--- /dev/null
+import importlib.util
+import os.path
+import sys
+import types
+import unittest
+from test.support import os_helper
+from test.support import import_helper
+from test.support.warnings_helper import check_warnings
+
+_testcapi = import_helper.import_module('_testcapi')
+NULL = None
+
+
+class ImportTests(unittest.TestCase):
+ def test_getmagicnumber(self):
+ # Test PyImport_GetMagicNumber()
+ magic = _testcapi.PyImport_GetMagicNumber()
+ self.assertEqual(magic,
+ int.from_bytes(importlib.util.MAGIC_NUMBER, 'little'))
+
+ def test_getmagictag(self):
+ # Test PyImport_GetMagicTag()
+ tag = _testcapi.PyImport_GetMagicTag()
+ self.assertEqual(tag, sys.implementation.cache_tag)
+
+ def test_getmoduledict(self):
+ # Test PyImport_GetModuleDict()
+ modules = _testcapi.PyImport_GetModuleDict()
+ self.assertIs(modules, sys.modules)
+
+ def check_import_loaded_module(self, import_module):
+ for name in ('os', 'sys', 'test', 'unittest'):
+ with self.subTest(name=name):
+ self.assertIn(name, sys.modules)
+ old_module = sys.modules[name]
+ module = import_module(name)
+ self.assertIsInstance(module, types.ModuleType)
+ self.assertIs(module, old_module)
+
+ def check_import_fresh_module(self, import_module):
+ old_modules = dict(sys.modules)
+ try:
+ for name in ('colorsys', 'math'):
+ with self.subTest(name=name):
+ sys.modules.pop(name, None)
+ module = import_module(name)
+ self.assertIsInstance(module, types.ModuleType)
+ self.assertIs(module, sys.modules[name])
+ self.assertEqual(module.__name__, name)
+ finally:
+ sys.modules.clear()
+ sys.modules.update(old_modules)
+
+ def test_getmodule(self):
+ # Test PyImport_GetModule()
+ getmodule = _testcapi.PyImport_GetModule
+ self.check_import_loaded_module(getmodule)
+
+ nonexistent = 'nonexistent'
+ self.assertNotIn(nonexistent, sys.modules)
+ self.assertIs(getmodule(nonexistent), KeyError)
+ self.assertIs(getmodule(''), KeyError)
+ self.assertIs(getmodule(object()), KeyError)
+
+ self.assertRaises(TypeError, getmodule, []) # unhashable
+ # CRASHES getmodule(NULL)
+
+ def check_addmodule(self, add_module, accept_nonstr=False):
+ # create a new module
+ names = ['nonexistent']
+ if accept_nonstr:
+ names.append(b'\xff') # non-UTF-8
+ for name in names:
+ with self.subTest(name=name):
+ self.assertNotIn(name, sys.modules)
+ try:
+ module = add_module(name)
+ self.assertIsInstance(module, types.ModuleType)
+ self.assertEqual(module.__name__, name)
+ self.assertIs(module, sys.modules[name])
+ finally:
+ sys.modules.pop(name, None)
+
+ # get an existing module
+ self.check_import_loaded_module(add_module)
+
+ def test_addmoduleobject(self):
+ # Test PyImport_AddModuleObject()
+ addmoduleobject = _testcapi.PyImport_AddModuleObject
+ self.check_addmodule(addmoduleobject, accept_nonstr=True)
+
+ self.assertRaises(TypeError, addmoduleobject, []) # unhashable
+ # CRASHES addmoduleobject(NULL)
+
+ def test_addmodule(self):
+ # Test PyImport_AddModule()
+ addmodule = _testcapi.PyImport_AddModule
+ self.check_addmodule(addmodule)
+
+ self.assertRaises(UnicodeDecodeError, addmodule, b'\xff')
+ # CRASHES addmodule(NULL)
+
+ def check_import_func(self, import_module):
+ self.check_import_loaded_module(import_module)
+ self.check_import_fresh_module(import_module)
+ self.assertRaises(ModuleNotFoundError, import_module, 'nonexistent')
+ self.assertRaises(ValueError, import_module, '')
+
+ def test_import(self):
+ # Test PyImport_Import()
+ import_ = _testcapi.PyImport_Import
+ self.check_import_func(import_)
+
+ self.assertRaises(TypeError, import_, b'os')
+ self.assertRaises(SystemError, import_, NULL)
+
+ def test_importmodule(self):
+ # Test PyImport_ImportModule()
+ importmodule = _testcapi.PyImport_ImportModule
+ self.check_import_func(importmodule)
+
+ self.assertRaises(UnicodeDecodeError, importmodule, b'\xff')
+ # CRASHES importmodule(NULL)
+
+ def test_importmodulenoblock(self):
+ # Test deprecated PyImport_ImportModuleNoBlock()
+ importmodulenoblock = _testcapi.PyImport_ImportModuleNoBlock
+ self.check_import_func(importmodulenoblock)
+
+ self.assertRaises(UnicodeDecodeError, importmodulenoblock, b'\xff')
+ # CRASHES importmodulenoblock(NULL)
+
+ def check_frozen_import(self, import_frozen_module):
+ # Importing a frozen module executes its code, so start by unloading
+ # the module to execute the code in a new (temporary) module.
+ old_zipimport = sys.modules.pop('zipimport')
+ try:
+ self.assertEqual(import_frozen_module('zipimport'), 1)
+
+ # import zipimport again
+ self.assertEqual(import_frozen_module('zipimport'), 1)
+ finally:
+ sys.modules['zipimport'] = old_zipimport
+
+ # not a frozen module
+ self.assertEqual(import_frozen_module('sys'), 0)
+ self.assertEqual(import_frozen_module('nonexistent'), 0)
+ self.assertEqual(import_frozen_module(''), 0)
+
+ def test_importfrozenmodule(self):
+ # Test PyImport_ImportFrozenModule()
+ importfrozenmodule = _testcapi.PyImport_ImportFrozenModule
+ self.check_frozen_import(importfrozenmodule)
+
+ self.assertRaises(UnicodeDecodeError, importfrozenmodule, b'\xff')
+ # CRASHES importfrozenmodule(NULL)
+
+ def test_importfrozenmoduleobject(self):
+ # Test PyImport_ImportFrozenModuleObject()
+ importfrozenmoduleobject = _testcapi.PyImport_ImportFrozenModuleObject
+ self.check_frozen_import(importfrozenmoduleobject)
+ self.assertEqual(importfrozenmoduleobject(b'zipimport'), 0)
+ self.assertEqual(importfrozenmoduleobject(NULL), 0)
+
+ def test_importmoduleex(self):
+ # Test PyImport_ImportModuleEx()
+ importmoduleex = _testcapi.PyImport_ImportModuleEx
+ self.check_import_func(lambda name: importmoduleex(name, NULL, NULL, NULL))
+
+ self.assertRaises(ModuleNotFoundError, importmoduleex, 'nonexistent', NULL, NULL, NULL)
+ self.assertRaises(ValueError, importmoduleex, '', NULL, NULL, NULL)
+ self.assertRaises(UnicodeDecodeError, importmoduleex, b'\xff', NULL, NULL, NULL)
+ # CRASHES importmoduleex(NULL, NULL, NULL, NULL)
+
+ def check_importmodulelevel(self, importmodulelevel):
+ self.check_import_func(lambda name: importmodulelevel(name, NULL, NULL, NULL, 0))
+
+ self.assertRaises(ModuleNotFoundError, importmodulelevel, 'nonexistent', NULL, NULL, NULL, 0)
+ self.assertRaises(ValueError, importmodulelevel, '', NULL, NULL, NULL, 0)
+
+ if __package__:
+ self.assertIs(importmodulelevel('test_import', globals(), NULL, NULL, 1),
+ sys.modules['test.test_capi.test_import'])
+ self.assertIs(importmodulelevel('test_capi', globals(), NULL, NULL, 2),
+ sys.modules['test.test_capi'])
+ self.assertRaises(ValueError, importmodulelevel, 'os', NULL, NULL, NULL, -1)
+ with self.assertWarns(ImportWarning):
+ self.assertRaises(KeyError, importmodulelevel, 'test_import', {}, NULL, NULL, 1)
+ self.assertRaises(TypeError, importmodulelevel, 'test_import', [], NULL, NULL, 1)
+
+ def test_importmodulelevel(self):
+ # Test PyImport_ImportModuleLevel()
+ importmodulelevel = _testcapi.PyImport_ImportModuleLevel
+ self.check_importmodulelevel(importmodulelevel)
+
+ self.assertRaises(UnicodeDecodeError, importmodulelevel, b'\xff', NULL, NULL, NULL, 0)
+ # CRASHES importmodulelevel(NULL, NULL, NULL, NULL, 0)
+
+ def test_importmodulelevelobject(self):
+ # Test PyImport_ImportModuleLevelObject()
+ importmodulelevel = _testcapi.PyImport_ImportModuleLevelObject
+ self.check_importmodulelevel(importmodulelevel)
+
+ self.assertRaises(TypeError, importmodulelevel, b'os', NULL, NULL, NULL, 0)
+ self.assertRaises(ValueError, importmodulelevel, NULL, NULL, NULL, NULL, 0)
+
+ def check_executecodemodule(self, execute_code, *args):
+ name = 'test_import_executecode'
+ try:
+ # Create a temporary module where the code will be executed
+ self.assertNotIn(name, sys.modules)
+ module = _testcapi.PyImport_AddModule(name)
+ self.assertFalse(hasattr(module, 'attr'))
+
+ # Execute the code
+ code = compile('attr = 1', '<test>', 'exec')
+ module2 = execute_code(name, code, *args)
+ self.assertIs(module2, module)
+
+ # Check the function side effects
+ self.assertEqual(module.attr, 1)
+ finally:
+ sys.modules.pop(name, None)
+ return module.__spec__.origin
+
+ def test_executecodemodule(self):
+ # Test PyImport_ExecCodeModule()
+ execcodemodule = _testcapi.PyImport_ExecCodeModule
+ self.check_executecodemodule(execcodemodule)
+
+ code = compile('attr = 1', '<test>', 'exec')
+ self.assertRaises(UnicodeDecodeError, execcodemodule, b'\xff', code)
+ # CRASHES execcodemodule(NULL, code)
+ # CRASHES execcodemodule(name, NULL)
+
+ def test_executecodemoduleex(self):
+ # Test PyImport_ExecCodeModuleEx()
+ execcodemoduleex = _testcapi.PyImport_ExecCodeModuleEx
+
+ # Test NULL path (it should not crash)
+ self.check_executecodemodule(execcodemoduleex, NULL)
+
+ # Test non-NULL path
+ pathname = b'pathname'
+ origin = self.check_executecodemodule(execcodemoduleex, pathname)
+ self.assertEqual(origin, os.path.abspath(os.fsdecode(pathname)))
+
+ pathname = os_helper.TESTFN_UNDECODABLE
+ if pathname:
+ origin = self.check_executecodemodule(execcodemoduleex, pathname)
+ self.assertEqual(origin, os.path.abspath(os.fsdecode(pathname)))
+
+ code = compile('attr = 1', '<test>', 'exec')
+ self.assertRaises(UnicodeDecodeError, execcodemoduleex, b'\xff', code, NULL)
+ # CRASHES execcodemoduleex(NULL, code, NULL)
+ # CRASHES execcodemoduleex(name, NULL, NULL)
+
+ def check_executecode_pathnames(self, execute_code_func, object=False):
+ # Test non-NULL pathname and NULL cpathname
+
+ # Test NULL paths (it should not crash)
+ self.check_executecodemodule(execute_code_func, NULL, NULL)
+
+ pathname = 'pathname'
+ origin = self.check_executecodemodule(execute_code_func, pathname, NULL)
+ self.assertEqual(origin, os.path.abspath(os.fsdecode(pathname)))
+ origin = self.check_executecodemodule(execute_code_func, NULL, pathname)
+ if not object:
+ self.assertEqual(origin, os.path.abspath(os.fsdecode(pathname)))
+
+ pathname = os_helper.TESTFN_UNDECODABLE
+ if pathname:
+ if object:
+ pathname = os.fsdecode(pathname)
+ origin = self.check_executecodemodule(execute_code_func, pathname, NULL)
+ self.assertEqual(origin, os.path.abspath(os.fsdecode(pathname)))
+ self.check_executecodemodule(execute_code_func, NULL, pathname)
+
+ # Test NULL pathname and non-NULL cpathname
+ pyc_filename = importlib.util.cache_from_source(__file__)
+ py_filename = importlib.util.source_from_cache(pyc_filename)
+ origin = self.check_executecodemodule(execute_code_func, NULL, pyc_filename)
+ if not object:
+ self.assertEqual(origin, py_filename)
+
+ def test_executecodemodulewithpathnames(self):
+ # Test PyImport_ExecCodeModuleWithPathnames()
+ execute_code_func = _testcapi.PyImport_ExecCodeModuleWithPathnames
+ self.check_executecode_pathnames(execute_code_func)
+
+ code = compile('attr = 1', '<test>', 'exec')
+ self.assertRaises(UnicodeDecodeError, execute_code_func, b'\xff', code, NULL, NULL)
+ # CRASHES execute_code_func(NULL, code, NULL, NULL)
+ # CRASHES execute_code_func(name, NULL, NULL, NULL)
+
+ def test_executecodemoduleobject(self):
+ # Test PyImport_ExecCodeModuleObject()
+ execute_code_func = _testcapi.PyImport_ExecCodeModuleObject
+ self.check_executecode_pathnames(execute_code_func, object=True)
+
+ code = compile('attr = 1', '<test>', 'exec')
+ self.assertRaises(TypeError, execute_code_func, [], code, NULL, NULL)
+ # CRASHES execute_code_func(NULL, code, NULL, NULL)
+ # CRASHES execute_code_func(name, NULL, NULL, NULL)
+
+ # TODO: test PyImport_GetImporter()
+ # TODO: test PyImport_ReloadModule()
+ # TODO: test PyImport_ExtendInittab()
+ # PyImport_AppendInittab() is tested by test_embed
+
+
+if __name__ == "__main__":
+ unittest.main()
--- /dev/null
+#define PY_SSIZE_T_CLEAN
+
+#include "parts.h"
+#include "util.h"
+
+
+/* Test PyImport_GetMagicNumber() */
+static PyObject *
+pyimport_getmagicnumber(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(args))
+{
+ long magic = PyImport_GetMagicNumber();
+ return PyLong_FromLong(magic);
+}
+
+
+/* Test PyImport_GetMagicTag() */
+static PyObject *
+pyimport_getmagictag(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(args))
+{
+ const char *tag = PyImport_GetMagicTag();
+ return PyUnicode_FromString(tag);
+}
+
+
+/* Test PyImport_GetModuleDict() */
+static PyObject *
+pyimport_getmoduledict(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(args))
+{
+ return Py_XNewRef(PyImport_GetModuleDict());
+}
+
+
+/* Test PyImport_GetModule() */
+static PyObject *
+pyimport_getmodule(PyObject *Py_UNUSED(module), PyObject *name)
+{
+ assert(!PyErr_Occurred());
+ NULLABLE(name);
+ PyObject *module = PyImport_GetModule(name);
+ if (module == NULL && !PyErr_Occurred()) {
+ return Py_NewRef(PyExc_KeyError);
+ }
+ return module;
+}
+
+
+/* Test PyImport_AddModuleObject() */
+static PyObject *
+pyimport_addmoduleobject(PyObject *Py_UNUSED(module), PyObject *name)
+{
+ NULLABLE(name);
+ return Py_XNewRef(PyImport_AddModuleObject(name));
+}
+
+
+/* Test PyImport_AddModule() */
+static PyObject *
+pyimport_addmodule(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ const char *name;
+ Py_ssize_t size;
+ if (!PyArg_ParseTuple(args, "z#", &name, &size)) {
+ return NULL;
+ }
+
+ return Py_XNewRef(PyImport_AddModule(name));
+}
+
+
+/* Test PyImport_Import() */
+static PyObject *
+pyimport_import(PyObject *Py_UNUSED(module), PyObject *name)
+{
+ NULLABLE(name);
+ return PyImport_Import(name);
+}
+
+
+/* Test PyImport_ImportModule() */
+static PyObject *
+pyimport_importmodule(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ const char *name;
+ Py_ssize_t size;
+ if (!PyArg_ParseTuple(args, "z#", &name, &size)) {
+ return NULL;
+ }
+
+ return PyImport_ImportModule(name);
+}
+
+
+/* Test PyImport_ImportModuleNoBlock() */
+static PyObject *
+pyimport_importmodulenoblock(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ const char *name;
+ Py_ssize_t size;
+ if (!PyArg_ParseTuple(args, "z#", &name, &size)) {
+ return NULL;
+ }
+
+ _Py_COMP_DIAG_PUSH
+ _Py_COMP_DIAG_IGNORE_DEPR_DECLS
+ return PyImport_ImportModuleNoBlock(name);
+ _Py_COMP_DIAG_POP
+}
+
+
+/* Test PyImport_ImportModuleEx() */
+static PyObject *
+pyimport_importmoduleex(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ const char *name;
+ Py_ssize_t size;
+ PyObject *globals, *locals, *fromlist;
+ if (!PyArg_ParseTuple(args, "z#OOO",
+ &name, &size, &globals, &locals, &fromlist)) {
+ return NULL;
+ }
+ NULLABLE(globals);
+ NULLABLE(locals);
+ NULLABLE(fromlist);
+
+ return PyImport_ImportModuleEx(name, globals, locals, fromlist);
+}
+
+
+/* Test PyImport_ImportModuleLevel() */
+static PyObject *
+pyimport_importmodulelevel(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ const char *name;
+ Py_ssize_t size;
+ PyObject *globals, *locals, *fromlist;
+ int level;
+ if (!PyArg_ParseTuple(args, "z#OOOi",
+ &name, &size, &globals, &locals, &fromlist, &level)) {
+ return NULL;
+ }
+ NULLABLE(globals);
+ NULLABLE(locals);
+ NULLABLE(fromlist);
+
+ return PyImport_ImportModuleLevel(name, globals, locals, fromlist, level);
+}
+
+
+/* Test PyImport_ImportModuleLevelObject() */
+static PyObject *
+pyimport_importmodulelevelobject(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ PyObject *name, *globals, *locals, *fromlist;
+ int level;
+ if (!PyArg_ParseTuple(args, "OOOOi",
+ &name, &globals, &locals, &fromlist, &level)) {
+ return NULL;
+ }
+ NULLABLE(name);
+ NULLABLE(globals);
+ NULLABLE(locals);
+ NULLABLE(fromlist);
+
+ return PyImport_ImportModuleLevelObject(name, globals, locals, fromlist, level);
+}
+
+
+/* Test PyImport_ImportFrozenModule() */
+static PyObject *
+pyimport_importfrozenmodule(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ const char *name;
+ Py_ssize_t size;
+ if (!PyArg_ParseTuple(args, "z#", &name, &size)) {
+ return NULL;
+ }
+
+ RETURN_INT(PyImport_ImportFrozenModule(name));
+}
+
+
+/* Test PyImport_ImportFrozenModuleObject() */
+static PyObject *
+pyimport_importfrozenmoduleobject(PyObject *Py_UNUSED(module), PyObject *name)
+{
+ NULLABLE(name);
+ RETURN_INT(PyImport_ImportFrozenModuleObject(name));
+}
+
+
+/* Test PyImport_ExecCodeModule() */
+static PyObject *
+pyimport_executecodemodule(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ const char *name;
+ Py_ssize_t size;
+ PyObject *code;
+ if (!PyArg_ParseTuple(args, "z#O", &name, &size, &code)) {
+ return NULL;
+ }
+ NULLABLE(code);
+
+ return PyImport_ExecCodeModule(name, code);
+}
+
+
+/* Test PyImport_ExecCodeModuleEx() */
+static PyObject *
+pyimport_executecodemoduleex(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ const char *name;
+ Py_ssize_t size;
+ PyObject *code;
+ const char *pathname;
+ if (!PyArg_ParseTuple(args, "z#Oz#", &name, &size, &code, &pathname, &size)) {
+ return NULL;
+ }
+ NULLABLE(code);
+
+ return PyImport_ExecCodeModuleEx(name, code, pathname);
+}
+
+
+/* Test PyImport_ExecCodeModuleWithPathnames() */
+static PyObject *
+pyimport_executecodemodulewithpathnames(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ const char *name;
+ Py_ssize_t size;
+ PyObject *code;
+ const char *pathname;
+ const char *cpathname;
+ if (!PyArg_ParseTuple(args, "z#Oz#z#", &name, &size, &code, &pathname, &size, &cpathname, &size)) {
+ return NULL;
+ }
+ NULLABLE(code);
+
+ return PyImport_ExecCodeModuleWithPathnames(name, code,
+ pathname, cpathname);
+}
+
+
+/* Test PyImport_ExecCodeModuleObject() */
+static PyObject *
+pyimport_executecodemoduleobject(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ PyObject *name, *code, *pathname, *cpathname;
+ if (!PyArg_ParseTuple(args, "OOOO", &name, &code, &pathname, &cpathname)) {
+ return NULL;
+ }
+ NULLABLE(name);
+ NULLABLE(code);
+ NULLABLE(pathname);
+ NULLABLE(cpathname);
+
+ return PyImport_ExecCodeModuleObject(name, code, pathname, cpathname);
+}
+
+
+static PyMethodDef test_methods[] = {
+ {"PyImport_GetMagicNumber", pyimport_getmagicnumber, METH_NOARGS},
+ {"PyImport_GetMagicTag", pyimport_getmagictag, METH_NOARGS},
+ {"PyImport_GetModuleDict", pyimport_getmoduledict, METH_NOARGS},
+ {"PyImport_GetModule", pyimport_getmodule, METH_O},
+ {"PyImport_AddModuleObject", pyimport_addmoduleobject, METH_O},
+ {"PyImport_AddModule", pyimport_addmodule, METH_VARARGS},
+ {"PyImport_Import", pyimport_import, METH_O},
+ {"PyImport_ImportModule", pyimport_importmodule, METH_VARARGS},
+ {"PyImport_ImportModuleNoBlock", pyimport_importmodulenoblock, METH_VARARGS},
+ {"PyImport_ImportModuleEx", pyimport_importmoduleex, METH_VARARGS},
+ {"PyImport_ImportModuleLevel", pyimport_importmodulelevel, METH_VARARGS},
+ {"PyImport_ImportModuleLevelObject", pyimport_importmodulelevelobject, METH_VARARGS},
+ {"PyImport_ImportFrozenModule", pyimport_importfrozenmodule, METH_VARARGS},
+ {"PyImport_ImportFrozenModuleObject", pyimport_importfrozenmoduleobject, METH_O},
+ {"PyImport_ExecCodeModule", pyimport_executecodemodule, METH_VARARGS},
+ {"PyImport_ExecCodeModuleEx", pyimport_executecodemoduleex, METH_VARARGS},
+ {"PyImport_ExecCodeModuleWithPathnames", pyimport_executecodemodulewithpathnames, METH_VARARGS},
+ {"PyImport_ExecCodeModuleObject", pyimport_executecodemoduleobject, METH_VARARGS},
+ {NULL},
+};
+
+
+int
+_PyTestCapi_Init_Import(PyObject *module)
+{
+ return PyModule_AddFunctions(module, test_methods);
+}
projects / thirdparty / Python / cpython.git / commitdiff
