Unable to open sqlite3 database file [duplicate] - django

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Django is "unable to open database file"
(8 answers)
Closed 8 years ago.
'm using sqlite3 with eclipse.
This is the first time i'm using this and when i try creating the database this is the error i get:
Traceback (most recent call last):
File "F:\New wrokspace\books\books\manage.py", line 14, in <module>
execute_manager(settings)
File "C:\Python27\lib\site-packages\django\core\management\__init__.py", line 438, in execute_manager
utility.execute()
File "C:\Python27\lib\site-packages\django\core\management\__init__.py", line 379, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\Python27\lib\site-packages\django\core\management\base.py", line 191, in run_from_argv
self.execute(*args, **options.__dict__)
File "C:\Python27\lib\site-packages\django\core\management\base.py", line 220, in execute
output = self.handle(*args, **options)
File "C:\Python27\lib\site-packages\django\core\management\base.py", line 286, in handle
app_output = self.handle_app(app, **options)
File "C:\Python27\lib\site-packages\django\core\management\commands\sqlall.py", line 19, in handle_app
return u'\n'.join(sql_all(app, self.style, connections[options.get('database', DEFAULT_DB_ALIAS)])).encode('utf-8')
File "C:\Python27\lib\site-packages\django\core\management\sql.py", line 146, in sql_all
return sql_create(app, style, connection) + sql_custom(app, style, connection) + sql_indexes(app, style, connection)
File "C:\Python27\lib\site-packages\django\core\management\sql.py", line 26, in sql_create
tables = connection.introspection.table_names()
File "C:\Python27\lib\site-packages\django\db\backends\__init__.py", line 791, in table_names
cursor = self.connection.cursor()
File "C:\Python27\lib\site-packages\django\db\backends\__init__.py", line 250, in cursor
cursor = self.make_debug_cursor(self._cursor())
File "C:\Python27\lib\site-packages\django\db\backends\sqlite3\base.py", line 207, in _cursor
self.connection = Database.connect(**kwargs)
sqlite3.OperationalError: unable to open database file
Finished "F:\New wrokspace\books\books\manage.py sqlall books" execution.
Can someone tell me how to create and open sqlite3 databases on eclipse??
Thanks

To create the database with Django, you have to write your models, put applications in the settings.INSTALLED_APPS and then:
python manage.py syncdb
The sqlall command prints the CREATE TABLE and initial-data SQL statements for the given app name(s).

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File "C:\Users\Yamil\Google Drive\Proyectos\monely\manage.py", line 22, in <module>
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File "C:\Users\Yamil\Google Drive\Proyectos\monely\manage.py", line 18, in main
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File "C:\Users\Yamil\anaconda3\envs\monely\lib\site-packages\django\core\management\__init__.py", line 401, in execute_from_command_line
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File "C:\Users\Yamil\anaconda3\envs\monely\lib\site-packages\django\core\management\__init__.py", line 395, in execute
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self.execute(*args, **cmd_options)
File "C:\Users\Yamil\anaconda3\envs\monely\lib\site-packages\django\core\management\base.py", line 371, in execute
output = self.handle(*args, **options)
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if sub_objs:
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self._fetch_all()
File "C:\Users\Yamil\anaconda3\envs\monely\lib\site-packages\django\db\models\query.py", line 1303, in _fetch_all
self._result_cache = list(self._iterable_class(self))
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real_results = self.queryset._get_real_instances(base_result_objects)
File "C:\Users\Yamil\anaconda3\envs\monely\lib\site-packages\polymorphic\query.py", line 387, in _get_real_instances
if base_object.polymorphic_ctype_id == self_model_class_id:
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File "C:\Users\Yamil\anaconda3\envs\monely\lib\site-packages\django\db\models\base.py", line 635, in refresh_from_db
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Now, I noticed that the model that failed is a PolymorphicModel (django-polymorphic), but I have no idea what could be going on. The application seems to be working fine, it passes the tests. I also briefly checked the database and couldn't really find any unused contenttypes, but the command keeps failing. How can I find the root of this problem?

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I have migrated from SQLite to Postgres, but now I am unable to restore my data on Postgres, i am using Django db-backup package, it is giving me this error on dbrestore command
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File "C:\Users\atifs\Documents\food_deliveryapp\fooddelivery\manage.py", line 22, in <module>
main()
File "C:\Users\atifs\Documents\food_deliveryapp\fooddelivery\manage.py", line 18, in main
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self.execute(*args, **cmd_options)
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output = self.handle(*args, **options)
File "C:\Users\atifs\Documents\food_deliveryapp\virtual-env\lib\site-packages\dbbackup\management\commands\dbrestore.py", line 53, in handle
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self.execute(*args, **cmd_options)
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output = self.handle(*args, **options)
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', '.join(sorted(valid_options)),
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Your installed version of Haystack does not support Django 2.0. Support for Django 2.0 was added in Haystack 2.8, which was released in March 2018.

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!!! Read about DEBUG in settings_local.py and then remove me !!!
!!! Read about DEBUG in settings_local.py and then remove me !!!
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