# index_flask.py
from reactpy import component, html
@component
def Index():
 return html.div(
 html.h1('Test Flask App'),
 html.h2('Hello World'),
 )

# main-flask.py
from index_flask import Index
from reactpy.backend.flask import configure, Flask
app = Flask(__name__)
app.config['debug'] = True
configure(app, Index)
print(app.url_map)

# startup it
gunicorn main-flask:app --reload

(.venv) ➜ recatpy_ gunicorn main-flask:app --reload
[2023年08月29日 15:46:36 +0700] [81626] [INFO] Starting gunicorn 21.2.0
[2023年08月29日 15:46:36 +0700] [81626] [INFO] Listening at: http://127.0.0.1:8000 (81626)
[2023年08月29日 15:46:36 +0700] [81626] [INFO] Using worker: sync
[2023年08月29日 15:46:36 +0700] [81627] [INFO] Booting worker with pid: 81627
Map([<Rule '/_reactpy/stream' (OPTIONS, HEAD, GET) -> reactpy_api_4392762960.without_path>,
 <Rule '/' (OPTIONS, HEAD, GET) -> reactpy_spa_4392762960.send_client_dir>,
 <Rule '/_reactpy/modules/<path>' (OPTIONS, HEAD, GET) -> reactpy_api_4392762960.send_modules_dir>,
 <Rule '/_reactpy/stream/<path>' (OPTIONS, HEAD, GET) -> reactpy_api_4392762960.with_path>,
 <Rule '/_reactpy/assets/<path>' (OPTIONS, HEAD, GET) -> reactpy_api_4392762960.send_assets_dir>,
 <Rule '/static/<filename>' (OPTIONS, HEAD, GET) -> static>,
 <Rule '/<_>' (OPTIONS, HEAD, GET) -> reactpy_spa_4392762960.send_client_dir>])

(.venv) ➜ recatpy_ pip list freeze
Package Version
------------------ ---------
aiohttp 3.8.5
aiosignal 1.3.1
annotated-types 0.5.0
anyio 3.7.1
asgiref 3.7.2
async-timeout 4.0.3
attrs 23.1.0
blinker 1.6.2
certifi 2023年7月22日
charset-normalizer 3.2.0
click 8.1.7
colorlog 6.7.0
fastapi 0.103.0
fastjsonschema 2.18.0
Flask 2.3.3
Flask-Cors 4.0.0
flask-sock 0.6.0
frozenlist 1.4.0
h11 0.14.0
httpcore 0.17.3
httptools 0.6.0
httpx 0.24.1
idna 3.4
itsdangerous 2.1.2
Jinja2 3.1.2
jsonpatch 1.33
jsonpointer 2.4
lxml 4.9.3
markdown-it-py 3.0.0
MarkupSafe 2.1.3
mdurl 0.1.2
multidict 6.0.4
mypy-extensions 1.0.0
pip 23.2.1
pydantic 2.3.0
pydantic_core 2.6.3
Pygments 2.16.1
python-dotenv 1.0.0
PyYAML 6.0.1
reactpy 1.0.2
reactpy-router 0.1.0
requests 2.31.0
rich 13.5.2
setuptools 68.1.2
simple-websocket 0.10.1
sniffio 1.3.0
starlette 0.27.0
typing_extensions 4.7.1
urllib3 2.0.4
uvicorn 0.23.2
uvloop 0.17.0
watchfiles 0.20.0
websockets 11.0.3
Werkzeug 2.3.7
wsproto 1.2.0
yarl 1.9.2