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How to Resolve ImportError: \'_ctypes\' Module Missing in Multiprocessing\'s Value Function?
Published on 2024-11-04
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Python3: ImportError: Resolving Missing '_ctypes' Module When Using Value from Multiprocessing
The issue stems from an incomplete Python installation. To resolve the "ImportError: No module named '_ctypes'" when using the Value function from the multiprocessing module, follow these steps:
1. Install libffi-dev:
This library provides the necessary headers for compiling the Python extension modules.
Debian/Ubuntu:
sudo apt-get install libffi-dev
RHEL/Fedora:
sudo yum install libffi-devel
2. Reinstall Python 3.4:
To ensure a complete and functional installation, remove any existing version of Python 3.4 and then reinstall it.
sudo apt-get remove python3.4 sudo apt-get install python3.4
Note: If your Python 3.4 installation is located in /usr/local/lib/python3.4, create a symbolic link to the system Python directory:
sudo ln -s /usr/local/lib/python3.4 /usr/lib/python3.4
After completing these steps, the '_ctypes' module will be available, and you should be able to successfully use the Value function from the multiprocessing module.
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