trio
go-multierror
trio | go-multierror | |
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19 | 16 | |
5,895 | 2,183 | |
0.8% | 0.6% | |
9.5 | 4.6 | |
2 days ago | 7 days ago | |
Python | Go | |
GNU General Public License v3.0 or later | Mozilla Public License 2.0 |
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trio
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trio VS awaits - a user suggested alternative
2 projects | 9 Dec 2023
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In what ways are channels are better than the traditional await?
Incidentally, the alternative event loop implementation trio in python does not have "gather", you also need channels, and it's a deliberate design choice - there is some discussion about that in this ticket https://github.com/python-trio/trio/issues/2188
- Polyphony: Fine-Grained Concurrency for Ruby
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This Week In Python
trio – a friendly Python library for async concurrency and I/O
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Python projects with best practices on Github?
trio. the best code, the best documentation, awesome community.
- Trio: Structured Concurrency for Python
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The Heisenbug lurking in your async code (Python)
I'll +1 the Trio shoutout [1], but it's worth emphasizing that the core concept of Trio (nurseries) now exists in the stdlib in the form of task groups [2]. The article mentions this very briefly, but it's easy to miss, and I wouldn't describe it as a solution to this bug, anyways. Rather, it's more of a different way of writing multitasking code, which happens to make this class of bug impossible.
[1] https://github.com/python-trio/trio
[2] https://docs.python.org/3/library/asyncio-task.html#task-gro...
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The gotcha of unhandled promise rejections
It's similar to manual memory management.
Structured concurrency is one approach to solving this problem. In a structured concurrency a promise would not go out of scope unhandled. Not sure how you would add APIs for it though.
See Python's trio nurseries idea which uses a python context manager.
https://github.com/python-trio/trio
I'm working on a syntax for state machines and it could be used as a DSL for promises. It looks similar to a bash pipeline but it matches predicates similar to prolog.
In theory you could wire up a tree of structured concurrency with this DSL.
https://github.com/samsquire/ideas4#558-assign-location-mult...
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Python Asyncio: The Complete Guide
Not complete - doesn't include Task Groups [1]
In fairness they were only included in asyncio as of Python 3.11, which was released a couple of weeks ago.
These were an idea originally from Trio [2] where they're called "nurseries" instead of "task groups". My view is that you're better off using Trio, or at least anyio [3] which gives a Trio-like interface to asyncio. One particularly nice thing about Trio (and anyio) is that there's no way to spawn background tasks except to use task groups i.e. there's no analogue of asyncio's create_task() function. That is good because it guarantees that no task is ever left accidentally running in the background and no exception left silently uncaught.
[1] https://docs.python.org/3/library/asyncio-task.html#task-gro...
[2] https://github.com/python-trio/trio
[3] https://anyio.readthedocs.io/en/latest/
- Anyone here able to help with a python issue?
go-multierror
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In what ways are channels are better than the traditional await?
Some packages offer utilities to gather results from goroutines, such as multierror.Group or parallel.Map in samber/lo.
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ResultGroup: Go lib for concurrent tasks & errors management
I've created a simple Go library for managing concurrent tasks, results, and errors. Inspired by HashiCorp's go-multierror, it simplifies running goroutines, collecting results, and error handling by minimizing boilerplate code.
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Valgo is a type-safe, expressive, and extensible validator library for Golang.
This looks great and can be integrated into ORM. What about adopting go-multierror?
- Multiple error wrapping is coming in Go 1.20
- mdobak/go-xerrors: Yet another error handling library.
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Multiple error handling in Go
Unlike errgroup, github.com/hashicorp/go-multierror cannot be interrupted by context. However, it is useful for use cases where you need to check all errors and handle them carefully, because you can keep all errors.
- A simple and easy-to-use batch error implementation.
- Better error handling in Golang: Theory and practical tips
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SimpleFlow - Simplified generic workflows and concurrency patterns
I found that it was also useful to introduce https://github.com/hashicorp/go-multierror so if one or more single work items returns an error, we can also batch the errors as a single thing.
- If you absolutely must create a generic Optional…
What are some alternatives?
uvloop - Ultra fast asyncio event loop.
multierr - Combine one or more Go errors together
curio - Good Curio!
errors - Simple error handling primitives
asyncio
go-chat-bot - IRC, Slack, Telegram and RocketChat bot written in go
Twisted - Event-driven networking engine written in Python.
conv - Fast conversions across various Go types with a simple API.
LDAP3 - a strictly RFC 4510 conforming LDAP V3 pure Python client. The same codebase works with Python 2. Python 3, PyPy and PyPy3
errorx - A comprehensive error handling library for Go
DearPyGui - Dear PyGui: A fast and powerful Graphical User Interface Toolkit for Python with minimal dependencies
werr