current_user in flask_login returns NoneType












2















In my forms.py app, I have the following lines:



from flask_wtf import FlaskForm
from wtforms import SelectField, StringField, SubmitField, TextAreaField, PasswordField, BooleanField
from wtforms.validators import DataRequired
from flask_login import current_user

class LogForm(FlaskForm):
#game, title, log, submit
game = SelectField(u'Select Game', default='', coerce=str, choices=[(game.game_name, game.game_name) for game in current_user.games])
game.choices = [(game.game_name, game.game_name) for game in current_user.games]
title = StringField('Title', validators=[DataRequired()])
log = TextAreaField('Game log', validators=[DataRequired()])
submit = SubmitField('Update')

class RegisterForm(FlaskForm):
username = StringField('Username', validators=[DataRequired()])
email = StringField('Email', validators=[DataRequired()])
password = PasswordField('Password', validators=[DataRequired()])

class LoginForm(FlaskForm):
username = StringField('Username', validators=[DataRequired()])
password = PasswordField('Password', validators=[DataRequired()])
remember_me = BooleanField("Remember me")
submit = SubmitField("Sign in")


When I run my code, I get the following error:



>>> from app import db
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/app/__init__.py", line 15, in <module>
from app import routes, models
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/app/routes.py", line 7, in <module>
from app.forms import LoginForm, LogForm
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/app/forms.py", line 7, in <module>
print(current_user.id)
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/env/lib/python3.6/site-packages/werkzeug/local.py", line 347, in __getattr__
return getattr(self._get_current_object(), name)
AttributeError: 'NoneType' object has no attribute 'id'


For reference, below are the relevant parts of the models.py file



from app import db
from datetime import datetime
from werkzeug.security import generate_password_hash, check_password_hash
from flask_login import UserMixin
from app import login

@login.user_loader
def load_user(id):
return User.query.get(int(id))

class User(UserMixin, db.Model):
__tablename__ = "User"
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(64))
hashed_password = db.Column(db.String(128))
games = db.relationship('Game', backref='creator', lazy=True)

def set_password(self, password):
self.hashed_password = generate_password_hash(password)

def check_password(self, password):
return check_password_hash(self.hashed_password, password)

def __repr__(self):
return f'<User {self.username}>'


I've tried to put an if statement containing something like if current_user is None to the LogForm form, but it still won't work. Why does this happen? Help!



Edit: Adding an is_authenticated check before the form statement returns AttributeError: 'NoneType' object has no attribute 'is_authenticated'










share|improve this question

























  • I haven't worked with flask-login, but are you sure you store user after login ? Or does that user have id that you are searching for ? I think your query returns NoneType because it can't find user with given id, or you don't store that user with login.

    – Dinko Pehar
    Nov 17 '18 at 15:12


















2















In my forms.py app, I have the following lines:



from flask_wtf import FlaskForm
from wtforms import SelectField, StringField, SubmitField, TextAreaField, PasswordField, BooleanField
from wtforms.validators import DataRequired
from flask_login import current_user

class LogForm(FlaskForm):
#game, title, log, submit
game = SelectField(u'Select Game', default='', coerce=str, choices=[(game.game_name, game.game_name) for game in current_user.games])
game.choices = [(game.game_name, game.game_name) for game in current_user.games]
title = StringField('Title', validators=[DataRequired()])
log = TextAreaField('Game log', validators=[DataRequired()])
submit = SubmitField('Update')

class RegisterForm(FlaskForm):
username = StringField('Username', validators=[DataRequired()])
email = StringField('Email', validators=[DataRequired()])
password = PasswordField('Password', validators=[DataRequired()])

class LoginForm(FlaskForm):
username = StringField('Username', validators=[DataRequired()])
password = PasswordField('Password', validators=[DataRequired()])
remember_me = BooleanField("Remember me")
submit = SubmitField("Sign in")


When I run my code, I get the following error:



>>> from app import db
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/app/__init__.py", line 15, in <module>
from app import routes, models
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/app/routes.py", line 7, in <module>
from app.forms import LoginForm, LogForm
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/app/forms.py", line 7, in <module>
print(current_user.id)
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/env/lib/python3.6/site-packages/werkzeug/local.py", line 347, in __getattr__
return getattr(self._get_current_object(), name)
AttributeError: 'NoneType' object has no attribute 'id'


For reference, below are the relevant parts of the models.py file



from app import db
from datetime import datetime
from werkzeug.security import generate_password_hash, check_password_hash
from flask_login import UserMixin
from app import login

@login.user_loader
def load_user(id):
return User.query.get(int(id))

class User(UserMixin, db.Model):
__tablename__ = "User"
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(64))
hashed_password = db.Column(db.String(128))
games = db.relationship('Game', backref='creator', lazy=True)

def set_password(self, password):
self.hashed_password = generate_password_hash(password)

def check_password(self, password):
return check_password_hash(self.hashed_password, password)

def __repr__(self):
return f'<User {self.username}>'


I've tried to put an if statement containing something like if current_user is None to the LogForm form, but it still won't work. Why does this happen? Help!



Edit: Adding an is_authenticated check before the form statement returns AttributeError: 'NoneType' object has no attribute 'is_authenticated'










share|improve this question

























  • I haven't worked with flask-login, but are you sure you store user after login ? Or does that user have id that you are searching for ? I think your query returns NoneType because it can't find user with given id, or you don't store that user with login.

    – Dinko Pehar
    Nov 17 '18 at 15:12
















2












2








2


2






In my forms.py app, I have the following lines:



from flask_wtf import FlaskForm
from wtforms import SelectField, StringField, SubmitField, TextAreaField, PasswordField, BooleanField
from wtforms.validators import DataRequired
from flask_login import current_user

class LogForm(FlaskForm):
#game, title, log, submit
game = SelectField(u'Select Game', default='', coerce=str, choices=[(game.game_name, game.game_name) for game in current_user.games])
game.choices = [(game.game_name, game.game_name) for game in current_user.games]
title = StringField('Title', validators=[DataRequired()])
log = TextAreaField('Game log', validators=[DataRequired()])
submit = SubmitField('Update')

class RegisterForm(FlaskForm):
username = StringField('Username', validators=[DataRequired()])
email = StringField('Email', validators=[DataRequired()])
password = PasswordField('Password', validators=[DataRequired()])

class LoginForm(FlaskForm):
username = StringField('Username', validators=[DataRequired()])
password = PasswordField('Password', validators=[DataRequired()])
remember_me = BooleanField("Remember me")
submit = SubmitField("Sign in")


When I run my code, I get the following error:



>>> from app import db
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/app/__init__.py", line 15, in <module>
from app import routes, models
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/app/routes.py", line 7, in <module>
from app.forms import LoginForm, LogForm
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/app/forms.py", line 7, in <module>
print(current_user.id)
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/env/lib/python3.6/site-packages/werkzeug/local.py", line 347, in __getattr__
return getattr(self._get_current_object(), name)
AttributeError: 'NoneType' object has no attribute 'id'


For reference, below are the relevant parts of the models.py file



from app import db
from datetime import datetime
from werkzeug.security import generate_password_hash, check_password_hash
from flask_login import UserMixin
from app import login

@login.user_loader
def load_user(id):
return User.query.get(int(id))

class User(UserMixin, db.Model):
__tablename__ = "User"
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(64))
hashed_password = db.Column(db.String(128))
games = db.relationship('Game', backref='creator', lazy=True)

def set_password(self, password):
self.hashed_password = generate_password_hash(password)

def check_password(self, password):
return check_password_hash(self.hashed_password, password)

def __repr__(self):
return f'<User {self.username}>'


I've tried to put an if statement containing something like if current_user is None to the LogForm form, but it still won't work. Why does this happen? Help!



Edit: Adding an is_authenticated check before the form statement returns AttributeError: 'NoneType' object has no attribute 'is_authenticated'










share|improve this question
















In my forms.py app, I have the following lines:



from flask_wtf import FlaskForm
from wtforms import SelectField, StringField, SubmitField, TextAreaField, PasswordField, BooleanField
from wtforms.validators import DataRequired
from flask_login import current_user

class LogForm(FlaskForm):
#game, title, log, submit
game = SelectField(u'Select Game', default='', coerce=str, choices=[(game.game_name, game.game_name) for game in current_user.games])
game.choices = [(game.game_name, game.game_name) for game in current_user.games]
title = StringField('Title', validators=[DataRequired()])
log = TextAreaField('Game log', validators=[DataRequired()])
submit = SubmitField('Update')

class RegisterForm(FlaskForm):
username = StringField('Username', validators=[DataRequired()])
email = StringField('Email', validators=[DataRequired()])
password = PasswordField('Password', validators=[DataRequired()])

class LoginForm(FlaskForm):
username = StringField('Username', validators=[DataRequired()])
password = PasswordField('Password', validators=[DataRequired()])
remember_me = BooleanField("Remember me")
submit = SubmitField("Sign in")


When I run my code, I get the following error:



>>> from app import db
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/app/__init__.py", line 15, in <module>
from app import routes, models
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/app/routes.py", line 7, in <module>
from app.forms import LoginForm, LogForm
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/app/forms.py", line 7, in <module>
print(current_user.id)
File "/Users/AdityaD/iCloud Drive (Archive)/Desktop/flask_devlog/env/lib/python3.6/site-packages/werkzeug/local.py", line 347, in __getattr__
return getattr(self._get_current_object(), name)
AttributeError: 'NoneType' object has no attribute 'id'


For reference, below are the relevant parts of the models.py file



from app import db
from datetime import datetime
from werkzeug.security import generate_password_hash, check_password_hash
from flask_login import UserMixin
from app import login

@login.user_loader
def load_user(id):
return User.query.get(int(id))

class User(UserMixin, db.Model):
__tablename__ = "User"
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(64))
hashed_password = db.Column(db.String(128))
games = db.relationship('Game', backref='creator', lazy=True)

def set_password(self, password):
self.hashed_password = generate_password_hash(password)

def check_password(self, password):
return check_password_hash(self.hashed_password, password)

def __repr__(self):
return f'<User {self.username}>'


I've tried to put an if statement containing something like if current_user is None to the LogForm form, but it still won't work. Why does this happen? Help!



Edit: Adding an is_authenticated check before the form statement returns AttributeError: 'NoneType' object has no attribute 'is_authenticated'







python flask sqlalchemy flask-wtforms flask-login






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 17 '18 at 23:10







GM Crow

















asked Nov 17 '18 at 5:24









GM CrowGM Crow

192




192













  • I haven't worked with flask-login, but are you sure you store user after login ? Or does that user have id that you are searching for ? I think your query returns NoneType because it can't find user with given id, or you don't store that user with login.

    – Dinko Pehar
    Nov 17 '18 at 15:12





















  • I haven't worked with flask-login, but are you sure you store user after login ? Or does that user have id that you are searching for ? I think your query returns NoneType because it can't find user with given id, or you don't store that user with login.

    – Dinko Pehar
    Nov 17 '18 at 15:12



















I haven't worked with flask-login, but are you sure you store user after login ? Or does that user have id that you are searching for ? I think your query returns NoneType because it can't find user with given id, or you don't store that user with login.

– Dinko Pehar
Nov 17 '18 at 15:12







I haven't worked with flask-login, but are you sure you store user after login ? Or does that user have id that you are searching for ? I think your query returns NoneType because it can't find user with given id, or you don't store that user with login.

– Dinko Pehar
Nov 17 '18 at 15:12














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