https://github.com/aesiniath/http-streams

Haskell HTTP client library for use with io-streams
https://github.com/aesiniath/http-streams

Last synced: about 2 months ago
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Haskell HTTP client library for use with io-streams

• Host: GitHub
• URL: https://github.com/aesiniath/http-streams
• Owner: aesiniath
• License: bsd-3-clause
• Created: 2012-12-13T03:59:53.000Z (over 11 years ago)
• Default Branch: main
• Last Pushed: 2023-10-20T05:41:32.000Z (8 months ago)
• Last Synced: 2024-03-26T23:23:20.509Z (3 months ago)
• Language: Haskell
• Homepage: https://hackage.haskell.org/package/http-streams
• Size: 748 KB
• Stars: 50
• Watchers: 3
• Forks: 48
• Open Issues: 19
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

Lists

• awesome-http - http-streams - streams |   (Programming Languages / Haskell)

README

        
An HTTP client

==============

An HTTP client library for Haskell using the Snap Framework's

[io-streams](https://hackage.haskell.org/package/io-streams) library to handle

the streaming IO.

A common case in writing RESTful web services is needing to make onward calls

to further servers. This package is intended to make this easy to do.

Though originally written for making calls from web apps written with

Snap, you can use this from any library or framework.

Enjoy!

Example

-------

The underlying API is very simple:

```haskell

main :: IO ()

main = do

    c <- openConnection "www.example.com" 80

    

    let q = buildRequest1 $ do

                http GET "/"

                setAccept "text/html"

    

    sendRequest c q emptyBody

    

    receiveResponse c (\p i -> do

    	putStr $ show p

    	x <- Streams.read i

    	S.putStr $ fromMaybe "" x)

    

    closeConnection c

```

There are also convenience functions for the common case of making

straight-forward GET and POST requests; for instance:

```haskell

    get "http://www.example.com/" (\_ i -> Streams.connect i stdout)

```

will _{ahem}_ stream the response body to stdout. Perhaps more

interesting (though less streams-oriented), is simply getting the

response as a ByteString using one of the pre-defined handlers:

```haskell

    x' <- get "https://secure.example.com/" concatHandler

```

See the documentation in

[Network.Http.Client](https://hackage.haskell.org/package/http-streams/docs/Network-Http-Client.html)

for further examples and details of usage of the API.