echo) suitable for passwords or sensitive entries. It captures the input securely without displaying it on screen.

Wrapping Up

These core PyInputPlus functions cover common input scenarios with built-in validation. By using them, you avoid repetitive loops and checks, leading to cleaner and more reliable code.

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