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https://github.com/teamhide/fastapi-boilerplate
FastAPI boilerplate for real world production
https://github.com/teamhide/fastapi-boilerplate
api asyncio boilerplate fastapi fastapi-boilerplate fastapi-template python sqlalchemy sqlalchemy-async
Last synced: about 1 month ago
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FastAPI boilerplate for real world production
- Host: GitHub
- URL: https://github.com/teamhide/fastapi-boilerplate
- Owner: teamhide
- Created: 2020-03-19T13:15:06.000Z (over 4 years ago)
- Default Branch: master
- Last Pushed: 2024-05-26T12:03:46.000Z (6 months ago)
- Last Synced: 2024-09-29T02:21:20.683Z (about 2 months ago)
- Topics: api, asyncio, boilerplate, fastapi, fastapi-boilerplate, fastapi-template, python, sqlalchemy, sqlalchemy-async
- Language: Python
- Homepage:
- Size: 492 KB
- Stars: 1,062
- Watchers: 9
- Forks: 169
- Open Issues: 13
-
Metadata Files:
- Readme: README.md
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README
# FastAPI Boilerplate
# Features
- Async SQLAlchemy session
- Custom user class
- Dependencies for specific permissions
- Celery
- Dockerize(Hot reload)
- Event dispatcher
- Cache
## Run
### Launch docker
```shell
> docker-compose -f docker/docker-compose.yml up
```
### Install dependency
```shell
> poetry shell
> poetry install
```
### Apply alembic revision
```shell
> alembic upgrade head
```
### Run server
```shell
> python3 main.py --env local|dev|prod --debug
```
### Run test codes
```shell
> make test
```
### Make coverage report
```shell
> make cov
```
### Formatting
```shell
> pre-commit
```
## SQLAlchemy for asyncio context
```python
from core.db import Transactional, session
@Transactional()
async def create_user(self):
session.add(User(email="[email protected]"))
```
Do not use explicit `commit()`. `Transactional` class automatically do.
### Query with asyncio.gather()
When executing queries concurrently through `asyncio.gather()`, you must use the `session_factory` context manager rather than the globally used session.
```python
from core.db import session_factory
async def get_by_id(self, *, user_id) -> User:
stmt = select(User)
async with session_factory() as read_session:
return await read_session.execute(query).scalars().first()
async def main() -> None:
user_1, user_2 = await asyncio.gather(
get_by_id(user_id=1),
get_by_id(user_id=2),
)
```
If you do not use a database connection like `session.add()`, it is recommended to use a globally provided session.
### Multiple databases
Go to `core/config.py` and edit `WRITER_DB_URL` and `READER_DB_URL` in the config class.
If you need additional logic to use the database, refer to the `get_bind()` method of `RoutingClass`.
## Custom user for authentication
```python
from fastapi import Request
@home_router.get("/")
def home(request: Request):
return request.user.id
```
**Note. you have to pass jwt token via header like `Authorization: Bearer 1234`**
Custom user class automatically decodes header token and store user information into `request.user`
If you want to modify custom user class, you have to update below files.
1. `core/fastapi/schemas/current_user.py`
2. `core/fastapi/middlewares/authentication.py`
### CurrentUser
```python
class CurrentUser(BaseModel):
id: int = Field(None, description="ID")
```
Simply add more fields based on your needs.
### AuthBackend
```python
current_user = CurrentUser()
```
After line 18, assign values that you added on `CurrentUser`.
## Top-level dependency
**Note. Available from version 0.62 or higher.**
Set a callable function when initialize FastAPI() app through `dependencies` argument.
Refer `Logging` class inside of `core/fastapi/dependencies/logging.py`
## Dependencies for specific permissions
Permissions `IsAdmin`, `IsAuthenticated`, `AllowAll` have already been implemented.
```python
from core.fastapi.dependencies import (
PermissionDependency,
IsAdmin,
)
user_router = APIRouter()
@user_router.get(
"",
response_model=List[GetUserListResponseSchema],
response_model_exclude={"id"},
responses={"400": {"model": ExceptionResponseSchema}},
dependencies=[Depends(PermissionDependency([IsAdmin]))], # HERE
)
async def get_user_list(
limit: int = Query(10, description="Limit"),
prev: int = Query(None, description="Prev ID"),
):
pass
```
Insert permission through `dependencies` argument.
If you want to make your own permission, inherit `BasePermission` and implement `has_permission()` function.
**Note. In order to use swagger's authorize function, you must put `PermissionDependency` as an argument of `dependencies`.**
## Event dispatcher
Refer the README of https://github.com/teamhide/fastapi-event
## Cache
### Caching by prefix
```python
from core.helpers.cache import Cache
@Cache.cached(prefix="get_user", ttl=60)
async def get_user():
...
```
### Caching by tag
```python
from core.helpers.cache import Cache, CacheTag
@Cache.cached(tag=CacheTag.GET_USER_LIST, ttl=60)
async def get_user():
...
```
Use the `Cache` decorator to cache the return value of a function.
Depending on the argument of the function, caching is stored with a different value through internal processing.
### Custom Key builder
```python
from core.helpers.cache.base import BaseKeyMaker
class CustomKeyMaker(BaseKeyMaker):
async def make(self, function: Callable, prefix: str) -> str:
...
```
If you want to create a custom key, inherit the BaseKeyMaker class and implement the make() method.
### Custom Backend
```python
from core.helpers.cache.base import BaseBackend
class RedisBackend(BaseBackend):
async def get(self, key: str) -> Any:
...
async def set(self, response: Any, key: str, ttl: int = 60) -> None:
...
async def delete_startswith(self, value: str) -> None:
...
```
If you want to create a custom key, inherit the BaseBackend class and implement the `get()`, `set()`, `delete_startswith()` method.
Pass your custom backend or keymaker as an argument to init. (`/app/server.py`)
```python
def init_cache() -> None:
Cache.init(backend=RedisBackend(), key_maker=CustomKeyMaker())
```
### Remove all cache by prefix/tag
```python
from core.helpers.cache import Cache, CacheTag
await Cache.remove_by_prefix(prefix="get_user_list")
await Cache.remove_by_tag(tag=CacheTag.GET_USER_LIST)
```