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---
icon: simple/flask
---
As a `Flask` user, you can use the power of `HTTPX` using its synchronous interface.
Here is a simple example:
``` python
from flask import Flask
from httpx import Client
from httpx import Limits
app = Flask(__name__)
client = Client(limits=Limits(max_connections=1000))
@app.route("/")
def main():
response = client.get('https://www.encode.io')
return str(response.status_code)
```
Now let's do some load testing using the popular load testing tool [Locust](https://locust.io/).
[Here are](https://raw.githubusercontent.com/karpetrosyan/hishel/master/docs/static/flask_without_cache.png) the test results:
<a href="https://raw.githubusercontent.com/karpetrosyan/hishel/master/docs/static/flask_without_cache.png">
<img src="https://raw.githubusercontent.com/karpetrosyan/hishel/master/docs/static/flask_without_cache.png" alt="pypi">
</a>
We got only **±20 RPS**, which is not very good.
Now let's change the `httpx.Client` to `hishel.CacheClient` and do the same tests again.
``` python hl_lines="2 6"
from flask import Flask
from hishel import CacheClient
from httpx import Limits
app = Flask(__name__)
client = CacheClient(limits=Limits(max_connections=1000))
@app.route("/")
def main():
response = client.get('https://www.encode.io')
return str(response.status_code)
```
[Here are](https://raw.githubusercontent.com/karpetrosyan/hishel/master/docs/static/flask_with_cache.png) the test results:
<a href="https://raw.githubusercontent.com/karpetrosyan/hishel/master/docs/static/flask_with_cache.png">
<img src="https://raw.githubusercontent.com/karpetrosyan/hishel/master/docs/static/flask_with_cache.png" alt="pypi">
</a>
Now we have more than **±800 RPS** using the power of HTTP caching.
|
