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v0.5.1
https://github.com/python/cpython
Revision ae26cce9a3a4c659409583b3115f1c29050b1685 authored by Georg Brandl on 26 November 2010, 18:29:10 UTC, committed by Georg Brandl on 26 November 2010, 18:29:10 UTC
svn+ssh://svn.python.org/python/branches/py3k ........ r86795 | georg.brandl | 2010-11-26 12:55:48 +0100 (Fr, 26 Nov 2010) | 1 line Use PyLong_FromLong where appropriate. ........ r86798 | georg.brandl | 2010-11-26 13:05:48 +0100 (Fr, 26 Nov 2010) | 1 line #10420: fix docs of bdb.effective(). ........ r86799 | georg.brandl | 2010-11-26 13:08:19 +0100 (Fr, 26 Nov 2010) | 1 line Remove parenthetical remark that is confusing now that the module is not named "__builtin__" anymore. ........ r86801 | georg.brandl | 2010-11-26 13:12:14 +0100 (Fr, 26 Nov 2010) | 1 line Better example for os.system(): do not change the system time. ........
1 parent 6773331
Tip revision: ae26cce9a3a4c659409583b3115f1c29050b1685 authored by Georg Brandl on 26 November 2010, 18:29:10 UTC
Recorded merge of revisions 86795,86798-86799,86801 via svnmerge from
Recorded merge of revisions 86795,86798-86799,86801 via svnmerge from
Tip revision: ae26cce
importdl.c
/* Support for dynamic loading of extension modules */
#include "Python.h"
/* ./configure sets HAVE_DYNAMIC_LOADING if dynamic loading of modules is
supported on this platform. configure will then compile and link in one
of the dynload_*.c files, as appropriate. We will call a function in
those modules to get a function pointer to the module's init function.
*/
#ifdef HAVE_DYNAMIC_LOADING
#include "importdl.h"
extern dl_funcptr _PyImport_GetDynLoadFunc(const char *name,
const char *shortname,
const char *pathname, FILE *fp);
PyObject *
_PyImport_LoadDynamicModule(char *name, char *pathname, FILE *fp)
{
PyObject *m;
PyObject *path;
char *lastdot, *shortname, *packagecontext, *oldcontext;
dl_funcptr p0;
PyObject* (*p)(void);
struct PyModuleDef *def;
if ((m = _PyImport_FindExtension(name, pathname)) != NULL) {
Py_INCREF(m);
return m;
}
lastdot = strrchr(name, '.');
if (lastdot == NULL) {
packagecontext = NULL;
shortname = name;
}
else {
packagecontext = name;
shortname = lastdot+1;
}
p0 = _PyImport_GetDynLoadFunc(name, shortname, pathname, fp);
p = (PyObject*(*)(void))p0;
if (PyErr_Occurred())
return NULL;
if (p == NULL) {
PyErr_Format(PyExc_ImportError,
"dynamic module does not define init function (PyInit_%.200s)",
shortname);
return NULL;
}
oldcontext = _Py_PackageContext;
_Py_PackageContext = packagecontext;
m = (*p)();
_Py_PackageContext = oldcontext;
if (m == NULL)
return NULL;
if (PyErr_Occurred()) {
Py_DECREF(m);
PyErr_Format(PyExc_SystemError,
"initialization of %s raised unreported exception",
shortname);
return NULL;
}
/* Remember pointer to module init function. */
def = PyModule_GetDef(m);
def->m_base.m_init = p;
/* Remember the filename as the __file__ attribute */
path = PyUnicode_DecodeFSDefault(pathname);
if (PyModule_AddObject(m, "__file__", path) < 0)
PyErr_Clear(); /* Not important enough to report */
if (_PyImport_FixupExtension(m, name, pathname) < 0)
return NULL;
if (Py_VerboseFlag)
PySys_WriteStderr(
"import %s # dynamically loaded from %s\n",
name, pathname);
return m;
}
#endif /* HAVE_DYNAMIC_LOADING */
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