gamla 37

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גamla is a functional programming library for python.

pip install gamla

Debugging anonymous compositions

gamla.compose(x, y, z) produces a new function which doesn't have a proper name. If x raises an exception, it is sometimes hard to figure out where this occurred. To overcome this, set the env variable GAMLA_DEBUG_MODE (to anything). This will cause the composition functions to give a name for the anonymous composition. The name would be a concatenation of its constituents' names, e.g. x_of_y_of_z. The name is given in a way that persists to the stack exceptions.

This is turned on only by flag because it incurs significant overhead so things might get slow.

Mixing asynchronous and synchronous code

Most functions in this lib will work seamlessly with async and regular functions, and allow the developer to focus on the logic instead of deciding where to place an await.

For example:

import asyncio

import gamla


def increment(i):
    return i + 1


async def increment_async(i):
    asyncio.sleep(1)
    return i + 1


async def run():
    mixed_composition = gamla.compose_left(increment, increment_async, increment)
    return await mixed_composition(0)  # returns 3!

Releasing a new version

1. Create a pypi account.
2. Download twine and give it your pypi credentials.
3. Get pypi permissions for the project from its owner.
4. python setup.py sdist bdist_wheel; twine upload dist/*; rm -rf dist;