Ecosyste.ms: Awesome
An open API service indexing awesome lists of open source software.
https://github.com/yezz123/yasgi
yasgi is a tiny ASGI framework ✨
https://github.com/yezz123/yasgi
asgi framework http python requests uvicorn websocket
Last synced: about 1 month ago
JSON representation
yasgi is a tiny ASGI framework ✨
- Host: GitHub
- URL: https://github.com/yezz123/yasgi
- Owner: yezz123
- License: gpl-3.0
- Created: 2022-09-10T00:34:01.000Z (over 2 years ago)
- Default Branch: main
- Last Pushed: 2024-04-29T23:21:58.000Z (8 months ago)
- Last Synced: 2024-05-01T16:25:27.706Z (8 months ago)
- Topics: asgi, framework, http, python, requests, uvicorn, websocket
- Language: Python
- Homepage:
- Size: 44.9 KB
- Stars: 8
- Watchers: 2
- Forks: 1
- Open Issues: 5
-
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE
- Codeowners: .github/CODEOWNERS
Awesome Lists containing this project
README
Yasgi framework a tiny, small, easy to learn, fast to code ⚡️
Yasgi is a tiny, small (high-performance), web framework for building APIs with Python 3.9+ using orjson.
The key features are:
* **Tiny**: Small size and performance.
* **Fewer bugs**: Reduce about 40% of human (developer) induced errors.
* **Intuitive**: Great editor support. Completion everywhere. Less time debugging.
* **Easy**: Designed to be easy to use, Play and Plug.
* **Short**: Minimize code duplication. Multiple features from each parameter declaration. Fewer bugs.
## Installation
```console
$ pip install yasgi
---> 100%
```
You will also need an ASGI server, for production such as Uvicorn or Hypercorn.
```console
$ pip install "uvicorn[standard]"
---> 100%
```
## Example
### Create it
* Create a file `main.py` with:
```py
from yasgi import YASGI, Routing
app = YASGI(content_type="text/html")
@Routing("/endpoint", methods=["GET", "POST"])
async def endpoint(Request, Response):
# set response header
Response.add_header("X-header", "hello")
# set response cookie
Response.set_cookie("cookie_from_server", "384")
# set response body
return "hello world"
```
Now you should run it!
### Run it
Run the server with:
```console
$ uvicorn main:app --reload
INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO: Started reloader process [28720]
INFO: Started server process [28722]
INFO: Waiting for application startup.
INFO: Application startup complete.
```
The command `uvicorn main:app` refers to:
* `main`: the file `main.py` (the Python "module").
* `app`: the object created inside of `main.py` with the line `app = YASGI()`.
* `--reload`: make the server restart after code changes. Only do this for development.
### Initializing
```py
from yasgi import YASGI
application = YASGI(content_type="application/json", allow="*", charset="UTF-8")
```
#### ASGI parameters
* `content_type` - specifies the default content type of generated responses (optional, default: `application/json`)
* `charset` - specifies the default charset generated responses (optional, default: `UTF-8`)
* `allow` - specifies global setting for `Access-Control-Allow-Origin` header - can be overwrite by passing that header to response headers (optional, default `None` - for public API should be set to `*`)
### Routing
#### Routers parameters
* `endpoint` - object should contain str or regex Pattern to match request path (mandatory)
* `type` - defines that routed is serving HTTP or WebSocket protocol (possible values: `http`, `websocket`; default: `http`)
* `methods` - list of HTTP methods to match request method - higher priority than method (optional, default: [`GET`], should be only be specified on `http` type routes)
* \*kwargs - other arguments - can be accessed by middleware in states `routed` and `end`
* `content-type`
#### Usage
Route is used as a decorator callable object you want to use as router method.
Router method takes two mandatory arguments `Request` and `Response` (explained below in a separate section).
Router method can also take variables from router regex match (if used).
#### HTTP Examples
```py
import re
from yasgi import Routing
# simple route
@Routing("/endpoint", method="GET")
# simple route method
async def routed_method_1(request, response):
# response return without status code & mime type
return "Response from route 1"
# re package import needed
@Routing(re.compile("/endpoint/(\d+)$"), methods=["GET", "POST"])
# regex route, with multiple methods
async def routed_method_2(request, response, number):
# full response return
return f"Response from route - url_number is: {number}", "200 OK", "text/html"
@Routing("/endpoint3", methods=["GET", "POST"])
#simple route, with multiple methods
async def routed_method_2(request, response):
# alternatively can be called response method set to set response
response.set("Response by set")
```
### Raise HTTP status
Raise HTTPStatus is used to raise HTTP status code, and optional message.
```py
from http import HTTPStatus
from yasgi import Routing
@Routing("/raise_endpoint", methods=["POST"])
async def routed_method_2(request, response):
if not request.data:
raise HTTPStatus("400 BAD REQUEST", "400 BAD REQUEST")
return "data sent"
```
### Request & Response objects
Instances of these object are given to every function that is called with `@Routing` decorator.
```py
from yasgi import Routing
@Routing("/endpoint", method="GET")
async def endpoint(Request, Response):
# instances of Request and Response objects
pass
```
#### Request items and methods (HTTP)
* `method` - request method (GET, POST etc.) : read only
* `path` - request path: read only
* `query_params` - `dict` of query_string parameters
* `data` - request parsed data (json, -www-form-urlencoded, multipart/form-data) : read only
* `headers` - HTTP headers : read only (may contain `content_length` and `content_type` in post requests)
* `cookies` - dict contains `SimpleCookie` object of every cookie loaded
* `scope` - raw asgi scope object
* `event` - raw asgi event object
#### Response items and methods (HTTP)
* `content_type` - response content-type : read only - can be specified in route
* `charset` - response encoding; default: `UTF-8`
* `headers` - `list` of response headers:
* `redirect(location, status)` - redirects response to (`location`, `status` if not provide is set to `302`)
* `set_cookie(name, value, expires=None, maxAge=None, **kwargs)` - adds cookie to response with obvious parameters, you can alow add additional arguments (`kwargs`) such as `Domain`, `Path`, `Secure`, `HttpOnly`
* `add_header(name, value)` - adds header to response
* `process(data, status=200)` - allow to manual process response
## Development 🚧
### Setup environment 📦
You should create a virtual environment and activate it:
```bash
python -m venv venv/
```
```bash
source venv/bin/activate
```
And then install the development dependencies:
```bash
# Install Flit
pip install flit
# Install dependencies
flit install --symlink
```
### Run tests 🌝
You can run all the tests with:
```bash
bash scripts/test.sh
```
> Note: You can also generate a coverage report with:
```bash
bash scripts/test_html.sh
```
### Format the code 🍂
Execute the following command to apply `pre-commit` formatting:
```bash
bash scripts/format.sh
```
Execute the following command to apply `mypy` type checking:
```bash
bash scripts/lint.sh
```
## License
This project is licensed under the terms of the [GNU GENERAL PUBLIC LICENSE Version 3](https://www.gnu.org/licenses/gpl-3.0.en.html).