Why am I getting an \"no suitable image found\" error when importing MySQLdb on Mac OS X Lion?

mysql-python Installation Problems on Mac OS X Lion

Despite successfully installing MySQL 5.5, Python 2.7, and mysql-python 1.2.3, you may encounter an "no suitable image found" error when attempting to import MySQLdb. This suggests that a crucial element is missing.

Possible Missing Elements:

• Incorrect Architecture: Ensure that all installed software is of the same architecture (x86_64). The error message indicates a mismatch between the requested architecture (x86_64) and the available library (_mysql.so).
• Missing Environment Variable: The DYLD_LIBRARY_PATH environment variable specifies where the linker searches for dynamic libraries. Confirm that the path to the MySQL library (/usr/local/mysql/lib) is included in this variable.

Troubleshooting Solutions:

1. Overriding the Environment:

• In a shell, execute the following command to set the DYLD_LIBRARY_PATH:

export DYLD_LIBRARY_PATH=/usr/local/mysql/lib/

• Attempt to import MySQLdb in Python. If successful, add the command permanently to your shell profile.

2. Using Homebrew:

• Install homebrew, a package manager for Mac.
• Install Python, MySQL, and mysql-python using homebrew:

brew install python
brew install mysql
/usr/local/share/python/easy_install mysql-python

• Add /usr/local/bin and /usr/local/share/python to your PATH to ensure proper functionality.

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