运行环境:Cent OS6.5,Python3.4.3,Django1.8.3
执行如下命令时报错:
python manage.py runserver
错误信息如下:
Traceback (most recent call last):
File "/usr/local/python3/lib/python3.4/site-packages/django/db/backends/sqlite3/base.py", line 31, in <module>
from pysqlite2 import dbapi2 as Database
ImportError: No module named 'pysqlite2'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/python3/lib/python3.4/site-packages/django/db/backends/sqlite3/base.py", line 33, in <module>
from sqlite3 import dbapi2 as Database
File "/usr/local/python3/lib/python3.4/sqlite3/__init__.py", line 23, in <module>
from dbapi2 import *
ImportError: No module named 'dbapi2'
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/python3/lib/python3.4/site-packages/django/core/management/__init__.py", line 338, in execute_from_command_line
utility.execute()
File "/usr/local/python3/lib/python3.4/site-packages/django/core/management/__init__.py", line 312, in execute
django.setup()
File "/usr/local/python3/lib/python3.4/site-packages/django/__init__.py", line 18, in setup
apps.populate(settings.INSTALLED_APPS)
File "/usr/local/python3/lib/python3.4/site-packages/django/apps/registry.py", line 108, in populate
app_config.import_models(all_models)
File "/usr/local/python3/lib/python3.4/site-packages/django/apps/config.py", line 198, in import_models
self.models_module = import_module(models_module_name)
File "/usr/local/python3/lib/python3.4/importlib/__init__.py", line 109, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 2254, in _gcd_import
File "<frozen importlib._bootstrap>", line 2237, in _find_and_load
File "<frozen importlib._bootstrap>", line 2226, 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 1471, in exec_module
File "<frozen importlib._bootstrap>", line 321, in _call_with_frames_removed
File "/usr/local/python3/lib/python3.4/site-packages/django/contrib/auth/models.py", line 41, in <module>
class Permission(models.Model):
File "/usr/local/python3/lib/python3.4/site-packages/django/db/models/base.py", line 139, in __new__
new_class.add_to_class('_meta', Options(meta, **kwargs))
File "/usr/local/python3/lib/python3.4/site-packages/django/db/models/base.py", line 324, in add_to_class
value.contribute_to_class(cls, name)
File "/usr/local/python3/lib/python3.4/site-packages/django/db/models/options.py", line 250, in contribute_to_class
self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
File "/usr/local/python3/lib/python3.4/site-packages/django/db/__init__.py", line 36, in __getattr__
return getattr(connections[DEFAULT_DB_ALIAS], item)
File "/usr/local/python3/lib/python3.4/site-packages/django/db/utils.py", line 240, in __getitem__
backend = load_backend(db['ENGINE'])
File "/usr/local/python3/lib/python3.4/site-packages/django/db/utils.py", line 111, in load_backend
return import_module('%s.base' % backend_name)
File "/usr/local/python3/lib/python3.4/importlib/__init__.py", line 109, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 2254, in _gcd_import
File "<frozen importlib._bootstrap>", line 2237, in _find_and_load
File "<frozen importlib._bootstrap>", line 2226, 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 1471, in exec_module
File "<frozen importlib._bootstrap>", line 321, in _call_with_frames_removed
File "/usr/local/python3/lib/python3.4/site-packages/django/db/backends/sqlite3/base.py", line 36, 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): No module named 'dbapi2'
解决:
1.安装sqlite-devel
yum install sqlite-devel
此时又出现错误信息:
File "/usr/bin/yum", line 30
except KeyboardInterrupt, e:
^
SyntaxError: invalid syntax
由于python3和python2语法规则不同导致,修改/usr/bin/yum第一行:
#!/usr/bin/python_old
然后就可以安装sqlite-devel了。
2.重新编译安装python:
./configure --prefix=/usr/local/python-3.4.3
make
make install
再次运行django,问题解决。