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fix for new split module test cases.

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This commit is contained in:
Mike Romberg 2016-06-02 23:56:15 -06:00
commit 1495313e53
1 changed files with 40 additions and 12 deletions
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52
Source/Modules/python.cxx
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@ -827,6 +827,14 @@ public:
* in 2.6, and fail in 2.7 onwards), but the relative import syntax
* isn't available in python 2.4 or earlier, so we have to write some
* code conditional on the python version.
*
* For python 2.7.0 and newer, first determine the shadow wrappers package
* based on the __name__ it was given by the importer that loaded it.
* Then construct a name for the module based on the package name and the
* module name (we know the module name). Use importlib to try and load
* it. If an attempt to load the module with importlib fails with an
* ImportError then fallback and try and load just the module name from
* the global namespace.
*/
Printv(f_shadow, "if version_info >= (2, 7, 0):\n", NULL);
Printv(f_shadow, tab4, "def swig_import_helper():\n", NULL);
@ -834,7 +842,12 @@ public:
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);
Printv(f_shadow, tab8, "try:\n", NULL);
Printv(f_shadow, tab8, tab4, "return importlib.import_module(mname)\n",
NULL);
Printv(f_shadow, tab8, "except ImportError:\n", NULL);
Printf(f_shadow, tab8 tab4 "return importlib.import_module('%s')\n",
module);
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);
@ -859,21 +872,36 @@ public:
Printv(f_shadow, "else:\n", NULL);
Printf(f_shadow, tab4 "import %s\n", module);
if (builtin) {
/*
* Pull in all the attributes from the C module.
*
* An alternative approach to doing this if/else chain was
* proposed by Michael Thon. Someone braver than I may try it out.
* I fear some current swig user may depend on some side effect
* of from _foo import *
*
* for attr in _foo.__all__:
* globals()[attr] = getattr(_foo, attr)
*
*/
Printf(f_shadow, "# pull in all the attributes from %s\n", module);
Printv(f_shadow, "if __name__.rpartition('.')[0] != '':\n", NULL);
Printv(f_shadow, tab4, "if version_info >= (2, 7, 0):\n", NULL);
Printv(f_shadow, tab8, "try:\n", NULL);
Printf(f_shadow, tab8 tab4 "from .%s import *\n", module);
Printv(f_shadow, tab8 "except ImportError:\n", NULL);
Printf(f_shadow, tab8 tab4 "from %s import *\n", module);
Printv(f_shadow, tab4, "else:\n", NULL);
Printf(f_shadow, tab8 "from %s import *\n", module);
Printv(f_shadow, "else:\n", NULL);
Printf(f_shadow, tab4 "from %s import *\n", module);
}
/* Delete the version_info symbol since we don't use it elsewhere in the
* module. */
Printv(f_shadow, "del version_info\n", NULL);
if (builtin) {
/*
* Python3 removes relative imports. So 'from _foo import *'
* will only work for non-package modules.
*/
Printv(f_shadow, "if __name__.rpartition('.')[0] != '':\n", NULL);
Printf(f_shadow, tab4 "from %s%s import *\n", (py3 ? "." : ""),
module);
Printv(f_shadow, "else:\n", NULL);
Printf(f_shadow, tab4 "from %s import *\n", module);
}
if (modern || !classic) {
Printv(f_shadow, "try:\n", tab4, "_swig_property = property\n", "except NameError:\n", tab4, "pass # Python < 2.2 doesn't have 'property'.\n\n", NULL);
}