Working with django and sqlalchemy but backend mysql

I am working with python's django framework. My models are sqlalchemy and my back-end database is mysql. How will I configure them?

Django auto_now and auto_now_add

For Django 1.1. I have this in my models.py: class User(models.Model): created = models.DateTimeField(auto_now_add=True) modified = models.DateTimeField(auto_now=True) When updating a...

How to filter (or replace) unicode characters that would take more than 3 bytes in UTF-8?

I'm using Python and Django, but I'm having a problem caused by a limitation of MySQL. According to the MySQL 5.1 documentation, their utf8 implementation does not support 4-byte characters. MySQL...

Django: no such table: django_session

I have found several topics with this title, but none of their solutions worked for me. I have two Django sites running on my server, both through Apache using different virtualhosts on two ports...

Why is MySQL treating é the same as e?

I'm storing Unicode strings in a MySQL database with a Django web application. I can store Unicode data fine, but when querying, I find that é and e are treated as if they were the same...

Prevent django admin from running SELECT COUNT(*) on the list form

Every time I use Admin to list the entries of a model, the Admin count the rows in the table. Worse yet, it seems to be doing so even when you are filtering your query. For instance if I want to...

Python Django requirements.txt

I have a requirements.txt file containing all my dependencies but it is not processed correctly : After a pip install -r requirements.txt, I get the following pip freeze...

django with mysql what does 'maximum number of connections'?

I am writting simple application which django that can be used internally inside my office. probably 1000 people i say. I dont have any session handling, user handling. It is just a store/view...

Django + MySQL - Unknown encoding: utf8mb4

MySQL 5.5.35 Django 1.6.1 In order to support emoticons in the DB, I have configured in my django settings: 'OPTIONS': {'charset': 'utf8mb4'} On MySQL connection, I get this error: LookupError:...

django makemigrations not detecting new model

I used makemigrations earlier in order to make my Django app aware of the tables in my legacy MySql database, and it worked fine. It generated models.py. Now, I want to add a new "UserDetails"...

PyMySQL is not working as a alternate MySQLdb module for Python 3.4

I'm trying to install a Python 3 alternative to python-mysql. I tried with the recommended PyMySQL. But the same error persists when trying to migrate my Django project. Traceback: File...

Django Migration Error with MySQL: BLOB/TEXT column 'id' used in key specification without a key length"

We have Django Model, use Binary Field for ID. # Create your models here. class Company(models.Model): id = models.BinaryField(max_length=16, primary_key=True) name =...

'ModuleNotFoundError: No module named 'MySQLdb' In Django

creating my first module in django, I am using mac Tried steps: 1.installed python 3.6.+ version, 2.cloned git project 3.setup local env, to create a module, trying with command env=dev python3...

Method in Django to display all attributes' values belonging to a created object?

Is there a certain method in Django which allows for retrieving/displaying all attributes' values belonging to an object created via Django? In Python shell, I used the following: >>>...

How to integrate Django with Kafka using Python?

I want to pass input from Django to Kafka. I have fields a,b,c,d and h1,h2 and h3. All fields are input from the user. I want to start my Kafka process as soon as the user enters submit button on...

Django: "Cannot add foreign key constraint" when creating test tables before running unit tests

I am trying to run unit tests that I've written for my Django project, but testing fails at the database creation stage. I have a single database "test", one of which as a foreign key relationship...

Installing MySQL-python causes command 'clang' failed with exit status 1 on Mac OS 10.13.15

I have installed tools via xcode-select --install but still show the following error while doing pip install MySQL-python Building wheels for collected packages: MySQL-python Running setup.py...

Python 3.7, Failed building wheel for MySql-Python

I am new to python and I am trying django framework that involves some MySql and ran into this error when try to do pip install mysqlclient and down the lines of cmd messages I got this. Failed...

django.db.utils.OperationalError: (2005, "Unknown MySQL server host 'db' (-2)")

I'm trying run django with mysql in docker containers: version: '2' services: db: image: mysql:latest volumes: - ./db:/var/lib/mysql ports: - "3306:3306" ...

UnicodeDecodeError: 'utf-8' codec can't decode byte 0xff in position 0

I tried to migrate the django file and the sqlite3 database file to MySQL data, and I encountered such an error. create database: create database mysite_db default charset=utf8mb4 default...

Exception processing errorPage[errorCode=0, location=/error]

My Spring Boot project used to work well on Mac. Today I pull the codes to my Windows lap, then the problem occurred, that the Tomcat error page were displayed instead of my custom error page when...

How to extend Django's test database with custom SQL view?

I'm using Django 2.1 with MySQL. I have one custom SQL view, which is bound with a model with Meta managed = False. Django's TestCase has no idea how the view is created, so I'd like to provide...

Why does Heroku has to install so many modules every time?

I am developing an app in Django and I am deploying it on Heroku. Why does, with each push, Heroku has to install all these modules? I know there is a way to prevent it from doing it all the...

AmbiguousTimeError related to a specific datetime (2020-11-01)

This is coming up in the context of a django project. All datetime objects are tz aware. One day the production server crashed with the follow error: pytz.exceptions.AmbiguousTimeError: 2020-11-01...

Problem installing mysqlclient for a website hosted on namecheap shared hosting plan

I have my small Django website hosted on namecheap. I want to migrate from sqlite3 database to MySQL but when I try to run the pip install mysqlclient command, I get the following...

How to Install mysqlclient for Django in windows 10?

i am new in Django.i want to use Mysql database for my project.i am installing mysqlclient for that, but its showing below error. i am using --pip install mysql-python command for installing...

Django connect mysql problem, NameError: name '_mysql' is not defined

I found MySQL database cannot start properly, so I uninstall Mysql 5.7. I installed MySQL 8.0.21, I found that my Django project has a problem. I would like makemigrations on my Django project...

I can't install mysqlclient using `pip install mysqlclient` command

Here is the console log after ran pip install mysqlclient command. `(venv) Yu:sagemaker-modeltraining lee$ pip install mysqlclient Collecting mysqlclient Using cached mysqlclient-2.0.3.tar.gz...

Django's "Performing system checks" takes ages - Dash Plotly

So I have set up a webpage/webapplication that is powered by Django. Previously I utilized a MySQL database as backend and everything worked out smooth, but then I tried to switch to...

connection error between two devices: ImportError: libmariadb.so.3: cannot open shared object file: No such file or directory

I have two devices that I use as MySql server and Django server. My system, which works on my development device, becomes inoperable when it switches to other devices. Settings on...