Home » Newcomers » Newcomers » Macos M1 mysqlclient Symbol not found: _mysql_affected_rows ERROR(Macos M1 mysqlclient Symbol not found: _mysql_affected_rows ERROR)
| Macos M1 mysqlclient Symbol not found: _mysql_affected_rows ERROR [message #1857427] |
Tue, 07 February 2023 08:49 |
 小 胡
Messages: 1
Registered: February 2023 |
Junior Member |
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Hello
mysql: 5.7
python: 3.9.13
pycharm: PyCharm 2022.3.2 (Community Edition)
mysqlclient: 2.1.1
Mac OS version: 13.2 M1
The command `/virtualenvs/antd-admin/bin/python3 /programs/py_ioemps/projects/iantd/manage.py runserver 0.0.0.0:8001 ` is executed normally at the terminal provided by the system
```
Performing system checks...
System check identified no issues (0 silenced).
February 06, 2023 - 15:35:23
Django version 4.1.6, using settings 'settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CONTROL-C.
```
The execution results on the terminal of pycharm are as follows
```
/virtualenvs/antd-admin/bin/python3 /programs/py_ioemps/projects/iantd/manage.py runserver 0.0.0.0:8001
Exception in thread django-main-thread:
Traceback (most recent call last):
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/MySQLdb/__init__.py", line 18, in <module>
from . import _mysql
ImportError: dlopen(/virtualenvs/antd-admin/lib/python3.9/site-packages/MySQLdb/_mysql.cpython-39-darwin.so, 0x0002): symbol not found in flat namespace '_mysql_affected_rows'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/threading.py", line 980, in _bootstrap_inner
self.run()
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/threading.py", line 917, in run
self._target(*self._args, **self._kwargs)
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/utils/autoreload.py", line 64, in wrapper
fn(*args, **kwargs)
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/core/management/commands/runserver.py", line 125, in inner_run
autoreload.raise_last_exception()
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/utils/autoreload.py", line 87, in raise_last_exception
raise _exception[1]
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/core/management/__init__.py", line 398, in execute
autoreload.check_errors(django.setup)()
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/utils/autoreload.py", line 64, in wrapper
fn(*args, **kwargs)
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/__init__.py", line 24, in setup
apps.populate(settings.INSTALLED_APPS)
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/apps/registry.py", line 116, in populate
app_config.import_models()
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/apps/config.py", line 269, in import_models
self.models_module = import_module(models_module_name)
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 850, in exec_module
File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/contrib/auth/models.py", line 3, in <module>
from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/contrib/auth/base_user.py", line 49, in <module>
class AbstractBaseUser(models.Model):
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/db/models/base.py", line 141, in __new__
new_class.add_to_class("_meta", Options(meta, app_label))
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/db/models/base.py", line 369, in add_to_class
value.contribute_to_class(cls, name)
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/db/models/options.py", line 231, in contribute_to_class
self.db_table, connection.ops.max_name_length()
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/utils/connection.py", line 15, in __getattr__
return getattr(self._connections[self._alias], item)
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/utils/connection.py", line 62, in __getitem__
conn = self.create_connection(alias)
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/db/utils.py", line 193, in create_connection
backend = load_backend(db["ENGINE"])
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/db/utils.py", line 113, in load_backend
return import_module("%s.base" % backend_name)
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/django/db/backends/mysql/base.py", line 15, in <module>
import MySQLdb as Database
File "/virtualenvs/antd-admin/lib/python3.9/site-packages/MySQLdb/__init__.py", line 24, in <module>
version_info, _mysql.version_info, _mysql.__file__
NameError: name '_mysql' is not defined
```
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