How do I convert a unicode header to byte string in Flask?

I have a flask app that I've been able to get running on my development server. However, when I try to run the same app under mod_wsgi I get an error: TypeError: expected byte string object for...

How to compress/minimize size of JSON/Jsonify with Flask in Python?

I'm sending a huge JSON string (with jsonify in Flask) to my webpage pretty often, so I would like to reduce the data. The easiest option is probably to remove all line breaks and space...

Flask-SQLAlchemy ERROR: 'No application found. Either work inside a view function or push'

I am in the process of trying to use flask-sqlalchemy, and I have followed numerous examples in the documentation of how to get the Flask application setup. However, I am not able to get the app...

AttributeError: module '__main__' has no attribute 'AverageWordLengthExtractor'

I have created one custom transformer class AverageWordLengthExtractor in my pipeline code and saved the model after running it successfully. Now, when I am trying to load the model using a flask...

"ImportError: cannot import name 'ImmutableDict'" error when installing pgAdmin4

I am trying to install pgAdmin4 on Ubuntu 18.04 with python3 following this tutorial (https://www.digitalocean.com/community/tutorials/how-to-install-configure-pgadmin4-server-mode) but when...

Unable to import BeautifulSoup and Requests

I am using anaconda. I have installed Beautifulsoup and requests module. It also shows up in my list of packages installed. But when I try to run my python file from conda prompt , I get the error...

What is the best way to provide files for download from an AWS EC2 instance?

So I am supposed to create an application that uploads files(images) to an AWS Ec2 instance running Linux. I used Flask to create the upload logic and a simple HTML webpage to upload files. After...

Failed Google App Engine deployment. No matching distribution found for pywin32==xxx

I have run gcloud app deploy for my Django application, but it fails with the following errors at the end of the build log: Step #1 - "builder": Collecting pywin32==227 (from -r requirements.txt...

error H13 on heroku on an dash application

import requests from bs4 import BeautifulSoup import pandas as pd import dash import dash_core_components as dcc import dash_html_components as html import...

dash-auth not found after installation

I have a program that requires dash-auth. I didn't found it when looking into pycharm settings Available packages. I tried to install it with conda and pip3. For the latest it was found, but when...

compressing numpy array with zlib + base64 [python]

I'm trying to send a numpy array through the python requests module to a flask server. First, I compressed the numpy array with zlib, then used base64 to encode the data, then tried to decode and...

sending compressed numpy array (zlib) to flask server with post request [python]

I am trying to send a compressed numpy array (compressed with zlib) to the flask server with post request, but the compressed bytes object is getting changed in the server end. How to properly...

How to decompress a FileStorage object over gzip in Flask

I am sending a compressed file (compressed with gzip) to my flask application over an HTTP multipart/form-data POST request. The request works correctly and when I print out the value of the key...

(gcloud.app.deploy) Your application does not satisfy all of the requirements for a runtime of type [python37]

When I try to deploy a python/dash app to GCP app engine, I get this message: "ERROR: (gcloud.app.deploy) Your application does not satisfy all of the requirements for a runtime of type...

compress Images dynamically in python Flask

I am trying to reduce(compress) image file size dynamically. Reason being I need it dynamically, because I need to use it in full size as well on another pages.(Hence I cant make any changes to...

Flask-Mail queue messages to be sent to different emails

I am using the Flask-Mail library for my Flask application to send a default welcome email to the user when they sign up to be added to the newsletter. After debugging the library I found that it...

SyntaxError when launching a newly created Django application

I just created a project with Django, let me show you how I did it (with the voice of Wix ads ;)): django-admin startproject portfolio But when I launch my application I get a SyntaxError. So I...

Deployment in Heroku Fails Due to issue in requirements.txt

I am trying to deploy my flask app on heroku. I am using a Conda and i used the command "pip freeze> requirements.txt" to generate the requirements.txt file. But when i am pushing the code to...

Conda create environment with .yml file fails

I want to create an exact copy of my current environment in conda. So I am exporting my environment as a env_dashboard.yml file: (C:\Program Files\Anaconda3) C:\Users\TO3THY0>conda-env export -n...

Flask WSGI Handler FileNotFoundError: [Errno 2] No such file or directory

I am deploying a python web-app (dash, flask). I followed the tutorial in this link:...

Docker Error: Service 'web' failed to build : The command '/bin/sh -c pip instal l-r requirements.txt'

Hi I prepared an app and want to deploy it. As I learned Docker should be an easy tool to accomplish this but I spent so much time to create a Docker image. Tried many thing but still...

Pyinstaller executable cannot find 'flask-compress' distribution that is included

Here is my system info: 123 INFO: PyInstaller: 4.0 123 INFO: Python: 3.5.4 124 INFO: Platform: Windows-10-10.0.18362-SP0 I've been trying to generate a Python (PyQt) executable using Pyinstaller...

Zappa: Issue while running lambda function

I have a sample flask application and recently with the help of zappa i tryed deploying exiting flask application on lambda. Basically, I performed these stuff pip install zappa provided...

Azure App Service : deployment using pipelines: EnvironmentError: [Errno 28] No space left on device

Introduction Hi, I am deploying a Python-Flask application on the Azure App Service for months. Today I got the following error message while running my pipeline running on Microsoft...

Error in installing Dash module - 'Failed building wheel for brotli'

I am new to the coding world and trying to build my skills in Python as a stepping stone for Data Analytics. I am facing a problem in installing Dash module on my local machine. The error where it...

How to deploy python dash app with pyodbc on heroku

I have succesfully deployed some basic dash app on heroku using: Windows 10 Pro x64 Python 3.8 packages from...

Problem loading pandas when deploying Heroku web application

unfortunately I am facing problems deploying a Heroku web application. It´s jsut a simple Python dashboard based on dash by plotly, but I am a beginner and somehow it cannot upload Pandas. Please...

Deploying a Plotly/Dash app to AWS using Serverless Framework

I am trying to deploy a Plotly Dash app as an AWS Lambda using Serverless framework. The app works as expected locally and I can start it using serverless wsgi serve command. serverless deploy...

Apache Superset TypeError while starting with OAuth authentication enabled

I'm trying to configure OAuth authentication with GitHub apis, on Superset 1.0.1. Following the docs, I added the following lines in superset_config.py from flask_appbuilder.security.manager...

FormGroup was deprecated in dash-bootstrap-components version 1.0.0

I'm trying to copy the exact code here. When I run: from jaal import Jaal from jaal.datasets import load_got # load the data edge_df, node_df = load_got() # init Jaal and run server Jaal(edge_df,...