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kiwi-scp/src/kiwi/core.py

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2020-08-06 11:43:45 +00:00
import argparse
import os
###########
# CONSTANTS
KIWI_ROOT = os.getenv('KIWI_ROOT', ".")
KIWI_CONF_NAME = os.getenv('KIWI_CONF_NAME', "kiwi.yml")
class Parser:
__instance = None
__subparsers = None
__args = None
@classmethod
def __init_instance(cls):
if not cls.__instance:
cls.__instance = argparse.ArgumentParser(description='kiwi-config')
cls.__subparsers = Parser.__instance.add_subparsers()
cls.__subparsers.required = True
cls.__subparsers.dest = 'command'
@classmethod
def get_instance(cls):
cls.__init_instance()
return cls.__instance
@classmethod
def get_subparsers(cls):
cls.__init_instance()
return cls.__subparsers
@classmethod
def get_args(cls):
if not cls.__args:
cls.__args = cls.get_instance().parse_args()
return cls.__args