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use importlib to load C extension modules for python 2.7 and newer

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This commit is contained in:
Mike Romberg 2016-01-29 18:38:30 -07:00
commit 23d2eb555f
1 changed files with 10 additions and 1 deletions
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11
Source/Modules/python.cxx
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@ -827,7 +827,16 @@ public:
* isn't available in python 2.4 or earlier, so we have to write some
* code conditional on the python version.
*/
Printv(f_shadow, "if version_info >= (2, 6, 0):\n", NULL);
Printv(f_shadow, "if version_info >= (2, 7, 0):\n", NULL);
Printv(f_shadow, tab4, "def swig_import_helper():\n", NULL);
Printv(f_shadow, tab8, "import importlib\n", NULL);
Printv(f_shadow, tab8, "pkg = __name__.rpartition('.')[0]\n", NULL);
Printf(f_shadow, tab8 "mname = '.'.join((pkg, '%s')).lstrip('.')\n",
module);
Printv(f_shadow, tab8, "return importlib.import_module(mname)\n", NULL);
Printf(f_shadow, tab4 "%s = swig_import_helper()\n", module);
Printv(f_shadow, tab4, "del swig_import_helper\n", NULL);
Printv(f_shadow, "elif version_info >= (2, 6, 0):\n", NULL);
Printv(f_shadow, tab4, "def swig_import_helper():\n", NULL);
Printv(f_shadow, tab8, "from os.path import dirname\n", NULL);
Printv(f_shadow, tab8, "import imp\n", NULL);