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flask-api-cache-0.1.1
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مشاهده بیشترتوضیحات
A tool for flask api cache with args
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | flask-api-cache-0.1.1 |
| نام | flask-api-cache |
| نسخه کتابخانه | 0.1.1 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Jimmy Yeh |
| ایمیل نویسنده | chienfeng0719@hotmail.com |
| آدرس صفحه اصلی | https://github.com/chienfeng0719/flask-api-cache |
| آدرس اینترنتی | https://pypi.org/project/flask-api-cache/ |
| مجوز | - |
# flask-api-cache
**A package for caching flask api with custom key.**
## Description:
A decorator for python flask api.
You can set cache in your **memory** or with **redis instance**,<br>
the key will be generated by the following rule:<br>
`{REQUEST_FULL_PATH}:{PARAMETER_STRING}`<br>
or you can use your custom key function by key_func args,<br>
the value will be your function return value.<br>
## How To Use:
### Import
```python
from flask_api_cache import ApiCache
```
### Parameters
|name|required|description|
|----|--------|-----------|
|redis|no|if you want to caching data in redis, you can call ApiCache with a redis instance.|
|expired_time|no|set your expired time with **seconds**, the default value is 24 * 60 * 60 seconds (1 day)|
|key_func|no|the function which you want to make custom key|
### Cache Without Redis
```python
@app.route('/example_1/<string:name>')
@ApiCache(expired_time=10)
def example_1(name):
"""
caching data in memory with default key.
- http://0.0.0.0:5000/example_1/jimmy
:param name:
:return:
"""
return jsonify(f'Hi {name}, it is {datetime.now()}')
```
If you request for **http://0.0.0.0:5000/example_1/jimmy**,<br>
it will set a 10 seconds cache by key: `example_1:/example_1/Jimmy?`,<br>
with value: `Hi jimmy, it is 2020-10-23 16:06:27.996358.`,
in your memory, it will be cleared after api service restart.
### Cache With Redis
```python
@app.route('/example_3/<string:items>')
@ApiCache(redis=redis_instance, expired_time=10)
def example_3(items):
"""
caching data in redis instance with default key.
- http://0.0.0.0:5000/example_3/coffee
:param items:
:return:
"""
return jsonify(f'You bought {items} at {datetime.now()}')
```
If you request for **http://0.0.0.0:5000/example_3/coffee**,<br>
it will set a 10 seconds cache by key: `example_3:/example_3/coffee?`,<br>
with value: `You bought coffee at 2020-10-23 16:06:59.904216`,
in your redis instance.
### Cache With Custom Function
```python
def custom_func_2(**kwargs):
items = kwargs.get('items')
price = kwargs.get('price')
keys = f'{items}:{price}'
return keys
@app.route('/example_4/<string:items>/<int:price>')
@ApiCache(redis=redis_instance, key_func=custom_func_2, expired_time=10)
def example_4(items, price):
"""
caching data in redis instance with custom function.
- http://0.0.0.0:5000/example_4/coffee/20
:param items:
:param price:
:return:
"""
return jsonify(f'You bought {items} at {datetime.now()}, it cost ${price}')
```
If you request for **http://0.0.0.0:5000/example_4/coffee/20** ,<br>
it will set a 10 seconds cache by key: `coffee:20`,<br>
with value: `You bought coffee at 2020-10-23 16:07:59.818357, it cost $20`,
in your memory, it will be cleared after service restart.
### [Sample Code](https://github.com/chienfeng0719/flask-api-cache/blob/develop/example.py)
```python
# -*- coding: utf-8 -*-
"""
┏┓ ┏┓
┏━┛┻━━━━━━━┛┻━┓
┃ ☃ ┃
┃ ┳┛ ┗┳ ┃
┃ ┻ ┃
┗━┓ ┏━┛
┗┳ ┗━┓
┃ ┣┓
┃ ┏┛
┗┓┓┏━━━━┳┓┏┛
┃┫┫ ┃┫┫
┗┻┛ ┗┻┛
God Bless,Never Bug
"""
import redis
from flask import Flask, request, jsonify
from flask_api_cache import ApiCache
from datetime import datetime
app = Flask(__name__)
redis_instance = redis.StrictRedis(host='redis', port=6379)
def custom_func_1(**kwargs):
name = kwargs.get('name')
age = kwargs.get('age')
sex = kwargs.get('sex')
keys = f'{name}:{age}:{sex}'
return keys
def custom_func_2(**kwargs):
items = kwargs.get('items')
price = kwargs.get('price')
keys = f'{items}:{price}'
return keys
"""GET"""
@app.route('/example_1/<string:name>', methods=['GET'])
@ApiCache(expired_time=10)
def example_1(name):
"""
caching data in memory with default key.
- http://0.0.0.0:5000/example_1/jimmy
:param name:
:return:
"""
return jsonify(f'Hi {name}, it is {datetime.now()}')
@app.route('/example_2/<string:name>/<int:age>', methods=['GET'])
@ApiCache(expired_time=10, key_func=custom_func_1)
def example_2(name, age):
"""
caching data in memory with custom function.
- http://0.0.0.0:5000/example_2/jimmy/18?sex=boy
:param name:
:param age:
:return:
"""
sex = request.args.get('sex', 'boy', str)
return jsonify(f'{name} is a {age} years old {sex}. {datetime.now()}')
@app.route('/example_3/<string:items>', methods=['GET'])
@ApiCache(redis=redis_instance, expired_time=10)
def example_3(items):
"""
caching data in redis instance with default key.
- http://0.0.0.0:5000/example_3/coffee
:param items:
:return:
"""
return jsonify(f'You bought {items} at {datetime.now()}')
@app.route('/example_4/<string:items>/<int:price>', methods=['GET'])
@ApiCache(redis=redis_instance, key_func=custom_func_2, expired_time=10)
def example_4(items, price):
"""
caching data in redis instance with custom function.
- http://0.0.0.0:5000/example_4/coffee/20
:param items:
:param price:
:return:
"""
return jsonify(f'You bought {items} at {datetime.now()}, it cost ${price}')
"""POST / PUT / DELETE"""
@app.route('/example_5/<string:name>', methods=['POST', 'PUT', 'DELETE'])
@ApiCache(expired_time=10)
def example_5(name):
"""
caching data in memory with default key.
- http://0.0.0.0:5000/example_5/jimmy
- payload:
{
"items": "coffee",
"price": 18
}
:param name:
:return:
"""
payload = request.json
result = dict()
result['payload'] = payload
result['greeting'] = f'Hi {name}, it is {datetime.now()}'
return jsonify(result)
@app.route('/example_6/<string:name>', methods=['POST', 'PUT', 'DELETE'])
@ApiCache(redis=redis_instance, expired_time=10)
def example_6(name):
"""
caching data in redis instance with default key.
- http://0.0.0.0:5000/example_6/jimmy
- payload:
{
"items": "coffee",
"price": 18
}
:param name:
:return:
"""
payload = request.json
result = dict()
result['payload'] = payload
result['greeting'] = f'Hi {name}, it is {datetime.now()}'
return result
@app.route('/example_7/<string:name>', methods=['POST', 'PUT', 'DELETE'])
@ApiCache(redis=redis_instance, key_func=custom_func_2, expired_time=10)
def example_7(name):
"""
caching data in redis instance with custom function.
- http://0.0.0.0:5000/example_7/jimmy
- payload:
{
"items": "coffee",
"price": 18
}
:param name:
:return:
"""
payload = request.json
result = dict()
result['payload'] = payload
result['greeting'] = f'Hi {name}, it is {datetime.now()}'
return result
if __name__ == '__main__':
app.run('0.0.0.0', port=5000, debug=True)
```
---
<a href="https://www.buymeacoffee.com/jimmyyyeh" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-blue.png" alt="Buy Me A Coffee" height="40" width="175"></a>
**Buy me a coffee, if you like it!**
نیازمندی
| مقدار | نام |
|---|---|
| ==1.1.2 | Flask |
| ==0.3.1 | memoization |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.6 | Python |
نحوه نصب
نصب پکیج whl flask-api-cache-0.1.1:
pip install flask-api-cache-0.1.1.whl
نصب پکیج tar.gz flask-api-cache-0.1.1:
pip install flask-api-cache-0.1.1.tar.gz