It looks like GDAL isn't installed on your system.
Looking at
https://docs.djangoproject.com/en/stable/ref/contrib/gis/install/#spatial-database,
I believe it's a required dependency -- perhaps we should try to improve
the error message.
On Sunday, April 30, 2017 at 10:20:01 AM UTC-4, Prashant Verma wrote:
>
> C:\User\.........\Desktop\Geolocation>*python manage.py makemigrations*
> Traceback (most recent call last):
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\db\utils.py",
>
> line 115, in load_backend
> return import_module('%s.base' % backend_name)
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\importlib\__init__.py",
>
> line 126, in import_module
> return _bootstrap._gcd_import(name[level:], package, level)
> File "<frozen importlib._bootstrap>", line 978, in _gcd_import
> File "<frozen importlib._bootstrap>", line 961, in _find_and_load
> File "<frozen importlib._bootstrap>", line 950, in
> _find_and_load_unlocked
> File "<frozen importlib._bootstrap>", line 655, in _load_unlocked
> File "<frozen importlib._bootstrap_external>", line 677, in exec_module
> File "<frozen importlib._bootstrap>", line 205, in
> _call_with_frames_removed
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\contrib\gis\db\backends\postgis\base.py",
>
> line 7, in <module>
> from .operations import PostGISOperations
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\contrib\gis\db\backends\postgis\operations.py",
>
> line 7, in <module>
> from django.contrib.gis.gdal import GDALRaster
> ImportError: cannot import name 'GDALRaster'
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
> File "manage.py", line 22, in <module>
> execute_from_command_line(sys.argv)
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\core\management\__init__.py",
>
> line 363, in execute_from_command_line
> utility.execute()
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\core\management\__init__.py",
>
> line 337, in execute
> django.setup()
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\__init__.py",
>
> line 27, in setup
> apps.populate(settings.INSTALLED_APPS)
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\apps\registry.py",
>
> line 108, in populate
> app_config.import_models()
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\apps\config.py",
>
> line 202, in import_models
> self.models_module = import_module(models_module_name)
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\importlib\__init__.py",
>
> line 126, in import_module
> return _bootstrap._gcd_import(name[level:], package, level)
> File "<frozen importlib._bootstrap>", line 978, in _gcd_import
> File "<frozen importlib._bootstrap>", line 961, in _find_and_load
> File "<frozen importlib._bootstrap>", line 950, in
> _find_and_load_unlocked
> File "<frozen importlib._bootstrap>", line 655, in _load_unlocked
> File "<frozen importlib._bootstrap_external>", line 677, in exec_module
> File "<frozen importlib._bootstrap>", line 205, in
> _call_with_frames_removed
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\contrib\auth\models.py",
>
> line 4, in <module>
> from django.contrib.auth.base_user import AbstractBaseUser,
> BaseUserManager
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\contrib\auth\base_user.py",
>
> line 52, in <module>
> class AbstractBaseUser(models.Model):
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\db\models\base.py",
>
> line 124, in __new__
> new_class.add_to_class('_meta', Options(meta, app_label))
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\db\models\base.py",
>
> line 330, in add_to_class
> value.contribute_to_class(cls, name)
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\db\models\options.py",
>
> line 214, in contribute_to_class
> self.db_table = truncate_name(self.db_table,
> connection.ops.max_name_length())
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\db\__init__.py",
>
> line 33, in __getattr__
> return getattr(connections[DEFAULT_DB_ALIAS], item)
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\db\utils.py",
>
> line 211, in __getitem__
> backend = load_backend(db['ENGINE'])
> File
> "C:\Users\Prashant\Desktop\Geolocation\casino_locater\lib\site-packages\django\db\utils.py",
>
> line 134, in load_backend
> raise ImproperlyConfigured(error_msg)
> django.core.exceptions.ImproperlyConfigured:
> 'django.contrib.gis.db.backends.postgis' isn't an available database
> backend.
> Try using 'django.db.backends.XXX', where XXX is one of:
> 'mysql', 'oracle', 'postgresql', 'sqlite3'
> Error was: cannot import name 'GDALRaster'
>
>
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