Welcome to EvArgs

“EvArgs” is a lightweight python module for easy expression parsing and value-casting, validating by rules, and it provide flexible configuration and custom validation method.

Github

The latest version and documentation may be found on GitHub. The Github URL is the following.

EvArgs Github

Install

$ pip install evargs
or
$ pip3 install evargs

Features and documentation

“EvArgs” provides the following features.

• It can specify the condition or value-assignment using a simple expression. e.g. a=1;b>5

• Evaluate assigned values. e.g evargs.evaluate(‘a’, 1)

• Put values. It’s available to using put is without parsing the expression.

• Value casting - str, int, float, complex…

• Value validation - unsigned, number range, alphabet, regex, any other…

• Applying Pre-processing method and Post-processing method.

• Get assigned values.

• Set default rule.

• Make parameter’s description.

• Other support methods for value-assignment.

And you can see detail features and usage in EvArgs documentation

Modules and Classes reference

The following is the documentation for the module and class. Github source

EvArgs class document

• Index

• Module Index

• Search Page

Usage

from evargs import EvArgs

evargs = EvArgs()

evargs.initialize({
  'a': {'type': bool},
  'b': {'type': int},
  'c': {'type': float, 'default': 3.14},
  'e': {'type': str}
})

evargs.parse('a=True;b=10;c=H2O')