问题描述
安装OS X Mavericks之后，在运行django的服务器时遇到了问题：
(rango_tutorial)christohersmbp2:tango_with_django_project christopherspears$ python manage.py runserver
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/core/management/__init__.py", line 399, in execute_from_command_line
utility.execute()
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/core/management/__init__.py", line 392, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/core/management/base.py", line 242, in run_from_argv
self.execute(*args, **options.__dict__)
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/core/management/base.py", line 280, in execute
translation.activate('en-us')
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/utils/translation/__init__.py", line 130, in activate
return _trans.activate(language)
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/utils/translation/trans_real.py", line 188, in activate
_active.value = translation(language)
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/utils/translation/trans_real.py", line 177, in translation
default_translation = _fetch(settings.LANGUAGE_CODE)
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/utils/translation/trans_real.py", line 159, in _fetch
app = import_module(appname)
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/utils/importlib.py", line 40, in import_module
__import__(name)
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/contrib/admin/__init__.py", line 6, in <module>
from django.contrib.admin.sites import AdminSite, site
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/contrib/admin/sites.py", line 4, in <module>
from django.contrib.admin.forms import AdminAuthenticationForm
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/contrib/admin/forms.py", line 6, in <module>
from django.contrib.auth.forms import AuthenticationForm
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/contrib/auth/forms.py", line 17, in <module>
from django.contrib.auth.models import User
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/contrib/auth/models.py", line 48, in <module>
class Permission(models.Model):
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/db/models/base.py", line 96, in __new__
new_class.add_to_class('_meta', Options(meta, **kwargs))
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/db/models/base.py", line 264, in add_to_class
value.contribute_to_class(cls, name)
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/db/models/options.py", line 124, in contribute_to_class
self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/db/__init__.py", line 34, in __getattr__
return getattr(connections[DEFAULT_DB_ALIAS], item)
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/db/utils.py", line 198, in __getitem__
backend = load_backend(db['ENGINE'])
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/db/utils.py", line 113, in load_backend
return import_module('%s.base' % backend_name)
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/utils/importlib.py", line 40, in import_module
__import__(name)
File "/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/site-packages/django/db/backends/sqlite3/base.py", line 35, in <module>
raise ImproperlyConfigured("Error loading either pysqlite2 or sqlite3 modules (tried in that order): %s" % exc)
django.core.exceptions.ImproperlyConfigured: Error loading either pysqlite2 or sqlite3 modules (tried in that order): dlopen(/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/lib-dynload/_sqlite3.so, 2): Symbol not found: _sqlite3_enable_load_extension
Referenced from: /Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/lib-dynload/_sqlite3.so
Expected in: /usr/lib/libsqlite3.dylib
in /Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/lib-dynload/_sqlite3.so
我认为问题在于sqlite3模块由于某些原因而丢失：
(rango_tutorial)christohersmbp2:tango_with_django_project christopherspears$ python
Python 2.7.5 (default, Dec 31 2013, 11:46:08)
[GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import sqlite3
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/sqlite3/__init__.py", line 24, in <module>
from dbapi2 import *
File "/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/sqlite3/dbapi2.py", line 27, in <module>
from _sqlite3 import *
ImportError: dlopen(/Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/lib-dynload/_sqlite3.so, 2): Symbol not found: _sqlite3_enable_load_extension
Referenced from: /Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/lib-dynload/_sqlite3.so
Expected in: /usr/lib/libsqlite3.dylib
in /Users/christopherspears/.virtualenvs/rango_tutorial/lib/python2.7/lib-dynload/_sqlite3.so
我不确定是什么原因造成的。 sqlite3模块通常不是Python的一部分吗？
1楼
众所周知，更新OS X会搞乱各种开发人员工具。
键入which sqlite3时，输出是什么？
其他开发者工具（例如which gcc怎么样？
如果缺少它们，则可能需要重新安装Xcode。
我知道许多用户在更新到Mavericks之后不得不重新安装XCode。
这是更多信息的链接： :
2楼
用brew卸载并重新安装python似乎可以解决早期的问题。 当然，现在，python在该虚拟环境中已损坏：
(rango_tutorial)christohersmbp2:tango_with_django_project christopherspears$ python manage.py runserver
dyld: Library not loaded: @executable_path/../.Python
Referenced from: /Users/christopherspears/.virtualenvs/rango_tutorial/bin/python
Reason: image not found
Trace/BPT trap: 5
(rango_tutorial)christohersmbp2:tango_with_django_project christopherspears$ python
dyld: Library not loaded: @executable_path/../.Python
Referenced from: /Users/christopherspears/.virtualenvs/rango_tutorial/bin/python
Reason: image not found
Trace/BPT trap: 5