axiosvstreq

MIT 267 16 108,987

427.4 million (month) Aug 29 2014 1.15.0(2026-04-08 16:09:38 ago)

605 15 60 NOASSERTION

Dec 28 2012 212.8 thousand (month) 25.5.0(2025-06-03 03:42:30 ago)

axios is a popular JavaScript library that allows you to make HTTP requests from a Node.js environment. It is a promise-based library that works in both the browser and Node.js. It is similar to the Fetch API, but with a more powerful feature set and better browser compatibility.

One of the main benefits of using axios is that it automatically transforms the response data into a JSON object, making it easy to work with.

Axios is known for user-friendly API and support for asynchronous async/await syntax making it very accessible in web scraping.

treq is a Python library for making HTTP requests that provides a simple, convenient API for interacting with web services. It is inspired byt the popular requests library, but powered by Twisted asynchronous engine which allows promise based concurrency.

treq provides a simple, high-level API for making HTTP requests, including methods for GET, POST, PUT, DELETE, etc. It also allows for easy handling of JSON data, automatic decompression of gzipped responses, and connection pooling.

treq is a lightweight library and it's easy to use, it's a good choice for small to medium-sized projects where ease of use is more important than performance.

In web scraping treq isn't commonly used as it doesn't support HTTP2 but it's the only Twisted based HTTP client. treq is also based on callback/errback promises (like Scrapy) which can be easier to understand and maintain compared to asyncio's corountines.

Highlights

uses-twistedno-http2

Example Use

```javascript // axios can be used with promises: axios.get('http://httpbin.org/json') .then(response => { console.log(response.data); }) .catch(error => { console.log(error); }); // or async await syntax: var resp = await axios.get('http://httpbin.org/json'); console.log(resp.data); // to make requests concurrently Promise.all function can be used: const results = await Promise.all([ axios.get('http://httpbin.org/html'), axios.get('http://httpbin.org/html'), axios.get('http://httpbin.org/html'), ]) // axios also supports other type of requests like POST and even automatically serialize them: await axios.post('http://httpbin.org/post', {'query': 'hello world'}); // or formdata const data = {name: 'John Doe', email: 'johndoe@example.com'}; await axios.post('https://jsonplaceholder.typicode.com/users', querystring.stringify(data), { headers: { 'Content-Type': 'application/x-www-form-urlencoded' } } ); // default values like headers can be configured globally axios.defaults.headers.common['User-Agent'] = 'webscraping.fyi'; // or for session instance: const instance = axios.create({ headers: {"User-Agent": "webscraping.fyi"}, }) ```

```python from twisted.internet import reactor from twisted.internet.task import react from twisted.internet.defer import ensureDeferred import treq # treq can be used with twisted's reactor with callbacks response_deferred = treq.get( "http://httpbin.org/get" ) # or POST response_deferred = treq.post( "http://httpbin.org/post", json={"key": "value"}, # JSON data={"key": "value"}, # Form Data ) # add callback or errback def handle_response(response): print(response.code) response.text().addCallback(lambda body: print(body)) def handle_error(failure): print(failure) # this callback will be called when request completes: response_deferred.addCallback(handle_response) # this errback will be called if request fails response_deferred.addErrback(handle_error) # this will be called if request completes or fails: response_deferred.addBoth(lambda _: reactor.stop()) # close twisted once finished if __name__ == '__main__': reactor.run() #Note that treq can also be used with async/await: async def main(): # content reads response data and get sends a get request: print(await treq.content(await treq.get("https://example.com/"))) if __name__ == '__main__': react(lambda reactor: ensureDeferred(main())) ``` ```

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