GS PY Config

Configuration class

Usage

Create your configuration class, extending config_guiosoft.ConfigClass

from config_guiosoft import ConfigClass
from datetime import datetime, time

class Config(ConfigClass):
  STRING_CONF = "DEFAULT VALUE"
  INT_CONF = 10
  FLOAT_CONF = 0.0
  BOOL_CONF = False  
  DATE = date.today()
  DATETIME = datetime.now()

config = Config()
print(config)
>>> __main__.Config(BOOL_CONF:False,DATE:datetime.date(2020, 7, 30),DATETIME:datetime.datetime(2020, 7, 30, 18, 39, 55, 374515),FLOAT_CONF:0.0,INT_CONF:10,STRING_CONF:'DEFAULT VALUE')

When this class is instantiated, it loads values from environment variables with same name. If the variable is undefined, default values will be used.

Advanced usage

You can use ConfigType for special field behavior.

from config_guiosoft import ConfigClass, ConfigType
from datetime import datetime, time

class SpecialConfig(ConfigClass):
    STRING_CONF = ConfigType(
        'STRING_CONF', str, 'DEFAULT_STRING', lambda value: len(value) > 1)
    INT_CONF = ConfigType(
        'INT_CONF', int, 100, range(1000))
    FLOAT_CONF = ConfigType(
        "FLOAT_CONF", float, 0.5, [0, 0.1, 0.5, 3.14])
    BOOL_CONF = ConfigType(
        "BOOL_CONF", bool, False)
    DEFAULT_CONF = ConfigType("DEFAULT_CONF")
    DATE = ConfigType(
        "DATE", date, date.today(), lambda value: value <= date.today())
    DATETIME = ConfigType(
        "DATETIME", datetime, datetime.now(),
        lambda value: value <= datetime.now())

# ConfigType constructor

ConfigType(env_name: str, type=str, default=None, validation: callable = None)

Field	Description
env_name	Environment variable name, string, required
type	python type (str, int, float, bool, datetime, date)
default	default value (must be compatible with type)
validation	callable to validate data