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Update documentation for initialize_interpreter (#1584)

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Add a detailed link to Python 3 documentation.  Add a caveat about
the program terminating if initializing the interpreter fails.
This commit is contained in:
Josh Kelley 2018-10-31 21:10:11 -04:00 committed by Wenzel Jakob
parent 06d021b6e4
commit 741576dd11
1 changed files with 7 additions and 1 deletions
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8
include/pybind11/embed.h
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@ -90,8 +90,14 @@ NAMESPACE_END(detail)
Initialize the Python interpreter. No other pybind11 or CPython API functions can be Initialize the Python interpreter. No other pybind11 or CPython API functions can be
called before this is done; with the exception of `PYBIND11_EMBEDDED_MODULE`. The called before this is done; with the exception of `PYBIND11_EMBEDDED_MODULE`. The
optional parameter can be used to skip the registration of signal handlers (see the optional parameter can be used to skip the registration of signal handlers (see the
Python documentation for details). Calling this function again after the interpreter `Python documentation`_ for details). Calling this function again after the interpreter
has already been initialized is a fatal error. has already been initialized is a fatal error.
If initializing the Python interpreter fails, then the program is terminated. (This
is controlled by the CPython runtime and is an exception to pybind11's normal behavior
of throwing exceptions on errors.)
.. _Python documentation: https://docs.python.org/3/c-api/init.html#c.Py_InitializeEx
\endrst */ \endrst */
inline void initialize_interpreter(bool init_signal_handlers = true) { inline void initialize_interpreter(bool init_signal_handlers = true) {
if (Py_IsInitialized()) if (Py_IsInitialized())