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https://github.com/alttch/tebot

Telegram bot library for Python and humans
https://github.com/alttch/tebot

bot library messenger python python3 robot telegram

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Telegram bot library for Python and humans

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# TeBot - Telegram bot library for Python and humans

The goal is to to keep it simple.



## How to install

```shell
pip3 install tebot
```

## How to use

### Start bot

If your project uses [neotasker](https://github.com/alttch/neotasker)

```python
from tebot import TeBot

# delay - delay between pollings, must be specified
mybot = TeBot(delay=2)
# obtain token from https://telegram.me/BotFather
mybot.set_token('botsecrettoken')
# optionally - load previous state
import json
with open('bot-state.json') as fh:
mybot.load(json.loads(fh.read()))
# start bot
mybot.start()
```

If it doesn't:

```python
from neotasker import task_supervisor
from tebot import TeBot

task_supervisor.create_aloop('default', default=True)
task_supervisor.start()
mybot = TeBot(delay=2)
mybot.set_token('botsecrettoken')
mybot.start()
```

(refer to **neotasker** documentation for more info)

### Stop bot

```python
mybot.stop()
# if your project doesn't use neotasker
task_supervisor.stop()
# optionally - save bot state
with open('bot-state.json', 'w') as fh:
fh.write(json.dumps(mybot.serialize()))
```

### Send messages

```python
# text
mybot.send(text='hello world', chat_id=chat_id)
# files
with open('image.jpg', 'rb') as fh:
mybot.send(media=fh.read(), chat_id=chat_id)
```

If message is being sent from the handler and *chat_id* is not specified,
current chat ID is used:

```python
@mybot.route(path='/start')
def start(**kwargs):
mybot.send('bot started')
```

### Download files

```python
def somehandler(**kwargs):
payload = kwargs.get('payload')
if 'document' in payload:
try:
content = mybot.get_file_content(payload['document'].get('file_id'))
# process file content
except:
# unable to download file
```

### High-level API: routes

**TeBot** has flask-style routes, which may be registered either by calling

```python
mybot.register_route(fn, path, methods)
```

or with function decorator:

```python
# message handler. can be only one, registered to handle all regular messages
@mybot.route(methods='message')
def my_message(chat_id, text, **kwargs):
# some code

# command handler for /start and /help
@mybot.route(path=['/start', '/help'])
def start(**kwargs):
mybot.send('got HELP command')

# command and callback query handler
@mybot.route(methods='*')
def default_cmd_handler(path, **kwargs):
mybot.send(f'command not implemented: {path}')
```

#### Route parameters

* **path** command path, can be string or list/tuple for multiple commands

* **methods** can be either a string or a list/tuple. Valid values are:
"message", "command" (default if no methods specified) and
"query" / "callback_query". If "\*" specified, the method is registered for
both commands and callback queries

#### Handler kwargs

The following kwargs are sent to registered handlers:

* **text** message text (only for message handler)

* **path** command path (e.g. "/select" for "/select \* from data")

* **query_string** command query string (e.g. "\* from data" for the above
example)

* **chat_id** current chat id

* **query_id** callback query id, if handler is executed as a callback query
handler

* **payload** full request payload

* **method** "command" or "query" for callback query

#### Handler return data

* If command is handled, the handler may return nothing

* If callback query is handled, the handler may return dict, which is used as a
payload for the callback query answer (e.g. include "url", "show_alert" etc,
see Telegram Bot API for more details)

### Low-level API: handlers

Override class methods:

* **handle_message** handle regular messages

* **handle_command** handle commands (starting
with '/')

* **handle_query** handle callback queries

* **on_message** override to implement advanced message handling

* **on_query** override to implement advanced callback query handling

## Bot options

```python
mybot.timeout = 5 # set Telegram API timeout (default: 10 sec)
mybot.retry_interval = 1 # if API command fails, re-send it in 1 second
# (default: None, don't re-send)
```

## Web hooks

To use web hooks, init bot object, **but don't start it**. Use
*process_update(payload)* method to process webhook payloads.

TeBot doesn't have own web server module, you may use any available.

To register webhook, use *set_webhook* bot object method (args are the same as
for https://core.telegram.org/bots/api#setwebhook)

To delete webhook, use *delete_webhook* bot object method (no args required).

## Everything else

Refer to function pydoc for more info.