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https://github.com/flet-dev/flet
Flet enables developers to easily build realtime web, mobile and desktop apps in Python. No frontend experience required.
https://github.com/flet-dev/flet
android flutter ios python server-driven-ui web
Last synced: about 2 months ago
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Flet enables developers to easily build realtime web, mobile and desktop apps in Python. No frontend experience required.
- Host: GitHub
- URL: https://github.com/flet-dev/flet
- Owner: flet-dev
- License: apache-2.0
- Created: 2022-03-24T15:44:12.000Z (over 2 years ago)
- Default Branch: main
- Last Pushed: 2024-05-22T02:37:31.000Z (4 months ago)
- Last Synced: 2024-05-22T13:14:14.990Z (4 months ago)
- Topics: android, flutter, ios, python, server-driven-ui, web
- Language: Python
- Homepage: https://flet.dev
- Size: 32.1 MB
- Stars: 9,472
- Watchers: 116
- Forks: 365
- Open Issues: 411
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Roadmap: docs/roadmap.md
Awesome Lists containing this project
- awesomeLibrary - flet - Flet enables developers to easily build realtime web, mobile and desktop apps in Python. No frontend experience required. (语言资源库 / python)
- awesome-python-web-frameworks - Flet - Flet enables developers to easily build realtime web, mobile and desktop apps in Python. No frontend experience required. (Front-end frameworks / More)
README
# Flet
[](https://ci.appveyor.com/project/flet-dev/flet/branch/main)
Flet is a framework that enables you to easily build real-time web, mobile, and desktop apps in your favorite language and securely share them with your team. No frontend experience is required.
### ⚡From idea to app in minutes
An internal tool or a dashboard for your team, weekend project, data entry form, kiosk app, or high-fidelity prototype - Flet is an ideal framework to quickly hack great-looking interactive apps to serve a group of users.
### 📐 Simple architecture
No more complex architecture with JavaScript frontend, REST API backend, database, cache, etc. With Flet you just write a monolith stateful app in Python only and get multi-user, real-time Single-Page Application (SPA).
### 🔋Batteries included
To start developing with Flet, you just need your favorite IDE or text editor. No SDKs, no thousands of dependencies, no complex tooling - Flet has a built-in web server with assets hosting and desktop clients.
### 
Powered by Flutter
Flet UI is built with [Flutter](https://flutter.dev/), so your app looks professional and could be delivered to any platform. Flet simplifies the Flutter model by combining smaller "widgets" to ready-to-use "controls" with an imperative programming model.
### 🌐 Speaks your language
Flet is language-agnostic, so anyone on your team could develop Flet apps in their favorite language. [Python](https://flet.dev/docs/guides/python/getting-started) is already supported, Go, C# and others are [coming next](https://flet.dev/roadmap).
### 📱 Deliver to any device
Deploy Flet app as a web app and view it in a browser. Package it as a standalone desktop app for Windows, macOS, and Linux. Install it on mobile as [PWA](https://web.dev/what-are-pwas/) or view via Flet app for iOS and Android.
## Flet app example
At the moment you can write Flet apps in Python and other languages will be added soon.
Here is a sample "Counter" app:
```python title="counter.py"
import flet
from flet import IconButton, Page, Row, TextField, icons
def main(page: Page):
page.title = "Flet counter example"
page.vertical_alignment = "center"
txt_number = TextField(value="0", text_align="right", width=100)
def minus_click(e):
txt_number.value = str(int(txt_number.value) - 1)
page.update()
def plus_click(e):
txt_number.value = str(int(txt_number.value) + 1)
page.update()
page.add(
Row(
[
IconButton(icons.REMOVE, on_click=minus_click),
txt_number,
IconButton(icons.ADD, on_click=plus_click),
],
alignment="center",
)
)
flet.app(target=main)
```
To run the app install `flet` module:
```bash
pip install flet
```
and run the program:
```bash
python counter.py
```
The app will be started in a native OS window - what a nice alternative to Electron!
Now, if you want to run the app as a web app, just replace the last line with:
```python
flet.app(target=main, view=flet.AppView.WEB_BROWSER)
```
run again and now you instantly get a web app:
## Getting started
* [Creating Flet apps in Python](https://flet.dev/docs/guides/python/getting-started)
* [Controls reference](https://flet.dev/docs/controls)
## Sample apps in Python
* [Greeter](https://github.com/flet-dev/examples/blob/main/python/apps/greeter/greeter.py) ([Online Demo](https://gallery.flet.dev/greeter/))
* [Counter](https://github.com/flet-dev/examples/blob/main/python/apps/counter/counter.py) ([Online Demo](https://gallery.flet.dev/counter/))
* [To-Do](https://github.com/flet-dev/examples/blob/main/python/apps/todo/todo.py) ([Online Demo](https://gallery.flet.dev/todo/))
* [Icons Browser](https://github.com/flet-dev/examples/blob/main/python/apps/icons-browser/main.py) ([Online Demo](https://gallery.flet.dev/icons-browser/))
More demo applications can be found in the [gallery](https://flet.dev/gallery/).
## Community
* [Discussions](https://github.com/flet-dev/flet/discussions)
* [Discord](https://discord.gg/dzWXP8SHG8)
* [Twitter](https://twitter.com/fletdev)
* [Email](mailto:[email protected])
## Contribute to this wonderful project
* Read the CONTRIBUTING.md file