При запуске команды «python manage.py migrate» возникает ошибка:
Операции, которые необходимо выполнить: Применить все миграции: admin, auth, типы содержимого, сеансы, travello. Выполнение миграций: применение travello.0005_auto_20200313_1046 ... Трассировка (последний последний вызов): файл "C: \ Users \ uc \ Envs \ test \ lib \ site-packages \ django \ db \ models \ fields__init __. py ", строка 1772, в get_prep_value возвращает int (значение) ValueError: недопустимый литерал для int () с основанием 10: 'select'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "manage.py", line 21, in <module>
main()
File "manage.py", line 17, in main
execute_from_command_line(sys.argv)
File "C:\Users\uc\Envs\test\lib\site-packages\django\core\management\__init__.py", line 401, in execute_from_command_line
utility.execute()
File "C:\Users\uc\Envs\test\lib\site-packages\django\core\management\__init__.py", line 395, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\Users\uc\Envs\test\lib\site-packages\django\core\management\base.py", line 328, in run_from_argv
self.execute(*args, **cmd_options)
File "C:\Users\uc\Envs\test\lib\site-packages\django\core\management\base.py", line 369, in execute
output = self.handle(*args, **options)
File "C:\Users\uc\Envs\test\lib\site-packages\django\core\management\base.py", line 83, in wrapped
res = handle_func(*args, **kwargs)
File "C:\Users\uc\Envs\test\lib\site-packages\django\core\management\commands\migrate.py", line 231, in handle
post_migrate_state = executor.migrate(
File "C:\Users\uc\Envs\test\lib\site-packages\django\db\migrations\executor.py", line 117, in migrate
state = self._migrate_all_forwards(state, plan, full_plan, fake=fake, fake_initial=fake_initial)
File "C:\Users\uc\Envs\test\lib\site-packages\django\db\migrations\executor.py", line 147, in _migrate_all_forwards
state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial)
File "C:\Users\uc\Envs\test\lib\site-packages\django\db\migrations\executor.py", line 245, in apply_migration
state = migration.apply(state, schema_editor)
File "C:\Users\uc\Envs\test\lib\site-packages\django\db\migrations\migration.py", line 124, in apply
operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
File "C:\Users\uc\Envs\test\lib\site-packages\django\db\migrations\operations\fields.py", line 249, in database_forwards
schema_editor.alter_field(from_model, from_field, to_field)
File "C:\Users\uc\Envs\test\lib\site-packages\django\db\backends\base\schema.py", line 564, in alter_field
self._alter_field(model, old_field, new_field, old_type, new_type,
File "C:\Users\uc\Envs\test\lib\site-packages\django\db\backends\postgresql\schema.py", line 152, in _alter_field
super()._alter_field(
File "C:\Users\uc\Envs\test\lib\site-packages\django\db\backends\base\schema.py", line 679, in _alter_field
new_default = self.effective_default(new_field)
File "C:\Users\uc\Envs\test\lib\site-packages\django\db\backends\base\schema.py", line 303, in effective_default
return field.get_db_prep_save(self._effective_default(field), self.connection)
File "C:\Users\uc\Envs\test\lib\site-packages\django\db\models\fields\related.py", line 939, in get_db_prep_save
return self.target_field.get_db_prep_save(value, connection=connection)
File "C:\Users\uc\Envs\test\lib\site-packages\django\db\models\fields\__init__.py", line 821, in get_db_prep_save
return self.get_db_prep_value(value, connection=connection, prepared=False)
File "C:\Users\uc\Envs\test\lib\site-packages\django\db\models\fields\__init__.py", line 2365, in get_db_prep_value
value = self.get_prep_value(value)
File "C:\Users\uc\Envs\test\lib\site-packages\django\db\models\fields\__init__.py", line 1774, in get_prep_value
raise e.__class__(
ValueError: Field 'id' expected a number but got 'select'.
модели .py
from django.db import models
class Destination(models.Model):
name = models.CharField(max_length=200)
desc = models.TextField()
price = models.IntegerField()
img = models.ImageField(upload_to= 'pics')
offer = models.BooleanField(default=False)
class Category(models.Model):
cat_name = models.CharField(max_length = 50)
def __str__(self):
return self.cat_name
class Blog(models.Model):
date = models.DateField()
name = models.CharField(max_length=100)
category = models.ForeignKey(Category, on_delete=models.CASCADE, default=0)
desc = models.TextField()
img = models.ImageField(upload_to= 'blog_img')
class Subscribe(models.Model):
name = models.CharField(max_length=100)
email = models.CharField(max_length=100)
admin.py
from django.contrib import admin
from .models import Destination
from .models import Blog
from .models import Category
from .models import Subscribtion
admin.autodiscover()
admin.site.register(Destination)
admin.site.register(Blog)
admin.site.register(Category)
admin.site.register(Subscribtion)
0005_auto_20200313_1046.py
from django.db import migrations, models
import django.db.models.deletion
import django.utils.timezone
class Migration(migrations.Migration):
dependencies = [
('travello', '0004_auto_20200312_1224'),
]
operations = [
migrations.RemoveField(
model_name='blog',
name='date',
),
migrations.AddField(
model_name='blog',
name='created_at',
field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now),
preserve_default=False,
),
migrations.AddField(
model_name='blog',
name='updated_at',
field=models.DateTimeField(auto_now=True),
),
migrations.AlterField(
model_name='blog',
name='category',
field=models.ForeignKey(default='select', on_delete=django.db.models.deletion.CASCADE, to='travello.Category'),
),
]