我明明已经安装了mysqlclient，为什么还报错啊

Question

(python36) root@iZwz9at7nu2rprqr8qtn2oZ:~/webapp/backend# pip list
Package        Version    
-------------- -----------
certifi        2016.2.28  
Django         2.2        
django-crontab 0.7.1      
mysqlclient    1.4.2.post1
pip            19.1.1     
pycrypto       2.6.1      
pytz           2019.1     
requests       2.14.2     
setuptools     36.4.0     
sqlparse       0.3.0      
ujson          1.35       
wheel          0.29.0     
(python36) root@iZwz9at7nu2rprqr8qtn2oZ:~/webapp/backend# python manage.py inspectdb
Traceback (most recent call last):
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/db/backends/mysql/base.py", line 15, in <module>
    import MySQLdb as Database
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/MySQLdb/__init__.py", line 18, in <module>
    from . import _mysql
ImportError: /root/anaconda3/envs/python36/lib/python3.6/site-packages/MySQLdb/_mysql.cpython-36m-x86_64-linux-gnu.so: undefined symbol: _ZTVN10__cxxabiv117__class_type_infoE

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "manage.py", line 15, in <module>
    execute_from_command_line(sys.argv)
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
    utility.execute()
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/core/management/__init__.py", line 357, in execute
    django.setup()
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/__init__.py", line 24, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/apps/registry.py", line 114, in populate
    app_config.import_models()
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/apps/config.py", line 211, in import_models
    self.models_module = import_module(models_module_name)
  File "/root/anaconda3/envs/python36/lib/python3.6/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 678, in exec_module
  File "<frozen importlib._bootstrap>", line 205, in _call_with_frames_removed
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/contrib/auth/models.py", line 2, in <module>
    from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/contrib/auth/base_user.py", line 47, in <module>
    class AbstractBaseUser(models.Model):
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/db/models/base.py", line 117, in __new__
    new_class.add_to_class('_meta', Options(meta, app_label))
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/db/models/base.py", line 321, in add_to_class
    value.contribute_to_class(cls, name)
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/db/models/options.py", line 204, in contribute_to_class
    self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/db/__init__.py", line 28, in __getattr__
    return getattr(connections[DEFAULT_DB_ALIAS], item)
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/db/utils.py", line 201, in __getitem__
    backend = load_backend(db['ENGINE'])
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/db/utils.py", line 110, in load_backend
    return import_module('%s.base' % backend_name)
  File "/root/anaconda3/envs/python36/lib/python3.6/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "/root/anaconda3/envs/python36/lib/python3.6/site-packages/django/db/backends/mysql/base.py", line 20, in <module>
    ) from err
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module.
Did you install mysqlclient?
(python36) root@iZwz9at7nu2rprqr8qtn2oZ:~/webapp/backend#

Answer 1

提问者 x3x 2019-05-31 10:06:33

(python36) root@iZwz9at7nu2rprqr8qtn2oZ:~/webapp# conda install mysqlclient
Fetching package metadata .........

PackageNotFoundError: Package missing in current linux-64 channels: 
  - mysqlclient

Close matches found; did you mean one of these?

    mysqlclient: hs2client

Answer 2

咚咚呛 2019-05-31 09:52:31

mysqlclient低层依赖一些C库，你这里报的原因是编译的C库有问题，应该是没有正确安装，可尝试卸载重新安装。

• 提问者 x3x #1

  怎么安装呢？

• 咚咚呛 回复 提问者 x3x #2

  conda环境使用conda uninstall xxx卸载然后conda install xxx安装即可。你也可以百度搜索一下相关内容，不懂的时候多搜索了解。

• 提问者 x3x #3

  (python36) root@iZwz9at7nu2rprqr8qtn2oZ:~/webapp# conda install mysqlclient
  Fetching package metadata .........
  
  PackageNotFoundError: Package missing in current linux-64 channels: 
    - mysqlclient
  
  Close matches found; did you mean one of these?
  
      mysqlclient: hs2client
  
  (python36) root@iZwz9at7nu2rprqr8qtn2oZ:~/webapp# 
  这怎么做呢？