Всем привет, уже второй или третий день мучаюсь с некой проблемой:
Хотел развернуть Джанго 1.7 с питоном 3.4 и использовать при этом postgresql всё это соответственно в виртуальном окружении virtualenv. Взял этот туториал http://habrahabr.ru/post/181556/ и дойдя до первого использования
python manage.py sycndb
Получил следующий результат:
runnko@RunnkoPC:~/Web/virtualenv/mysite$ python3 manage.py syncdb
Traceback (most recent call last):
File "/usr/local/lib/python3.4/dist-packages/django/db/backends/postgresql_psycopg2/base.py", line 23, in <module>
import psycopg2 as Database
File "/usr/lib/python3.4/psycopg2/__init__.py", line 67, in <module>
from psycopg2._psycopg import BINARY, NUMBER, STRING, DATETIME, ROWID
ImportError: No module named 'psycopg2._psycopg'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/usr/local/lib/python3.4/dist-packages/django/core/management/__init__.py", line 385, in execute_from_command_line
utility.execute()
File "/usr/local/lib/python3.4/dist-packages/django/core/management/__init__.py", line 354, in execute
django.setup()
File "/usr/local/lib/python3.4/dist-packages/django/__init__.py", line 21, in setup
apps.populate(settings.INSTALLED_APPS)
File "/usr/local/lib/python3.4/dist-packages/django/apps/registry.py", line 108, in populate
app_config.import_models(all_models)
File "/usr/local/lib/python3.4/dist-packages/django/apps/config.py", line 197, in import_models
self.models_module = import_module(models_module_name)
File "/usr/lib/python3.4/importlib/__init__.py", line 109, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 2231, in _gcd_import
File "<frozen importlib._bootstrap>", line 2214, in _find_and_load
File "<frozen importlib._bootstrap>", line 2203, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 1200, in _load_unlocked
File "<frozen importlib._bootstrap>", line 1129, in _exec
File "<frozen importlib._bootstrap>", line 1448, in exec_module
File "<frozen importlib._bootstrap>", line 321, in _call_with_frames_removed
File "/usr/local/lib/python3.4/dist-packages/django/contrib/auth/models.py", line 40, in <module>
class Permission(models.Model):
File "/usr/local/lib/python3.4/dist-packages/django/db/models/base.py", line 125, in __new__
new_class.add_to_class('_meta', Options(meta, **kwargs))
File "/usr/local/lib/python3.4/dist-packages/django/db/models/base.py", line 300, in add_to_class
value.contribute_to_class(cls, name)
File "/usr/local/lib/python3.4/dist-packages/django/db/models/options.py", line 166, in contribute_to_class
self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
File "/usr/local/lib/python3.4/dist-packages/django/db/__init__.py", line 40, in __getattr__
return getattr(connections[DEFAULT_DB_ALIAS], item)
File "/usr/local/lib/python3.4/dist-packages/django/db/utils.py", line 242, in __getitem__
backend = load_backend(db['ENGINE'])
File "/usr/local/lib/python3.4/dist-packages/django/db/utils.py", line 108, in load_backend
return import_module('%s.base' % backend_name)
File "/usr/lib/python3.4/importlib/__init__.py", line 109, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 2231, in _gcd_import
File "<frozen importlib._bootstrap>", line 2214, in _find_and_load
File "<frozen importlib._bootstrap>", line 2203, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 1200, in _load_unlocked
File "<frozen importlib._bootstrap>", line 1129, in _exec
File "<frozen importlib._bootstrap>", line 1448, in exec_module
File "<frozen importlib._bootstrap>", line 321, in _call_with_frames_removed
File "/usr/local/lib/python3.4/dist-packages/django/db/backends/postgresql_psycopg2/base.py", line 27, in <module>
raise ImproperlyConfigured("Error loading psycopg2 module: %s" % e)
django.core.exceptions.ImproperlyConfigured: Error loading psycopg2 module: No module named 'psycopg2._psycopg'
runnko@RunnkoPC:~/Web/virtualenv/mysite$ clear
runnko@RunnkoPC:~/Web/virtualenv/mysite$ python3 manage.py syncdb
Traceback (most recent call last):
File "/usr/local/lib/python3.4/dist-packages/django/db/backends/postgresql_psycopg2/base.py", line 23, in <module>
import psycopg2 as Database
File "/usr/lib/python3.4/psycopg2/__init__.py", line 67, in <module>
from psycopg2._psycopg import BINARY, NUMBER, STRING, DATETIME, ROWID
ImportError: No module named 'psycopg2._psycopg'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/usr/local/lib/python3.4/dist-packages/django/core/management/__init__.py", line 385, in execute_from_command_line
utility.execute()
File "/usr/local/lib/python3.4/dist-packages/django/core/management/__init__.py", line 354, in execute
django.setup()
File "/usr/local/lib/python3.4/dist-packages/django/__init__.py", line 21, in setup
apps.populate(settings.INSTALLED_APPS)
File "/usr/local/lib/python3.4/dist-packages/django/apps/registry.py", line 108, in populate
app_config.import_models(all_models)
File "/usr/local/lib/python3.4/dist-packages/django/apps/config.py", line 197, in import_models
self.models_module = import_module(models_module_name)
File "/usr/lib/python3.4/importlib/__init__.py", line 109, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 2231, in _gcd_import
File "<frozen importlib._bootstrap>", line 2214, in _find_and_load
File "<frozen importlib._bootstrap>", line 2203, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 1200, in _load_unlocked
File "<frozen importlib._bootstrap>", line 1129, in _exec
File "<frozen importlib._bootstrap>", line 1448, in exec_module
File "<frozen importlib._bootstrap>", line 321, in _call_with_frames_removed
File "/usr/local/lib/python3.4/dist-packages/django/contrib/auth/models.py", line 40, in <module>
class Permission(models.Model):
File "/usr/local/lib/python3.4/dist-packages/django/db/models/base.py", line 125, in __new__
new_class.add_to_class('_meta', Options(meta, **kwargs))
File "/usr/local/lib/python3.4/dist-packages/django/db/models/base.py", line 300, in add_to_class
value.contribute_to_class(cls, name)
File "/usr/local/lib/python3.4/dist-packages/django/db/models/options.py", line 166, in contribute_to_class
self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
File "/usr/local/lib/python3.4/dist-packages/django/db/__init__.py", line 40, in __getattr__
return getattr(connections[DEFAULT_DB_ALIAS], item)
File "/usr/local/lib/python3.4/dist-packages/django/db/utils.py", line 242, in __getitem__
backend = load_backend(db['ENGINE'])
File "/usr/local/lib/python3.4/dist-packages/django/db/utils.py", line 108, in load_backend
return import_module('%s.base' % backend_name)
File "/usr/lib/python3.4/importlib/__init__.py", line 109, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 2231, in _gcd_import
File "<frozen importlib._bootstrap>", line 2214, in _find_and_load
File "<frozen importlib._bootstrap>", line 2203, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 1200, in _load_unlocked
File "<frozen importlib._bootstrap>", line 1129, in _exec
File "<frozen importlib._bootstrap>", line 1448, in exec_module
File "<frozen importlib._bootstrap>", line 321, in _call_with_frames_removed
File "/usr/local/lib/python3.4/dist-packages/django/db/backends/postgresql_psycopg2/base.py", line 27, in <module>
raise ImproperlyConfigured("Error loading psycopg2 module: %s" % e)
django.core.exceptions.ImproperlyConfigured: Error loading psycopg2 module: No module named 'psycopg2._psycopg'
Сразу ответы на вопросы:
Вы точно всё правильно установили?
Точно есть база данных?
Настройки settings.py?
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.postgresql_psycopg2',
'NAME': 'mydb',
'USER': 'postgres',
'PASSWORD': 'passwordforpostgres',
'HOST': '',
'PORT': '',
}
}
Вам следовало использовать python2.7
Спасибо, но данную проблему это не решает.
Надеюсь на вашу помощь.
Кстати говоря, если ничего не трогать, а просто начать новый проект, то всё очень даже прекрасно работает. Сдается мне дело в постгрес.
runnko@RunnkoPC:~/Web/virtualenv$ django-admin.py startproject vortex
runnko@RunnkoPC:~/Web/virtualenv$ ls
bin include lib mysite vortex
runnko@RunnkoPC:~/Web/virtualenv$ cd vortex/
runnko@RunnkoPC:~/Web/virtualenv/vortex$ ls
manage.py vortex
runnko@RunnkoPC:~/Web/virtualenv/vortex$ python manage.py syncdb
Operations to perform:
Apply all migrations: admin, contenttypes, auth, sessions
Running migrations:
Applying contenttypes.0001_initial... OK
Applying auth.0001_initial... OK
Applying admin.0001_initial... OK
Applying sessions.0001_initial... OK
You have installed Django's auth system, and don't have any superusers defined.
Superuser created successfully.
runnko@RunnkoPC:~/Web/virtualenv/vortex$ python manage.py syncdb
Operations to perform:
Apply all migrations: admin, contenttypes, auth, sessions
Running migrations:
No migrations to apply.
runnko@RunnkoPC:~/Web/virtualenv/vortex$ python manage.py runserver
Performing system checks...
System check identified no issues (0 silenced).
October 13, 2014 - 21:32:17
Django version 1.7, using settings 'vortex.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CONTROL-C.