argparse-schema 
Parse Argument with JSON Schema.
Installation
Need Python 3.6+.
pip install argparse-schemaUsage
{
"$schema": "http://json-schema.org/draft-04/schema#",
"title": "argument_config",
"description": "Arg-parse Schema UnitTest",
"type": "object",
"properties": {
"config": {
"type": "string",
"positional": true,
"description": "path of config file"
},
"resume": {
"type": "boolean",
"description": "resume from checkpoint or not"
},
"scale": {
"type": "number",
"default": 1.0,
"description": "scale of image"
},
"mode": {
"enum": [
"happy",
"high",
"heaven"
],
"default": "happy",
"description": "speed mode"
}
},
"required": [
"config"
]
}Python Code:
# demo.py
import argparse_schema
print(argparse_schema.parse(schema='./tests/argument_config.json'))Run with arguments:
python3 demo.py /path/to/config.py
#> {'config': '/path/to/config.py', 'resume': False, 'scale': 1.0, 'mode': 'happy'}CLI:
argparse-schema tests/argument_config.json
#> Show help for schema file [tests/argument_config.json]:
#> usage: YOUR-COMMAND [-h] [--resume] [--scale SCALE]
#> [--mode {happy,high,heaven}]
#> config
#>
#> Arg-parse Schema UnitTest
#>
#> positional arguments:
#> config path of config file
#>
#> optional arguments:
#> -h, --help show this help message and exit
#> --resume resume from checkpoint or not
#> --scale SCALE scale of image, [1.0] in default
#> --mode {happy,high,heaven}
#> speed mode, [happy] in default
