Python/Django run development server

Question

I'm trying to create a project using Django 1.8.4 and Python 2.7.10, but I can't execute the command python manage.py runserver. I can create the project and apps, but can't run the server. Please somebody help me, I'm new with Python/Django and I couldn't advance more. The cmd show the next error when the command is executed.

C:\Users\Efren\SkyDrive\UniCosta\VIII\Ingeniería de Software II\Django\PrimerProyecto>python manage.py runserver Performing system checks...

System check identified no issues (0 silenced). Unhandled exception in thread started by Traceback (most recent call last):

File "C:\Python27\lib\site-packages\django\utils\autoreload.py", line 225, in wrapper fn(*args, **kwargs)

File "C:\Python27\lib\site-packages\django\core\management\commands\runserver.py", line 112, in inner_run self.check_migrations()

File "C:\Python27\lib\site-packages\django\core\management\commands\runserver.py", line 164, in check_migrations executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])

File "C:\Python27\lib\site-packages\django\db\migrations\executor.py", line 19, in init self.loader = MigrationLoader(self.connection)

File "C:\Python27\lib\site-packages\django\db\migrations\loader.py", line 47, in init self.build_graph()

File "C:\Python27\lib\site-packages\django\db\migrations\loader.py", line 182, in build_graph self.applied_migrations = recorder.applied_migrations()

File "C:\Python27\lib\site-packages\django\db\migrations\recorder.py", line 59, in applied_migrations self.ensure_schema()

File "C:\Python27\lib\site-packages\django\db\migrations\recorder.py", line 49, in ensure_schema if self.Migration._meta.db_table in self.connection.introspection.table_names(self.connection.cursor()):

File "C:\Python27\lib\site-packages\django\db\backends\base\base.py", line 162, in cursor cursor = self.make_debug_cursor(self._cursor())

File "C:\Python27\lib\site-packages\django\db\backends\base\base.py", line 135, in _cursor self.ensure_connection()

File "C:\Python27\lib\site-packages\django\db\backends\base\base.py", line 130, in ensure_connection self.connect()

File "C:\Python27\lib\site-packages\django\db\utils.py", line 97, in exit six.reraise(dj_exc_type, dj_exc_value, traceback)

File "C:\Python27\lib\site-packages\django\db\backends\base\base.py", line 130, in ensure_connection self.connect()

File "C:\Python27\lib\site-packages\django\db\backends\base\base.py", line 119, in connect self.connection = self.get_new_connection(conn_params)

File "C:\Python27\lib\site-packages\django\db\backends\sqlite3\base.py", line 204, in get_new_connection conn = Database.connect(**conn_params)

django.db.utils.OperationalError: unable to open database file

Did you run python manage.py migrate to get the database up and running? — knbk
– knbk, Commented Sep 21, 2015 at 19:53
@knbk I'm run the command and gets an error File "manage.py", line 10, in <module> execute_from_command_line(sys.argv) ... — Efren
– Efren, Commented Sep 22, 2015 at 22:22
@PauloPessoa DATABASES = { 'default': { 'ENGINE': 'django.db.backends.sqlite3', 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'), } } — Efren
– Efren, Commented Sep 22, 2015 at 22:25

Akash Wankhede · Accepted Answer · 2017-06-09 06:58:33Z

2

It seems pretty clear that Django is unable to find your database at specified location, reasons can be,

You have created django project using "sudo" or with any other other linux user than your current user, thats why your current user might not have permissions to access that database. You can check permissions of files by typing in your project's root directory,

ls -la
You have configured wrong path for database file in your settings.py

answered Jun 9, 2017 at 6:58

Akash Wankhede

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Community · Accepted Answer · 2017-05-23 11:45:46Z

0

I believe the solution you are looking for is the following:

sudo python manage.py runserver

I was struggling with the same issue and this has finally done the trick for me.
superuser do to the rescue!

edit: If you are on windows and want to test this solution out then this link has some options: How to run 'sudo' command in windows

edited May 23, 2017 at 11:45

CommunityBot

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answered Jan 22, 2017 at 20:27

Marcelo

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1 Comment

Grisha Levit Over a year ago

That seems unlikely in this case since the user appears to be on Windows :)

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