static int
Python_Init(void)
{
if (!initialised)
{
#ifdef DYNAMIC_PYTHON
if (!python_enabled(TRUE))
{
EMSG(_("E263: Sorry, this command is disabled, the Python library could not be loaded."));
goto fail;
}
#endif
#ifdef PYTHON_HOME
Py_SetPythonHome(PYTHON_HOME);
#endif
init_structs();
#if !defined(MACOS) || defined(MACOS_X_UNIX)
Py_Initialize();
#else
PyMac_Initialize();
#endif
/* initialise threads */
PyEval_InitThreads();
#ifdef DYNAMIC_PYTHON
get_exceptions();
#endif
if (PythonIO_Init())
goto fail;
if (PythonMod_Init())
goto fail;
/* Remove the element from sys.path that was added because of our
* argv[0] value in PythonMod_Init(). Previously we used an empty
* string, but dependinding on the OS we then get an empty entry or
* the current directory in sys.path. */
PyRun_SimpleString("import sys; sys.path = filter(lambda x: x != '/must>not&exist', sys.path)");
/* the first python thread is vim's, release the lock */
Python_SaveThread();
initialised = 1;
}
return 0;
fail:
/* We call PythonIO_Flush() here to print any Python errors.
* This is OK, as it is possible to call this function even
* if PythonIO_Init() has not completed successfully (it will
* not do anything in this case).
*/
PythonIO_Flush();
return -1;
}
static int
Python_Init(void)
{
if (!initialised)
{
#if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000
PyObject *site;
#endif
#ifdef DYNAMIC_PYTHON
if (!python_enabled(TRUE))
{
EMSG(_("E263: Sorry, this command is disabled, the Python library could not be loaded."));
goto fail;
}
#endif
#ifdef PYTHON_HOME
# ifdef DYNAMIC_PYTHON
if (mch_getenv((char_u *)"PYTHONHOME") == NULL)
# endif
Py_SetPythonHome(PYTHON_HOME);
#endif
init_structs();
#if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000
/* Disable implicit 'import site', because it may cause Vim to exit
* when it can't be found. */
Py_NoSiteFlag++;
#endif
#if !defined(MACOS) || defined(MACOS_X_UNIX)
Py_Initialize();
#else
PyMac_Initialize();
#endif
#if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000
/* 'import site' explicitly. */
site = PyImport_ImportModule("site");
if (site == NULL)
{
EMSG(_("E887: Sorry, this command is disabled, the Python's site module could not be loaded."));
goto fail;
}
Py_DECREF(site);
#endif
/* Initialise threads, and below save the state using
* PyEval_SaveThread. Without the call to PyEval_SaveThread, thread
* specific state (such as the system trace hook), will be lost
* between invocations of Python code. */
PyEval_InitThreads();
#ifdef DYNAMIC_PYTHON
get_exceptions();
#endif
if (PythonIO_Init_io())
goto fail;
if (PythonMod_Init())
goto fail;
globals = PyModule_GetDict(PyImport_AddModule("__main__"));
/* Remove the element from sys.path that was added because of our
* argv[0] value in PythonMod_Init(). Previously we used an empty
* string, but depending on the OS we then get an empty entry or
* the current directory in sys.path. */
PyRun_SimpleString("import sys; sys.path = filter(lambda x: x != '/must>not&exist', sys.path)");
/* lock is created and acquired in PyEval_InitThreads() and thread
* state is created in Py_Initialize()
* there _PyGILState_NoteThreadState() also sets gilcounter to 1
* (python must have threads enabled!)
* so the following does both: unlock GIL and save thread state in TLS
* without deleting thread state
*/
#ifndef PY_CAN_RECURSE
saved_python_thread =
#endif
PyEval_SaveThread();
initialised = 1;
}
return 0;
fail:
/* We call PythonIO_Flush() here to print any Python errors.
* This is OK, as it is possible to call this function even
* if PythonIO_Init_io() has not completed successfully (it will
* not do anything in this case).
*/
PythonIO_Flush();
return -1;
}
