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Easy creation of import hooks to test ideas.

Project description


Easy creation of custom import hooks to try out new ideas for Python.

ideas logo


Look here. Note that this is work in progress.


pip install ideas


Suppose that you want to use function as a keyword in Python, to mean the same thing as lambda, enabling you to write


import some_other_module

square = function x: x**2
print(f"{square(4)} is the square of 4.")

You could do this by creating the following program

# Lets's call this ''

from ideas.examples import function

import my_script

and then run


So, ,, and any other module loaded by it would recognize that function is a valid alternative to lambda.

Many more examples can be found in the documentation.

Infrequently asked questions ... and comments

The following list has been created before anyone else knew about this project.


Because it is fun. If this is not enough of a justification for you, have a look at motivation which contains a longer, and more serious answer.

Is it safe to use in production code?


But your example works perfectly well in my code; can I use it in my project?

I don't think you should if your project is to be used by anyone else but yourself.

I found a bug.

Please, by all means, file an issue so that I can perhaps fix it. Note however that some examples, which are known to fail in some contexts, would be too complex ensure that they always work in all contexts.

I found a cool use of import hooks in another project, different from all of your examples.

Please, give me the details and I will see if I can easily include a similar example and if I think it is worthwhile to do so.

Can I contribute code for a new example?

Yes, please, by all means. But I suggest that you first create an issue that gives an overview of what you wish to accomplish.

I think that the explanation you have written for X could be improved upon.

Please tell me more by filing an issue first and possibly creating a pull-request afterwards.

I have an idea for a new example, but do not know how to write the code for it.

File an issue ... but please don't be offended if I don't write code for it and end up closing the issue: I already have too many ideas of my own for this project, too many other projects, and not enough time to do all that I want.

In file, you do not respect convention Y from PEP-8. This is unacceptable in a Python project.

Seriously? This project is all about looking at introducing changes to Python's syntax, some of which are downright crazy, and you complain about a PEP-8 violation? ... Ok, perhaps you can tell me and it might make sense to change what I wrote.

People from the Python-ideas mailing lists mentioned that I should look at this project for my idea, but I don't know where to start.

Please, have a look at the documentation.

Why this silly name for a project? The word "ideas" has nothing to do with import hooks in Python.

For this project, I was thinking of using importhook (singular) or importhooks (plural). However, there is already a project named importhook on Pypi and I thought that using the plural form would likely be just too confusing.

I settled on ideas as I am guessing that the main application would be for people to try out suggestions from or for python-ideas.


This project uses black for formatting, pytest for running tests, and flake8 for linting.


You can either file an issue or email me at


MIT - see the file listed above.

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