Stack Overflow Asked by Shaul.Sondak on January 1, 2022
I’m a novice python developer with very basic knowledge of this platform. We received a python app developed on Mac/Linux from a 3rd parry (consultant company), and I’m having trouble bind it to IIS on a WINDOWS WEB server.
Setting:
Configuration:
Create a site under IIS (port 8051 in my test) and set the physical path to the folder where the runserver.py and web.config files reside.
Successful Simple Test
runserver.py
from flask import Flask
app = Flask(__name__)
from datetime import datetime
from urllib.parse import urlparse
from flask import request
import socket
app.debug = True
@app.route('/')
def kuki():
return "Hello from flask over IIS. host:[{}], url:[{}], TS:[{}]".format(socket.gethostname(), request.base_url, datetime.now())
if __name__ == '__main__':
app.run()
web.config
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<system.webServer>
<handlers>
<remove name="PythonHandler" />
<add
name="PythonHandler"
path="*"
verb="*"
modules="FastCgiModule"
scriptProcessor="c:python3_8_1python.exe|c:python3_8_1Libsite-packageswfastcgi.py"
resourceType="Unspecified"
requireAccess="Script"
/>
</handlers>
</system.webServer>
<appSettings>
<add key="PYTHONPATH" value="D:_MyPythonHelloFlask" />
<add key="WSGI_HANDLER" value="runserver.app" />
<add key="WSGI_LOG" value="D:_MyPythonHelloFlasklogHelloFlask.log" />
</appSettings>
</configuration>
Problem running the full python app
The py -m application command is successfully launching the service
Can someone advice how to set the web.config file to enable successful IIS binding?
Thanks,
Shaul
index.py:
# Import Application level packages
import dash_html_components as html
import dash_bootstrap_components as dbc
# Import other neccessary classes, objects in project
from app import dash_app
from xxx import XXX
...
...
# Import Application dependent packages
import random
from datetime import date
random.seed(date.today())
# Set the app's HTML title
dash_app.title = "**** *****"
# Set the app's overall layout.
# Each Content Element is imported by reference and
# elements in each container will change dynamically (when respective callback is fired) as user enters inputs.
dash_app.layout = html.Div(
....
....
....
)
ContentElement.init_all_callbacks(skip=[])
# Start flask server
flask_app = dash_app.server
# Run application
def run():
# open webbrowser automatically:
if Config.AUTOOPEN:
import threading, webbrowser
url = f"http://{Config.HOST}:{Config.PORT}"
# Wait for 2.25 seconds initially for dash to process the app initially
threading.Timer(2.25, lambda: webbrowser.open(url)).start()
# Add debug=Config.DEBUG as a parameter in order to debug in front-end
dash_app.run_server(host=Config.HOST, port=Config.PORT)
app.py:
# Import OS level packages
import os
# Import Application level packages
from flask import send_from_directory
import dash
import dash_bootstrap_components as dbc
# Pull in bootstrap darkly stylesheet
external_stylesheets = [
r"assets/bootstrap_style.css"
]
# Create instance of dash app
dash_app = dash.Dash(__name__, external_stylesheets=external_stylesheets, url_base_pathname=Config.URL_BASE_PATH)
# Create instance of dash server
server = dash_app.server
Created a new entry_point.py :
import app
from index import flask_app
from index import run
if __name__ == "__main__":
# Main entry point for app
run()
web.config:
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<system.webServer>
<handlers>
<remove name="PythonHandler"/>
<add name="PythonHandler" path="*" verb="*" modules="FastCgiModule" scriptProcessor="c:python3_8_1python.exe|c:python3_8_1Libsite-packageswfastcgi.py"
resourceType="Unspecified" requireAccess="Script"/>
</handlers>
</system.webServer>
<appSettings>
<add key="PYTHONPATH" value="D:_MyPythonTCO_WIP2TCO"/>
<add key="WSGI_HANDLER" value="entry_point.flask_app"/>
<add key="WSGI_LOG" value="D:_MyPythonTCO_WIP2TCOLogTCO_WIP2.log"/>
</appSettings>
</configuration>
Thanks,
Shaul
Answered by Shaul.Sondak on January 1, 2022
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