How to Successfully Install MySQLdb on Mac OS X?

Installing MySQLdb on Mac OS X

Background:
Many users encounter difficulties installing MySQLdb on Mac OS X due to the conflicting bit versions of Python and MySQL.

Python Compatibility and MySQL Bit-Depth:
Ensure that you have installed the 32-bit version of MySQL, as Mac OS X comes pre-installed with a 32-bit Python version.

Steps to Install MySQLdb:

Step 1:
Obtain the MySQL for Python adapter from SourceForge.

Step 2:
Extract and clean the downloaded package:

tar xzvf MySQL-python-1.2.2.tar.gz
sudo python setup.py clean

Additional Steps:

• Remove the contents of MySQL-python-1.2.2/build/* and the egg in Users/$USER/.python-eggs.
• Skip editing _mysql.c, as the MySQLdb community has resolved this issue.

• Create a symbolic link in lib to the mysql subdirectory:

  sudo ln -s /usr/local/mysql/lib /usr/local/mysql/lib/mysql

  Copy after login

Step 3:
Edit setup_posix.py and update the mysql_config path:

mysql_config.path = "mysql_config"

to

mysql_config.path = "/usr/local/mysql/bin/mysql_config"

Step 4:
Rebuild the package (ignore warnings):

sudo python setup.py build

Step 5:
Install the package:

sudo python setup.py install

Step 6:
Verify installation:

python
import MySQLdb

Step 7:
Create a symbolic link to libmysqlclient.18.dylib if necessary:

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

Step 8:
Start Python from outside of the build directory to avoid error messages.

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