# aiomemoizettl [](https://circleci.com/gh/michalc/aiomemoizettl) [](https://codeclimate.com/github/michalc/aiomemoizettl/test_coverage)
Memoize asyncio Python calls with a per-result TTL
## Installation
```base
pip install aiomemoizettl
```
## Usage
For a coroutine whose arguments are hashable, you can create a _memoized_ version by passing it to `memoize_ttl`, along with a function that converts its return value to a TTL.
For example, the below
```python
import asyncio
from aiomemoizettl import memoize_ttl
async def main():
memoized = memoize_ttl(coro, get_ttl=lambda result: result['ttl'])
results = await asyncio.gather(*[
memoized(1),
memoized(2),
])
await asyncio.sleep(1)
results = await asyncio.gather(*[
memoized(1),
memoized(2), # Will used the cached value of `coro(2)`
])
async def coro(value):
print('Inside coro', value)
return {'ttl': value, 'some-other': 'data'}
loop = asyncio.get_event_loop()
loop.run_until_complete(main())
loop.close()
```
will output
```
Inside coro 1
Inside coro 2
Inside coro 1
```
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"description": "# aiomemoizettl [](https://circleci.com/gh/michalc/aiomemoizettl) [](https://codeclimate.com/github/michalc/aiomemoizettl/test_coverage)\n\nMemoize asyncio Python calls with a per-result TTL\n\n\n## Installation\n\n```base\npip install aiomemoizettl\n```\n\n\n## Usage\n\nFor a coroutine whose arguments are hashable, you can create a _memoized_ version by passing it to `memoize_ttl`, along with a function that converts its return value to a TTL.\n\nFor example, the below\n\n```python\nimport asyncio\nfrom aiomemoizettl import memoize_ttl\n\nasync def main():\n memoized = memoize_ttl(coro, get_ttl=lambda result: result['ttl'])\n results = await asyncio.gather(*[\n memoized(1),\n memoized(2),\n ])\n await asyncio.sleep(1)\n\n results = await asyncio.gather(*[\n memoized(1),\n memoized(2), # Will used the cached value of `coro(2)`\n ])\n\nasync def coro(value):\n print('Inside coro', value)\n return {'ttl': value, 'some-other': 'data'}\n\nloop = asyncio.get_event_loop()\nloop.run_until_complete(main())\nloop.close()\n```\n\nwill output\n\n```\nInside coro 1\nInside coro 2\nInside coro 1\n```\n\n\n",
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