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Title: Troubleshooting “python pg_config executable not found” Error
Introduction:
When working with Python and PostgreSQL, you may encounter the “python pg_config executable not found” error, especially when installing packages that rely on the PostgreSQL development headers. This error indicates that the Python build process cannot locate the pg_config executable, which is essential for obtaining information about the PostgreSQL installation. In this tutorial, we’ll explore the reasons behind this issue and provide step-by-step guidance on resolving it.
Understand the Problem:
The pg_config executable is a utility that comes with PostgreSQL and is crucial for building Python extensions that require PostgreSQL headers. When the Python build process cannot find pg_config, it raises the “python pg_config executable not found” error.
Install PostgreSQL:
Ensure that PostgreSQL is installed on your system. If not, download and install it from the official PostgreSQL website (
Locate pg_config:
The pg_config executable is typically installed in the bin directory of your PostgreSQL installation. Common locations include:
Update System PATH (if necessary):
Add the directory containing pg_config to your system’s PATH environment variable. This step ensures that the Python build process can locate pg_config. For example, on Linux, you can add the following line to your ~/.bashrc or ~/.bash_profile file:
Replace package_name with the actual name of the package you’re installing.
Conclusion:
By understanding the importance of the pg_config executable and following the steps outlined in this tutorial, you should be able to resolve the “python pg_config executable not found” error and successfully install Python packages that depend on PostgreSQL headers.
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