IPython Autocomplete: Accesses Subclass properties via a @property decorator

Question

Introduction

Image you want to describe a combustion process

In order to sort elements, I created

• classes for the describing the substance (eq. class Fuel)
• class which describes the combustion (eq. class combustion)
• main.py to run an example

Python Files

properties.py

class SolidProp:

    def __init__(self,ua):
        self._ultimate = Ultimate(ua)

    @property
    def ultimate(self):
        return self._ultimate

class Ultimate:

    def __init__(self,ua: dict):
        self._comp = ua

    @property
    def comp(self):
        return self._comp

combustion.py

from properties import *

class Combustion:

    def __init__(self,ultimate):

        self.fuel = SolidProp(ua=ultimate)

main.py

from combustion import *

burner = Combustion({'CH4':0.75, 'C2H4':0.25})

Problem Description

ipython console

In the ipython console (in bash) the following is not recognized automatically (but it can be called):

Python 3.7.2 (default, Dec 29 2018, 06:19:36) 
Type 'copyright', 'credits' or 'license' for more information
IPython 7.2.0 -- An enhanced Interactive Python. Type '?' for help.

In [1]: run 'main.py'

In [2]: burner.fuel.ultimate.comp
Out[2]: {'CH4': 0.75, 'C2H4': 0.25}

This has something to do that *.ultimate is defined via a decorator in properties.py (see @property) but I would like to be able to get *.ultimate.comp autocompleted in the ipython console, so people can work with it intuitively.

Example

• burner.fuel.ultimate is recognized
• burner.fuel.ultimate.comp is NOT recognized

I can not see any methods or properties beyond burner.fuel.ultimate in the ipython console. This makes it not intuitively for people to work with it when they do not know those methods exist.

Remark: ipython console of IDE pycharm works fine!?

python console

Running it in the python console:

Python 3.7.2 (default, Dec 29 2018, 06:19:36) 
[GCC 7.3.0] :: Anaconda, Inc. on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> exec(open("main.py").read())
>>> burner.fuel.ultimate.comp
{'CH4': 0.75, 'C2H4': 0.25}

Works fine. But why not in the ipython console from a terminal?