Flask

问题 I have two websites (both are using Dash & Flask) on my IIS (Windows Server 2016). The first one is a minimal working example consisting of app.py and web.config. For somehow I cannot get the second site working. Below both examples and the error message is attached. 1 Working Example FastCGI-Settings: PYTHONPATH: C:\inetpub\wwwroot\mvp WSGI_HANDLER: app.server app.py import flask import dash import dash_core_components as dcc import dash_html_components as html server = flask.Flask(__name__)

问题 I have two websites (both are using Dash & Flask) on my IIS (Windows Server 2016). The first one is a minimal working example consisting of app.py and web.config. For somehow I cannot get the second site working. Below both examples and the error message is attached. 1 Working Example FastCGI-Settings: PYTHONPATH: C:\inetpub\wwwroot\mvp WSGI_HANDLER: app.server app.py import flask import dash import dash_core_components as dcc import dash_html_components as html server = flask.Flask(__name__)

问题 So I'm just using the FileField to add files to the server and it worked the time I tested it on Heroku (by worked I mean the image was rendering properly, granted I should be using some more proper ways to render images), but after a couple days I checked again and the image is no longer rendering properly. I checked my uploads folder and the image is not there any longer (one of the old images were). I ran the test again and the image is showing but the picture file is not in the uploads

问题 I'm having this form with this validator for uniqueness: class CreateTypeForm(FlaskForm): type_name = StringField("Type", validators=[DataRequired()]) description = TextAreaField("Description") submit = SubmitField("Create") def validate_type_name(self, type_name): typeName = mongo.db.types.find_one({"type_name": type_name.data}) if typeName: raise ValidationError("The type already exists.") But need to alter the validator for the form I have when I edit my type : class EditTypeForm(FlaskForm

问题 I'm having this form with this validator for uniqueness: class CreateTypeForm(FlaskForm): type_name = StringField("Type", validators=[DataRequired()]) description = TextAreaField("Description") submit = SubmitField("Create") def validate_type_name(self, type_name): typeName = mongo.db.types.find_one({"type_name": type_name.data}) if typeName: raise ValidationError("The type already exists.") But need to alter the validator for the form I have when I edit my type : class EditTypeForm(FlaskForm

问题 I am working on a flask app and using mongodb with it. In one endpoint i took csv files and inserts the content to mongodb with insert_many() . Before inserting i am creating a unique index for preventing duplication on mongodb. When there is no duplication i can reach inserted_ids for that process but when it raises duplication error i get None and i can't get inserted_ids . I am using ordered=False also. Is there any way that allows me to get inserted_ids even with duplicate key error ? def

问题 I've prepared a script that was using requests-html which was working fine. I deployed it in the flask app and now it's giving me RuntimeError: There is no current event loop in thread 'Thread-3'. Here's the full error: Traceback (most recent call last): File "C:\Users\intel\AppData\Local\Programs\Python\Python38\Lib\site-packages\flask\app.py", line 2464, in __call__ return self.wsgi_app(environ, start_response) . . . File "C:\Users\intel\Desktop\One page\main.py", line 18, in hello_world r

问题 Basically, I have a socket io flask code: import cv2 import numpy as np from flask import Flask, render_template from flask_socketio import SocketIO, emit from threading import Lock,Timer as tmr from engineio.payload import Payload import base64 from PIL import Image import io app = Flask(__name__) app.config['SECRET_KEY'] = 'secret!' socketio = SocketIO(app) @socketio.on('connect') def connect(): print("a client connected") @socketio.on('disconnect') def disconnect(): print('Client

问题 so i have this html template that i am using as mail template to send my users for reset their password's. i want to use bootstrap 4 classes in the template but it's not working. How do i make this work ? I've tried inline css and it works fine but i want to use bootstrap 4 css . Any help would be appreciated. HTML template <!DOCTYPE html> <html lang="en" dir="ltr"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>{{title}}</title>

问题 I'm programming a Website with Authentification while using the Flask Framework. I've tried every solution that i found on the internet but nothing worked for me. My first idea was, that the Project Structure was corrupt. e.g. missing imports from other files. But thats not the problem i think. My models.py File: from flask_login import UserMixin, LoginManager from flaskapp import db, login_manager @login_manager.user_loader def get_user(user): try: return get_id(user) except: return None