python_src_app_command_controllers_base

Example Python program python_src_app_command_controllers_base.py For Python version 2.x. To test your Python version use:

python --version

Modules

import os
controller = import(path)

Classes

class BaseController:

Methods

def init (self):
def load (self, name):
def home (self):
def back (self, skip = 0):
def exit (self):
def input (

Code

Python example

import os

class BaseController:

    _steps = []


    def __init__ (self):
        print 'BaseController.__init__()'


    def load (self, name):
        path = os.path.dirname(os.path.realpath(__file__)).replace(os.getcwd() + '/', '').replace('/', '.') + '.' + name
        controller = __import__(path)
        for p in path.split('.')[1:]:
            controller = getattr(controller, p)

        class_ = getattr(controller, name.capitalize() + 'Controller', None)
        if class_:
            class_()
        else:
            print 'Load Controller was failed ...'
            print('=' * 60)
            self.showOperations()


    def home (self):
        step = self._steps[0]
        self._steps = []
        self.input(**step)


    def back (self, skip = 0):
        # print '>> go back'
        self._steps.pop() # must be remove one
        if skip > 0 and skip < len(self._steps):
            for i in range(skip):
                self._steps.pop()
        if len(self._steps) == 0:
            self.exit()
        self.input(**self._steps.pop())


    def exit (self):
        print 'Bye!'
        exit()

    def input (
        self,
        title = 'What you can do below:',
        operations = { '0': { 'do': 'exit' } },
        instance = None,
        *args,
        **whatever
    ):
        self._steps.append({ 'instance': instance or self, 'title': title, 'operations': operations  })

        theLast = self._steps[-1]
        instance = theLast['instance']
        operations = theLast['operations']
        title = theLast['title']

        while True:
            print ('-' * 60) + '\n' + title

            keys = operations.keys()
            keys.sort()
            for key in keys:
                if ('name' in operations[key]):
                    name = operations[key]['name']
                else:
                    name = operations[key]['do']
                print('{0}. {1}'.format(key, name))

            do = raw_input('Please choose: ')
            print('>' * 60)
            if do in operations.keys() and 'do' in operations[do]:
                # print(operations[do])
                func = getattr(instance, operations[do]['do'], False)
                if func:
                    if 'args' in operations[do]:
                        args = operations[do]['args']
                        argsType = type(args)
                        if argsType is tuple:
                            result = func(*args)
                        elif argsType is dict:
                            result = func(**args)
                        elif argsType is list:
                            result = func(*tuple(args))
                        else:
                            result = func(args)
                    else:
                        result = func()
                    print '<' * 60
                    if result == False:
                        break
                else:
                    print 'Not Impletement!\n'
            else:
                print 'Not support!\n'

Useful Links

Articles: https://python-commandments.org/
Python shell: https://bsdnerds.org/learn-python/
Tutorial: https://pythonprogramminglanguage.com/