I went ahead and moved the models back to the main app file so I could isolate the issue. Below is what i am working with.
I'm still getting sporadic constant drops (MySQLdb.OperationalError: (2013, 'Lost connection to MySQL server during query')).
The problem goes away if i use sqlite, but i want mysql to work. Thanks again for your help.
app.py
from flask import Flask
import os
from flask_sqlalchemy import SQLAlchemy
from flask_security import Security, SQLAlchemyUserDatastore, UserMixin, RoleMixin
from flask_mail import Mail
from flask_migrate import Migrate
os.environ['GOOGLE_APPLICATION_CREDENTIALS'] = 'removed'
app = Flask(__name__, static_url_path='/static')
# Configs
app.config['SECRET_KEY'] = 'removed'
app.config['SECURITY_PASSWORD_SALT'] = 'removed'
app.config['SECURITY_REGISTERABLE'] = True
app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://removed:removed@removed.mysql.pythonanywhere-services.com/removed$user'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
app.config['MAIL_SERVER'] = 'smtp.gmail.com'
app.config['MAIL_PORT'] = 465
app.config['MAIL_USERNAME'] = 'removed@gmail.com'
app.config['MAIL_PASSWORD'] = 'removed'
app.config['MAIL_USE_TLS'] = False
app.config['MAIL_USE_SSL'] = True
# Initialize SQLAlchemy with app
db = SQLAlchemy(app)
# Models
roles_users = db.Table('roles_users',
db.Column('user_id', db.Integer(), db.ForeignKey('user.id')),
db.Column('role_id', db.Integer(), db.ForeignKey('role.id')))
class Role(db.Model, RoleMixin):
id = db.Column(db.Integer(), primary_key=True)
name = db.Column(db.String(80), unique=True)
description = db.Column(db.String(255))
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
email = db.Column(db.String(255), unique=True)
password = db.Column(db.String(255))
active = db.Column(db.Boolean())
confirmed_at = db.Column(db.DateTime())
roles = db.relationship('Role', secondary=roles_users, backref=db.backref('users', lazy='dynamic'))
fs_uniquifier = db.Column(db.String(255), unique=True, nullable=False)
category_word_table = db.Table('category_word',
db.Column('word_id', db.Integer, db.ForeignKey('dictionary.id'), primary_key=True),
db.Column('category_id', db.Integer, db.ForeignKey('category.id'), primary_key=True))
class Category(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100), nullable=False, unique=True)
words = db.relationship('Dictionary', secondary=category_word_table, backref='categories')
class Dictionary(db.Model):
id = db.Column(db.Integer, primary_key=True)
word = db.Column(db.String(255))
definition = db.Column(db.Text)
class UserInteraction(db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
word_id = db.Column(db.Integer, db.ForeignKey('dictionary.id'))
transcribed_word = db.Column(db.String(255))
is_correct = db.Column(db.Boolean)
user = db.relationship('User', backref=db.backref('interactions', lazy='dynamic'))
word = db.relationship('Dictionary', backref=db.backref('interactions', lazy='dynamic'))
class ExceptionWord(db.Model):
id = db.Column(db.Integer, primary_key=True)
word = db.Column(db.String(255), unique=True)
transcription = db.Column(db.String(255))
def init_db(app):
Migrate(app, db)
with app.app_context():
db.create_all()
# Blueprints
from blueprints.index import index_blueprint
from blueprints.pronounce import pronounce_blueprint
from blueprints.how_it_works import how_it_works_blueprint
from blueprints.dashboard import dashboard_blueprint
from blueprints.upload import upload_blueprint
from blueprints.categories import categories_blueprint
from blueprints.exceptions import exceptions_blueprint
from blueprints.routes import routes_blueprint
app.register_blueprint(index_blueprint)
app.register_blueprint(pronounce_blueprint, url_prefix='/pronounce')
app.register_blueprint(how_it_works_blueprint, url_prefix='/how_it_works')
app.register_blueprint(dashboard_blueprint, url_prefix='/dashboard')
app.register_blueprint(upload_blueprint, url_prefix='/upload')
app.register_blueprint(categories_blueprint, url_prefix='/categories')
app.register_blueprint(exceptions_blueprint, url_prefix='/exceptions')
app.register_blueprint(routes_blueprint)
# Flask-Security setup
user_datastore = SQLAlchemyUserDatastore(db, User, Role)
security = Security(app, user_datastore)
# Initialize database
init_db(app)
# Setup Flask-Mail
mail = Mail(app)
if __name__ == '__main__':
app.run()
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pafk
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