https://github.com/telegram-rs/telegram-bot

Rust Library for creating a Telegram Bot
https://github.com/telegram-rs/telegram-bot

telegram telegram-bot tokio

Last synced: about 2 months ago
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Rust Library for creating a Telegram Bot

• Host: GitHub
• URL: https://github.com/telegram-rs/telegram-bot
• Owner: telegram-rs
• License: mit
• Created: 2015-06-26T09:55:12.000Z (about 9 years ago)
• Default Branch: main
• Last Pushed: 2023-03-02T09:13:48.000Z (over 1 year ago)
• Last Synced: 2024-04-26T08:22:04.035Z (5 months ago)
• Topics: telegram, telegram-bot, tokio
• Language: Rust
• Size: 15.7 MB
• Stars: 929
• Watchers: 21
• Forks: 158
• Open Issues: 52
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

        
Rust Telegram Bot Library

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

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      Documentation:

      Latest crates.io version

      master

    

  

A library for writing your own [Telegram](https://telegram.org/) bots. More information [here](https://core.telegram.org/bots). Official API [here](https://core.telegram.org/bots/api).

## Example

Here is a simple example (see [`example/simple.rs`](https://github.com/telegram-rs/telegram-bot/blob/master/lib/examples/simple.rs)):

``` rust

use std::env;

use futures::StreamExt;

use telegram_bot::*;

#[tokio::main]

async fn main() -> Result<(), Error> {

    let token = env::var("TELEGRAM_BOT_TOKEN").expect("TELEGRAM_BOT_TOKEN not set");

    let api = Api::new(token);

    // Fetch new updates via long poll method

    let mut stream = api.stream();

    while let Some(update) = stream.next().await {

        // If the received update contains a new message...

        let update = update?;

        if let UpdateKind::Message(message) = update.kind {

            if let MessageKind::Text { ref data, .. } = message.kind {

                // Print received text message to stdout.

                println!("<{}>: {}", &message.from.first_name, data);

                // Answer message with "Hi".

                api.send(message.text_reply(format!(

                    "Hi, {}! You just wrote '{}'",

                    &message.from.first_name, data

                )))

                .await?;

            }

        }

    }

    Ok(())

}

```

You can find a bigger examples in the `examples`.

## Usage

This library is available via `crates.io`. In order to use it, just add this to your `Cargo.toml`:

```

telegram-bot = "0.7"

```

The library allows you to do E2E-testing of your bot easily: just specify `TELEGRAM_API_URL` environment variable to point to your fake Telegram test server.

A lot of diagnostic information can be collected with [tracing](https://crates.io/crates/tracing) framework, see [`example/tracing.rs`](https://github.com/telegram-rs/telegram-bot/blob/master/lib/examples/tracing.rs)).

## Collaboration

Yes please! Every type of contribution is welcome: Create issues, hack some code or make suggestions. Don't know where to start? Good first issues are tagged with [up for grab](https://github.com/telegram-rs/telegram-bot/issues?q=is%3Aissue+is%3Aopen+label%3A%22up+for+grab%22).