Why am I getting the "ImportError: dlopen(/Users/yanigisawa/.python-eggs/MySQL_python-1.2.3-py2.6-macosx-10.6-universal.egg-tmp/_mysql.so, 2): Library not loaded: libmysqlclient.16.dylib" er

Python ImportError: dlopen(/Users/yanigisawa/.python-eggs/MySQL_python-1.2.3-py2.6-macosx-10.6-universal.egg-tmp/_mysql.so, 2): Library not loaded: libmysqlclient.16.dylib

When attempting to import MySQLdb into a Python terminal on a Mac 10.6 machine, users may encounter the above error. This issue arises due to an incompatibility between MySQL 5.5.8 and Mac 10.6.

Cause of the Error

The error indicates that the dynamic library libmysqlclient.16.dylib cannot be loaded when accessing the _mysql.so module. This is likely due to missing or invalid symbolic links in the system's library paths.

Solution

To resolve this issue, create symbolic links as follows:

sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib
sudo ln -s /usr/local/mysql/lib /usr/local/mysql/lib/mysql

These links ensure that the Python module can locate the correct MySQL library files.

Additional Notes

• Verify that the MySQL client libraries are installed in /usr/local/mysql/lib.
• If the error persists, check the DYLD_LIBRARY_PATH environment variable to ensure that it includes the path to the MySQL libraries.
• Some users have reported success by upgrading to MySQL 5.7 or later, as it includes compatibility fixes for older operating systems.

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