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https://github.com/miare-ir/unleash-django

Utilities for using Unleash in Django apps
https://github.com/miare-ir/unleash-django

django feature-flags feature-toggles unleash

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Utilities for using Unleash in Django apps

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# unleash-django

[![](https://img.shields.io/pypi/v/unleash-django-util)](https://pypi.org/project/unleash-django-util/) [![](https://img.shields.io/pypi/djversions/unleash-django-util)](https://pypi.org/project/unleash-django-util/)

This library is a wrapper for Unleash.io's [python](https://docs.getunleash.io/sdks/python_sdk)

It can wrap views and methods to run if only feature is enabled and return a fallback function
otherwise.

## Installation
```bash
$ pip install unleash-django-util
```

## Setting:
set following values in your settings:

* UNLEASH_API_TOKEN = 'your project token',default is 'default:development. unleash-insecure-api-token'
* UNLEASH_URL = 'the project url', default is 'https://app.unleash-hosted.com/demo/api/'
* UNLEASH_APP_NAME = 'the app name', default is 'miare'

## Use in Test Env:
set `UNLEASH_FAKE_INITIALIZE = True` in settings if no initialization is needed. By doing so no request is sent to Unleash server, neither for fetching flag status nor submitting metrics.

## Wrappers:
### Using view wrapper:

```python
from unleash_django.decorators.view_flag import view_flag

def fallback_func(self):
"""some code goes here"""

@view_flag('feature_name', fallback_func)
def get(self):
"""some code here"""
```

### Using method wrapper:

```python
from unleash_django.decorators.method_flag import method_flag

def fallback_func():
""" some code goes here """

@method_flag('feature_name', user_id=123)
def method():
""" some code goes here """
```

if a method feature flag is going to have a user based strategy, `user_id` should be provided

## Methods:

### is_enabled:

```python
from unleash_django.api.method import is_enabled

is_enabled('feature_name', context={'userId': '123'})
```

if feature flag is on, `True` will be returned, otherwise `False` unless `default` is set to
`True`.

### get_variant:

```python
from unleash_django.api.method import get_variant

get_variant('feature_name', context={'userId': '123'})
```

the result should be like:
```json lines
{
"name": "variant1",
"payload": {
"type": "string",
"value": "val1"
},
"enabled": True
}
```

### with_feature_flag:
```python
from unleash_django.api.method import with_feature_flag

def enabled_func():
"""some code goes here"""

def disabled_func():
"""some code goes here"""

with_feature_flag('feature_name', enabled_function=enabled_func, disabled_function=disabled_func)
```

It runs `enabled_function` if feature is on, otherwise `disabled_function` unless `default`
value is set to `True`

it is possible to pass functions with args and kwargs using tuple, dict or `FlagFunction`

## Change Log

### 0.4.4
* add a variable for fake initialization

### 0.4.3
* set level of logging

### 0.4.1
* added `get_variant` function