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im stuck with above mention problem.
in my project which is already 50% dveloped i use owner model to represent owner of shop and then i used user model for login and for registration purpose. so i tried to use user model in my owner model so i could utilise both model effectively with additional fields. i tried to extend user model in owner model using onetoone field. after doing that i was not able to do migrations so i deleted all migrations files but after that it was start giving this error while doing migrations:-
(```
venv) C:\Users\Mayur\PycharmProjects\StartUp\social>py manage.py makemigrations
Traceback (most recent call last):
File "manage.py", line 21, in
main()
File "manage.py", line 17, in main
execute_from_command_line(sys.argv)
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\core\management_init_.py", line 401, in execute_from_command_line
utility.execute()
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\core\management_init_.py", line 395, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\core\management\base.py", line 328, in run_from_argv
self.execute(*args, **cmd_options)
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\core\management\base.py", line 369, in execute
output = self.handle(*args, **options)
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\core\management\base.py", line 83, in wrapped
res = handle_func(*args, **kwargs)
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\core\management\commands\makemigrations.py", line 87, in handle
loader = MigrationLoader(None, ignore_no_migrations=True)
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\db\migrations\loader.py", line 49, in init
self.build_graph()
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\db\migrations\loader.py", line 274, in build_graph
raise exc
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\db\migrations\loader.py", line 248, in build_graph
self.graph.validate_consistency()
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\db\migrations\graph.py", line 195, in validate_consistency
[n.raise_error() for n in self.node_map.values() if isinstance(n, DummyNode)]
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\db\migrations\graph.py", line 195, in
[n.raise_error() for n in self.node_map.values() if isinstance(n, DummyNode)]
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\db\migrations\graph.py", line 58, in raise_error
raise NodeNotFoundError(self.error_message, self.key, origin=self.origin)
django.db.migrations.exceptions.NodeNotFoundError: Migration listings.0001_initial dependencies reference nonexistent parent node ('owners', '0001_initial')
here is my Owner Model :-
from django.db import models
from django.contrib.auth.models import User
class Owner(models.Model):
user = models.OneToOneField(User,on_delete=models.CASCADE, default=False)
name=models.CharField(max_length=200)
photo=models.ImageField(upload_to='photos/%Y/%m/%d/')
description=models.TextField(blank=True)
phone=models.CharField(max_length=20)
email=models.CharField(max_length=20)
def __str__(self):
return self.name
im hoping that will get help on this because i'm totally stuck here and also not getting how to tackle this problem.
The text was updated successfully, but these errors were encountered:
Hello Guys!
im stuck with above mention problem.
in my project which is already 50% dveloped i use owner model to represent owner of shop and then i used user model for login and for registration purpose. so i tried to use user model in my owner model so i could utilise both model effectively with additional fields. i tried to extend user model in owner model using onetoone field. after doing that i was not able to do migrations so i deleted all migrations files but after that it was start giving this error while doing migrations:-
(```
venv) C:\Users\Mayur\PycharmProjects\StartUp\social>py manage.py makemigrations
Traceback (most recent call last):
File "manage.py", line 21, in
main()
File "manage.py", line 17, in main
execute_from_command_line(sys.argv)
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\core\management_init_.py", line 401, in execute_from_command_line
utility.execute()
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\core\management_init_.py", line 395, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\core\management\base.py", line 328, in run_from_argv
self.execute(*args, **cmd_options)
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\core\management\base.py", line 369, in execute
output = self.handle(*args, **options)
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\core\management\base.py", line 83, in wrapped
res = handle_func(*args, **kwargs)
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\core\management\commands\makemigrations.py", line 87, in handle
loader = MigrationLoader(None, ignore_no_migrations=True)
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\db\migrations\loader.py", line 49, in init
self.build_graph()
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\db\migrations\loader.py", line 274, in build_graph
raise exc
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\db\migrations\loader.py", line 248, in build_graph
self.graph.validate_consistency()
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\db\migrations\graph.py", line 195, in validate_consistency
[n.raise_error() for n in self.node_map.values() if isinstance(n, DummyNode)]
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\db\migrations\graph.py", line 195, in
[n.raise_error() for n in self.node_map.values() if isinstance(n, DummyNode)]
File "C:\Users\Mayur\PycharmProjects\StartUp\venv\lib\site-packages\django\db\migrations\graph.py", line 58, in raise_error
raise NodeNotFoundError(self.error_message, self.key, origin=self.origin)
django.db.migrations.exceptions.NodeNotFoundError: Migration listings.0001_initial dependencies reference nonexistent parent node ('owners', '0001_initial')
from django.db import models
from django.contrib.auth.models import User
class Owner(models.Model):
user = models.OneToOneField(User,on_delete=models.CASCADE, default=False)
name=models.CharField(max_length=200)
photo=models.ImageField(upload_to='photos/%Y/%m/%d/')
description=models.TextField(blank=True)
phone=models.CharField(max_length=20)
email=models.CharField(max_length=20)
The text was updated successfully, but these errors were encountered: