/usr/local/lib/swipl/library/ext/swipy/janus.pl
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 py_initialize(+Program, +Argv, +Options) is det
Initialize and configure the embedded Python system. If this predicate is not called before any other call to Python such as py_call/2, it is called lazily, passing the Prolog executable as Program, passing Argv from the Prolog flag py_argv and an empty Options list.

Calling this predicate while the Python is already initialized is a no-op. This predicate is thread-safe, where the first call initializes Python.

In addition to initializing the Python system, it

  • Adds the directory holding janus.py to the Python module search path.
  • If Prolog I/O is not connected to the file handles 0,1,2, it rebinds Python I/O to use the Prolog I/O.
Arguments:
Options- is currently ignored. It will be used to provide additional configuration options.