Why does the Python import of sqlite3 fail with a \"No module named _sqlite3\" error?

No module named _sqlite3

This error message is encountered when attempting to import the sqlite3 module, but it is not present in the Python installation. There are two primary causes for this issue:

1. Missing Dev Headers:
   The necessary SQLite development headers are typically packaged in a "-devel" package (e.g., sqlite-devel or libsqlite3-dev for Debian-based systems). Installing this package will resolve the issue.
2. Inadequate Makefile Configuration:
   During the Python compilation process, the Makefile must be configured to include the path to the SQLite header files. This is typically achieved using the --enable-loadable-sqlite-extensions option. After reconfiguring the Makefile, rebuild Python using make and then install it with sudo make install (or sudo make altinstall to install Python alongside the existing version).

In the specific case described in the original post, the problem is most likely due to a missing dev header package on the Debian 5 system. Installing the sqlite-devel package should resolve the issue.

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