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Static types in Python, oh my(py)!
Engineering Static types in Python, oh my(py)! Tim Abbott Oct 13, 2016 • 18 min read Over the last few years, static type checkers have become available for popular dynamic languages like PHP (Hack) and JavaScript (Flow and TypeScript), and have seen wide adoption. Two years ago, a provisional syntax for static type annotations was added to Python 3. However, static types in Python have yet to be
AWS Lambda Pythonをローカル環境で実行 | DevelopersIO
AWS Lambda を開発する際には コードを書く Zip で固めてアップロードする サンプルイベントをインプットに Lambda 関数をテスト実行する CloudWatch Logs でログを確認してデバッグ というフローが発生します。 コード修正のたびにこのフローをたどるのはなかなか手間です。 そこで今回は python-lambda-local を使ってローカル環境で AWS Lambda Python の実行環境をエミュレートし、Lambda 関数を実行する方法について解説します。 以下のようにライブラリーパス(-l)、ハンドラー(-f)、タイムアウト(-t)、プログラム、(test.py)、入力イベント(events.json) を指定すると、Lambda 関数をローカル環境で実行できます。 $ python-lambda-local -l lib/ -f handler -t
【新機能】Python Serverless Microframework for AWS(プレビュー版)が登場！ | DevelopersIO
【新機能】Python Serverless Microframework for AWS(プレビュー版)が登場！ こんにちは、せーのです。今日は昨今でのクラウド構築での主流となりつつある「サーバレスアーキテクチャ」を更に効率的に構築できる便利ツールをご紹介します。ちょっとワクワクしますよ。 できるだけ速く、できるだけ直感的に AWSにてサーバレスアーキテクチャを実現するのに一番シンプルな方法は「Lambda + API Gateway」です。要件をREST APIの形に落とし込み、API Gatewayにデプロイ、URLを叩かれたらLambdaが連動して処理を開始する、というものです。Lambdaが自動的にスケールしてくれるので沢山のアクセスがきた時もうまいこと捌いてくれ、EC2無しでシステムの構築が可能となる、というものです。 しかし実際に組んだことがある方はわかるかと思いますが簡単な
Rubyが今のPythonの地位にいない理由
_ Rubyが今のPythonの地位にいない理由 歴史のことなんぞなんも知らんけど、「技術的には今のPythonの地位はRubyでもよかったのに、そうならなかった」のが何故か、その理由を書いてみよう。僕はRubyの歴史なんて知らないし、以下の文章は全部、まるで見てきたかのように書いてますが、適当に書いたくせに何故か断言口調になっている怪文書の類いです。 https://twitter.com/mametter/status/741950239662170112 まめさんの書いた理由リストはどれも関係ない。いやカスってるけど。難しいというのも関係ない。 僕がRubyを知ったころ…最初に書いた通りRubyの歴史なんて知らないので、別に早くもないわけだけど…Rubyというのは全く使われていない言語だった。どっかの好き者がPerlの替わりに単純な処理に使って、「ウフ、美しくかけた、グフッ」とかつぶ
Python and Elixir
Python & Elixir Polyglot Web scraping by Piotr Klibert the idea a simple web crawler rationale web-crawling is: downloading and processing (in a loop, preferably concurrently) Elixir handles downloading much better than Python Elixir is better at concurrency and parallelism Python is better at processing (many libraries) why not use both? Python & concurrency Overview many ways to get concurrency
uvloop: Blazing fast Python networking — magicstack
asyncio is an asynchronous I/O framework shipping with the Python Standard Library. In this blog post, we introduce uvloop: a full, drop-in replacement for the asyncio event loop. uvloop is written in Cython and built on top of libuv. uvloop makes asyncio fast. In fact, it is at least 2x faster than nodejs, gevent, as well as any other Python asynchronous framework. The performance of uvloop-based
nxweb – Fast and Lightweight Web Server for Applications Written in C & Python
nxweb – Fast and Lightweight Web Server for Applications Written in C & Python Rationale Sometimes web applications need small and fast components that are best written in C. Example: ad banner rotation engine. It gets invoked many times on every page of your site producing little HTML snippets based on predefined configuration. How would you implement it? CGI is not an option as it gets loaded an
PyPy.js - PyPy Python in Your Browser
Imagine a future where you are building that rich, client-side web app. You start by creating some backend services in Flask or Node, an HTML page, throw in a few divs and uls, and then you type [script src="main.py" language="Python"]. That future might just be possible, for the right types of applications, with Ryan Kelly's pypy.js project. Links from the show: PyPy.js: What? How? Why? - PyCon 2
Locust.io
An open source load testing tool. Define user behaviour with Python code, and swarm your system with millions of simultaneous users. Define user behaviour in code No need for clunky UIs or bloated XML. Just plain code. Distributed & Scalable Locust supports running load tests distributed over multiple machines, and can therefore be used to simulate millions of simultaneous users Proven & Battle-te
Project Jupyter
Free software, open standards, and web services for interactive computing across all programming languages JupyterLab: A Next-Generation Notebook Interface JupyterLab is the latest web-based interactive development environment for notebooks, code, and data. Its flexible interface allows users to configure and arrange workflows in data science, scientific computing, computational journalism, and ma
Python Async (ASGI) Web Frameworks Benchmark
This is a simple benchmark for python async frameworks. Almost all of the frameworks are ASGI-compatible (aiohttp and tornado are exceptions on the moment). The objective of the benchmark is not testing deployment (like uvicorn vs hypercorn and etc) or database (ORM, drivers) but instead test the frameworks itself. The benchmark checks request parsing (body, headers, formdata, queries), routing, r
Computational Statistics in Python — Computational Statistics in Python 0.1 documentation
Computational Statistics in Python 0.1 Site Introduction to Python Variables Operators Iterators Conditional Statements Functions Strings and String Handling Lists, Tuples, Dictionaries Classes Modules The standard library Keeping the Anaconda distribution up-to-date Exercises Getting started with Python and the IPython notebook Cells Code Cells Magic Commands Python as Glue Python <-> R <-> Matla
Welcome | Flask (A Python Microframework)
Welcome to Flask¶ Welcome to Flask’s documentation. Flask is a lightweight WSGI web application framework. It is designed to make getting started quick and easy, with the ability to scale up to complex applications. Get started with Installation and then get an overview with the Quickstart. There is also a more detailed Tutorial that shows how to create a small but complete application with Flask.
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