# AsyncIO DynamoDB
[](https://circleci.com/gh/HENNGE/aiodynamo)
[](https://github.com/psf/black)
[](https://aiodynamo.readthedocs.io/en/latest/?badge=latest)
Asynchronous pythonic DynamoDB client; **2x** faster than `aiobotocore/boto3/botocore`.
## Quick start
### With httpx
Install this library
`pip install "aiodynamo[httpx]"` or, for poetry users `poetry add aiodynamo -E httpx`
Connect to DynamoDB
```py
from aiodynamo.client import Client
from aiodynamo.credentials import Credentials
from aiodynamo.http.httpx import HTTPX
from httpx import AsyncClient
async with AsyncClient() as h:
client = Client(HTTPX(h), Credentials.auto(), "us-east-1")
```
### With aiohttp
Install this library
`pip install "aiodynamo[aiohttp]"` or, for poetry users `poetry add aiodynamo -E aiohttp`
Connect to DynamoDB
```py
from aiodynamo.client import Client
from aiodynamo.credentials import Credentials
from aiodynamo.http.aiohttp import AIOHTTP
from aiohttp import ClientSession
async with ClientSession() as session:
client = Client(AIOHTTP(session), Credentials.auto(), "us-east-1")
```
### API use
```py
table = client.table("my-table")
# Create table if it doesn't exist
if not await table.exists():
await table.create(
Throughput(read=10, write=10),
KeySchema(hash_key=KeySpec("key", KeyType.string)),
)
# Create or override an item
await table.put_item({"key": "my-item", "value": 1})
# Get an item
item = await table.get_item({"key": "my-item"})
print(item)
# Update an item, if it exists.
await table.update_item(
{"key": "my-item"}, F("value").add(1), condition=F("key").exists()
)
```
## Why aiodynamo
* boto3 and botocore are synchronous. aiodynamo is built for **asynchronous** apps.
* aiodynamo is **fast**. Two times faster than aiobotocore, botocore or boto3 for operations such as query or scan.
* aiobotocore is very low level. aiodynamo provides a **pythonic API**, using modern Python features. For example, paginated APIs are automatically depaginated using asynchronous iterators.
* **Legible source code**. botocore and derived libraries generate their interface at runtime, so it cannot be inspected and isn't typed. aiodynamo is hand written code you can read, inspect and understand.
* **Pluggable HTTP client**. If you're already using an asynchronous HTTP client in your project, you can use it with aiodynamo and don't need to add extra dependencies or run into dependency resolution issues.
[Complete documentation is here](https://aiodynamo.readthedocs.io/)
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