asyncpg
django-rest-framework
asyncpg | django-rest-framework | |
---|---|---|
15 | 197 | |
6,620 | 27,525 | |
1.0% | 0.6% | |
6.8 | 8.9 | |
23 days ago | 5 days ago | |
Python | Python | |
Apache License 2.0 | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
asyncpg
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Ask HN: Is Python async/await some kind of joke?
- SqlAlchemy/asyncpg => you can’t use it if you’re using PgBouncer (necessary most of the time with Postgres) in transaction mode? What?? https://github.com/MagicStack/asyncpg/issues/1058
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Differences from Psycopg2
OK I stand corrected, asyncpg has these two C files:
https://github.com/MagicStack/asyncpg/blob/master/asyncpg/pr...
https://github.com/MagicStack/asyncpg/blob/master/asyncpg/pr...
If you are interested here is a post by the psycopg author about psycopg2 and 3 and performance versus asyncpg.
https://www.varrazzo.com/blog/2020/05/19/a-trip-into-optimis...
- Asyncpg – A Fast PostgreSQL Database Client Library for Python/Asyncio
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Ruby Outperforms C: Breaking the Catch-22
This pure Python library claims quite fabulous performance: https://github.com/MagicStack/asyncpg
I believe it because that team have done lots of great stuff but I haven't used it, I just remembered thinking it was interesting the performance was so good. Not sure how related it is to running on the asyncio loop (or which loop they used for benchmarks).
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PgBouncer is useful, important, and fraught with peril
what a great post, we have had a ton of issues with users using pgbouncer and it's not because things are "broken" per se, it's just the situation is very complicated, and pgbouncer's docs are also IMO in need of updating to be more detailed and in a few critical cases less misleading, specifically the prepared statements docs.
This blog post refers to this misleading nature at https://jpcamara.com/2023/04/12/pgbouncer-is-useful.html#pre... .
> PgBouncer says it doesn’t support prepared statements in either PREPARE or protocol-level format. What it actually doesn’t support are named prepared statements in any form.
That's also not really accurate. You can use a named prepared statement just fine in transaction mode. start a transaction (so you aren't in autocommit), use a named statement, works fine. you just can't use it again in another transaction, because it will be "gone" (more accurately, "unmoored" - might be in your session, might be in someone else's session). Making things worse, when the prepared statement is "unmoored", its name can then conflict with another client attempting to use the same name.
so to use named prepared statements, you can less ideally name them with random strings to avoid conflicts, or you can DEALLOCATE the prepared statement(s) you used at the end of your transaction. for our users that use asyncpg, we have them use a uuid for prepared statements to avoid these name conflicts (asyncpg added this feature for us here: https://github.com/MagicStack/asyncpg/issues/837). however, they can just as well use DEALLOCATE ALL, set this as their `server_reset_query`, and then so that happens in transaction mode, also set `server_reset_query_always`, so that it's called at the end of transactions. Where pgbouncer here IMO entirely misleadingly documents this as "This setting is for working around broken setups that run applications that use session features over a transaction-pooled PgBouncer." - which is why nobody uses it, because pgbouncer claims this is "broken". It's not any more broken than it is to switch out the PostgreSQL session underneath a connection that uses multiple transactions. Pgbouncer can do better here and make this clearer and more accommodating of real world database drivers.
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Library to connect Python to Postgresql
asyncpg is another great driver if you're using asyncio and want maximum performance (although they also break with DBAPI, but the tradeoff may be worth it).
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aiopg vs asyncpg vs psycopg3
asyncpg: 5.5k starts, last commit recently, ~150 issues, some incompatibility, few open PRs, extensive README. Includes benchmark showing it's supposedly 3x faster than aiopg and psycopg2, psycopg3 is not mentioned in the benchmark.
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Announcing Quart-DB
Quart-DB uses asyncpg to manage the connections and buildpg to parse the named parameter bindings.
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Should I use TimescaleDB or partitioning is enough?
A major performance boost specifically on inserts with timescaledb was actually starting to use https://github.com/MagicStack/asyncpg.
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Cascade of doom: JIT, and how a Postgres update led to 70% failure on a critical national service
Simple query runs long when DB schema contains thousands of tables #186
django-rest-framework
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Ask HN: Is Python async/await some kind of joke?
- Django Rest Framework has no async support? https://github.com/encode/django-rest-framework/issues/7260
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Build and Deploy a URL Shortener using Django REST Framework and Managed Postgres
A URL shortener is a service that transforms long and complex URLs into short, easily memorable ones. This tutorial guides you through creating a URL shortener using Django REST framework and Postgres, deploying it on Koyeb.
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How can I implement 2FA with Django REST Framework?
Now, I'm converting this app into a Vue-based SPA (still powered by Django). I'm using the Django REST Framework to build the API that the SPA will interact with. (I'll be using token-based auth, via django-rest-knox. ETA: I'll actually be using djangorestframework-simplejwt.)
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Creating Own Chat GPT
For the backend, we chose Python, Django Rest Framework. On the frontend, React, Redux, Saga, Sass. Let’s start with the backend, which was managed by Yegor. He writes about the server part of the project himself.
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Building a Blog in Django
With regard to JSON API aspects of Django, have you used https://www.django-rest-framework.org/ ? I find it to be very satisfactory.
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A question
django-rest-framework and the Fetch API, or
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Exploring Django's Third-Party Packages: Top Libraries You Should Know
Django REST Framework (DRF) Django REST Framework is a famous, powerful, and flexible toolkit for building Web APIs in Django. It provides a set of reusable components and tools to simplify API development, including serialization, authentication, permissions, and view sets.
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FastAPI 0.100.0:Release Notes
I wish Django would take async more seriously. This comment gives a pretty good overview of the current situation (some points are more valid than others): https://github.com/encode/django-rest-framework/discussions/...
The Python ecosystem is strange. Where other dev communities will embrace new ways of doing things faster than most people can keep up — the Python community needs to be pulled kicking and screaming into the light once ever decade or so. Python 2 to 3, ~10 years.
async/await has been in Python since 2015, it feels like it's going to be another 5 years before we see people taking async seriously in the big packages. Same problem we had during the 2/3 transition. No library support, no developer support.
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How to create REST API using Django REST framework
Thanks for helping Steve to complete his REST API, he is now partying🥳. You can get more information on how to use the Django REST framework to best way read the documentation. There are many alternatives to the Django REST framework, you can give them a try if you want,
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Composite Class-Based View for non DRF views
[Django Rest Framework](https://www.django-rest-framework.org/) has the very nice idea of a [ViewSet](https://www.django-rest-framework.org/api-guide/viewsets/#modelviewset) that allows really minimal code to perform all the basic CRUD actions on a model.
What are some alternatives?
psycopg2 - PostgreSQL database adapter for the Python programming language
django-ninja - 💨 Fast, Async-ready, Openapi, type hints based framework for building APIs
aiopg - aiopg is a library for accessing a PostgreSQL database from the asyncio
fastapi - FastAPI framework, high performance, easy to learn, fast to code, ready for production
pymssql - Official home for the pymssql source code.
Dependency Injector - Dependency injection framework for Python
awesome-mysql - A curated list of awesome MySQL software, libraries, tools and resources
django-tastypie - Creating delicious APIs for Django apps since 2010.
pgbouncer - lightweight connection pooler for PostgreSQL
django-modern-rpc - Simple XML-RPC and JSON-RPC server for modern Django
mysql-python - MySQLdb is a Python DB API-2.0 compliant library to interact with MySQL 3.23-5.1 (unofficial mirror)
Django - The Web framework for perfectionists with deadlines.