Environment Variables

PYTHONPATH

Augments the default search path for module files. The format is the same as the shell’s $PATH: directory path names separated by colons (or semicolons).

PYTHONSTARTUP

If set to the name of a readable file, the Python commands in that file are executed before the first prompt is displayed in interactive mode.

PYTHONHOME

Alternate prefix directory for library modules (or sys.prefix/ exec_prefix). The default module search path uses sys.prefix/lib.

PYTHONDEBUG

If non-empty, same as -d option.

PYTHONINSPECT

If non-empty, same as -i option.

PYTHONSUPPRESS

If non-empty, same as -s option.

PYTHONUNBUFFERED

If non-empty, same as -u option.

PYTHONVERBOSE

If non-empty, same as -v option.

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