How shall I import a 'Class' or 'Function' from a cumstom script on local lean?

Hi Frank,

You have a file abcd.py.

1- Is it inside a cloud project in the VSCode IDE?

2- Is it inside a local project on your machine?

3- Do you use LEAN CLI for local algo development?

Fred

hi Fred

I have a file abcd.py and I use LEAN CLI on my local computer; and I create a project ‘test’ by lean, and the fold ‘test’ has below files:

1. config.json
2. main.py
3. abcd.py
4. research.ipynb

Hi Frank,

Thanks for these extra details.

So then, using classes and methods from abcd.py into main.py is just classic Python.

Let's say abcd.py contains this:

class ABCD:
	def __init__(self):
		self.hello = "HEY!"

	def hello_str(self):
		return self.hello

You can use it in main.py like this:

from abcd import ABCD

class WhateverAlgo(QCAlgorithm):
	def __init__(self):
		self.custom_hello_str = ABCD().hello_str()

This is like one way of importing.

Fred